From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 js/src/tests/test262/built-ins/Math/E/browser.js   |  0
 js/src/tests/test262/built-ins/Math/E/prop-desc.js | 18 ++++++
 js/src/tests/test262/built-ins/Math/E/shell.js     |  0
 js/src/tests/test262/built-ins/Math/E/value.js     | 16 +++++
 .../tests/test262/built-ins/Math/LN10/browser.js   |  0
 .../tests/test262/built-ins/Math/LN10/prop-desc.js | 18 ++++++
 js/src/tests/test262/built-ins/Math/LN10/shell.js  |  0
 js/src/tests/test262/built-ins/Math/LN10/value.js  | 16 +++++
 js/src/tests/test262/built-ins/Math/LN2/browser.js |  0
 .../tests/test262/built-ins/Math/LN2/prop-desc.js  | 18 ++++++
 js/src/tests/test262/built-ins/Math/LN2/shell.js   |  0
 js/src/tests/test262/built-ins/Math/LN2/value.js   | 16 +++++
 .../tests/test262/built-ins/Math/LOG10E/browser.js |  0
 .../test262/built-ins/Math/LOG10E/prop-desc.js     | 18 ++++++
 .../tests/test262/built-ins/Math/LOG10E/shell.js   |  0
 .../tests/test262/built-ins/Math/LOG10E/value.js   | 16 +++++
 .../tests/test262/built-ins/Math/LOG2E/browser.js  |  0
 .../test262/built-ins/Math/LOG2E/prop-desc.js      | 18 ++++++
 js/src/tests/test262/built-ins/Math/LOG2E/shell.js |  0
 js/src/tests/test262/built-ins/Math/LOG2E/value.js | 16 +++++
 js/src/tests/test262/built-ins/Math/PI/browser.js  |  0
 .../tests/test262/built-ins/Math/PI/prop-desc.js   | 18 ++++++
 js/src/tests/test262/built-ins/Math/PI/shell.js    |  0
 js/src/tests/test262/built-ins/Math/PI/value.js    | 16 +++++
 .../test262/built-ins/Math/SQRT1_2/browser.js      |  0
 .../test262/built-ins/Math/SQRT1_2/prop-desc.js    | 18 ++++++
 .../tests/test262/built-ins/Math/SQRT1_2/shell.js  |  0
 .../tests/test262/built-ins/Math/SQRT1_2/value.js  | 16 +++++
 .../tests/test262/built-ins/Math/SQRT2/browser.js  |  0
 .../test262/built-ins/Math/SQRT2/prop-desc.js      | 18 ++++++
 js/src/tests/test262/built-ins/Math/SQRT2/shell.js |  0
 js/src/tests/test262/built-ins/Math/SQRT2/value.js | 16 +++++
 .../test262/built-ins/Math/Symbol.toStringTag.js   | 23 ++++++++
 .../test262/built-ins/Math/abs/S15.8.2.1_A1.js     | 12 ++++
 .../test262/built-ins/Math/abs/S15.8.2.1_A2.js     | 12 ++++
 .../test262/built-ins/Math/abs/S15.8.2.1_A3.js     | 14 +++++
 .../test262/built-ins/Math/abs/absolute-value.js   | 24 ++++++++
 js/src/tests/test262/built-ins/Math/abs/browser.js |  0
 js/src/tests/test262/built-ins/Math/abs/length.js  | 31 ++++++++++
 js/src/tests/test262/built-ins/Math/abs/name.js    | 28 +++++++++
 .../built-ins/Math/abs/not-a-constructor.js        | 31 ++++++++++
 .../tests/test262/built-ins/Math/abs/prop-desc.js  | 18 ++++++
 js/src/tests/test262/built-ins/Math/abs/shell.js   | 24 ++++++++
 .../test262/built-ins/Math/acos/S15.8.2.2_A1.js    | 12 ++++
 .../test262/built-ins/Math/acos/S15.8.2.2_A2.js    | 14 +++++
 .../test262/built-ins/Math/acos/S15.8.2.2_A3.js    | 14 +++++
 .../test262/built-ins/Math/acos/S15.8.2.2_A4.js    | 12 ++++
 .../tests/test262/built-ins/Math/acos/browser.js   |  0
 js/src/tests/test262/built-ins/Math/acos/length.js | 31 ++++++++++
 js/src/tests/test262/built-ins/Math/acos/name.js   | 28 +++++++++
 .../built-ins/Math/acos/not-a-constructor.js       | 31 ++++++++++
 .../tests/test262/built-ins/Math/acos/prop-desc.js | 18 ++++++
 js/src/tests/test262/built-ins/Math/acos/shell.js  | 24 ++++++++
 .../built-ins/Math/acosh/arg-is-infinity.js        | 16 +++++
 .../test262/built-ins/Math/acosh/arg-is-one.js     | 15 +++++
 .../tests/test262/built-ins/Math/acosh/browser.js  |  0
 .../tests/test262/built-ins/Math/acosh/length.js   | 27 +++++++++
 js/src/tests/test262/built-ins/Math/acosh/name.js  | 28 +++++++++
 .../test262/built-ins/Math/acosh/nan-returns.js    | 20 +++++++
 .../built-ins/Math/acosh/not-a-constructor.js      | 31 ++++++++++
 .../test262/built-ins/Math/acosh/prop-desc.js      | 14 +++++
 js/src/tests/test262/built-ins/Math/acosh/shell.js | 24 ++++++++
 .../test262/built-ins/Math/asin/S15.8.2.3_A1.js    | 12 ++++
 .../test262/built-ins/Math/asin/S15.8.2.3_A2.js    | 14 +++++
 .../test262/built-ins/Math/asin/S15.8.2.3_A3.js    | 14 +++++
 .../test262/built-ins/Math/asin/S15.8.2.3_A4.js    | 12 ++++
 .../test262/built-ins/Math/asin/S15.8.2.3_A5.js    | 12 ++++
 .../tests/test262/built-ins/Math/asin/browser.js   |  0
 js/src/tests/test262/built-ins/Math/asin/length.js | 31 ++++++++++
 js/src/tests/test262/built-ins/Math/asin/name.js   | 28 +++++++++
 .../built-ins/Math/asin/not-a-constructor.js       | 31 ++++++++++
 .../tests/test262/built-ins/Math/asin/prop-desc.js | 18 ++++++
 js/src/tests/test262/built-ins/Math/asin/shell.js  | 24 ++++++++
 .../built-ins/Math/asinh/asinh-specialVals.js      | 20 +++++++
 .../tests/test262/built-ins/Math/asinh/browser.js  |  0
 .../tests/test262/built-ins/Math/asinh/length.js   | 30 ++++++++++
 js/src/tests/test262/built-ins/Math/asinh/name.js  | 28 +++++++++
 .../built-ins/Math/asinh/not-a-constructor.js      | 31 ++++++++++
 .../test262/built-ins/Math/asinh/prop-desc.js      | 14 +++++
 js/src/tests/test262/built-ins/Math/asinh/shell.js | 24 ++++++++
 .../test262/built-ins/Math/atan/S15.8.2.4_A1.js    | 12 ++++
 .../test262/built-ins/Math/atan/S15.8.2.4_A2.js    | 12 ++++
 .../test262/built-ins/Math/atan/S15.8.2.4_A3.js    | 12 ++++
 .../tests/test262/built-ins/Math/atan/browser.js   |  0
 js/src/tests/test262/built-ins/Math/atan/length.js | 31 ++++++++++
 js/src/tests/test262/built-ins/Math/atan/name.js   | 28 +++++++++
 .../built-ins/Math/atan/not-a-constructor.js       | 31 ++++++++++
 .../tests/test262/built-ins/Math/atan/prop-desc.js | 18 ++++++
 js/src/tests/test262/built-ins/Math/atan/shell.js  | 24 ++++++++
 .../test262/built-ins/Math/atan2/S15.8.2.5_A1.js   | 39 ++++++++++++
 .../test262/built-ins/Math/atan2/S15.8.2.5_A14.js  | 25 ++++++++
 .../test262/built-ins/Math/atan2/S15.8.2.5_A16.js  | 29 +++++++++
 .../test262/built-ins/Math/atan2/S15.8.2.5_A4.js   | 23 ++++++++
 .../test262/built-ins/Math/atan2/S15.8.2.5_A5.js   | 12 ++++
 .../test262/built-ins/Math/atan2/S15.8.2.5_A8.js   | 27 +++++++++
 .../test262/built-ins/Math/atan2/S15.8.2.5_A9.js   | 12 ++++
 .../tests/test262/built-ins/Math/atan2/browser.js  |  0
 .../tests/test262/built-ins/Math/atan2/length.js   | 31 ++++++++++
 js/src/tests/test262/built-ins/Math/atan2/name.js  | 28 +++++++++
 .../built-ins/Math/atan2/not-a-constructor.js      | 31 ++++++++++
 .../test262/built-ins/Math/atan2/prop-desc.js      | 18 ++++++
 js/src/tests/test262/built-ins/Math/atan2/shell.js | 24 ++++++++
 .../built-ins/Math/atanh/atanh-specialVals.js      | 33 +++++++++++
 .../tests/test262/built-ins/Math/atanh/browser.js  |  0
 .../tests/test262/built-ins/Math/atanh/length.js   | 30 ++++++++++
 js/src/tests/test262/built-ins/Math/atanh/name.js  | 28 +++++++++
 .../built-ins/Math/atanh/not-a-constructor.js      | 31 ++++++++++
 .../test262/built-ins/Math/atanh/prop-desc.js      | 14 +++++
 js/src/tests/test262/built-ins/Math/atanh/shell.js | 24 ++++++++
 js/src/tests/test262/built-ins/Math/browser.js     |  0
 .../tests/test262/built-ins/Math/cbrt/browser.js   |  0
 .../built-ins/Math/cbrt/cbrt-specialValues.js      | 20 +++++++
 js/src/tests/test262/built-ins/Math/cbrt/length.js | 30 ++++++++++
 js/src/tests/test262/built-ins/Math/cbrt/name.js   | 28 +++++++++
 .../built-ins/Math/cbrt/not-a-constructor.js       | 31 ++++++++++
 .../tests/test262/built-ins/Math/cbrt/prop-desc.js | 14 +++++
 js/src/tests/test262/built-ins/Math/cbrt/shell.js  | 24 ++++++++
 .../test262/built-ins/Math/ceil/S15.8.2.6_A1.js    | 12 ++++
 .../test262/built-ins/Math/ceil/S15.8.2.6_A2.js    | 12 ++++
 .../test262/built-ins/Math/ceil/S15.8.2.6_A3.js    | 12 ++++
 .../test262/built-ins/Math/ceil/S15.8.2.6_A4.js    | 14 +++++
 .../test262/built-ins/Math/ceil/S15.8.2.6_A5.js    | 14 +++++
 .../test262/built-ins/Math/ceil/S15.8.2.6_A6.js    | 16 +++++
 .../test262/built-ins/Math/ceil/S15.8.2.6_A7.js    | 19 ++++++
 .../tests/test262/built-ins/Math/ceil/browser.js   |  0
 js/src/tests/test262/built-ins/Math/ceil/length.js | 31 ++++++++++
 js/src/tests/test262/built-ins/Math/ceil/name.js   | 28 +++++++++
 .../built-ins/Math/ceil/not-a-constructor.js       | 31 ++++++++++
 .../tests/test262/built-ins/Math/ceil/prop-desc.js | 19 ++++++
 js/src/tests/test262/built-ins/Math/ceil/shell.js  | 24 ++++++++
 .../test262/built-ins/Math/clz32/Math.clz32.js     | 13 ++++
 .../test262/built-ins/Math/clz32/Math.clz32_1.js   | 12 ++++
 .../test262/built-ins/Math/clz32/Math.clz32_2.js   | 12 ++++
 .../tests/test262/built-ins/Math/clz32/browser.js  |  0
 .../tests/test262/built-ins/Math/clz32/infinity.js | 25 ++++++++
 .../tests/test262/built-ins/Math/clz32/int32bit.js | 49 +++++++++++++++
 .../tests/test262/built-ins/Math/clz32/length.js   | 31 ++++++++++
 js/src/tests/test262/built-ins/Math/clz32/name.js  | 28 +++++++++
 js/src/tests/test262/built-ins/Math/clz32/nan.js   | 24 ++++++++
 .../built-ins/Math/clz32/not-a-constructor.js      | 31 ++++++++++
 .../test262/built-ins/Math/clz32/prop-desc.js      | 19 ++++++
 js/src/tests/test262/built-ins/Math/clz32/shell.js | 24 ++++++++
 .../test262/built-ins/Math/cos/S15.8.2.7_A1.js     | 12 ++++
 .../test262/built-ins/Math/cos/S15.8.2.7_A2.js     | 14 +++++
 .../test262/built-ins/Math/cos/S15.8.2.7_A3.js     | 14 +++++
 .../test262/built-ins/Math/cos/S15.8.2.7_A4.js     | 12 ++++
 .../test262/built-ins/Math/cos/S15.8.2.7_A5.js     | 12 ++++
 js/src/tests/test262/built-ins/Math/cos/browser.js |  0
 js/src/tests/test262/built-ins/Math/cos/length.js  | 31 ++++++++++
 js/src/tests/test262/built-ins/Math/cos/name.js    | 28 +++++++++
 .../built-ins/Math/cos/not-a-constructor.js        | 31 ++++++++++
 .../tests/test262/built-ins/Math/cos/prop-desc.js  | 19 ++++++
 js/src/tests/test262/built-ins/Math/cos/shell.js   | 24 ++++++++
 .../tests/test262/built-ins/Math/cosh/browser.js   |  0
 .../built-ins/Math/cosh/cosh-specialVals.js        | 18 ++++++
 js/src/tests/test262/built-ins/Math/cosh/length.js | 27 +++++++++
 js/src/tests/test262/built-ins/Math/cosh/name.js   | 28 +++++++++
 .../built-ins/Math/cosh/not-a-constructor.js       | 31 ++++++++++
 .../tests/test262/built-ins/Math/cosh/prop-desc.js | 14 +++++
 js/src/tests/test262/built-ins/Math/cosh/shell.js  | 24 ++++++++
 .../test262/built-ins/Math/exp/S15.8.2.8_A1.js     | 12 ++++
 .../test262/built-ins/Math/exp/S15.8.2.8_A2.js     | 14 +++++
 .../test262/built-ins/Math/exp/S15.8.2.8_A3.js     | 14 +++++
 .../test262/built-ins/Math/exp/S15.8.2.8_A4.js     | 14 +++++
 .../test262/built-ins/Math/exp/S15.8.2.8_A5.js     | 12 ++++
 js/src/tests/test262/built-ins/Math/exp/browser.js |  0
 js/src/tests/test262/built-ins/Math/exp/length.js  | 31 ++++++++++
 js/src/tests/test262/built-ins/Math/exp/name.js    | 28 +++++++++
 .../built-ins/Math/exp/not-a-constructor.js        | 31 ++++++++++
 .../tests/test262/built-ins/Math/exp/prop-desc.js  | 19 ++++++
 js/src/tests/test262/built-ins/Math/exp/shell.js   | 24 ++++++++
 .../tests/test262/built-ins/Math/expm1/browser.js  |  0
 .../built-ins/Math/expm1/expm1-specialVals.js      | 20 +++++++
 .../tests/test262/built-ins/Math/expm1/length.js   | 30 ++++++++++
 js/src/tests/test262/built-ins/Math/expm1/name.js  | 28 +++++++++
 .../built-ins/Math/expm1/not-a-constructor.js      | 31 ++++++++++
 .../test262/built-ins/Math/expm1/prop-desc.js      | 14 +++++
 js/src/tests/test262/built-ins/Math/expm1/shell.js | 24 ++++++++
 .../test262/built-ins/Math/floor/S15.8.2.9_A1.js   | 12 ++++
 .../test262/built-ins/Math/floor/S15.8.2.9_A2.js   | 12 ++++
 .../test262/built-ins/Math/floor/S15.8.2.9_A3.js   | 12 ++++
 .../test262/built-ins/Math/floor/S15.8.2.9_A4.js   | 14 +++++
 .../test262/built-ins/Math/floor/S15.8.2.9_A5.js   | 14 +++++
 .../test262/built-ins/Math/floor/S15.8.2.9_A6.js   | 16 +++++
 .../test262/built-ins/Math/floor/S15.8.2.9_A7.js   | 24 ++++++++
 .../tests/test262/built-ins/Math/floor/browser.js  |  0
 .../tests/test262/built-ins/Math/floor/length.js   | 31 ++++++++++
 js/src/tests/test262/built-ins/Math/floor/name.js  | 28 +++++++++
 .../built-ins/Math/floor/not-a-constructor.js      | 31 ++++++++++
 .../test262/built-ins/Math/floor/prop-desc.js      | 19 ++++++
 js/src/tests/test262/built-ins/Math/floor/shell.js | 24 ++++++++
 .../built-ins/Math/fround/Math.fround_Infinity.js  | 12 ++++
 .../built-ins/Math/fround/Math.fround_NaN.js       | 12 ++++
 .../built-ins/Math/fround/Math.fround_Zero.js      | 13 ++++
 .../tests/test262/built-ins/Math/fround/browser.js |  0
 .../tests/test262/built-ins/Math/fround/length.js  | 31 ++++++++++
 js/src/tests/test262/built-ins/Math/fround/name.js | 28 +++++++++
 .../built-ins/Math/fround/not-a-constructor.js     | 31 ++++++++++
 .../test262/built-ins/Math/fround/prop-desc.js     | 19 ++++++
 .../tests/test262/built-ins/Math/fround/shell.js   | 24 ++++++++
 js/src/tests/test262/built-ins/Math/fround/ties.js | 52 ++++++++++++++++
 .../built-ins/Math/fround/value-convertion.js      | 27 +++++++++
 .../built-ins/Math/hypot/Math.hypot_Infinity.js    | 14 +++++
 .../built-ins/Math/hypot/Math.hypot_InfinityNaN.js | 14 +++++
 .../test262/built-ins/Math/hypot/Math.hypot_NaN.js | 14 +++++
 .../built-ins/Math/hypot/Math.hypot_NegInfinity.js | 14 +++++
 .../built-ins/Math/hypot/Math.hypot_NoArgs.js      | 12 ++++
 .../built-ins/Math/hypot/Math.hypot_Success_2.js   | 12 ++++
 .../built-ins/Math/hypot/Math.hypot_ToNumberErr.js | 37 ++++++++++++
 .../built-ins/Math/hypot/Math.hypot_Zero_2.js      | 19 ++++++
 .../tests/test262/built-ins/Math/hypot/browser.js  |  0
 .../tests/test262/built-ins/Math/hypot/length.js   | 31 ++++++++++
 js/src/tests/test262/built-ins/Math/hypot/name.js  | 28 +++++++++
 .../built-ins/Math/hypot/not-a-constructor.js      | 31 ++++++++++
 .../test262/built-ins/Math/hypot/prop-desc.js      | 14 +++++
 js/src/tests/test262/built-ins/Math/hypot/shell.js | 24 ++++++++
 .../tests/test262/built-ins/Math/imul/browser.js   |  0
 js/src/tests/test262/built-ins/Math/imul/length.js | 30 ++++++++++
 js/src/tests/test262/built-ins/Math/imul/name.js   | 28 +++++++++
 .../built-ins/Math/imul/not-a-constructor.js       | 31 ++++++++++
 .../tests/test262/built-ins/Math/imul/prop-desc.js | 14 +++++
 .../tests/test262/built-ins/Math/imul/results.js   | 60 +++++++++++++++++++
 js/src/tests/test262/built-ins/Math/imul/shell.js  | 24 ++++++++
 .../test262/built-ins/Math/log/S15.8.2.10_A1.js    | 12 ++++
 .../test262/built-ins/Math/log/S15.8.2.10_A2.js    | 14 +++++
 .../test262/built-ins/Math/log/S15.8.2.10_A3.js    | 18 ++++++
 .../test262/built-ins/Math/log/S15.8.2.10_A4.js    | 12 ++++
 .../test262/built-ins/Math/log/S15.8.2.10_A5.js    | 14 +++++
 js/src/tests/test262/built-ins/Math/log/browser.js |  0
 js/src/tests/test262/built-ins/Math/log/length.js  | 31 ++++++++++
 js/src/tests/test262/built-ins/Math/log/name.js    | 28 +++++++++
 .../built-ins/Math/log/not-a-constructor.js        | 31 ++++++++++
 .../tests/test262/built-ins/Math/log/prop-desc.js  | 19 ++++++
 js/src/tests/test262/built-ins/Math/log/shell.js   | 24 ++++++++
 .../built-ins/Math/log10/Log10-specialVals.js      | 34 +++++++++++
 .../tests/test262/built-ins/Math/log10/browser.js  |  0
 .../tests/test262/built-ins/Math/log10/length.js   | 30 ++++++++++
 js/src/tests/test262/built-ins/Math/log10/name.js  | 28 +++++++++
 .../built-ins/Math/log10/not-a-constructor.js      | 31 ++++++++++
 .../test262/built-ins/Math/log10/prop-desc.js      | 15 +++++
 js/src/tests/test262/built-ins/Math/log10/shell.js | 24 ++++++++
 .../tests/test262/built-ins/Math/log1p/browser.js  |  0
 .../tests/test262/built-ins/Math/log1p/length.js   | 30 ++++++++++
 js/src/tests/test262/built-ins/Math/log1p/name.js  | 28 +++++++++
 .../built-ins/Math/log1p/not-a-constructor.js      | 31 ++++++++++
 .../test262/built-ins/Math/log1p/prop-desc.js      | 14 +++++
 js/src/tests/test262/built-ins/Math/log1p/shell.js | 24 ++++++++
 .../built-ins/Math/log1p/specific-results.js       | 28 +++++++++
 .../tests/test262/built-ins/Math/log2/browser.js   |  0
 js/src/tests/test262/built-ins/Math/log2/length.js | 30 ++++++++++
 .../test262/built-ins/Math/log2/log2-basicTests.js | 36 +++++++++++
 js/src/tests/test262/built-ins/Math/log2/name.js   | 28 +++++++++
 .../built-ins/Math/log2/not-a-constructor.js       | 31 ++++++++++
 .../tests/test262/built-ins/Math/log2/prop-desc.js | 14 +++++
 js/src/tests/test262/built-ins/Math/log2/shell.js  | 24 ++++++++
 .../test262/built-ins/Math/max/15.8.2.11-1.js      | 11 ++++
 .../Math/max/Math.max_each-element-coerced.js      | 23 ++++++++
 .../test262/built-ins/Math/max/S15.8.2.11_A1.js    | 11 ++++
 .../test262/built-ins/Math/max/S15.8.2.11_A2.js    | 68 +++++++++++++++++++++
 .../test262/built-ins/Math/max/S15.8.2.11_A4.js    | 13 ++++
 js/src/tests/test262/built-ins/Math/max/browser.js |  0
 js/src/tests/test262/built-ins/Math/max/length.js  | 28 +++++++++
 js/src/tests/test262/built-ins/Math/max/name.js    | 28 +++++++++
 .../built-ins/Math/max/not-a-constructor.js        | 31 ++++++++++
 .../tests/test262/built-ins/Math/max/prop-desc.js  | 19 ++++++
 js/src/tests/test262/built-ins/Math/max/shell.js   | 24 ++++++++
 js/src/tests/test262/built-ins/Math/max/zeros.js   | 22 +++++++
 .../test262/built-ins/Math/min/15.8.2.12-1.js      | 11 ++++
 .../Math/min/Math.min_each-element-coerced.js      | 23 ++++++++
 .../test262/built-ins/Math/min/S15.8.2.12_A1.js    | 11 ++++
 .../test262/built-ins/Math/min/S15.8.2.12_A2.js    | 69 ++++++++++++++++++++++
 .../test262/built-ins/Math/min/S15.8.2.12_A4.js    | 13 ++++
 js/src/tests/test262/built-ins/Math/min/browser.js |  0
 js/src/tests/test262/built-ins/Math/min/length.js  | 28 +++++++++
 js/src/tests/test262/built-ins/Math/min/name.js    | 28 +++++++++
 .../built-ins/Math/min/not-a-constructor.js        | 31 ++++++++++
 .../tests/test262/built-ins/Math/min/prop-desc.js  | 19 ++++++
 js/src/tests/test262/built-ins/Math/min/shell.js   | 24 ++++++++
 js/src/tests/test262/built-ins/Math/min/zeros.js   | 22 +++++++
 .../Math/pow/applying-the-exp-operator_A1.js       | 31 ++++++++++
 .../Math/pow/applying-the-exp-operator_A10.js      | 26 ++++++++
 .../Math/pow/applying-the-exp-operator_A11.js      | 24 ++++++++
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(limited to 'js/src/tests/test262/built-ins/Math')

diff --git a/js/src/tests/test262/built-ins/Math/E/browser.js b/js/src/tests/test262/built-ins/Math/E/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/E/prop-desc.js b/js/src/tests/test262/built-ins/Math/E/prop-desc.js
new file mode 100644
index 0000000000..79db7e0b94
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/E/prop-desc.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.e
+description: >
+  "E" property of Math
+info: |
+  This property has the attributes { [[Writable]]: false, [[Enumerable]]:
+  false, [[Configurable]]: false }.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, 'E');
+verifyNotWritable(Math, 'E');
+verifyNotConfigurable(Math, 'E');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/E/shell.js b/js/src/tests/test262/built-ins/Math/E/shell.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/E/value.js b/js/src/tests/test262/built-ins/Math/E/value.js
new file mode 100644
index 0000000000..431d3655f4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/E/value.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Math.E is a numeric value
+esid: sec-math.e
+info: |
+    The Number value for e, the base of the natural logarithms, which is
+    approximately 2.7182818284590452354.
+
+    The precision of this approximation is host-defined.
+---*/
+
+assert.sameValue(typeof Math.E, 'number');
+assert.notSameValue(Math.E, NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/LN10/browser.js b/js/src/tests/test262/built-ins/Math/LN10/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/LN10/prop-desc.js b/js/src/tests/test262/built-ins/Math/LN10/prop-desc.js
new file mode 100644
index 0000000000..87f49f1a50
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/LN10/prop-desc.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.ln10
+description: >
+  "LN10" property of Math
+info: |
+  This property has the attributes { [[Writable]]: false, [[Enumerable]]:
+  false, [[Configurable]]: false }.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, 'LN10');
+verifyNotWritable(Math, 'LN10');
+verifyNotConfigurable(Math, 'LN10');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/LN10/shell.js b/js/src/tests/test262/built-ins/Math/LN10/shell.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/LN10/value.js b/js/src/tests/test262/built-ins/Math/LN10/value.js
new file mode 100644
index 0000000000..dd51aa838c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/LN10/value.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Math.LN10 is a numeric value
+esid: sec-math.ln10
+info: |
+    The Number value for the natural logarithm of 10, which is approximately
+    2.302585092994046.
+
+    The precision of this approximation is host-defined.
+---*/
+
+assert.sameValue(typeof Math.LN10, 'number');
+assert.notSameValue(Math.LN10, NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/LN2/browser.js b/js/src/tests/test262/built-ins/Math/LN2/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/LN2/prop-desc.js b/js/src/tests/test262/built-ins/Math/LN2/prop-desc.js
new file mode 100644
index 0000000000..8c7b2222fc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/LN2/prop-desc.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.ln2
+description: >
+  "LN2" property of Math
+info: |
+  This property has the attributes { [[Writable]]: false, [[Enumerable]]:
+  false, [[Configurable]]: false }.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, 'LN2');
+verifyNotWritable(Math, 'LN2');
+verifyNotConfigurable(Math, 'LN2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/LN2/shell.js b/js/src/tests/test262/built-ins/Math/LN2/shell.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/LN2/value.js b/js/src/tests/test262/built-ins/Math/LN2/value.js
new file mode 100644
index 0000000000..d67e2c2981
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/LN2/value.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Math.LN2 is a numeric value
+esid: sec-math.ln2
+info: |
+    The Number value for the natural logarithm of 2, which is approximately
+    0.6931471805599453.
+
+    The precision of this approximation is host-defined.
+---*/
+
+assert.sameValue(typeof Math.LN2, 'number');
+assert.notSameValue(Math.LN2, NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/LOG10E/browser.js b/js/src/tests/test262/built-ins/Math/LOG10E/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/LOG10E/prop-desc.js b/js/src/tests/test262/built-ins/Math/LOG10E/prop-desc.js
new file mode 100644
index 0000000000..5ca90b6af1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/LOG10E/prop-desc.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.log10e
+description: >
+  "LOG10E" property of Math
+info: |
+  This property has the attributes { [[Writable]]: false, [[Enumerable]]:
+  false, [[Configurable]]: false }.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, 'LOG10E');
+verifyNotWritable(Math, 'LOG10E');
+verifyNotConfigurable(Math, 'LOG10E');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/LOG10E/shell.js b/js/src/tests/test262/built-ins/Math/LOG10E/shell.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/LOG10E/value.js b/js/src/tests/test262/built-ins/Math/LOG10E/value.js
new file mode 100644
index 0000000000..3677aea0f6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/LOG10E/value.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Math.LOG10E is a numeric value
+esid: sec-math.log10e
+info: |
+    The Number value for the base-10 logarithm of e, the base of the natural
+    logarithms; this value is approximately 0.4342944819032518.
+
+    The precision of this approximation is host-defined.
+---*/
+
+assert.sameValue(typeof Math.LOG10E, 'number');
+assert.notSameValue(Math.LOG10E, NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/LOG2E/browser.js b/js/src/tests/test262/built-ins/Math/LOG2E/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/LOG2E/prop-desc.js b/js/src/tests/test262/built-ins/Math/LOG2E/prop-desc.js
new file mode 100644
index 0000000000..30847f9aab
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/LOG2E/prop-desc.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.log2e
+description: >
+  "LOG2E" property of Math
+info: |
+  This property has the attributes { [[Writable]]: false, [[Enumerable]]:
+  false, [[Configurable]]: false }.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, 'LOG2E');
+verifyNotWritable(Math, 'LOG2E');
+verifyNotConfigurable(Math, 'LOG2E');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/LOG2E/shell.js b/js/src/tests/test262/built-ins/Math/LOG2E/shell.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/LOG2E/value.js b/js/src/tests/test262/built-ins/Math/LOG2E/value.js
new file mode 100644
index 0000000000..06bafa1d9d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/LOG2E/value.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Math.LOG2E is a numeric value
+esid: sec-math.log2e
+info: |
+    The Number value for the base-2 logarithm of e, the base of the natural
+    logarithms; this value is approximately 1.4426950408889634.
+
+    The precision of this approximation is host-defined.
+---*/
+
+assert.sameValue(typeof Math.LOG2E, 'number');
+assert.notSameValue(Math.LOG2E, NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/PI/browser.js b/js/src/tests/test262/built-ins/Math/PI/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/PI/prop-desc.js b/js/src/tests/test262/built-ins/Math/PI/prop-desc.js
new file mode 100644
index 0000000000..c3ee153ec1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/PI/prop-desc.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.pi
+description: >
+  "PI" property of Math
+info: |
+  This property has the attributes { [[Writable]]: false, [[Enumerable]]:
+  false, [[Configurable]]: false }.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, 'PI');
+verifyNotWritable(Math, 'PI');
+verifyNotConfigurable(Math, 'PI');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/PI/shell.js b/js/src/tests/test262/built-ins/Math/PI/shell.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/PI/value.js b/js/src/tests/test262/built-ins/Math/PI/value.js
new file mode 100644
index 0000000000..b384583b08
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/PI/value.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Math.PI is a numeric value
+esid: sec-math.pi
+info: |
+    The Number value for pi, the ratio of the circumference of a circle to its
+    diameter, which is approximately 3.1415926535897932.
+
+    The precision of this approximation is host-defined.
+---*/
+
+assert.sameValue(typeof Math.PI, 'number');
+assert.notSameValue(Math.PI, NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/SQRT1_2/browser.js b/js/src/tests/test262/built-ins/Math/SQRT1_2/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/SQRT1_2/prop-desc.js b/js/src/tests/test262/built-ins/Math/SQRT1_2/prop-desc.js
new file mode 100644
index 0000000000..a7617144cc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/SQRT1_2/prop-desc.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.sqrt1_2
+description: >
+  "SQRT1_2" property of Math
+info: |
+  This property has the attributes { [[Writable]]: false, [[Enumerable]]:
+  false, [[Configurable]]: false }.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, 'SQRT1_2');
+verifyNotWritable(Math, 'SQRT1_2');
+verifyNotConfigurable(Math, 'SQRT1_2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/SQRT1_2/shell.js b/js/src/tests/test262/built-ins/Math/SQRT1_2/shell.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/SQRT1_2/value.js b/js/src/tests/test262/built-ins/Math/SQRT1_2/value.js
new file mode 100644
index 0000000000..b5b0176431
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/SQRT1_2/value.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Math.SQRT1_2 is a numeric value
+esid: sec-math.sqrt1_2
+info: |
+    The Number value for the square root of `1/2`, which is approximately
+    0.7071067811865476.
+
+    The precision of this approximation is host-defined.
+---*/
+
+assert.sameValue(typeof Math.SQRT1_2, 'number');
+assert.notSameValue(Math.SQRT1_2, NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/SQRT2/browser.js b/js/src/tests/test262/built-ins/Math/SQRT2/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/SQRT2/prop-desc.js b/js/src/tests/test262/built-ins/Math/SQRT2/prop-desc.js
new file mode 100644
index 0000000000..d56e397fcb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/SQRT2/prop-desc.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.sqrt2
+description: >
+  "SQRT2" property of Math
+info: |
+  This property has the attributes { [[Writable]]: false, [[Enumerable]]:
+  false, [[Configurable]]: false }.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, 'SQRT2');
+verifyNotWritable(Math, 'SQRT2');
+verifyNotConfigurable(Math, 'SQRT2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/SQRT2/shell.js b/js/src/tests/test262/built-ins/Math/SQRT2/shell.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/SQRT2/value.js b/js/src/tests/test262/built-ins/Math/SQRT2/value.js
new file mode 100644
index 0000000000..cf06696db0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/SQRT2/value.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: Math.SQRT2 is a numeric value
+esid: sec-math.sqrt2
+info: |
+    The Number value for the square root of 2, which is approximately
+    1.4142135623730951.
+
+    The precision of this approximation is host-defined.
+---*/
+
+assert.sameValue(typeof Math.SQRT2, 'number');
+assert.notSameValue(Math.SQRT2, NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/Symbol.toStringTag.js b/js/src/tests/test262/built-ins/Math/Symbol.toStringTag.js
new file mode 100644
index 0000000000..3a419fa2c5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/Symbol.toStringTag.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 20.2.1.9
+description: >
+    `Symbol.toStringTag` property descriptor
+info: |
+    The initial value of the @@toStringTag property is the String value
+    "Math".
+
+    This property has the attributes { [[Writable]]: false, [[Enumerable]]:
+    false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+features: [Symbol.toStringTag]
+---*/
+
+assert.sameValue(Math[Symbol.toStringTag], 'Math');
+
+verifyNotEnumerable(Math, Symbol.toStringTag);
+verifyNotWritable(Math, Symbol.toStringTag);
+verifyConfigurable(Math, Symbol.toStringTag);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/abs/S15.8.2.1_A1.js b/js/src/tests/test262/built-ins/Math/abs/S15.8.2.1_A1.js
new file mode 100644
index 0000000000..4bfb1f5a4f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/abs/S15.8.2.1_A1.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is NaN, Math.abs(x) is NaN
+es5id: 15.8.2.1_A1
+description: Checking if Math.abs(NaN) is NaN
+---*/
+
+assert.sameValue(Math.abs(NaN), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/abs/S15.8.2.1_A2.js b/js/src/tests/test262/built-ins/Math/abs/S15.8.2.1_A2.js
new file mode 100644
index 0000000000..1ee03e5ec4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/abs/S15.8.2.1_A2.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -0, Math.abs(x) is +0
+es5id: 15.8.2.1_A2
+description: Checking if Math.abs(-0) equals to +0
+---*/
+
+assert.sameValue(Math.abs(-0), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/abs/S15.8.2.1_A3.js b/js/src/tests/test262/built-ins/Math/abs/S15.8.2.1_A3.js
new file mode 100644
index 0000000000..d2207aa004
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/abs/S15.8.2.1_A3.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -Infinity, Math.abs(x) is +Infinity
+es5id: 15.8.2.1_A3
+description: Checking if Math.abs(-Infinity) equals to +Infinity
+---*/
+
+// CHECK#1
+var x = -Infinity;
+assert.sameValue(Math.abs(x), +Infinity, 'Math.abs(-Infinity) must return +Infinity');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/abs/absolute-value.js b/js/src/tests/test262/built-ins/Math/abs/absolute-value.js
new file mode 100644
index 0000000000..9aa95e5a29
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/abs/absolute-value.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2016 The V8 Project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.abs
+description: >
+  Returns the absolute value of x
+info: |
+  Math.abs ( x )
+
+  Returns the absolute value of x; the result has the same magnitude as x but
+  has positive sign.
+---*/
+
+assert.sameValue(Math.abs(-42), 42, "-42");
+assert.sameValue(Math.abs(42), 42, "42");
+assert.sameValue(Math.abs(-0.000001), 0.000001, "-0.000001");
+assert.sameValue(Math.abs(0.000001), 0.000001, "0.000001");
+assert.sameValue(Math.abs(-1e-17), 1e-17, "-1e-17");
+assert.sameValue(Math.abs(1e-17), 1e-17, "1e-17");
+assert.sameValue(Math.abs(-9007199254740991), 9007199254740991, "-(2**53-1)");
+assert.sameValue(Math.abs(9007199254740991), 9007199254740991, "2**53-1");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/abs/browser.js b/js/src/tests/test262/built-ins/Math/abs/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/abs/length.js b/js/src/tests/test262/built-ins/Math/abs/length.js
new file mode 100644
index 0000000000..2d031962ae
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/abs/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.1
+description: >
+  Math.abs.length is 1.
+info: |
+  Math.abs ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.abs.length, 1);
+
+verifyNotEnumerable(Math.abs, "length");
+verifyNotWritable(Math.abs, "length");
+verifyConfigurable(Math.abs, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/abs/name.js b/js/src/tests/test262/built-ins/Math/abs/name.js
new file mode 100644
index 0000000000..640f07b811
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/abs/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.1
+description: >
+  Math.abs.name is "abs".
+info: |
+  Math.abs ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.abs.name, "abs");
+
+verifyNotEnumerable(Math.abs, "name");
+verifyNotWritable(Math.abs, "name");
+verifyConfigurable(Math.abs, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/abs/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/abs/not-a-constructor.js
new file mode 100644
index 0000000000..3fc474119f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/abs/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.abs does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.abs), false, 'isConstructor(Math.abs) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.abs();
+}, '`new Math.abs()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/abs/prop-desc.js b/js/src/tests/test262/built-ins/Math/abs/prop-desc.js
new file mode 100644
index 0000000000..11d01c2d6f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/abs/prop-desc.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-math.abs
+description: >
+  "abs" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "abs");
+verifyWritable(Math, "abs");
+verifyConfigurable(Math, "abs");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/abs/shell.js b/js/src/tests/test262/built-ins/Math/abs/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/abs/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/acos/S15.8.2.2_A1.js b/js/src/tests/test262/built-ins/Math/acos/S15.8.2.2_A1.js
new file mode 100644
index 0000000000..1805c4bdae
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acos/S15.8.2.2_A1.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is NaN, Math.acos(x) is NaN
+es5id: 15.8.2.2_A1
+description: Checking if Math.acos(NaN) is NaN
+---*/
+
+assert.sameValue(Math.acos(NaN), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/acos/S15.8.2.2_A2.js b/js/src/tests/test262/built-ins/Math/acos/S15.8.2.2_A2.js
new file mode 100644
index 0000000000..fe1c9883b7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acos/S15.8.2.2_A2.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is greater than 1, Math.acos(x) is NaN
+es5id: 15.8.2.2_A2
+description: Checking if Math.acos(x) is NaN, where x is greater than 1
+---*/
+
+assert.sameValue(Math.acos(1.000000000000001), NaN, "1.000000000000001");
+assert.sameValue(Math.acos(2), NaN, "2");
+assert.sameValue(Math.acos(Infinity), NaN, "Infinity");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/acos/S15.8.2.2_A3.js b/js/src/tests/test262/built-ins/Math/acos/S15.8.2.2_A3.js
new file mode 100644
index 0000000000..ec097dab8a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acos/S15.8.2.2_A3.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is less than -1, Math.acos(x) is NaN
+es5id: 15.8.2.2_A3
+description: Checking if Math.acos(x) is NaN, where x is less than -1
+---*/
+
+assert.sameValue(Math.acos(-1.000000000000001), NaN, "-1.000000000000001");
+assert.sameValue(Math.acos(-2), NaN, "-2");
+assert.sameValue(Math.acos(-Infinity), NaN, "-Infinity");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/acos/S15.8.2.2_A4.js b/js/src/tests/test262/built-ins/Math/acos/S15.8.2.2_A4.js
new file mode 100644
index 0000000000..03f095e8e3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acos/S15.8.2.2_A4.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is exactly 1, Math.acos(x) is +0
+es5id: 15.8.2.2_A4
+description: Checking if Math.acos(1) equals to +0
+---*/
+
+assert.sameValue(Math.acos(1), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/acos/browser.js b/js/src/tests/test262/built-ins/Math/acos/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/acos/length.js b/js/src/tests/test262/built-ins/Math/acos/length.js
new file mode 100644
index 0000000000..0d1fca6e4a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acos/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.2
+description: >
+  Math.acos.length is 1.
+info: |
+  Math.acos ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.acos.length, 1);
+
+verifyNotEnumerable(Math.acos, "length");
+verifyNotWritable(Math.acos, "length");
+verifyConfigurable(Math.acos, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/acos/name.js b/js/src/tests/test262/built-ins/Math/acos/name.js
new file mode 100644
index 0000000000..d441d92d10
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acos/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.2
+description: >
+  Math.acos.name is "acos".
+info: |
+  Math.acos ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.acos.name, "acos");
+
+verifyNotEnumerable(Math.acos, "name");
+verifyNotWritable(Math.acos, "name");
+verifyConfigurable(Math.acos, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/acos/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/acos/not-a-constructor.js
new file mode 100644
index 0000000000..659f497ee4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acos/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.acos does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.acos), false, 'isConstructor(Math.acos) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.acos();
+}, '`new Math.acos()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/acos/prop-desc.js b/js/src/tests/test262/built-ins/Math/acos/prop-desc.js
new file mode 100644
index 0000000000..a0f2e2af6c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acos/prop-desc.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-math.acos
+description: >
+  "acos" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "acos");
+verifyWritable(Math, "acos");
+verifyConfigurable(Math, "acos");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/acos/shell.js b/js/src/tests/test262/built-ins/Math/acos/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acos/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/acosh/arg-is-infinity.js b/js/src/tests/test262/built-ins/Math/acosh/arg-is-infinity.js
new file mode 100644
index 0000000000..087498f3f1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acosh/arg-is-infinity.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2016 The V8 Project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.acosh
+description: >
+  Return Infinity if x is Infinity
+info: |
+  Math.acosh ( x )
+
+  If x is +∞, the result is +∞.
+---*/
+
+assert.sameValue(Math.acosh(Infinity), Infinity);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/acosh/arg-is-one.js b/js/src/tests/test262/built-ins/Math/acosh/arg-is-one.js
new file mode 100644
index 0000000000..5d03d7d930
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acosh/arg-is-one.js
@@ -0,0 +1,15 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Math.acosh(1) returns +0
+es6id: 20.2.2.3
+info: |
+  Math.acosh ( x )
+
+  - If x is 1, the result is +0.
+---*/
+
+assert.sameValue(Math.acosh(+1), 0, "Math.acosh should produce 0 for +1");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/acosh/browser.js b/js/src/tests/test262/built-ins/Math/acosh/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/acosh/length.js b/js/src/tests/test262/built-ins/Math/acosh/length.js
new file mode 100644
index 0000000000..10b7e3c234
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acosh/length.js
@@ -0,0 +1,27 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.3
+description: length property of Math.acosh
+info: |
+  Math.acosh ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.acosh.length, 1);
+
+verifyNotEnumerable(Math.acosh, "length");
+verifyNotWritable(Math.acosh, "length");
+verifyConfigurable(Math.acosh, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/acosh/name.js b/js/src/tests/test262/built-ins/Math/acosh/name.js
new file mode 100644
index 0000000000..5ff5df412f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acosh/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.3
+description: >
+  Math.acosh.name is "acosh".
+info: |
+  Math.acosh ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.acosh.name, "acosh");
+
+verifyNotEnumerable(Math.acosh, "name");
+verifyNotWritable(Math.acosh, "name");
+verifyConfigurable(Math.acosh, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/acosh/nan-returns.js b/js/src/tests/test262/built-ins/Math/acosh/nan-returns.js
new file mode 100644
index 0000000000..17a96a2adb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acosh/nan-returns.js
@@ -0,0 +1,20 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Math.acosh with special values
+es6id: 20.2.2.3
+info: |
+  Math.acosh ( x )
+
+  - If x is NaN, the result is NaN.
+  - If x is less than 1, the result is NaN.
+---*/
+
+assert.sameValue(Math.acosh(NaN), NaN, "NaN");
+assert.sameValue(Math.acosh(0.999999), NaN, "0.999999");
+assert.sameValue(Math.acosh(0), NaN, "0");
+assert.sameValue(Math.acosh(-1), NaN, "-1");
+assert.sameValue(Math.acosh(-Infinity), NaN, "-Infinity");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/acosh/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/acosh/not-a-constructor.js
new file mode 100644
index 0000000000..b9866a9eb4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acosh/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.acosh does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.acosh), false, 'isConstructor(Math.acosh) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.acosh();
+}, '`new Math.acosh()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/acosh/prop-desc.js b/js/src/tests/test262/built-ins/Math/acosh/prop-desc.js
new file mode 100644
index 0000000000..2e574afcc2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acosh/prop-desc.js
@@ -0,0 +1,14 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Testing descriptor property of Math.acosh
+includes: [propertyHelper.js]
+es6id: 20.2.2.3
+---*/
+
+verifyNotEnumerable(Math, "acosh");
+verifyWritable(Math, "acosh");
+verifyConfigurable(Math, "acosh");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/acosh/shell.js b/js/src/tests/test262/built-ins/Math/acosh/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/acosh/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/asin/S15.8.2.3_A1.js b/js/src/tests/test262/built-ins/Math/asin/S15.8.2.3_A1.js
new file mode 100644
index 0000000000..383b5faa1b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/asin/S15.8.2.3_A1.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is NaN, Math.asin(x) is NaN
+es5id: 15.8.2.3_A1
+description: Checking if Math.asin(NaN) is NaN
+---*/
+
+assert.sameValue(Math.asin(NaN), NaN, "NaN");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/asin/S15.8.2.3_A2.js b/js/src/tests/test262/built-ins/Math/asin/S15.8.2.3_A2.js
new file mode 100644
index 0000000000..1e8e4799c1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/asin/S15.8.2.3_A2.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is greater than 1, Math.asin(x) is NaN
+es5id: 15.8.2.3_A2
+description: Checking if Math.asin(x) is NaN, where x is greater than 1
+---*/
+
+assert.sameValue(Math.asin(1.000000000000001), NaN, "1.000000000000001");
+assert.sameValue(Math.asin(2), NaN, "2");
+assert.sameValue(Math.asin(Infinity), NaN, "Infinity");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/asin/S15.8.2.3_A3.js b/js/src/tests/test262/built-ins/Math/asin/S15.8.2.3_A3.js
new file mode 100644
index 0000000000..b6e456b99c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/asin/S15.8.2.3_A3.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is less than -1, Math.asin(x) is NaN
+es5id: 15.8.2.3_A3
+description: Checking if Math.asin(x) is NaN, where x is less than -1
+---*/
+
+assert.sameValue(Math.asin(-1.000000000000001), NaN, "-1.000000000000001");
+assert.sameValue(Math.asin(-2), NaN, "-2");
+assert.sameValue(Math.asin(-Infinity), NaN, "-Infinity");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/asin/S15.8.2.3_A4.js b/js/src/tests/test262/built-ins/Math/asin/S15.8.2.3_A4.js
new file mode 100644
index 0000000000..bf2373406b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/asin/S15.8.2.3_A4.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +0, Math.asin(x) is +0
+es5id: 15.8.2.3_A4
+description: Checking if Math.asin(+0) equals +0
+---*/
+
+assert.sameValue(Math.asin(0), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/asin/S15.8.2.3_A5.js b/js/src/tests/test262/built-ins/Math/asin/S15.8.2.3_A5.js
new file mode 100644
index 0000000000..7d95cb1072
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/asin/S15.8.2.3_A5.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -0, Math.asin(x) is -0
+es5id: 15.8.2.3_A5
+description: Checking if Math.asin(-0) equals to -0
+---*/
+
+assert.sameValue(Math.asin(-0), -0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/asin/browser.js b/js/src/tests/test262/built-ins/Math/asin/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/asin/length.js b/js/src/tests/test262/built-ins/Math/asin/length.js
new file mode 100644
index 0000000000..40ddb05dea
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/asin/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.4
+description: >
+  Math.asin.length is 1.
+info: |
+  Math.asin ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.asin.length, 1);
+
+verifyNotEnumerable(Math.asin, "length");
+verifyNotWritable(Math.asin, "length");
+verifyConfigurable(Math.asin, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/asin/name.js b/js/src/tests/test262/built-ins/Math/asin/name.js
new file mode 100644
index 0000000000..2d63be0e06
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/asin/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.4
+description: >
+  Math.asin.name is "asin".
+info: |
+  Math.asin ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.asin.name, "asin");
+
+verifyNotEnumerable(Math.asin, "name");
+verifyNotWritable(Math.asin, "name");
+verifyConfigurable(Math.asin, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/asin/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/asin/not-a-constructor.js
new file mode 100644
index 0000000000..adcadf0892
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/asin/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.asin does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.asin), false, 'isConstructor(Math.asin) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.asin();
+}, '`new Math.asin()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/asin/prop-desc.js b/js/src/tests/test262/built-ins/Math/asin/prop-desc.js
new file mode 100644
index 0000000000..e9838e9db6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/asin/prop-desc.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-math.acos
+description: >
+  "asin" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "asin");
+verifyWritable(Math, "asin");
+verifyConfigurable(Math, "asin");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/asin/shell.js b/js/src/tests/test262/built-ins/Math/asin/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/asin/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/asinh/asinh-specialVals.js b/js/src/tests/test262/built-ins/Math/asinh/asinh-specialVals.js
new file mode 100644
index 0000000000..d6d7e711ce
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/asinh/asinh-specialVals.js
@@ -0,0 +1,20 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Math.asinh with special values
+es6id: 20.2.2.5
+---*/
+
+assert.sameValue(Math.asinh(NaN), Number.NaN,
+  "Math.asinh produces incorrect output for NaN");
+assert.sameValue(Math.asinh(Number.NEGATIVE_INFINITY), Number.NEGATIVE_INFINITY,
+  "Math.asinh should produce negative infinity for Number.NEGATIVE_INFINITY");
+assert.sameValue(Math.asinh(Number.POSITIVE_INFINITY), Number.POSITIVE_INFINITY,
+  "Math.asinh should produce positive infinity for Number.POSITIVE_INFINITY");
+assert.sameValue(1 / Math.asinh(-0), Number.NEGATIVE_INFINITY,
+  "Math.asinh should produce -0 for -0");
+assert.sameValue(1 / Math.asinh(0), Number.POSITIVE_INFINITY,
+  "Math.asinh should produce +0 for +0");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/asinh/browser.js b/js/src/tests/test262/built-ins/Math/asinh/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/asinh/length.js b/js/src/tests/test262/built-ins/Math/asinh/length.js
new file mode 100644
index 0000000000..7dcd44f621
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/asinh/length.js
@@ -0,0 +1,30 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: length property of Math.asinh
+es6id: 20.2.2.5
+info: |
+  Math.asinh ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.asinh.length, 1);
+
+verifyNotEnumerable(Math.asinh, "length");
+verifyNotWritable(Math.asinh, "length");
+verifyConfigurable(Math.asinh, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/asinh/name.js b/js/src/tests/test262/built-ins/Math/asinh/name.js
new file mode 100644
index 0000000000..252117b048
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/asinh/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.5
+description: >
+  Math.asinh.name is "asinh".
+info: |
+  Math.asinh ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.asinh.name, "asinh");
+
+verifyNotEnumerable(Math.asinh, "name");
+verifyNotWritable(Math.asinh, "name");
+verifyConfigurable(Math.asinh, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/asinh/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/asinh/not-a-constructor.js
new file mode 100644
index 0000000000..bfb53cc7ec
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/asinh/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.asinh does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.asinh), false, 'isConstructor(Math.asinh) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.asinh();
+}, '`new Math.asinh()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/asinh/prop-desc.js b/js/src/tests/test262/built-ins/Math/asinh/prop-desc.js
new file mode 100644
index 0000000000..7c65e4d1df
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/asinh/prop-desc.js
@@ -0,0 +1,14 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Testing descriptor property of Math.asinh
+includes: [propertyHelper.js]
+es6id: 20.2.2.5
+---*/
+
+verifyNotEnumerable(Math, "asinh");
+verifyWritable(Math, "asinh");
+verifyConfigurable(Math, "asinh");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/asinh/shell.js b/js/src/tests/test262/built-ins/Math/asinh/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/asinh/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/atan/S15.8.2.4_A1.js b/js/src/tests/test262/built-ins/Math/atan/S15.8.2.4_A1.js
new file mode 100644
index 0000000000..ab45a2375b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan/S15.8.2.4_A1.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is NaN, Math.atan(x) is NaN
+es5id: 15.8.2.4_A1
+description: Checking if Math.atan(NaN) is NaN
+---*/
+
+assert.sameValue(Math.atan(NaN), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan/S15.8.2.4_A2.js b/js/src/tests/test262/built-ins/Math/atan/S15.8.2.4_A2.js
new file mode 100644
index 0000000000..16a365fecd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan/S15.8.2.4_A2.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +0, Math.atan(x) is +0
+es5id: 15.8.2.4_A2
+description: Checking if Math.atan(+0) equals to +0
+---*/
+
+assert.sameValue(Math.atan(0), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan/S15.8.2.4_A3.js b/js/src/tests/test262/built-ins/Math/atan/S15.8.2.4_A3.js
new file mode 100644
index 0000000000..9b0bff09ae
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan/S15.8.2.4_A3.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -0, Math.atan(x) is -0
+es5id: 15.8.2.4_A3
+description: Checking if Math.atan(-0) equals to -0
+---*/
+
+assert.sameValue(Math.atan(-0), -0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan/browser.js b/js/src/tests/test262/built-ins/Math/atan/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/atan/length.js b/js/src/tests/test262/built-ins/Math/atan/length.js
new file mode 100644
index 0000000000..e2a3cfc5ad
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.6
+description: >
+  Math.atan.length is 1.
+info: |
+  Math.atan ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.atan.length, 1);
+
+verifyNotEnumerable(Math.atan, "length");
+verifyNotWritable(Math.atan, "length");
+verifyConfigurable(Math.atan, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan/name.js b/js/src/tests/test262/built-ins/Math/atan/name.js
new file mode 100644
index 0000000000..56009ad6fe
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.6
+description: >
+  Math.atan.name is "atan".
+info: |
+  Math.atan ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.atan.name, "atan");
+
+verifyNotEnumerable(Math.atan, "name");
+verifyNotWritable(Math.atan, "name");
+verifyConfigurable(Math.atan, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/atan/not-a-constructor.js
new file mode 100644
index 0000000000..0b00568ba9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.atan does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.atan), false, 'isConstructor(Math.atan) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.atan();
+}, '`new Math.atan()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan/prop-desc.js b/js/src/tests/test262/built-ins/Math/atan/prop-desc.js
new file mode 100644
index 0000000000..a5f3eb327c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan/prop-desc.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-math.atan
+description: >
+  "atan" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "atan");
+verifyWritable(Math, "atan");
+verifyConfigurable(Math, "atan");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan/shell.js b/js/src/tests/test262/built-ins/Math/atan/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A1.js b/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A1.js
new file mode 100644
index 0000000000..af55dbb0de
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A1.js
@@ -0,0 +1,39 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If either x or y is NaN, Math(x,y) is NaN
+es5id: 15.8.2.5_A1
+description: >
+    Checking if Math.atan2(NaN,y) and Math.atan2(x,NaN) is NaN for
+    different x and y values
+---*/
+
+// CHECK#1
+
+var vals = new Array();
+vals[0] = -Infinity;
+vals[1] = -0.000000000000001;
+vals[2] = -0;
+vals[3] = +0
+vals[4] = 0.000000000000001;
+vals[5] = +Infinity;
+vals[6] = NaN;
+var valnum = 7;
+
+var args = new Array();
+for (var i = 0; i < 2; i++)
+{
+  args[i] = NaN;
+  for (var j = 0; j < valnum; j++)
+  {
+    args[1 - i] = vals[j];
+    assert.sameValue(
+      Math.atan2(args[0], args[1]),
+      NaN,
+      "(" + args[0] + ", " + args[1] + ")"
+    );
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A14.js b/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A14.js
new file mode 100644
index 0000000000..34ad7202c3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A14.js
@@ -0,0 +1,25 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If y>0 and y is finite and x is equal to +Infinity, Math.atan2(y,x) is +0
+es5id: 15.8.2.5_A14
+description: >
+    Checking if Math.atan2(y,x) equals to +0, where y>0 and y is
+    finite and x is equal to +Infinity
+---*/
+
+// CHECK#1
+var x = +Infinity;
+var y = new Array();
+y[0] = 0.000000000000001;
+y[1] = 1;
+y[2] = 1.7976931348623157E308; //largest finite number 
+var ynum = 3;
+
+for (var i = 0; i < ynum; i++)
+{
+  assert.sameValue(Math.atan2(y[i], x), 0, y[i]);
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A16.js b/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A16.js
new file mode 100644
index 0000000000..ab59d87d44
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A16.js
@@ -0,0 +1,29 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If y<0 and y is finite and x is equal to +Infinity, Math.atan2(y,x) is -0
+es5id: 15.8.2.5_A16
+description: >
+    Checking if Math.atan2(y,x) is -0, where y<0 and y is finite and x
+    is equal to +Infinity
+---*/
+
+// CHECK#1
+var x = +Infinity;
+var y = new Array();
+y[0] = -0.000000000000001;
+y[1] = -1;
+y[2] = -1.7976931348623157E308; //largest by abs() finite number 
+var ynum = 3;
+
+for (var i = 0; i < ynum; i++)
+{
+  assert.sameValue(
+    Math.atan2(y[i], x),
+    -0,
+    "(" + y[i] + ", Infinity)"
+  );
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A4.js b/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A4.js
new file mode 100644
index 0000000000..cb1c29c127
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A4.js
@@ -0,0 +1,23 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If y is +0 and x>0, Math.atan2(y,x) is +0
+es5id: 15.8.2.5_A4
+description: Checking if Math.atan2(y,x) equals to +0, where y is +0 and x>0
+---*/
+
+// CHECK#1
+var y = +0;
+var x = new Array();
+x[0] = 0.000000000000001;
+x[2] = +Infinity;
+x[1] = 1;
+var xnum = 3;
+
+for (var i = 0; i < xnum; i++)
+{
+  assert.sameValue(Math.atan2(y, x[i]), 0, x[i]);
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A5.js b/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A5.js
new file mode 100644
index 0000000000..50ef5c0a87
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A5.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If y is +0 and x is +0, Math.atan2(y,x) is +0
+es5id: 15.8.2.5_A5
+description: Checking if Math.atan2(y,x) is +0, where y is +0 and x is +0
+---*/
+
+assert.sameValue(Math.atan2(0, 0), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A8.js b/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A8.js
new file mode 100644
index 0000000000..ff48e85564
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A8.js
@@ -0,0 +1,27 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If y is equal to -0 and x>0, Math.atan2(y,x) is -0
+es5id: 15.8.2.5_A8
+description: Checking if Math.atan2(y,x) is -0, where y is equal to -0 and x>0
+---*/
+
+// CHECK#1
+var y = -0;
+var x = new Array();
+x[0] = 0.000000000000001;
+x[2] = +Infinity;
+x[1] = 1;
+var xnum = 3;
+
+for (var i = 0; i < xnum; i++)
+{
+  assert.sameValue(
+    Math.atan2(y, x[i]),
+    -0,
+    "(-0, " + x[i] + ")"
+  );
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A9.js b/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A9.js
new file mode 100644
index 0000000000..8977e1a516
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan2/S15.8.2.5_A9.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If y is -0 and x is +0, Math.atan2(y,x) is -0
+es5id: 15.8.2.5_A9
+description: Checking if Math.atan2(y,x) is -0, where y is -0 and x is +0
+---*/
+
+assert.sameValue(Math.atan2(-0, 0), -0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan2/browser.js b/js/src/tests/test262/built-ins/Math/atan2/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/atan2/length.js b/js/src/tests/test262/built-ins/Math/atan2/length.js
new file mode 100644
index 0000000000..8255c76783
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan2/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.8
+description: >
+  Math.atan2.length is 2.
+info: |
+  Math.atan2 ( y, x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.atan2.length, 2);
+
+verifyNotEnumerable(Math.atan2, "length");
+verifyNotWritable(Math.atan2, "length");
+verifyConfigurable(Math.atan2, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan2/name.js b/js/src/tests/test262/built-ins/Math/atan2/name.js
new file mode 100644
index 0000000000..fef201b98d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan2/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.8
+description: >
+  Math.atan2.name is "atan2".
+info: |
+  Math.atan2 ( y, x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.atan2.name, "atan2");
+
+verifyNotEnumerable(Math.atan2, "name");
+verifyNotWritable(Math.atan2, "name");
+verifyConfigurable(Math.atan2, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan2/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/atan2/not-a-constructor.js
new file mode 100644
index 0000000000..3b8989dd32
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan2/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.atan2 does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.atan2), false, 'isConstructor(Math.atan2) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.atan2();
+}, '`new Math.atan2()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan2/prop-desc.js b/js/src/tests/test262/built-ins/Math/atan2/prop-desc.js
new file mode 100644
index 0000000000..4a97d06011
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan2/prop-desc.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-math.atan2
+description: >
+  "atan2" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "atan2");
+verifyWritable(Math, "atan2");
+verifyConfigurable(Math, "atan2");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atan2/shell.js b/js/src/tests/test262/built-ins/Math/atan2/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atan2/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/atanh/atanh-specialVals.js b/js/src/tests/test262/built-ins/Math/atanh/atanh-specialVals.js
new file mode 100644
index 0000000000..2dc767ff6c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atanh/atanh-specialVals.js
@@ -0,0 +1,33 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Math.atanh with special values
+es6id: 20.2.2.7
+---*/
+
+assert.sameValue(Math.atanh(-1.9), Number.NaN,
+  "Math.atanh produces incorrect output for -1.9");
+assert.sameValue(Math.atanh(NaN), Number.NaN,
+  "Math.atanh produces incorrect output for NaN");
+assert.sameValue(Math.atanh(-10), Number.NaN,
+  "Math.atanh produces incorrect output for -10");
+assert.sameValue(Math.atanh(-Infinity), Number.NaN,
+  "Math.atanh produces incorrect output for -Infinity");
+assert.sameValue(Math.atanh(1.9), Number.NaN,
+  "Math.atanh produces incorrect output for 1.9");
+assert.sameValue(Math.atanh(10), Number.NaN,
+  "Math.atanh produces incorrect output for 10");
+assert.sameValue(Math.atanh(Number.POSITIVE_INFINITY), Number.NaN,
+  "Math.atanh produces incorrect output for Number.POSITIVE_INFINITY");
+
+assert.sameValue(Math.atanh(-1), Number.NEGATIVE_INFINITY,
+  "Math.atanh should produce negative infinity for -1");
+assert.sameValue(Math.atanh(+1), Number.POSITIVE_INFINITY,
+  "Math.atanh should produce positive infinity for +1");
+assert.sameValue(1 / Math.atanh(-0), Number.NEGATIVE_INFINITY,
+  "Math.atanh should produce -0 for -0");
+assert.sameValue(1 / Math.atanh(0), Number.POSITIVE_INFINITY,
+  "Math.atanh should produce +0 for +0");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atanh/browser.js b/js/src/tests/test262/built-ins/Math/atanh/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/atanh/length.js b/js/src/tests/test262/built-ins/Math/atanh/length.js
new file mode 100644
index 0000000000..7836a19735
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atanh/length.js
@@ -0,0 +1,30 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: length property of Math.atanh
+es6id: 20.2.2.7
+info: |
+  Math.atanh ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.atanh.length, 1);
+
+verifyNotEnumerable(Math.atanh, "length");
+verifyNotWritable(Math.atanh, "length");
+verifyConfigurable(Math.atanh, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atanh/name.js b/js/src/tests/test262/built-ins/Math/atanh/name.js
new file mode 100644
index 0000000000..f62a0884df
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atanh/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.7
+description: >
+  Math.atanh.name is "atanh".
+info: |
+  Math.atanh ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.atanh.name, "atanh");
+
+verifyNotEnumerable(Math.atanh, "name");
+verifyNotWritable(Math.atanh, "name");
+verifyConfigurable(Math.atanh, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atanh/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/atanh/not-a-constructor.js
new file mode 100644
index 0000000000..1dd566de55
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atanh/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.atanh does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.atanh), false, 'isConstructor(Math.atanh) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.atanh();
+}, '`new Math.atanh()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atanh/prop-desc.js b/js/src/tests/test262/built-ins/Math/atanh/prop-desc.js
new file mode 100644
index 0000000000..e9335830bf
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atanh/prop-desc.js
@@ -0,0 +1,14 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Testing descriptor property of Math.atanh
+includes: [propertyHelper.js]
+es6id: 20.2.2.7
+---*/
+
+verifyNotEnumerable(Math, "atanh");
+verifyWritable(Math, "atanh");
+verifyConfigurable(Math, "atanh");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/atanh/shell.js b/js/src/tests/test262/built-ins/Math/atanh/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atanh/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/browser.js b/js/src/tests/test262/built-ins/Math/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/cbrt/browser.js b/js/src/tests/test262/built-ins/Math/cbrt/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/cbrt/cbrt-specialValues.js b/js/src/tests/test262/built-ins/Math/cbrt/cbrt-specialValues.js
new file mode 100644
index 0000000000..c31dc1a2a2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cbrt/cbrt-specialValues.js
@@ -0,0 +1,20 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Math.cbrt with special values
+es6id: 20.2.2.9
+---*/
+
+assert.sameValue(Math.cbrt(NaN), Number.NaN,
+  "Math.cbrt produces incorrect output for NaN");
+assert.sameValue(Math.cbrt(Number.NEGATIVE_INFINITY), Number.NEGATIVE_INFINITY,
+  "Math.cbrt should produce negative infinity for Number.NEGATIVE_INFINITY");
+assert.sameValue(Math.cbrt(Number.POSITIVE_INFINITY), Number.POSITIVE_INFINITY,
+  "Math.cbrt should produce positive infinity for Number.POSITIVE_INFINITY");
+assert.sameValue(1 / Math.cbrt(-0), Number.NEGATIVE_INFINITY,
+  "Math.cbrt should produce -0 for -0");
+assert.sameValue(1 / Math.cbrt(0), Number.POSITIVE_INFINITY,
+  "Math.cbrt should produce +0 for +0");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cbrt/length.js b/js/src/tests/test262/built-ins/Math/cbrt/length.js
new file mode 100644
index 0000000000..254fc702d8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cbrt/length.js
@@ -0,0 +1,30 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: length property of Math.cbrt
+es6id: 20.2.2.9
+info: |
+  Math.cbrt ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.cbrt.length, 1);
+
+verifyNotEnumerable(Math.cbrt, "length");
+verifyNotWritable(Math.cbrt, "length");
+verifyConfigurable(Math.cbrt, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cbrt/name.js b/js/src/tests/test262/built-ins/Math/cbrt/name.js
new file mode 100644
index 0000000000..d6262036b4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cbrt/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.9
+description: >
+  Math.cbrt.name is "cbrt".
+info: |
+  Math.cbrt ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.cbrt.name, "cbrt");
+
+verifyNotEnumerable(Math.cbrt, "name");
+verifyNotWritable(Math.cbrt, "name");
+verifyConfigurable(Math.cbrt, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cbrt/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/cbrt/not-a-constructor.js
new file mode 100644
index 0000000000..39b62b8f1c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cbrt/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.cbrt does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.cbrt), false, 'isConstructor(Math.cbrt) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.cbrt();
+}, '`new Math.cbrt()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cbrt/prop-desc.js b/js/src/tests/test262/built-ins/Math/cbrt/prop-desc.js
new file mode 100644
index 0000000000..a1848425b0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cbrt/prop-desc.js
@@ -0,0 +1,14 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Testing descriptor property of Math.cbrt
+includes: [propertyHelper.js]
+es6id: 20.2.2.9
+---*/
+
+verifyNotEnumerable(Math, "cbrt");
+verifyWritable(Math, "cbrt");
+verifyConfigurable(Math, "cbrt");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cbrt/shell.js b/js/src/tests/test262/built-ins/Math/cbrt/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cbrt/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A1.js b/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A1.js
new file mode 100644
index 0000000000..b2033ef097
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A1.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is NaN, Math.ceil(x) is NaN
+es5id: 15.8.2.6_A1
+description: Checking if Math.ceil(NaN) is NaN
+---*/
+
+assert.sameValue(Math.ceil(NaN), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A2.js b/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A2.js
new file mode 100644
index 0000000000..967d755a3b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A2.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +0, Math.ceil(x) is +0
+es5id: 15.8.2.6_A2
+description: Checking if Math.ceil(x) is +0, where x is +0
+---*/
+
+assert.sameValue(Math.ceil(0), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A3.js b/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A3.js
new file mode 100644
index 0000000000..a6ffadfe18
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A3.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -0, Math.ceil(x) is -0
+es5id: 15.8.2.6_A3
+description: Checking if Math.ceil(x) is -0, where x is -0
+---*/
+
+assert.sameValue(Math.ceil(-0), -0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A4.js b/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A4.js
new file mode 100644
index 0000000000..a7ab010f27
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A4.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +Infinity, Math.ceil(x) is +Infinity
+es5id: 15.8.2.6_A4
+description: Checking if Math.ceil(x) is +Infinity, where x is +Infinity
+---*/
+
+// CHECK#1
+var x = +Infinity;
+assert.sameValue(Math.ceil(x), +Infinity, 'Math.ceil(+Infinity) must return +Infinity');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A5.js b/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A5.js
new file mode 100644
index 0000000000..31f906be45
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A5.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -Infinity, Math.ceil(x) is -Infinity
+es5id: 15.8.2.6_A5
+description: Checking if Math.ceil(x) is -Infinity, where x is -Infinity
+---*/
+
+// CHECK#1
+var x = -Infinity;
+assert.sameValue(Math.ceil(x), -Infinity, 'Math.ceil(-Infinity) must return -Infinity');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A6.js b/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A6.js
new file mode 100644
index 0000000000..7304f1315d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A6.js
@@ -0,0 +1,16 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is less than 0 but greater than -1, Math.ceil(x) is -0
+es5id: 15.8.2.6_A6
+description: >
+    Checking if Math.ceil(x) is -0, where x is less than 0 but greater
+    than -1
+---*/
+
+assert.sameValue(Math.ceil(-0.000000000000001), -0, "-0.000000000000001");
+assert.sameValue(Math.ceil(-0.999999999999999), -0, "-0.999999999999999");
+assert.sameValue(Math.ceil(-0.5), -0, "-0.5");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A7.js b/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A7.js
new file mode 100644
index 0000000000..b5e16d9fb6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/ceil/S15.8.2.6_A7.js
@@ -0,0 +1,19 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: The value of Math.ceil(x) is the same as the value of -Math.floor(-x)
+es5id: 15.8.2.6_A7
+description: >
+    Checking if Math.ceil(x) equals to -Math.floor(-x) on 2000
+    floating point argument values
+---*/
+
+// CHECK#1
+for (var i = -1000; i < 1000; i++)
+{
+  var x = i / 10.0;
+  assert.sameValue(Math.ceil(x), -Math.floor(-x), 'Math.ceil(i / 10.0) must return -Math.floor(-x)');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/ceil/browser.js b/js/src/tests/test262/built-ins/Math/ceil/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/ceil/length.js b/js/src/tests/test262/built-ins/Math/ceil/length.js
new file mode 100644
index 0000000000..c8717de985
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/ceil/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.10
+description: >
+  Math.ceil.length is 1.
+info: |
+  Math.ceil ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.ceil.length, 1);
+
+verifyNotEnumerable(Math.ceil, "length");
+verifyNotWritable(Math.ceil, "length");
+verifyConfigurable(Math.ceil, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/ceil/name.js b/js/src/tests/test262/built-ins/Math/ceil/name.js
new file mode 100644
index 0000000000..df08f67866
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/ceil/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.10
+description: >
+  Math.ceil.name is "ceil".
+info: |
+  Math.ceil ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.ceil.name, "ceil");
+
+verifyNotEnumerable(Math.ceil, "name");
+verifyNotWritable(Math.ceil, "name");
+verifyConfigurable(Math.ceil, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/ceil/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/ceil/not-a-constructor.js
new file mode 100644
index 0000000000..8e2861138f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/ceil/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.ceil does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.ceil), false, 'isConstructor(Math.ceil) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.ceil();
+}, '`new Math.ceil()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/ceil/prop-desc.js b/js/src/tests/test262/built-ins/Math/ceil/prop-desc.js
new file mode 100644
index 0000000000..2f4aef196b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/ceil/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.ceil
+description: >
+  "ceil" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "ceil");
+verifyWritable(Math, "ceil");
+verifyConfigurable(Math, "ceil");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/ceil/shell.js b/js/src/tests/test262/built-ins/Math/ceil/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/ceil/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/clz32/Math.clz32.js b/js/src/tests/test262/built-ins/Math/clz32/Math.clz32.js
new file mode 100644
index 0000000000..d73dec8999
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/clz32/Math.clz32.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.11
+author: Ryan Lewis
+description: Math.clz32 should return 32 if passed 0.
+---*/
+
+assert.sameValue(Math.clz32(0), 32, 'Math.clz32(0)');
+assert.sameValue(Math.clz32(-0), 32, 'Math.clz32(-0)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/clz32/Math.clz32_1.js b/js/src/tests/test262/built-ins/Math/clz32/Math.clz32_1.js
new file mode 100644
index 0000000000..bdae08044f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/clz32/Math.clz32_1.js
@@ -0,0 +1,12 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.11
+author: Ryan Lewis
+description: Math.clz32 should return 31 if passed 1.
+---*/
+
+assert.sameValue(Math.clz32(1), 31, 'Math.clz32(1)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/clz32/Math.clz32_2.js b/js/src/tests/test262/built-ins/Math/clz32/Math.clz32_2.js
new file mode 100644
index 0000000000..b5e2fd8804
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/clz32/Math.clz32_2.js
@@ -0,0 +1,12 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.11
+author: Ryan Lewis
+description: Math.clz32 should return 0 if passed 2147483648
+---*/
+
+assert.sameValue(Math.clz32(2147483648), 0, 'Math.clz32(2147483648)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/clz32/browser.js b/js/src/tests/test262/built-ins/Math/clz32/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/clz32/infinity.js b/js/src/tests/test262/built-ins/Math/clz32/infinity.js
new file mode 100644
index 0000000000..87c6b6805e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/clz32/infinity.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2016 The V8 Project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.clz32
+description: >
+  Return 32 if x is Infinity or -Infinity
+info: |
+  Math.clz32 ( x )
+
+  1. Let n be ToUint32(x).
+  2. Let p be the number of leading zero bits in the 32-bit binary representation of n.
+  3. Return p.
+
+  7.1.6 ToUint32 ( argument )
+
+  [...]
+  2. If number is NaN, +0, -0, +∞, or -∞, return +0.
+  [...]
+---*/
+
+assert.sameValue(Math.clz32(Infinity), 32, "Infinity");
+assert.sameValue(Math.clz32(-Infinity), 32, "-Infinity");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/clz32/int32bit.js b/js/src/tests/test262/built-ins/Math/clz32/int32bit.js
new file mode 100644
index 0000000000..b1056a6e7f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/clz32/int32bit.js
@@ -0,0 +1,49 @@
+// Copyright (C) 2016 The V8 Project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.clz32
+description: >
+  Catches the int32bit value in the ToUint32 operation
+info: |
+  Math.clz32 ( x )
+
+  1. Let n be ToUint32(x).
+  2. Let p be the number of leading zero bits in the 32-bit binary representation of n.
+  3. Return p.
+
+  7.1.6 ToUint32 ( argument )
+
+  [...]
+  3. Let int be the mathematical value that is the same sign as number and whose
+  magnitude is floor(abs(number)).
+  4. Let int32bit be int modulo 232.
+  5. Return int32bit.
+  [...]
+---*/
+
+assert.sameValue(Math.clz32(4294967295), 0, "2**32-1");
+assert.sameValue(Math.clz32(4294967296), 32, "2**32");
+assert.sameValue(Math.clz32(4294967297), 31, "2**32+1");
+
+assert.sameValue(Math.clz32(65535), 16, "2**16-1");
+assert.sameValue(Math.clz32(65536), 15, "2**16");
+assert.sameValue(Math.clz32(65537), 15, "2**16+1");
+
+assert.sameValue(Math.clz32(255), 24, "2**8-1");
+assert.sameValue(Math.clz32(256), 23, "2**8");
+assert.sameValue(Math.clz32(257), 23, "2**8+1");
+
+assert.sameValue(Math.clz32(-4294967295), 31, "-(2**32-1)");
+assert.sameValue(Math.clz32(-4294967296), 32, "-(2**32)");
+assert.sameValue(Math.clz32(-4294967297), 0, "-(2**32+1)");
+
+assert.sameValue(Math.clz32(-65535), 0, "-(2**16-1)");
+assert.sameValue(Math.clz32(-65536), 0, "-(2**16)");
+assert.sameValue(Math.clz32(-65537), 0, "-(2**16+1)");
+
+assert.sameValue(Math.clz32(-255), 0, "-(2**8-1)");
+assert.sameValue(Math.clz32(-256), 0, "-(2**8)");
+assert.sameValue(Math.clz32(-257), 0, "-(2**8+1)");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/clz32/length.js b/js/src/tests/test262/built-ins/Math/clz32/length.js
new file mode 100644
index 0000000000..038975b13d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/clz32/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.11
+description: >
+  Math.clz32.length is 1.
+info: |
+  Math.clz32 ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.clz32.length, 1);
+
+verifyNotEnumerable(Math.clz32, "length");
+verifyNotWritable(Math.clz32, "length");
+verifyConfigurable(Math.clz32, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/clz32/name.js b/js/src/tests/test262/built-ins/Math/clz32/name.js
new file mode 100644
index 0000000000..2862f87439
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/clz32/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.11
+description: >
+  Math.clz32.name is "clz32".
+info: |
+  Math.clz32 ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.clz32.name, "clz32");
+
+verifyNotEnumerable(Math.clz32, "name");
+verifyNotWritable(Math.clz32, "name");
+verifyConfigurable(Math.clz32, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/clz32/nan.js b/js/src/tests/test262/built-ins/Math/clz32/nan.js
new file mode 100644
index 0000000000..9f1e044138
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/clz32/nan.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2016 The V8 Project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.clz32
+description: >
+  Return 32 if x is NaN
+info: |
+  Math.clz32 ( x )
+
+  1. Let n be ToUint32(x).
+  2. Let p be the number of leading zero bits in the 32-bit binary representation of n.
+  3. Return p.
+
+  7.1.6 ToUint32 ( argument )
+
+  [...]
+  2. If number is NaN, +0, -0, +∞, or -∞, return +0.
+  [...]
+---*/
+
+assert.sameValue(Math.clz32(NaN), 32);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/clz32/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/clz32/not-a-constructor.js
new file mode 100644
index 0000000000..2bff88114f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/clz32/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.clz32 does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.clz32), false, 'isConstructor(Math.clz32) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.clz32();
+}, '`new Math.clz32()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/clz32/prop-desc.js b/js/src/tests/test262/built-ins/Math/clz32/prop-desc.js
new file mode 100644
index 0000000000..96617d887a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/clz32/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.clz32
+description: >
+  "clz32" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "clz32");
+verifyWritable(Math, "clz32");
+verifyConfigurable(Math, "clz32");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/clz32/shell.js b/js/src/tests/test262/built-ins/Math/clz32/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/clz32/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/cos/S15.8.2.7_A1.js b/js/src/tests/test262/built-ins/Math/cos/S15.8.2.7_A1.js
new file mode 100644
index 0000000000..157bb8a147
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cos/S15.8.2.7_A1.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is NaN, Math.cos(x) is NaN
+es5id: 15.8.2.7_A1
+description: Checking if Math.cos(NaN) is NaN
+---*/
+
+assert.sameValue(Math.cos(NaN), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cos/S15.8.2.7_A2.js b/js/src/tests/test262/built-ins/Math/cos/S15.8.2.7_A2.js
new file mode 100644
index 0000000000..17ea8f4796
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cos/S15.8.2.7_A2.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +0, Math.cos(x) is 1
+es5id: 15.8.2.7_A2
+description: Checking if Math.cos(+0) is 1
+---*/
+
+// CHECK#1
+var x = +0;
+assert.sameValue(Math.cos(x), 1, 'Math.cos(+0) must return 1');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cos/S15.8.2.7_A3.js b/js/src/tests/test262/built-ins/Math/cos/S15.8.2.7_A3.js
new file mode 100644
index 0000000000..51988dbccc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cos/S15.8.2.7_A3.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -0, Math.cos(x) is 1
+es5id: 15.8.2.7_A3
+description: Checking if Math.cos(-0) is 1
+---*/
+
+// CHECK#1
+var x = -0;
+assert.sameValue(Math.cos(x), 1, 'Math.cos(-0) must return 1');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cos/S15.8.2.7_A4.js b/js/src/tests/test262/built-ins/Math/cos/S15.8.2.7_A4.js
new file mode 100644
index 0000000000..faaae0a6cc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cos/S15.8.2.7_A4.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +Infinity, Math.cos(x) is NaN
+es5id: 15.8.2.7_A4
+description: Checking if Math.cos(+Infinity) is NaN
+---*/
+
+assert.sameValue(Math.cos(Infinity), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cos/S15.8.2.7_A5.js b/js/src/tests/test262/built-ins/Math/cos/S15.8.2.7_A5.js
new file mode 100644
index 0000000000..4c02c474b2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cos/S15.8.2.7_A5.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -Infinity, Math.cos(x) is NaN
+es5id: 15.8.2.7_A5
+description: Checking if Math.cos(-Infinity) is NaN
+---*/
+
+assert.sameValue(Math.cos(-Infinity), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cos/browser.js b/js/src/tests/test262/built-ins/Math/cos/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/cos/length.js b/js/src/tests/test262/built-ins/Math/cos/length.js
new file mode 100644
index 0000000000..b41d87ef73
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cos/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.12
+description: >
+  Math.cos.length is 1.
+info: |
+  Math.cos ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.cos.length, 1);
+
+verifyNotEnumerable(Math.cos, "length");
+verifyNotWritable(Math.cos, "length");
+verifyConfigurable(Math.cos, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cos/name.js b/js/src/tests/test262/built-ins/Math/cos/name.js
new file mode 100644
index 0000000000..88be1490d8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cos/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.12
+description: >
+  Math.cos.name is "cos".
+info: |
+  Math.cos ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.cos.name, "cos");
+
+verifyNotEnumerable(Math.cos, "name");
+verifyNotWritable(Math.cos, "name");
+verifyConfigurable(Math.cos, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cos/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/cos/not-a-constructor.js
new file mode 100644
index 0000000000..e86a689ccb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cos/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.cos does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.cos), false, 'isConstructor(Math.cos) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.cos();
+}, '`new Math.cos()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cos/prop-desc.js b/js/src/tests/test262/built-ins/Math/cos/prop-desc.js
new file mode 100644
index 0000000000..91532c0408
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cos/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.cos
+description: >
+  "cos" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "cos");
+verifyWritable(Math, "cos");
+verifyConfigurable(Math, "cos");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cos/shell.js b/js/src/tests/test262/built-ins/Math/cos/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cos/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/cosh/browser.js b/js/src/tests/test262/built-ins/Math/cosh/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/cosh/cosh-specialVals.js b/js/src/tests/test262/built-ins/Math/cosh/cosh-specialVals.js
new file mode 100644
index 0000000000..1c78047259
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cosh/cosh-specialVals.js
@@ -0,0 +1,18 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Math.cosh with special values
+es6id: 20.2.2.13
+---*/
+
+assert.sameValue(Math.cosh(NaN), Number.NaN,
+  "Math.cosh produces incorrect output for NaN");
+assert.sameValue(Math.cosh(0), 1, "Math.cosh should produce 1 for input = 0");
+assert.sameValue(Math.cosh(-0), 1, "Math.cosh should produce 1 for input = -0");
+assert.sameValue(Math.cosh(Number.NEGATIVE_INFINITY), Number.POSITIVE_INFINITY,
+  "Math.cosh should produce Number.POSITIVE_INFINITY for Number.NEGATIVE_INFINITY");
+assert.sameValue(Math.cosh(Number.POSITIVE_INFINITY), Number.POSITIVE_INFINITY,
+  "Math.cosh should produce Number.POSITIVE_INFINITY for Number.POSITIVE_INFINITY");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cosh/length.js b/js/src/tests/test262/built-ins/Math/cosh/length.js
new file mode 100644
index 0000000000..6c64935887
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cosh/length.js
@@ -0,0 +1,27 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.13
+description: Length property of Math.cosh is 1
+info: |
+  Math.cosh ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.cosh.length, 1);
+
+verifyNotEnumerable(Math.cosh, "length");
+verifyNotWritable(Math.cosh, "length");
+verifyConfigurable(Math.cosh, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cosh/name.js b/js/src/tests/test262/built-ins/Math/cosh/name.js
new file mode 100644
index 0000000000..161ed02e3a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cosh/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.13
+description: >
+  Math.cosh.name is "cosh".
+info: |
+  Math.cosh ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.cosh.name, "cosh");
+
+verifyNotEnumerable(Math.cosh, "name");
+verifyNotWritable(Math.cosh, "name");
+verifyConfigurable(Math.cosh, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cosh/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/cosh/not-a-constructor.js
new file mode 100644
index 0000000000..8cda77d866
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cosh/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.cosh does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.cosh), false, 'isConstructor(Math.cosh) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.cosh();
+}, '`new Math.cosh()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cosh/prop-desc.js b/js/src/tests/test262/built-ins/Math/cosh/prop-desc.js
new file mode 100644
index 0000000000..babc6f8380
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cosh/prop-desc.js
@@ -0,0 +1,14 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Testing descriptor property of Math.cosh
+includes: [propertyHelper.js]
+es6id: 20.2.2.13
+---*/
+
+verifyNotEnumerable(Math, "cosh");
+verifyWritable(Math, "cosh");
+verifyConfigurable(Math, "cosh");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/cosh/shell.js b/js/src/tests/test262/built-ins/Math/cosh/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/cosh/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/exp/S15.8.2.8_A1.js b/js/src/tests/test262/built-ins/Math/exp/S15.8.2.8_A1.js
new file mode 100644
index 0000000000..a67441ece2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/exp/S15.8.2.8_A1.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is NaN, Math.exp(x) is NaN
+es5id: 15.8.2.8_A1
+description: Checking if Math.exp(NaN) is NaN
+---*/
+
+assert.sameValue(Math.exp(NaN), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/exp/S15.8.2.8_A2.js b/js/src/tests/test262/built-ins/Math/exp/S15.8.2.8_A2.js
new file mode 100644
index 0000000000..66e694b3e3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/exp/S15.8.2.8_A2.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +0, Math.exp(x) is 1
+es5id: 15.8.2.8_A2
+description: Checking if Math.exp(+0) is 1
+---*/
+
+// CHECK#1
+var x = +0;
+assert.sameValue(Math.exp(x), 1, 'Math.exp(+0) must return 1');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/exp/S15.8.2.8_A3.js b/js/src/tests/test262/built-ins/Math/exp/S15.8.2.8_A3.js
new file mode 100644
index 0000000000..3b0d7a8ef2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/exp/S15.8.2.8_A3.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -0, Math.exp(x) is 1
+es5id: 15.8.2.8_A3
+description: Checking if Math.exp(-0) is 1
+---*/
+
+// CHECK#1
+var x = -0;
+assert.sameValue(Math.exp(x), 1, 'Math.exp(-0) must return 1');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/exp/S15.8.2.8_A4.js b/js/src/tests/test262/built-ins/Math/exp/S15.8.2.8_A4.js
new file mode 100644
index 0000000000..b4d8983136
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/exp/S15.8.2.8_A4.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +Infinity, Math.exp(x) is +Ifinity
+es5id: 15.8.2.8_A4
+description: Checking if Math.exp(+Infinity) is +Ifinity
+---*/
+
+// CHECK#1
+var x = +Infinity;
+assert.sameValue(Math.exp(x), +Infinity, 'Math.exp(+Infinity) must return +Infinity');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/exp/S15.8.2.8_A5.js b/js/src/tests/test262/built-ins/Math/exp/S15.8.2.8_A5.js
new file mode 100644
index 0000000000..2506e07514
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/exp/S15.8.2.8_A5.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -Infinity, Math.exp(x) is +0
+es5id: 15.8.2.8_A5
+description: Checking if Math.exp(-Infinity) is +0
+---*/
+
+assert.sameValue(Math.exp(-Infinity), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/exp/browser.js b/js/src/tests/test262/built-ins/Math/exp/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/exp/length.js b/js/src/tests/test262/built-ins/Math/exp/length.js
new file mode 100644
index 0000000000..1f90dbf228
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/exp/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.14
+description: >
+  Math.exp.length is 1.
+info: |
+  Math.exp ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.exp.length, 1);
+
+verifyNotEnumerable(Math.exp, "length");
+verifyNotWritable(Math.exp, "length");
+verifyConfigurable(Math.exp, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/exp/name.js b/js/src/tests/test262/built-ins/Math/exp/name.js
new file mode 100644
index 0000000000..9f0ec90ebb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/exp/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.14
+description: >
+  Math.exp.name is "exp".
+info: |
+  Math.exp ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.exp.name, "exp");
+
+verifyNotEnumerable(Math.exp, "name");
+verifyNotWritable(Math.exp, "name");
+verifyConfigurable(Math.exp, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/exp/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/exp/not-a-constructor.js
new file mode 100644
index 0000000000..9d956e7bcb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/exp/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.exp does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.exp), false, 'isConstructor(Math.exp) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.exp();
+}, '`new Math.exp()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/exp/prop-desc.js b/js/src/tests/test262/built-ins/Math/exp/prop-desc.js
new file mode 100644
index 0000000000..d63d3d3d8f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/exp/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.exp
+description: >
+  "exp" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "exp");
+verifyWritable(Math, "exp");
+verifyConfigurable(Math, "exp");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/exp/shell.js b/js/src/tests/test262/built-ins/Math/exp/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/exp/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/expm1/browser.js b/js/src/tests/test262/built-ins/Math/expm1/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/expm1/expm1-specialVals.js b/js/src/tests/test262/built-ins/Math/expm1/expm1-specialVals.js
new file mode 100644
index 0000000000..10c9329a59
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/expm1/expm1-specialVals.js
@@ -0,0 +1,20 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Math.expm1 with sample values.
+es6id: 20.2.2.15
+---*/
+
+assert.sameValue(Math.expm1(NaN), Number.NaN,
+  "Math.expm1 produces incorrect output for NaN");
+assert.sameValue(Math.expm1(Number.NEGATIVE_INFINITY), -1,
+  "Math.expm1 should produce -1 for Number.NEGATIVE_INFINITY");
+assert.sameValue(Math.expm1(Number.POSITIVE_INFINITY), Number.POSITIVE_INFINITY,
+  "Math.expm1 should produce POSITIVE infinity for Number.POSITIVE_INFINITY");
+assert.sameValue(1 / Math.expm1(-0), Number.NEGATIVE_INFINITY,
+  "Math.expm1 should produce -0 for -0");
+assert.sameValue(1 / Math.expm1(0), Number.POSITIVE_INFINITY,
+  "Math.expm1 should produce +0 for +0");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/expm1/length.js b/js/src/tests/test262/built-ins/Math/expm1/length.js
new file mode 100644
index 0000000000..ead3c57638
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/expm1/length.js
@@ -0,0 +1,30 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: length property of Math.expm1
+es6id: 20.2.2.15
+info: |
+  Math.expm1 ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.expm1.length, 1);
+
+verifyNotEnumerable(Math.expm1, "length");
+verifyNotWritable(Math.expm1, "length");
+verifyConfigurable(Math.expm1, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/expm1/name.js b/js/src/tests/test262/built-ins/Math/expm1/name.js
new file mode 100644
index 0000000000..698bdc19c0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/expm1/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.15
+description: >
+  Math.expm1.name is "expm1".
+info: |
+  Math.expm1 ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.expm1.name, "expm1");
+
+verifyNotEnumerable(Math.expm1, "name");
+verifyNotWritable(Math.expm1, "name");
+verifyConfigurable(Math.expm1, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/expm1/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/expm1/not-a-constructor.js
new file mode 100644
index 0000000000..d0b9a18935
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/expm1/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.expm1 does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.expm1), false, 'isConstructor(Math.expm1) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.expm1();
+}, '`new Math.expm1()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/expm1/prop-desc.js b/js/src/tests/test262/built-ins/Math/expm1/prop-desc.js
new file mode 100644
index 0000000000..cf0a3bd6b3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/expm1/prop-desc.js
@@ -0,0 +1,14 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Testing descriptor property of Math.expm1
+includes: [propertyHelper.js]
+es6id: 20.2.2.15
+---*/
+
+verifyNotEnumerable(Math, "expm1");
+verifyWritable(Math, "expm1");
+verifyConfigurable(Math, "expm1");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/expm1/shell.js b/js/src/tests/test262/built-ins/Math/expm1/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/expm1/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A1.js b/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A1.js
new file mode 100644
index 0000000000..01175969e0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A1.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is NaN, Math.floor(x) is NaN
+es5id: 15.8.2.9_A1
+description: Checking if Math.floor(NaN) is NaN
+---*/
+
+assert.sameValue(Math.floor(NaN), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A2.js b/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A2.js
new file mode 100644
index 0000000000..497cec4306
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A2.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +0, Math.floor(x) is +0
+es5id: 15.8.2.9_A2
+description: Checking if Math.floor(x) is +0, where x is +0
+---*/
+
+assert.sameValue(Math.floor(0), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A3.js b/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A3.js
new file mode 100644
index 0000000000..cb473f917f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A3.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -0, Math.floor(x) is -0
+es5id: 15.8.2.9_A3
+description: Checking if Math.floor(x) is -0, where x is -0
+---*/
+
+assert.sameValue(Math.floor(-0), -0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A4.js b/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A4.js
new file mode 100644
index 0000000000..4fd94629fb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A4.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +Infinity, Math.floor(x) is +Infinity
+es5id: 15.8.2.9_A4
+description: Checking if Math.floor(x) is +Infinity, where x is +Infinity
+---*/
+
+// CHECK#1
+var x = +Infinity;
+assert.sameValue(Math.floor(x), +Infinity, 'Math.floor(+Infinity) must return +Infinity');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A5.js b/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A5.js
new file mode 100644
index 0000000000..619e760c45
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A5.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -Infinity, Math.floor(x) is -Infinity
+es5id: 15.8.2.9_A5
+description: Checking if Math.floor(x) is -Infinity, where x is -Infinity
+---*/
+
+// CHECK#1
+var x = -Infinity;
+assert.sameValue(Math.floor(x), -Infinity, 'Math.floor(-Infinity) must return -Infinity');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A6.js b/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A6.js
new file mode 100644
index 0000000000..0c8e0c7138
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A6.js
@@ -0,0 +1,16 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is greater than 0 but less than 1, Math.floor(x) is +0
+es5id: 15.8.2.9_A6
+description: >
+    Checking if Math.floor(x) is +0, where x is greater than 0 but
+    less than 1
+---*/
+
+assert.sameValue(Math.floor(0.000000000000001), 0, "0.000000000000001");
+assert.sameValue(Math.floor(0.999999999999999), 0, "0.999999999999999");
+assert.sameValue(Math.floor(0.5), 0, "0.5");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A7.js b/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A7.js
new file mode 100644
index 0000000000..d14ebc208c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/floor/S15.8.2.9_A7.js
@@ -0,0 +1,24 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: The value of Math.floor(x) is the same as the value of -Math.ceil(-x)
+es5id: 15.8.2.9_A7
+description: >
+    Checking if Math.floor(x) is equal to -Math.ceil(-x) on 2000
+    floating-point argument values
+---*/
+
+// CHECK#1
+for (var i = -1000; i < 1000; i++)
+{
+  var x = i / 10.0;
+
+  assert.sameValue(
+    -Math.ceil(-x),
+    Math.floor(x),
+    'The value of `-Math.ceil(-x)` must return the same value returned by Math.floor(x)'
+  );
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/floor/browser.js b/js/src/tests/test262/built-ins/Math/floor/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/floor/length.js b/js/src/tests/test262/built-ins/Math/floor/length.js
new file mode 100644
index 0000000000..ee66afc021
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/floor/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.16
+description: >
+  Math.floor.length is 1.
+info: |
+  Math.floor ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.floor.length, 1);
+
+verifyNotEnumerable(Math.floor, "length");
+verifyNotWritable(Math.floor, "length");
+verifyConfigurable(Math.floor, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/floor/name.js b/js/src/tests/test262/built-ins/Math/floor/name.js
new file mode 100644
index 0000000000..4b08a81688
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/floor/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.16
+description: >
+  Math.floor.name is "floor".
+info: |
+  Math.floor ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.floor.name, "floor");
+
+verifyNotEnumerable(Math.floor, "name");
+verifyNotWritable(Math.floor, "name");
+verifyConfigurable(Math.floor, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/floor/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/floor/not-a-constructor.js
new file mode 100644
index 0000000000..140a726d16
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/floor/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.floor does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.floor), false, 'isConstructor(Math.floor) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.floor();
+}, '`new Math.floor()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/floor/prop-desc.js b/js/src/tests/test262/built-ins/Math/floor/prop-desc.js
new file mode 100644
index 0000000000..7e2434480d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/floor/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.floor
+description: >
+  "floor" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "floor");
+verifyWritable(Math, "floor");
+verifyConfigurable(Math, "floor");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/floor/shell.js b/js/src/tests/test262/built-ins/Math/floor/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/floor/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/fround/Math.fround_Infinity.js b/js/src/tests/test262/built-ins/Math/fround/Math.fround_Infinity.js
new file mode 100644
index 0000000000..07230c73ee
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/fround/Math.fround_Infinity.js
@@ -0,0 +1,12 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.17
+author: Ryan Lewis
+description: Math.fround should return Infinity if called with Infinity.
+---*/
+
+assert.sameValue(Math.fround(Infinity), Infinity, 'Math.fround(Infinity)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/fround/Math.fround_NaN.js b/js/src/tests/test262/built-ins/Math/fround/Math.fround_NaN.js
new file mode 100644
index 0000000000..6b17546e51
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/fround/Math.fround_NaN.js
@@ -0,0 +1,12 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.17
+author: Ryan Lewis
+description: Math.fround should return NaN if called with NaN.
+---*/
+
+assert.sameValue(Math.fround(NaN), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/fround/Math.fround_Zero.js b/js/src/tests/test262/built-ins/Math/fround/Math.fround_Zero.js
new file mode 100644
index 0000000000..a5dc6fd1df
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/fround/Math.fround_Zero.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.17
+author: Ryan Lewis
+description: Math.fround should return arg if called with 0 or -0.
+---*/
+
+assert.sameValue(Math.fround(0), 0, 'Math.fround(0)');
+assert.sameValue(Math.fround(-0), -0, 'Math.fround(-0)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/fround/browser.js b/js/src/tests/test262/built-ins/Math/fround/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/fround/length.js b/js/src/tests/test262/built-ins/Math/fround/length.js
new file mode 100644
index 0000000000..56190466ae
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/fround/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.17
+description: >
+  Math.fround.length is 1.
+info: |
+  Math.fround ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.fround.length, 1);
+
+verifyNotEnumerable(Math.fround, "length");
+verifyNotWritable(Math.fround, "length");
+verifyConfigurable(Math.fround, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/fround/name.js b/js/src/tests/test262/built-ins/Math/fround/name.js
new file mode 100644
index 0000000000..c1f5ac6270
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/fround/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.17
+description: >
+  Math.fround.name is "fround".
+info: |
+  Math.fround ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.fround.name, "fround");
+
+verifyNotEnumerable(Math.fround, "name");
+verifyNotWritable(Math.fround, "name");
+verifyConfigurable(Math.fround, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/fround/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/fround/not-a-constructor.js
new file mode 100644
index 0000000000..d82e346651
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/fround/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.fround does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.fround), false, 'isConstructor(Math.fround) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.fround();
+}, '`new Math.fround()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/fround/prop-desc.js b/js/src/tests/test262/built-ins/Math/fround/prop-desc.js
new file mode 100644
index 0000000000..6d58e1e118
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/fround/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.fround
+description: >
+  "fround" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "fround");
+verifyWritable(Math, "fround");
+verifyConfigurable(Math, "fround");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/fround/shell.js b/js/src/tests/test262/built-ins/Math/fround/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/fround/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/fround/ties.js b/js/src/tests/test262/built-ins/Math/fround/ties.js
new file mode 100644
index 0000000000..5fdb467369
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/fround/ties.js
@@ -0,0 +1,52 @@
+// Copyright (C) 2019 Tiancheng "Timothy" Gu. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-math.fround
+description: Math.fround should use roundTiesToEven for conversion to binary32.
+---*/
+
+// We test five values against Math.fround, with their binary64 representation
+// shown:
+// a0 := 1.0                = 0x1p+0
+// a1 := 1.0000000596046448 = 0x1.000001p+0
+// a2 := 1.0000001192092896 = 0x1.000002p+0
+// a3 := 1.0000001788139343 = 0x1.000003p+0
+// a4 := 1.000000238418579  = 0x1.000004p+0
+// a5 := 1.0000002980232239 = 0x1.000005p+0
+// a6 := 1.0000003576278687 = 0x1.000006p+0
+// (Note: they are separated by 2 ** -24.)
+//
+// a0, a2, a4, and a6 are all representable exactly in binary32; however, while
+// a0 and a4 have even mantissas in binary32, a2 and a6 have an odd mantissa
+// when represented in that way.
+//
+// a1 is exactly halfway between a0 and a2, a3 between a2 and a4, and a5
+// between a4 and a6. By roundTiesToEven, Math.fround should favor a0 and a4
+// over a2 when they are equally close, and a4 over a6 when they are equally
+// close.
+
+var a0 = 1.0;
+var a1 = 1.0000000596046448;
+var a2 = 1.0000001192092896;
+var a3 = 1.0000001788139343;
+var a4 = 1.000000238418579;
+var a5 = 1.0000002980232239;
+var a6 = 1.0000003576278687;
+
+assert.sameValue(Math.fround(a0), a0, 'Math.fround(a0)');
+assert.sameValue(Math.fround(a1), a0, 'Math.fround(a1)');
+assert.sameValue(Math.fround(a2), a2, 'Math.fround(a2)');
+assert.sameValue(Math.fround(a3), a4, 'Math.fround(a3)');
+assert.sameValue(Math.fround(a4), a4, 'Math.fround(a4)');
+assert.sameValue(Math.fround(a5), a4, 'Math.fround(a5)');
+assert.sameValue(Math.fround(a6), a6, 'Math.fround(a6)');
+
+assert.sameValue(Math.fround(-a0), -a0, 'Math.fround(-a0)');
+assert.sameValue(Math.fround(-a1), -a0, 'Math.fround(-a1)');
+assert.sameValue(Math.fround(-a2), -a2, 'Math.fround(-a2)');
+assert.sameValue(Math.fround(-a3), -a4, 'Math.fround(-a3)');
+assert.sameValue(Math.fround(-a4), -a4, 'Math.fround(-a4)');
+assert.sameValue(Math.fround(-a5), -a4, 'Math.fround(-a5)');
+assert.sameValue(Math.fround(-a6), -a6, 'Math.fround(-a6)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/fround/value-convertion.js b/js/src/tests/test262/built-ins/Math/fround/value-convertion.js
new file mode 100644
index 0000000000..98e6b9d4a3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/fround/value-convertion.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2016 The V8 Project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.fround
+description: >
+  Convert to binary32 format and than to binary64 format
+info: |
+  Math.fround ( x )
+
+  [...]
+  3. Let x32 be the result of converting x to a value in IEEE 754-2008 binary32
+  format using roundTiesToEven.
+  4. Let x64 be the result of converting x32 to a value in IEEE 754-2008
+  binary64 format.
+  5. Return the ECMAScript Number value corresponding to x64.
+---*/
+
+assert.sameValue(Math.fround(4294967295), 4294967296, "2**32-1");
+assert.sameValue(Math.fround(4294967296), 4294967296, "2**32");
+assert.sameValue(Math.fround(4294967297), 4294967296, "2**32+1");
+
+assert.sameValue(Math.fround(0.1), 0.10000000149011612, "0.1");
+assert.sameValue(Math.fround(0.2), 0.20000000298023224, "0.2");
+assert.sameValue(Math.fround(0.5), 0.5, "0.5");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_Infinity.js b/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_Infinity.js
new file mode 100644
index 0000000000..b1044692b2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_Infinity.js
@@ -0,0 +1,14 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.18
+author: Ryan Lewis
+description: >
+    Math.hypot should return Infinity if called with any argument that
+    is Infinity.
+---*/
+
+assert.sameValue(Math.hypot(3, Infinity), Infinity, 'Math.hypot(3, Infinity)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_InfinityNaN.js b/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_InfinityNaN.js
new file mode 100644
index 0000000000..d06561cdd2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_InfinityNaN.js
@@ -0,0 +1,14 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.18
+author: Ryan Lewis
+description: >
+    Math.hypot should return Infinity if called with any argument that
+    is Infinity.
+---*/
+
+assert.sameValue(Math.hypot(NaN, Infinity), Infinity, 'Math.hypot(NaN, Infinity)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_NaN.js b/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_NaN.js
new file mode 100644
index 0000000000..36260e96f3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_NaN.js
@@ -0,0 +1,14 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.18
+author: Ryan Lewis
+description: >
+    Math.hypot should return NaN if called with any argument that is
+    NaN.
+---*/
+
+assert.sameValue(Math.hypot(NaN, 3), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_NegInfinity.js b/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_NegInfinity.js
new file mode 100644
index 0000000000..5c4dd8566b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_NegInfinity.js
@@ -0,0 +1,14 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.18
+author: Ryan Lewis
+description: >
+    Math.hypot should return Infinity if called with any argument that
+    is -Infinity.
+---*/
+
+assert.sameValue(Math.hypot(3, -Infinity), Infinity, 'Math.hypot(3, -Infinity)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_NoArgs.js b/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_NoArgs.js
new file mode 100644
index 0000000000..328fd8de43
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_NoArgs.js
@@ -0,0 +1,12 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.18
+author: Ryan Lewis
+description: Math.hypot should return 0 if called with no arguments.
+---*/
+
+assert.sameValue(Math.hypot(), 0, 'Math.hypot()');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_Success_2.js b/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_Success_2.js
new file mode 100644
index 0000000000..15fcca9749
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_Success_2.js
@@ -0,0 +1,12 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.18
+author: Ryan Lewis
+description: Math.hypot should return 5 if called with 3 and 4.
+---*/
+
+assert.sameValue(Math.hypot(3, 4), 5, 'Math.hypot(3,4)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_ToNumberErr.js b/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_ToNumberErr.js
new file mode 100644
index 0000000000..ae2fc40f1b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_ToNumberErr.js
@@ -0,0 +1,37 @@
+// Copyright (c) 2021 Richard Gibson. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Math.hypot should coerce all arguments before inspecting them.
+esid: sec-math.hypot
+info: |
+  1. Let _coerced_ be a new empty List.
+  2. For each element _arg_ of _args_, do
+    a. Let _n_ be ? ToNumber(_arg_).
+    b. Append _n_ to _coerced_.
+  3. For each element _number_ of _coerced_, do
+---*/
+
+var counter = 0;
+
+assert.throws(
+  Test262Error,
+  function() {
+    Math.hypot(
+      Infinity,
+      -Infinity,
+      NaN,
+      0,
+      -0,
+      {valueOf: function(){ throw new Test262Error(); }},
+      {valueOf: function(){ counter++; }}
+    );
+  },
+  'Math.hypot propagates an abrupt completion from coercing an argument to Number'
+);
+
+assert.sameValue(counter, 0,
+    'Math.hypot aborts argument processing at the first abrupt completion');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_Zero_2.js b/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_Zero_2.js
new file mode 100644
index 0000000000..0e121bd021
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/hypot/Math.hypot_Zero_2.js
@@ -0,0 +1,19 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.hypot
+es6id: 20.2.2.18
+author: Ryan Lewis
+description: Math.hypot should return 0 if all arguments are 0 or -0.
+---*/
+
+assert.sameValue(Math.hypot(0), 0, 'Math.hypot(0)');
+assert.sameValue(Math.hypot(-0), 0, 'Math.hypot(-0)');
+assert.sameValue(Math.hypot(0, 0), 0, 'Math.hypot(0, 0)');
+assert.sameValue(Math.hypot(0, -0), 0, 'Math.hypot(0, -0)');
+assert.sameValue(Math.hypot(-0, 0), 0, 'Math.hypot(-0, 0)');
+assert.sameValue(Math.hypot(-0, -0), 0, 'Math.hypot(-0, -0)');
+assert.sameValue(Math.hypot(0, -0, -0), 0, 'Math.hypot(0, -0, -0)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/hypot/browser.js b/js/src/tests/test262/built-ins/Math/hypot/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/hypot/length.js b/js/src/tests/test262/built-ins/Math/hypot/length.js
new file mode 100644
index 0000000000..9800debc1a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/hypot/length.js
@@ -0,0 +1,31 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.18
+author: Ryan Lewis
+description: Math.hypot.length should return 2.
+info: |
+  Math.hypot ( value1, value2, ...values )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.hypot.length, 2);
+
+verifyNotEnumerable(Math.hypot, "length");
+verifyNotWritable(Math.hypot, "length");
+verifyConfigurable(Math.hypot, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/hypot/name.js b/js/src/tests/test262/built-ins/Math/hypot/name.js
new file mode 100644
index 0000000000..46d395ca06
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/hypot/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.18
+description: >
+  Math.hypot.name is "hypot".
+info: |
+  Math.hypot ( value1 , value2 , …values )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.hypot.name, "hypot");
+
+verifyNotEnumerable(Math.hypot, "name");
+verifyNotWritable(Math.hypot, "name");
+verifyConfigurable(Math.hypot, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/hypot/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/hypot/not-a-constructor.js
new file mode 100644
index 0000000000..21ff4ba634
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/hypot/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.hypot does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.hypot), false, 'isConstructor(Math.hypot) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.hypot();
+}, '`new Math.hypot()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/hypot/prop-desc.js b/js/src/tests/test262/built-ins/Math/hypot/prop-desc.js
new file mode 100644
index 0000000000..3161342511
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/hypot/prop-desc.js
@@ -0,0 +1,14 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Testing descriptor property of Math.hypot
+includes: [propertyHelper.js]
+es6id: 20.2.2.18
+---*/
+
+verifyNotEnumerable(Math, "hypot");
+verifyWritable(Math, "hypot");
+verifyConfigurable(Math, "hypot");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/hypot/shell.js b/js/src/tests/test262/built-ins/Math/hypot/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/hypot/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/imul/browser.js b/js/src/tests/test262/built-ins/Math/imul/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/imul/length.js b/js/src/tests/test262/built-ins/Math/imul/length.js
new file mode 100644
index 0000000000..e457fa6151
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/imul/length.js
@@ -0,0 +1,30 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.19
+description: length property of Math.imul
+info: |
+  Math.imul ( x, y )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.imul.length, 2);
+
+verifyNotEnumerable(Math.imul, "length");
+verifyNotWritable(Math.imul, "length");
+verifyConfigurable(Math.imul, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/imul/name.js b/js/src/tests/test262/built-ins/Math/imul/name.js
new file mode 100644
index 0000000000..46ed5dde63
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/imul/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.19
+description: >
+  Math.imul.name is "imul".
+info: |
+  Math.imul ( x, y )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.imul.name, "imul");
+
+verifyNotEnumerable(Math.imul, "name");
+verifyNotWritable(Math.imul, "name");
+verifyConfigurable(Math.imul, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/imul/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/imul/not-a-constructor.js
new file mode 100644
index 0000000000..000f83ab72
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/imul/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.imul does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.imul), false, 'isConstructor(Math.imul) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.imul();
+}, '`new Math.imul()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/imul/prop-desc.js b/js/src/tests/test262/built-ins/Math/imul/prop-desc.js
new file mode 100644
index 0000000000..695a24401d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/imul/prop-desc.js
@@ -0,0 +1,14 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Testing descriptor property of Math.imul
+includes: [propertyHelper.js]
+es6id: 20.2.2.19
+---*/
+
+verifyNotEnumerable(Math, "imul");
+verifyWritable(Math, "imul");
+verifyConfigurable(Math, "imul");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/imul/results.js b/js/src/tests/test262/built-ins/Math/imul/results.js
new file mode 100644
index 0000000000..f67171191a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/imul/results.js
@@ -0,0 +1,60 @@
+// Copyright (C) 2016 The V8 Project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.imul
+description: >
+  Return results
+info: |
+  Math.imul ( x, y )
+
+  1. Let a be ToUint32(x).
+  2. Let b be ToUint32(y).
+  3. Let product be (a × b) modulo 232.
+  4. If product ≥ 231, return product - 232; otherwise return product.
+---*/
+
+assert.sameValue(Math.imul(2, 4), 8, "(2, 4)");
+assert.sameValue(Math.imul(-1, 8), -8, "(-1, 8)");
+assert.sameValue(Math.imul(-2, -2), 4, "(-2, -2)");
+assert.sameValue(Math.imul(0xffffffff, 5), -5, "(0xffffffff, 5)");
+assert.sameValue(Math.imul(0xfffffffe, 5), -10, "(0xfffffffe, 5)");
+
+assert.sameValue(Math.imul(-0, 7), 0);
+assert.sameValue(Math.imul(7, -0), 0);
+
+assert.sameValue(Math.imul(0.1, 7), 0);
+assert.sameValue(Math.imul(7, 0.1), 0);
+assert.sameValue(Math.imul(0.9, 7), 0);
+assert.sameValue(Math.imul(7, 0.9), 0);
+assert.sameValue(Math.imul(1.1, 7), 7);
+assert.sameValue(Math.imul(7, 1.1), 7);
+assert.sameValue(Math.imul(1.9, 7), 7);
+assert.sameValue(Math.imul(7, 1.9), 7);
+
+assert.sameValue(Math.imul(1073741824, 7), -1073741824);
+assert.sameValue(Math.imul(7, 1073741824), -1073741824);
+assert.sameValue(Math.imul(1073741824, 1073741824), 0);
+
+assert.sameValue(Math.imul(-1073741824, 7), 1073741824);
+assert.sameValue(Math.imul(7, -1073741824), 1073741824);
+assert.sameValue(Math.imul(-1073741824, -1073741824), 0);
+
+assert.sameValue(Math.imul(2147483648, 7), -2147483648);
+assert.sameValue(Math.imul(7, 2147483648), -2147483648);
+assert.sameValue(Math.imul(2147483648, 2147483648), 0);
+
+assert.sameValue(Math.imul(-2147483648, 7), -2147483648);
+assert.sameValue(Math.imul(7, -2147483648), -2147483648);
+assert.sameValue(Math.imul(-2147483648, -2147483648), 0);
+
+assert.sameValue(Math.imul(2147483647, 7), 2147483641);
+assert.sameValue(Math.imul(7, 2147483647), 2147483641);
+assert.sameValue(Math.imul(2147483647, 2147483647), 1);
+
+assert.sameValue(Math.imul(65536, 65536), 0);
+assert.sameValue(Math.imul(65535, 65536), -65536);
+assert.sameValue(Math.imul(65536, 65535), -65536);
+assert.sameValue(Math.imul(65535, 65535), -131071);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/imul/shell.js b/js/src/tests/test262/built-ins/Math/imul/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/imul/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/log/S15.8.2.10_A1.js b/js/src/tests/test262/built-ins/Math/log/S15.8.2.10_A1.js
new file mode 100644
index 0000000000..61e2ee7be7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log/S15.8.2.10_A1.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is NaN, Math.log(x) is NaN
+es5id: 15.8.2.10_A1
+description: Checking if Math.log(NaN) is NaN
+---*/
+
+assert.sameValue(Math.log(NaN), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log/S15.8.2.10_A2.js b/js/src/tests/test262/built-ins/Math/log/S15.8.2.10_A2.js
new file mode 100644
index 0000000000..7793f4d1ef
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log/S15.8.2.10_A2.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is less than 0, Math.log(x) is NaN
+es5id: 15.8.2.10_A2
+description: Checking if Math.log(x) is NaN, where x is less than 0
+---*/
+
+assert.sameValue(Math.log(-0.000000000000001), NaN, "-0.000000000000001");
+assert.sameValue(Math.log(-1), NaN, "-1");
+assert.sameValue(Math.log(-Infinity), NaN, "-Infinity");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log/S15.8.2.10_A3.js b/js/src/tests/test262/built-ins/Math/log/S15.8.2.10_A3.js
new file mode 100644
index 0000000000..3f469994af
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log/S15.8.2.10_A3.js
@@ -0,0 +1,18 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +0 or -0, Math.log(x) is -Infinity
+es5id: 15.8.2.10_A3
+description: Checking if Math.log(+0) and Math.log(-0) equals to -Infinity
+---*/
+
+// CHECK#1
+var x = +0;
+assert.sameValue(Math.log(x), -Infinity, 'Math.log(+0) must return -Infinity');
+
+// CHECK#2
+var x = -0;
+assert.sameValue(Math.log(x), -Infinity, 'Math.log(-0) must return -Infinity');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log/S15.8.2.10_A4.js b/js/src/tests/test262/built-ins/Math/log/S15.8.2.10_A4.js
new file mode 100644
index 0000000000..2fb9cefd33
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log/S15.8.2.10_A4.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is 1, Math.log(x) is +0
+es5id: 15.8.2.10_A4
+description: Checking if Math.log(1) equals to +0
+---*/
+
+assert.sameValue(Math.log(1), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log/S15.8.2.10_A5.js b/js/src/tests/test262/built-ins/Math/log/S15.8.2.10_A5.js
new file mode 100644
index 0000000000..c149b2fbed
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log/S15.8.2.10_A5.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +Infinity, Math.log(x) is +Infinity
+es5id: 15.8.2.10_A5
+description: Checking if Math.log(+Infinity) equals to +Infinity
+---*/
+
+// CHECK#1
+var x = +Infinity;
+assert.sameValue(Math.log(x), +Infinity, 'Math.log(+Infinity) must return +Infinity');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log/browser.js b/js/src/tests/test262/built-ins/Math/log/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/log/length.js b/js/src/tests/test262/built-ins/Math/log/length.js
new file mode 100644
index 0000000000..e23e758bff
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.20
+description: >
+  Math.log.length is 1.
+info: |
+  Math.log ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.log.length, 1);
+
+verifyNotEnumerable(Math.log, "length");
+verifyNotWritable(Math.log, "length");
+verifyConfigurable(Math.log, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log/name.js b/js/src/tests/test262/built-ins/Math/log/name.js
new file mode 100644
index 0000000000..35009aa9d3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.20
+description: >
+  Math.log.name is "log".
+info: |
+  Math.log ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.log.name, "log");
+
+verifyNotEnumerable(Math.log, "name");
+verifyNotWritable(Math.log, "name");
+verifyConfigurable(Math.log, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/log/not-a-constructor.js
new file mode 100644
index 0000000000..2fe1ae7ee6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.log does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.log), false, 'isConstructor(Math.log) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.log();
+}, '`new Math.log()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log/prop-desc.js b/js/src/tests/test262/built-ins/Math/log/prop-desc.js
new file mode 100644
index 0000000000..d3c6d792a3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.log
+description: >
+  "log" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "log");
+verifyWritable(Math, "log");
+verifyConfigurable(Math, "log");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log/shell.js b/js/src/tests/test262/built-ins/Math/log/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/log10/Log10-specialVals.js b/js/src/tests/test262/built-ins/Math/log10/Log10-specialVals.js
new file mode 100644
index 0000000000..55e6ef857d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log10/Log10-specialVals.js
@@ -0,0 +1,34 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Math.Log10 with sample values.
+es6id: 20.2.2.20
+---*/
+
+assert.sameValue(Math.log10(-0), Number.NEGATIVE_INFINITY,
+  "Math.log10 produces incorrect output for -0");
+assert.sameValue(Math.log10(+0), Number.NEGATIVE_INFINITY,
+  "Math.log10 produces incorrect output for +0");
+assert.sameValue(Math.log10(-0.9), Number.NaN,
+  "Math.log10 produces incorrect output for -0.9");
+assert.sameValue(Math.log10(NaN), Number.NaN,
+  "Math.log10 produces incorrect output for NaN");
+assert.sameValue(Math.log10(-10), Number.NaN,
+  "Math.log10 produces incorrect output for -10");
+assert.sameValue(Math.log10(null), Number.NEGATIVE_INFINITY,
+  "Math.log10 produces incorrect output for null");
+assert.sameValue(Math.log10(undefined), Number.NaN,
+  "Math.log10 produces incorrect output for undefined");
+assert.sameValue(Math.log10(Number.POSITIVE_INFINITY), Number.POSITIVE_INFINITY,
+  "Math.log10 produces incorrect output for Number.POSITIVE_INFINITY");
+assert.sameValue(Math.log10(1), 0,
+  "Math.log10 produces incorrect output for 1");
+assert.sameValue(Math.log10(10.00), 1,
+  "Math.log10 produces incorrect output for 10.00");
+assert.sameValue(Math.log10(100.00), 2,
+  "Math.log10 produces incorrect output for 100.00");
+assert.sameValue(Math.log10(1000.00), 3,
+  "Math.log10 produces incorrect output for 1000.00");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log10/browser.js b/js/src/tests/test262/built-ins/Math/log10/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/log10/length.js b/js/src/tests/test262/built-ins/Math/log10/length.js
new file mode 100644
index 0000000000..679d3f0b62
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log10/length.js
@@ -0,0 +1,30 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.20
+description: length property of Math.log10
+info: |
+  Math.log10 ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.log10.length, 1);
+
+verifyNotEnumerable(Math.log10, "length");
+verifyNotWritable(Math.log10, "length");
+verifyConfigurable(Math.log10, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log10/name.js b/js/src/tests/test262/built-ins/Math/log10/name.js
new file mode 100644
index 0000000000..a41195533b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log10/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.22
+description: >
+  Math.log10.name is "log10".
+info: |
+  Math.log10 ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.log10.name, "log10");
+
+verifyNotEnumerable(Math.log10, "name");
+verifyNotWritable(Math.log10, "name");
+verifyConfigurable(Math.log10, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log10/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/log10/not-a-constructor.js
new file mode 100644
index 0000000000..aacc516ebf
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log10/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.log10 does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.log10), false, 'isConstructor(Math.log10) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.log10();
+}, '`new Math.log10()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log10/prop-desc.js b/js/src/tests/test262/built-ins/Math/log10/prop-desc.js
new file mode 100644
index 0000000000..fe5e11fc79
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log10/prop-desc.js
@@ -0,0 +1,15 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: >
+  "log10" property of Math
+includes: [propertyHelper.js]
+es6id: 20.2.2.20
+---*/
+
+verifyNotEnumerable(Math, "log10");
+verifyWritable(Math, "log10");
+verifyConfigurable(Math, "log10");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log10/shell.js b/js/src/tests/test262/built-ins/Math/log10/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log10/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/log1p/browser.js b/js/src/tests/test262/built-ins/Math/log1p/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/log1p/length.js b/js/src/tests/test262/built-ins/Math/log1p/length.js
new file mode 100644
index 0000000000..40327f636c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log1p/length.js
@@ -0,0 +1,30 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.21
+description: length property of Math.log1p
+info: |
+  Math.log1p ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.log1p.length, 1);
+
+verifyNotEnumerable(Math.log1p, "length");
+verifyNotWritable(Math.log1p, "length");
+verifyConfigurable(Math.log1p, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log1p/name.js b/js/src/tests/test262/built-ins/Math/log1p/name.js
new file mode 100644
index 0000000000..9287af89ed
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log1p/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.21
+description: >
+  Math.log1p.name is "log1p".
+info: |
+  Math.log1p ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.log1p.name, "log1p");
+
+verifyNotEnumerable(Math.log1p, "name");
+verifyNotWritable(Math.log1p, "name");
+verifyConfigurable(Math.log1p, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log1p/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/log1p/not-a-constructor.js
new file mode 100644
index 0000000000..f89122aac0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log1p/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.log1p does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.log1p), false, 'isConstructor(Math.log1p) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.log1p();
+}, '`new Math.log1p()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log1p/prop-desc.js b/js/src/tests/test262/built-ins/Math/log1p/prop-desc.js
new file mode 100644
index 0000000000..8d16e87bc9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log1p/prop-desc.js
@@ -0,0 +1,14 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Testing descriptor property of Math.log1p
+includes: [propertyHelper.js]
+es6id: 20.2.2.21
+---*/
+
+verifyNotEnumerable(Math, "log1p");
+verifyWritable(Math, "log1p");
+verifyConfigurable(Math, "log1p");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log1p/shell.js b/js/src/tests/test262/built-ins/Math/log1p/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log1p/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/log1p/specific-results.js b/js/src/tests/test262/built-ins/Math/log1p/specific-results.js
new file mode 100644
index 0000000000..38452abf77
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log1p/specific-results.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2016 The V8 Project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.log1p
+description: >
+  Return specific results
+info: |
+  Math.log1p ( x )
+
+  If x is NaN, the result is NaN.
+  If x is less than -1, the result is NaN.
+  If x is -1, the result is -∞.
+  If x is +0, the result is +0.
+  If x is -0, the result is -0.
+  If x is +∞, the result is +∞.
+---*/
+
+assert.sameValue(Math.log1p(NaN), NaN, "NaN");
+assert.sameValue(Math.log1p(-1.000001), NaN, "-1.000001");
+assert.sameValue(Math.log1p(-2), NaN, "-2");
+assert.sameValue(Math.log1p(-Infinity), NaN, "-Infinity");
+assert.sameValue(Math.log1p(-1), -Infinity, "-1");
+assert.sameValue(Math.log1p(0), 0, "0");
+assert.sameValue(Math.log1p(-0), -0, "-0");
+assert.sameValue(Math.log1p(Infinity), Infinity, "Infinity");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log2/browser.js b/js/src/tests/test262/built-ins/Math/log2/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/log2/length.js b/js/src/tests/test262/built-ins/Math/log2/length.js
new file mode 100644
index 0000000000..4763011f45
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log2/length.js
@@ -0,0 +1,30 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.23
+description: length property of Math.log2
+info: |
+  Math.log2 ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.log2.length, 1);
+
+verifyNotEnumerable(Math.log2, "length");
+verifyNotWritable(Math.log2, "length");
+verifyConfigurable(Math.log2, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log2/log2-basicTests.js b/js/src/tests/test262/built-ins/Math/log2/log2-basicTests.js
new file mode 100644
index 0000000000..3e0a33e014
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log2/log2-basicTests.js
@@ -0,0 +1,36 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Math.Log2 with sample values.
+es6id: 20.2.2.23
+---*/
+
+assert.sameValue(Math.log2(-0), Number.NEGATIVE_INFINITY,
+  "Math.log2 produces incorrect output for -0");
+assert.sameValue(Math.log2(+0), Number.NEGATIVE_INFINITY,
+  "Math.log2 produces incorrect output for +0");
+assert.sameValue(Math.log2(-0.9), NaN,
+  "Math.log2 produces incorrect output for -0.9");
+assert.sameValue(Math.log2(NaN), NaN,
+  "Math.log2 produces incorrect output for NaN");
+assert.sameValue(Math.log2(-10), NaN,
+  "Math.log2 produces incorrect output for -10");
+assert.sameValue(Math.log2(-Infinity), NaN,
+  "Math.log2 produces incorrect output for -Infinity");
+assert.sameValue(Math.log2(null), Number.NEGATIVE_INFINITY,
+  "Math.log2 produces incorrect output for null");
+assert.sameValue(Math.log2(undefined), NaN,
+  "Math.log2 produces incorrect output for undefined");
+assert.sameValue(Math.log2(Number.POSITIVE_INFINITY), Number.POSITIVE_INFINITY,
+  "Math.log2 produces incorrect output for Number.POSITIVE_INFINITY");
+assert.sameValue(Math.log2(1), 0,
+  "Math.log2 produces incorrect output for 1");
+assert.sameValue(Math.log2(2.00), 1,
+  "Math.log2 produces incorrect output for 2.00");
+assert.sameValue(Math.log2(4.00), 2,
+  "Math.log2 produces incorrect output for 4.00");
+assert.sameValue(Math.log2(8.00), 3,
+  "Math.log2 produces incorrect output for 8.00");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log2/name.js b/js/src/tests/test262/built-ins/Math/log2/name.js
new file mode 100644
index 0000000000..33af36ac29
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log2/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.23
+description: >
+  Math.log2.name is "log2".
+info: |
+  Math.log2 ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.log2.name, "log2");
+
+verifyNotEnumerable(Math.log2, "name");
+verifyNotWritable(Math.log2, "name");
+verifyConfigurable(Math.log2, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log2/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/log2/not-a-constructor.js
new file mode 100644
index 0000000000..1a40c155c9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log2/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.log2 does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.log2), false, 'isConstructor(Math.log2) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.log2();
+}, '`new Math.log2()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log2/prop-desc.js b/js/src/tests/test262/built-ins/Math/log2/prop-desc.js
new file mode 100644
index 0000000000..15ab8c6890
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log2/prop-desc.js
@@ -0,0 +1,14 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Testing descriptor property of Math.log2
+includes: [propertyHelper.js]
+es6id: 20.2.2.23
+---*/
+
+verifyNotEnumerable(Math, "log2");
+verifyWritable(Math, "log2");
+verifyConfigurable(Math, "log2");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/log2/shell.js b/js/src/tests/test262/built-ins/Math/log2/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/log2/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/max/15.8.2.11-1.js b/js/src/tests/test262/built-ins/Math/max/15.8.2.11-1.js
new file mode 100644
index 0000000000..a504429170
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/max/15.8.2.11-1.js
@@ -0,0 +1,11 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.8.2.11-1
+description: Math.max({}) is NaN
+---*/
+
+assert.sameValue(Math.max({}), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/max/Math.max_each-element-coerced.js b/js/src/tests/test262/built-ins/Math/max/Math.max_each-element-coerced.js
new file mode 100644
index 0000000000..98488f710e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/max/Math.max_each-element-coerced.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2020 Vladislav Lazurenko. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.max
+description: Call ToNumber on each element of params
+info: |
+    2. For each element arg of args, do
+        Let n be ? ToNumber(arg).
+        Append n to coerced.
+---*/
+
+let valueOf_calls = 0;
+
+const n = {
+  valueOf: function() {
+    valueOf_calls++;
+  }
+};
+Math.max(NaN, n);
+assert.sameValue(valueOf_calls, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/max/S15.8.2.11_A1.js b/js/src/tests/test262/built-ins/Math/max/S15.8.2.11_A1.js
new file mode 100644
index 0000000000..d54b44c01a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/max/S15.8.2.11_A1.js
@@ -0,0 +1,11 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If no arguments are given, Math.max() is -Infinity
+es5id: 15.8.2.11_A1
+description: Checking if Math.max() equals to -Infinity
+---*/
+assert.sameValue(Math.max(), -Infinity, 'Math.max() must return -Infinity');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/max/S15.8.2.11_A2.js b/js/src/tests/test262/built-ins/Math/max/S15.8.2.11_A2.js
new file mode 100644
index 0000000000..bf2fe00a0a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/max/S15.8.2.11_A2.js
@@ -0,0 +1,68 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If any value is NaN, the result of Math.max is NaN
+es5id: 15.8.2.11_A2
+description: >
+    The script tests Math.max giving 1, 2 and 3 arguments to the
+    function where at least one of the arguments is NaN
+---*/
+
+assert.sameValue(Math.max(NaN), NaN, "NaN");
+
+// CHECK#2
+var vals = new Array();
+vals[0] = -Infinity;
+vals[1] = -0.000000000000001;
+vals[2] = -0;
+vals[3] = +0
+vals[4] = 0.000000000000001;
+vals[5] = +Infinity;
+vals[6] = NaN;
+var valnum = 7;
+
+var args = new Array();
+for (var i = 0; i <= 1; i++)
+{
+  args[i] = NaN;
+  for (var j = 0; j < valnum; j++)
+  {
+    args[1 - i] = vals[j];
+    assert.sameValue(
+      Math.max(args[0], args[1]),
+      NaN,
+      "max(" + args[0] + ", " + args[1] + ")"
+    );
+  }
+}
+
+// CHECK #3
+var k = 1;
+var l = 2;
+for (var i = 0; i <= 2; i++)
+{
+  args[i] = NaN;
+  if (i === 1)
+  {
+    k = 0;
+  } else if (i === 2)
+  {
+    l = 1;
+  }
+  for (var j = 0; j < valnum; j++)
+  {
+    for (var jj = 0; jj < valnum; jj++)
+    {
+      args[k] = vals[j];
+      args[l] = vals[jj];
+      assert.sameValue(
+        Math.max(args[0], args[1], args[2]),
+        NaN,
+        "max(" + args[0] + ", " + args[1] + ", " + args[2] + ")"
+      );
+    }
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/max/S15.8.2.11_A4.js b/js/src/tests/test262/built-ins/Math/max/S15.8.2.11_A4.js
new file mode 100644
index 0000000000..ba2ab9cf00
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/max/S15.8.2.11_A4.js
@@ -0,0 +1,13 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: The length property of the Math.max method is 2
+es5id: 15.8.2.11_A4
+description: Checking if Math.max.length property is defined and equals to 2
+---*/
+assert.sameValue(typeof Math.max, "function", 'The value of `typeof Math.max` is expected to be "function"');
+assert.notSameValue(typeof Math.max.length, "undefined", 'The value of typeof Math.max.length is not "undefined"');
+assert.sameValue(Math.max.length, 2, 'The value of Math.max.length is expected to be 2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/max/browser.js b/js/src/tests/test262/built-ins/Math/max/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/max/length.js b/js/src/tests/test262/built-ins/Math/max/length.js
new file mode 100644
index 0000000000..a985231596
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/max/length.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.max
+description: >
+  "length" property of Math.max
+info: |
+  Math.max ( value1, value2, ...values )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.max.length, 2);
+
+verifyNotEnumerable(Math.max, "length");
+verifyNotWritable(Math.max, "length");
+verifyConfigurable(Math.max, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/max/name.js b/js/src/tests/test262/built-ins/Math/max/name.js
new file mode 100644
index 0000000000..2078d602bb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/max/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.24
+description: >
+  Math.max.name is "max".
+info: |
+  Math.max ( value1, value2 , …values )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.max.name, "max");
+
+verifyNotEnumerable(Math.max, "name");
+verifyNotWritable(Math.max, "name");
+verifyConfigurable(Math.max, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/max/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/max/not-a-constructor.js
new file mode 100644
index 0000000000..36e92c627c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/max/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.max does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.max), false, 'isConstructor(Math.max) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.max();
+}, '`new Math.max()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/max/prop-desc.js b/js/src/tests/test262/built-ins/Math/max/prop-desc.js
new file mode 100644
index 0000000000..6b8fbac518
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/max/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.max
+description: >
+  "max" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "max");
+verifyWritable(Math, "max");
+verifyConfigurable(Math, "max");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/max/shell.js b/js/src/tests/test262/built-ins/Math/max/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/max/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/max/zeros.js b/js/src/tests/test262/built-ins/Math/max/zeros.js
new file mode 100644
index 0000000000..42892ae481
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/max/zeros.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2016 The V8 Project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.max
+description: >
+  +0 is considered to be larger than -0
+info: |
+  Math.max ( value1, value2 , …values )
+
+  The comparison of values to determine the largest value is done using the
+  Abstract Relational Comparison algorithm except that +0 is considered to be
+  larger than -0.
+---*/
+
+assert.sameValue(Math.max(0, 0), 0, "(0, 0)");
+assert.sameValue(Math.max(-0, -0), -0, "(-0, -0)");
+assert.sameValue(Math.max(0, -0), 0, "(0, -0)");
+assert.sameValue(Math.max(-0, 0), 0, "(-0, 0)");
+assert.sameValue(Math.max(0, 0, -0), 0, "(0, 0, -0)");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/min/15.8.2.12-1.js b/js/src/tests/test262/built-ins/Math/min/15.8.2.12-1.js
new file mode 100644
index 0000000000..7f7c789cd7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/min/15.8.2.12-1.js
@@ -0,0 +1,11 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.8.2.12-1
+description: Math.min({}) is NaN
+---*/
+
+assert.sameValue(Math.min({}), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/min/Math.min_each-element-coerced.js b/js/src/tests/test262/built-ins/Math/min/Math.min_each-element-coerced.js
new file mode 100644
index 0000000000..2183e1847b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/min/Math.min_each-element-coerced.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2020 Vladislav Lazurenko. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.min
+description: Call ToNumber on each element of params
+info: |
+    2. For each element arg of args, do
+        Let n be ? ToNumber(arg).
+        Append n to coerced.
+---*/
+
+let valueOf_calls = 0;
+
+const n = {
+  valueOf: function() {
+    valueOf_calls++;
+  }
+};
+Math.min(NaN, n);
+assert.sameValue(valueOf_calls, 1);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/min/S15.8.2.12_A1.js b/js/src/tests/test262/built-ins/Math/min/S15.8.2.12_A1.js
new file mode 100644
index 0000000000..6f8b422680
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/min/S15.8.2.12_A1.js
@@ -0,0 +1,11 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If no arguments are given, Math.min() is +Infinity
+es5id: 15.8.2.12_A1
+description: Checking if Math.min() equals to +Infinity
+---*/
+assert.sameValue(Math.min(), +Infinity, 'Math.min() must return +Infinity');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/min/S15.8.2.12_A2.js b/js/src/tests/test262/built-ins/Math/min/S15.8.2.12_A2.js
new file mode 100644
index 0000000000..8fa7d672ae
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/min/S15.8.2.12_A2.js
@@ -0,0 +1,69 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If any value is NaN, the result of Math.min is NaN
+es5id: 15.8.2.12_A2
+description: >
+    The script tests Math.min giving 1, 2 and 3 arguments to the
+    function where at least one of the arguments is NaN
+---*/
+
+// CHECK#1
+assert.sameValue(Math.min(NaN), NaN, "NaN");
+
+// CHECK#2
+var vals = new Array();
+vals[0] = -Infinity;
+vals[1] = -0.000000000000001;
+vals[2] = -0;
+vals[3] = +0
+vals[4] = 0.000000000000001;
+vals[5] = +Infinity;
+vals[6] = NaN;
+var valnum = 7;
+
+var args = new Array();
+for (var i = 0; i <= 1; i++)
+{
+  args[i] = NaN;
+  for (var j = 0; j < valnum; j++)
+  {
+    args[1 - i] = vals[j];
+    assert.sameValue(
+      Math.min(args[0], args[1]),
+      NaN,
+      "min(" + args[0] + ", " + args[1] + ")"
+    );
+  }
+}
+
+// CHECK #3
+var k = 1;
+var l = 2;
+for (var i = 0; i <= 2; i++)
+{
+  args[i] = NaN;
+  if (i === 1)
+  {
+    k = 0;
+  } else if (i === 2)
+  {
+    l = 1;
+  }
+  for (var j = 0; j < valnum; j++)
+  {
+    for (var jj = 0; jj < valnum; jj++)
+    {
+      args[k] = vals[j];
+      args[l] = vals[jj];
+      assert.sameValue(
+        Math.min(args[0], args[1], args[2]),
+        NaN,
+        "min(" + args[0] + ", " + args[1] + ", " + args[2] + ")"
+      );
+    }
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/min/S15.8.2.12_A4.js b/js/src/tests/test262/built-ins/Math/min/S15.8.2.12_A4.js
new file mode 100644
index 0000000000..6af0a31714
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/min/S15.8.2.12_A4.js
@@ -0,0 +1,13 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: The length property of the Math.min method is 2
+es5id: 15.8.2.12_A4
+description: Checking if Math.min.length property is defined and equals to 2
+---*/
+assert.sameValue(typeof Math.min, "function", 'The value of `typeof Math.min` is expected to be "function"');
+assert.notSameValue(typeof Math.min.length, "undefined", 'The value of typeof Math.min.length is not "undefined"');
+assert.sameValue(Math.min.length, 2, 'The value of Math.min.length is expected to be 2');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/min/browser.js b/js/src/tests/test262/built-ins/Math/min/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/min/length.js b/js/src/tests/test262/built-ins/Math/min/length.js
new file mode 100644
index 0000000000..65706dd110
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/min/length.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.min
+description: >
+  "length" property of Math.min
+info: |
+  Math.min ( value1, value2, ...values )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.min.length, 2);
+
+verifyNotEnumerable(Math.min, "length");
+verifyNotWritable(Math.min, "length");
+verifyConfigurable(Math.min, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/min/name.js b/js/src/tests/test262/built-ins/Math/min/name.js
new file mode 100644
index 0000000000..2fc9c3d206
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/min/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.25
+description: >
+  Math.min.name is "min".
+info: |
+  Math.min ( value1, value2 , …values )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.min.name, "min");
+
+verifyNotEnumerable(Math.min, "name");
+verifyNotWritable(Math.min, "name");
+verifyConfigurable(Math.min, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/min/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/min/not-a-constructor.js
new file mode 100644
index 0000000000..24fca032af
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/min/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.min does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.min), false, 'isConstructor(Math.min) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.min();
+}, '`new Math.min()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/min/prop-desc.js b/js/src/tests/test262/built-ins/Math/min/prop-desc.js
new file mode 100644
index 0000000000..01e8c74075
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/min/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.min
+description: >
+  "min" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "min");
+verifyWritable(Math, "min");
+verifyConfigurable(Math, "min");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/min/shell.js b/js/src/tests/test262/built-ins/Math/min/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/min/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/min/zeros.js b/js/src/tests/test262/built-ins/Math/min/zeros.js
new file mode 100644
index 0000000000..1f3700b993
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/min/zeros.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2016 The V8 Project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.min
+description: >
+  +0 is considered to be larger than -0
+info: |
+  Math.min ( value1, value2 , …values )
+
+  The comparison of values to determine the smallest value is done using the
+  Abstract Relational Comparison algorithm except that +0 is considered to be
+  larger than -0.
+---*/
+
+assert.sameValue(Math.min(0, 0), 0, "(0, 0)");
+assert.sameValue(Math.min(-0, -0), -0, "(-0, -0)");
+assert.sameValue(Math.min(0, -0), -0, "(0, -0)");
+assert.sameValue(Math.min(-0, 0), -0, "(-0, 0)");
+assert.sameValue(Math.min(0, 0, -0), -0, "(0, 0, -0)");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A1.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A1.js
new file mode 100644
index 0000000000..2aa4d453fb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A1.js
@@ -0,0 +1,31 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If exponent is NaN, the result is NaN.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var exponent = NaN;
+var base = new Array();
+base[0] = -Infinity;
+base[1] = -1.7976931348623157E308; //largest (by module) finite number
+base[2] = -0.000000000000001;
+base[3] = -0;
+base[4] = +0
+base[5] = 0.000000000000001;
+base[6] = 1.7976931348623157E308; //largest finite number
+base[7] = +Infinity;
+base[8] = NaN;
+var basenum = 9;
+
+for (var i = 0; i < basenum; i++) {
+  assert.sameValue(
+    Math.pow(base[i], exponent),
+    NaN,
+    base[i]
+  );
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A10.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A10.js
new file mode 100644
index 0000000000..b074244a36
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A10.js
@@ -0,0 +1,26 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If abs(base) < 1 and exponent is −∞, the result is +∞.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var exponent = -Infinity;
+var base = new Array();
+base[0] = 0.999999999999999;
+base[1] = 0.5;
+base[2] = +0;
+base[3] = -0;
+base[4] = -0.5;
+base[5] = -0.999999999999999;
+var basenum = 6;
+
+for (var i = 0; i < basenum; i++) {
+  if (Math.pow(base[i], exponent) !== +Infinity) {
+    throw new Test262Error("#1: Math.pow(" + base[i] + ", " + exponent + ") !== +Infinity");
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A11.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A11.js
new file mode 100644
index 0000000000..c5a06914f5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A11.js
@@ -0,0 +1,24 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If base is +∞ and exponent > 0, the result is +∞.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var base = +Infinity;
+var exponent = new Array();
+exponent[3] = Infinity;
+exponent[2] = 1.7976931348623157E308; //largest (by module) finite number
+exponent[1] = 1;
+exponent[0] = 0.000000000000001;
+var exponentnum = 4;
+
+for (var i = 0; i < exponentnum; i++) {
+  if (Math.pow(base, exponent[i]) !== +Infinity) {
+    throw new Test262Error("#1: Math.pow(" + base + ", " + exponent[i] + ") !== +Infinity");
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A12.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A12.js
new file mode 100644
index 0000000000..d8ff1d28a4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A12.js
@@ -0,0 +1,22 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If base is +∞ and exponent < 0, the result is +0.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var base = +Infinity;
+var exponent = new Array();
+exponent[0] = -Infinity;
+exponent[1] = -1.7976931348623157E308; //largest (by module) finite number
+exponent[2] = -1;
+exponent[3] = -0.000000000000001;
+var exponentnum = 4;
+
+for (var i = 0; i < exponentnum; i++) {
+  assert.sameValue(Math.pow(base, exponent[i]), 0, exponent[i]);
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A13.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A13.js
new file mode 100644
index 0000000000..648e70f315
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A13.js
@@ -0,0 +1,23 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If base is −∞ and exponent > 0 and exponent is an odd integer, the result is −∞.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var base = -Infinity;
+var exponent = new Array();
+exponent[0] = 1;
+exponent[1] = 111;
+exponent[2] = 111111;
+var exponentnum = 3;
+
+for (var i = 0; i < exponentnum; i++) {
+  if (Math.pow(base, exponent[i]) !== -Infinity) {
+    throw new Test262Error("#1: Math.pow(" + base + ", " + exponent[i] + ") !== -Infinity");
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A14.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A14.js
new file mode 100644
index 0000000000..240dc2d5c4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A14.js
@@ -0,0 +1,25 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If base is −∞ and exponent > 0 and exponent is not an odd integer, the result is +∞.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var base = -Infinity;
+var exponent = new Array();
+exponent[0] = 0.000000000000001;
+exponent[1] = 2;
+exponent[2] = Math.PI;
+exponent[3] = 1.7976931348623157E308; //largest finite number
+exponent[4] = +Infinity;
+var exponentnum = 5;
+
+for (var i = 0; i < exponentnum; i++) {
+  if (Math.pow(base, exponent[i]) !== +Infinity) {
+    throw new Test262Error("#1: Math.pow(" + base + ", " + exponent[i] + ") !== +Infinity");
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A15.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A15.js
new file mode 100644
index 0000000000..6847e897d9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A15.js
@@ -0,0 +1,21 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If base is −∞ and exponent < 0 and exponent is an odd integer, the result is −0.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var base = -Infinity;
+var exponent = new Array();
+exponent[2] = -1;
+exponent[1] = -111;
+exponent[0] = -111111;
+var exponentnum = 3;
+
+for (var i = 0; i < exponentnum; i++) {
+  assert.sameValue(Math.pow(base, exponent[i]), -0, exponent[i]);
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A16.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A16.js
new file mode 100644
index 0000000000..a12153e1c1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A16.js
@@ -0,0 +1,23 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If base is −∞ and exponent < 0 and exponent is not an odd integer, the result is +0.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var base = -Infinity;
+var exponent = new Array();
+exponent[4] = -0.000000000000001;
+exponent[3] = -2;
+exponent[2] = -Math.PI;
+exponent[1] = -1.7976931348623157E308; //largest (by module) finite number
+exponent[0] = -Infinity;
+var exponentnum = 5;
+
+for (var i = 0; i < exponentnum; i++) {
+  assert.sameValue(Math.pow(base, exponent[i]), 0, exponent[i]);
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A17.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A17.js
new file mode 100644
index 0000000000..cbf1926898
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A17.js
@@ -0,0 +1,22 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If base is +0 and exponent > 0, the result is +0.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var base = +0;
+var exponent = new Array();
+exponent[3] = Infinity;
+exponent[2] = 1.7976931348623157E308; //largest finite number
+exponent[1] = 1;
+exponent[0] = 0.000000000000001;
+var exponentnum = 4;
+
+for (var i = 0; i < exponentnum; i++) {
+  assert.sameValue(Math.pow(base, exponent[i]), 0, exponent[i]);
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A18.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A18.js
new file mode 100644
index 0000000000..49dc14fe83
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A18.js
@@ -0,0 +1,24 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If base is +0 and exponent < 0, the result is +∞.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var base = +0;
+var exponent = new Array();
+exponent[0] = -Infinity;
+exponent[1] = -1.7976931348623157E308; //largest (by module) finite number
+exponent[2] = -1;
+exponent[3] = -0.000000000000001;
+var exponentnum = 4;
+
+for (var i = 0; i < exponentnum; i++) {
+  if (Math.pow(base, exponent[i]) !== +Infinity) {
+    throw new Test262Error("#1: Math.pow(" + base + ", " + exponent[i] + ") !== +Infinity");
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A19.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A19.js
new file mode 100644
index 0000000000..0fe1c46bc2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A19.js
@@ -0,0 +1,21 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If base is −0 and exponent > 0 and exponent is an odd integer, the result is −0.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var base = -0;
+var exponent = new Array();
+exponent[0] = 1;
+exponent[1] = 111;
+exponent[2] = 111111;
+var exponentnum = 3;
+
+for (var i = 0; i < exponentnum; i++) {
+  assert.sameValue(Math.pow(base, exponent[i]), -0, exponent[i]);
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A2.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A2.js
new file mode 100644
index 0000000000..99bac1d4e2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A2.js
@@ -0,0 +1,29 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If exponent is +0, the result is 1, even if base is NaN.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var exponent = +0;
+var base = new Array();
+base[0] = -Infinity;
+base[1] = -1.7976931348623157E308; //largest (by module) finite number
+base[2] = -0.000000000000001;
+base[3] = -0;
+base[4] = +0
+base[5] = 0.000000000000001;
+base[6] = 1.7976931348623157E308; //largest finite number
+base[7] = +Infinity;
+base[8] = NaN;
+var basenum = 9;
+
+for (var i = 0; i < basenum; i++) {
+  if (Math.pow(base[i], exponent) !== 1) {
+    throw new Test262Error("#1: Math.pow(" + base[i] + ", " + exponent + ") !== 1");
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A20.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A20.js
new file mode 100644
index 0000000000..dc51e7312b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A20.js
@@ -0,0 +1,23 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If base is −0 and exponent > 0 and exponent is not an odd integer, the result is +0.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var base = -0;
+var exponent = new Array();
+exponent[0] = 0.000000000000001;
+exponent[1] = 2;
+exponent[2] = Math.PI;
+exponent[3] = 1.7976931348623157E308; //largest finite number
+exponent[4] = +Infinity;
+var exponentnum = 5;
+
+for (var i = 0; i < exponentnum; i++) {
+  assert.sameValue(Math.pow(base, exponent[i]), 0, exponent[i]);
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A21.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A21.js
new file mode 100644
index 0000000000..de7557f51d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A21.js
@@ -0,0 +1,23 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If base is −0 and exponent < 0 and exponent is an odd integer, the result is −∞.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var base = -0;
+var exponent = new Array();
+exponent[2] = -1;
+exponent[1] = -111;
+exponent[0] = -111111;
+var exponentnum = 3;
+
+for (var i = 0; i < exponentnum; i++) {
+  if (Math.pow(base, exponent[i]) !== -Infinity) {
+    throw new Test262Error("#1: Math.pow(" + base + ", " + exponent[i] + ") !== -Infinity");
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A22.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A22.js
new file mode 100644
index 0000000000..021a756690
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A22.js
@@ -0,0 +1,25 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If base is −0 and exponent < 0 and exponent is not an odd integer, the result is +∞.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var base = -0;
+var exponent = new Array();
+exponent[4] = -0.000000000000001;
+exponent[3] = -2;
+exponent[2] = -Math.PI;
+exponent[1] = -1.7976931348623157E308; //largest (by module) finite number
+exponent[0] = -Infinity;
+var exponentnum = 5;
+
+for (var i = 0; i < exponentnum; i++) {
+  if (Math.pow(base, exponent[i]) !== +Infinity) {
+    throw new Test262Error("#1: Math.pow(" + base + ", " + exponent[i] + ") !== +Infinity");
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A23.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A23.js
new file mode 100644
index 0000000000..6f389c524a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A23.js
@@ -0,0 +1,39 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If base < 0 and base is finite and exponent is finite and exponent is not an integer, the result is NaN.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var exponent = new Array();
+var base = new Array();
+base[0] = -1.7976931348623157E308; //largest (by module) finite number
+base[1] = -Math.PI;
+base[2] = -1;
+base[3] = -0.000000000000001;
+var basenum = 4;
+
+exponent[0] = -Math.PI;
+exponent[1] = -Math.E;
+exponent[2] = -1.000000000000001;
+exponent[3] = -0.000000000000001;
+exponent[4] = 0.000000000000001;
+exponent[5] = 1.000000000000001;
+exponent[6] = Math.E;
+exponent[7] = Math.PI;
+
+var exponentnum = 8;
+
+for (var i = 0; i < basenum; i++) {
+  for (var j = 0; j < exponentnum; j++) {
+    assert.sameValue(
+      Math.pow(base[i], exponent[j]),
+      NaN,
+      "(" + base[i] + ", " + exponent[j] + ")"
+    );
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A3.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A3.js
new file mode 100644
index 0000000000..c61fed40d9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A3.js
@@ -0,0 +1,29 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If exponent is −0, the result is 1, even if base is NaN.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var exponent = -0;
+var base = new Array();
+base[0] = -Infinity;
+base[1] = -1.7976931348623157E308; //largest (by module) finite number
+base[2] = -0.000000000000001;
+base[3] = -0;
+base[4] = +0
+base[5] = 0.000000000000001;
+base[6] = 1.7976931348623157E308; //largest finite number
+base[7] = +Infinity;
+base[8] = NaN;
+var basenum = 9;
+
+for (var i = 0; i < basenum; i++) {
+  if (Math.pow(base[i], exponent) !== 1) {
+    throw new Test262Error("#1: Math.pow(" + base[i] + ", -0) !== 1");
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A4.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A4.js
new file mode 100644
index 0000000000..d1426b6e50
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A4.js
@@ -0,0 +1,29 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If base is NaN and exponent is nonzero, the result is NaN.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var base = NaN;
+var exponent = new Array();
+exponent[0] = -Infinity;
+exponent[1] = -1.7976931348623157E308; //largest (by module) finite number
+exponent[2] = -0.000000000000001;
+exponent[3] = 0.000000000000001;
+exponent[4] = 1.7976931348623157E308; //largest finite number
+exponent[5] = +Infinity;
+exponent[6] = NaN;
+var exponentnum = 7;
+
+for (var i = 0; i < exponentnum; i++) {
+  assert.sameValue(
+    Math.pow(base, exponent[i]),
+    NaN,
+    "(" + base + ", " + exponent[i] + ")"
+  );
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A5.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A5.js
new file mode 100644
index 0000000000..a827298cac
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A5.js
@@ -0,0 +1,26 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If abs(base) > 1 and exponent is +∞, the result is +∞.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var exponent = +Infinity;
+var base = new Array();
+base[0] = -Infinity;
+base[1] = -1.7976931348623157E308; //largest (by module) finite number
+base[2] = -1.000000000000001;
+base[3] = 1.000000000000001;
+base[4] = 1.7976931348623157E308; //largest finite number
+base[5] = +Infinity;
+var basenum = 6;
+
+for (var i = 0; i < basenum; i++) {
+  if (Math.pow(base[i], exponent) !== +Infinity) {
+    throw new Test262Error("#1: Math.pow(" + base[i] + ", " + exponent + ") !== +Infinity");
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A6.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A6.js
new file mode 100644
index 0000000000..419d321dc8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A6.js
@@ -0,0 +1,24 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If abs(base) > 1 and exponent is −∞, the result is +0.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var exponent = -Infinity;
+var base = new Array();
+base[0] = -Infinity;
+base[1] = -1.7976931348623157E308; //largest (by module) finite number
+base[2] = -1.000000000000001;
+base[3] = 1.000000000000001;
+base[4] = 1.7976931348623157E308; //largest finite number
+base[5] = +Infinity;
+var basenum = 6;
+
+for (var i = 0; i < basenum; i++) {
+  assert.sameValue(Math.pow(base[i], exponent), 0, base[i]);
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A7.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A7.js
new file mode 100644
index 0000000000..c741bdbe60
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A7.js
@@ -0,0 +1,24 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If abs(base) is 1 and exponent is +∞, the result is NaN.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var exponent = +Infinity;
+var base = new Array();
+base[0] = -1;
+base[1] = 1
+var basenum = 2;
+
+for (var i = 0; i < basenum; i++) {
+  assert.sameValue(
+    Math.pow(base[i], exponent),
+    NaN,
+    "(" + base[i] + ", " + exponent + ")"
+  );
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A8.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A8.js
new file mode 100644
index 0000000000..64c11f9dfa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A8.js
@@ -0,0 +1,24 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If abs(base) is 1 and exponent is −∞, the result is NaN.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var exponent = -Infinity;
+var base = new Array();
+base[0] = -1;
+base[1] = 1
+var basenum = 2;
+
+for (var i = 0; i < basenum; i++) {
+  assert.sameValue(
+    Math.pow(base[i], exponent),
+    NaN,
+    "(" + base[i] + ", " + exponent + ")"
+  );
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A9.js b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A9.js
new file mode 100644
index 0000000000..d46eaa49fa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/applying-the-exp-operator_A9.js
@@ -0,0 +1,24 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If abs(base) < 1 and exponent is +∞, the result is +0.
+esid: sec-applying-the-exp-operator
+---*/
+
+
+var exponent = +Infinity;
+var base = new Array();
+base[0] = 0.999999999999999;
+base[1] = 0.5;
+base[2] = +0;
+base[3] = -0;
+base[4] = -0.5;
+base[5] = -0.999999999999999;
+var basenum = 6;
+
+for (var i = 0; i < basenum; i++) {
+  assert.sameValue(Math.pow(base[i], exponent), 0, exponent);
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/browser.js b/js/src/tests/test262/built-ins/Math/pow/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/pow/int32_min-exponent.js b/js/src/tests/test262/built-ins/Math/pow/int32_min-exponent.js
new file mode 100644
index 0000000000..bf71518987
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/int32_min-exponent.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2018 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-applying-the-exp-operator
+description: >
+    Using -(2**31) as exponent with Math.pow should behave as expected.
+---*/
+
+const INT32_MIN = -2147483648;
+
+assert.sameValue(Math.pow(2, INT32_MIN), +0.0,
+                 "Math.pow(2, -(gonzo huge exponent > 1074)) should be +0 " +
+                 "because 2**-1074 is the smallest positive IEEE-754 number");
+
+assert.sameValue(Math.pow(1, INT32_MIN), 1,
+                 "1**-(gonzo huge exponent > 1074) should be 1");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/length.js b/js/src/tests/test262/built-ins/Math/pow/length.js
new file mode 100644
index 0000000000..0ac918c8fb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.pow
+description: >
+  Math.pow.length is 2.
+info: |
+  Math.pow ( x, y )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form "...name"
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.pow.length, 2);
+
+verifyNotEnumerable(Math.pow, "length");
+verifyNotWritable(Math.pow, "length");
+verifyConfigurable(Math.pow, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/name.js b/js/src/tests/test262/built-ins/Math/pow/name.js
new file mode 100644
index 0000000000..c0caa2c9ad
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.pow
+description: >
+  Math.pow.name is "pow".
+info: |
+  Math.pow ( x, y )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.pow.name, "pow");
+
+verifyNotEnumerable(Math.pow, "name");
+verifyNotWritable(Math.pow, "name");
+verifyConfigurable(Math.pow, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/pow/not-a-constructor.js
new file mode 100644
index 0000000000..00ba4261fc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.pow does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.pow), false, 'isConstructor(Math.pow) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.pow();
+}, '`new Math.pow()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/prop-desc.js b/js/src/tests/test262/built-ins/Math/pow/prop-desc.js
new file mode 100644
index 0000000000..9ab2090f52
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/prop-desc.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2016 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.pow
+description: >
+  Math.pow ( base, exponent )
+info: |
+  17 ECMAScript Standard Built-in Objects:
+    Every other data property described in clauses 18 through 26 and in Annex B.2 has the attributes { [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "pow");
+verifyWritable(Math, "pow");
+verifyConfigurable(Math, "pow");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/pow/shell.js b/js/src/tests/test262/built-ins/Math/pow/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/pow/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/prop-desc.js b/js/src/tests/test262/built-ins/Math/prop-desc.js
new file mode 100644
index 0000000000..898c59a4a3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/prop-desc.js
@@ -0,0 +1,42 @@
+// Copyright (C) 2016 The V8 Project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math-object
+description: >
+  Property descriptor of Math
+info: |
+  The Math Object
+
+  ...
+  The Math object does not have a [[Construct]] internal method;
+  it is not possible to use the Math object as a constructor with the new operator.
+
+  The Math object does not have a [[Call]] internal method;
+  it is not possible to invoke the Math object as a function.
+
+  17 ECMAScript Standard Built-in Objects:
+
+  Every other data property described in clauses 18 through 26 and in Annex B.2
+  has the attributes { [[Writable]]: true, [[Enumerable]]: false,
+  [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(typeof Math, "object");
+
+assert.throws(TypeError, function() {
+  Math();
+}, "no [[Call]]");
+
+assert.throws(TypeError, function() {
+  new Math();
+}, "no [[Construct]]");
+
+verifyProperty(this, "Math", {
+  enumerable: false,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/proto.js b/js/src/tests/test262/built-ins/Math/proto.js
new file mode 100644
index 0000000000..4669750fbb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/proto.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2016 The V8 Project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math-object
+description: >
+  The prototype of Math is Object.prototype
+info: |
+  The Math Object
+
+  The value of the [[Prototype]] internal slot of the Math object is the
+  intrinsic object %ObjectPrototype%.
+---*/
+
+var proto = Object.getPrototypeOf(Math);
+
+assert.sameValue(proto, Object.prototype);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/random/S15.8.2.14_A1.js b/js/src/tests/test262/built-ins/Math/random/S15.8.2.14_A1.js
new file mode 100644
index 0000000000..d660d3e68d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/random/S15.8.2.14_A1.js
@@ -0,0 +1,30 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    Math.random() returns a number value with positive sign, greater than or
+    equal to 0 but less than 1
+es5id: 15.8.2.14_A1
+description: >
+    Checking if Math.random() is a number between 0 and 1, calling
+    Math.random() 100 times
+---*/
+
+// CHECK#1
+for (var i = 0; i < 100; i++)
+{
+  var val = Math.random();
+
+  assert.sameValue(
+    typeof val, 'number', 'should not produce a non-numeric value: ' + val
+  );
+  assert.notSameValue(val, NaN, 'should not produce NaN');
+
+  if (val < 0 || val >= 1)
+  {
+    throw new Test262Error("#1: Math.random() = " + val);
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/random/browser.js b/js/src/tests/test262/built-ins/Math/random/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/random/length.js b/js/src/tests/test262/built-ins/Math/random/length.js
new file mode 100644
index 0000000000..21c8e5304f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/random/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.27
+description: >
+  Math.random.length is 0.
+info: |
+  Math.random ( )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.random.length, 0);
+
+verifyNotEnumerable(Math.random, "length");
+verifyNotWritable(Math.random, "length");
+verifyConfigurable(Math.random, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/random/name.js b/js/src/tests/test262/built-ins/Math/random/name.js
new file mode 100644
index 0000000000..a6f983e5bc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/random/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.27
+description: >
+  Math.random.name is "random".
+info: |
+  Math.random ( )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.random.name, "random");
+
+verifyNotEnumerable(Math.random, "name");
+verifyNotWritable(Math.random, "name");
+verifyConfigurable(Math.random, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/random/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/random/not-a-constructor.js
new file mode 100644
index 0000000000..8160a93744
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/random/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.random does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.random), false, 'isConstructor(Math.random) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.random();
+}, '`new Math.random()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/random/prop-desc.js b/js/src/tests/test262/built-ins/Math/random/prop-desc.js
new file mode 100644
index 0000000000..c78765c574
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/random/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.random
+description: >
+  "random" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "random");
+verifyWritable(Math, "random");
+verifyConfigurable(Math, "random");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/random/shell.js b/js/src/tests/test262/built-ins/Math/random/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/random/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A1.js b/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A1.js
new file mode 100644
index 0000000000..8bed2740d2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A1.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is NaN, Math.round(x) is NaN
+es5id: 15.8.2.15_A1
+description: Checking if Math.round(x) is NaN, where x is NaN
+---*/
+
+assert.sameValue(Math.round(NaN), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A2.js b/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A2.js
new file mode 100644
index 0000000000..5248d4434c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A2.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +0, Math.round(x) is +0
+es5id: 15.8.2.15_A2
+description: Checking if Math.round(x) equals to +0, where x is +0
+---*/
+
+assert.sameValue(Math.round(0), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A3.js b/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A3.js
new file mode 100644
index 0000000000..7df73fb8fd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A3.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -0, Math.round(x) is -0
+es5id: 15.8.2.15_A3
+description: Checking if Math.round(x) equals to -0, where x is -0
+---*/
+
+assert.sameValue(Math.round(-0), -0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A4.js b/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A4.js
new file mode 100644
index 0000000000..498914393f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A4.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +Infinity, Math.round(x) is +Infinity
+es5id: 15.8.2.15_A4
+description: Checking if Math.round(x) is +Infinity, where x is +Infinity
+---*/
+
+// CHECK#1
+var x = +Infinity;
+assert.sameValue(Math.round(x), +Infinity, 'Math.round(+Infinity) must return +Infinity');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A5.js b/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A5.js
new file mode 100644
index 0000000000..684ae3d86d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A5.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -Infinity, Math.round(x) is -Infinity
+es5id: 15.8.2.15_A5
+description: Checking if Math.round(x) is -Infinity, where x is -Infinity
+---*/
+
+// CHECK#1
+var x = -Infinity;
+assert.sameValue(Math.round(x), -Infinity, 'Math.round(-Infinity) must return -Infinity');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A6.js b/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A6.js
new file mode 100644
index 0000000000..0c41087f28
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A6.js
@@ -0,0 +1,44 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    If x is equal to 0 or greater than 0, or if x is less than -0.5,
+    Math.round(x) is equal to Math.floor(x+0.5)
+es5id: 15.8.2.15_A6
+description: >
+    Checking if Math.round(x) is equal to Math.floor(x+0.5), where x
+    equals to 0, greater than 0, or is less than -0.5; this check is
+    performed on 2000 argument x values
+---*/
+
+// CHECK#1
+for (var i = 0; i <= 1000; i++)
+{
+  var x = i / 10.0;
+
+  assert.sameValue(
+    Math.round(x),
+    Math.floor(x + 0.5),
+    'Math.round(i / 10.0) must return the same value returned by Math.floor(x + 0.5)'
+  );
+}
+
+for (i = -5; i >= -1000; i--)
+{
+  if (i === -5)
+  {
+    x = -0.500000000000001;
+  } else
+  {
+    x = i / 10.0;
+  }
+
+  assert.sameValue(
+    Math.round(x),
+    Math.floor(x + 0.5),
+    'Math.round(i / 10.0) must return the same value returned by Math.floor(x + 0.5)'
+  );
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A7.js b/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A7.js
new file mode 100644
index 0000000000..d7a3e6e63f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/round/S15.8.2.15_A7.js
@@ -0,0 +1,60 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    If x is less than or equal to -0 and x is greater than or equal to -0.5,
+    Math.round(x) is equal to -0
+es5id: 15.8.2.15_A7
+description: >
+    `Math.round(x)` differs from `Math.floor(x + 0.5)`:
+
+    1) for values in [-0.5; -0]
+    2) for 0.5 - Number.EPSILON / 4
+    3) for odd integers in [-(2 / Number.EPSILON - 1); -(1 / Number.EPSILON + 1)] or in [1 / Number.EPSILON + 1; 2 / Number.EPSILON - 1]
+---*/
+assert.sameValue(
+  1 / Math.round(-0.5),
+  1 / -0,
+  'The result of evaluating (1 / Math.round(-0.5)) is expected to be 1 / -0'
+);
+
+assert.sameValue(
+  1 / Math.round(-0.25),
+  1 / -0,
+  'The result of evaluating (1 / Math.round(-0.25)) is expected to be 1 / -0'
+);
+
+assert.sameValue(1 / Math.round(-0), 1 / -0, 'The result of evaluating (1 / Math.round(-0)) is expected to be 1 / -0');
+
+var x = 0;
+
+// CHECK#4
+x = 0.5 - Number.EPSILON / 4;
+assert.sameValue(1 / Math.round(x), 1 / 0, 'The result of evaluating (1 / Math.round(x)) is expected to be 1 / 0');
+
+// CHECK#5
+x = -(2 / Number.EPSILON - 1);
+assert.sameValue(Math.round(x), x, 'Math.round(-(2 / Number.EPSILON - 1)) returns x');
+
+// CHECK#6
+x = -(1.5 / Number.EPSILON - 1);
+assert.sameValue(Math.round(x), x, 'Math.round(-(1.5 / Number.EPSILON - 1)) returns x');
+
+// CHECK#7
+x = -(1 / Number.EPSILON + 1);
+assert.sameValue(Math.round(x), x, 'Math.round(-(1 / Number.EPSILON + 1)) returns x');
+
+// CHECK#8
+x = 1 / Number.EPSILON + 1;
+assert.sameValue(Math.round(x), x, 'Math.round(1 / Number.EPSILON + 1) returns x');
+
+// CHECK#9
+x = 1.5 / Number.EPSILON - 1;
+assert.sameValue(Math.round(x), x, 'Math.round(1.5 / Number.EPSILON - 1) returns x');
+
+// CHECK#10
+x = 2 / Number.EPSILON - 1;
+assert.sameValue(Math.round(x), x, 'Math.round(2 / Number.EPSILON - 1) returns x');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/round/browser.js b/js/src/tests/test262/built-ins/Math/round/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/round/length.js b/js/src/tests/test262/built-ins/Math/round/length.js
new file mode 100644
index 0000000000..262c1ddebf
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/round/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.28
+description: >
+  Math.round.length is 1.
+info: |
+  Math.round ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.round.length, 1);
+
+verifyNotEnumerable(Math.round, "length");
+verifyNotWritable(Math.round, "length");
+verifyConfigurable(Math.round, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/round/name.js b/js/src/tests/test262/built-ins/Math/round/name.js
new file mode 100644
index 0000000000..d1e21d7be4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/round/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.28
+description: >
+  Math.round.name is "round".
+info: |
+  Math.round ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.round.name, "round");
+
+verifyNotEnumerable(Math.round, "name");
+verifyNotWritable(Math.round, "name");
+verifyConfigurable(Math.round, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/round/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/round/not-a-constructor.js
new file mode 100644
index 0000000000..45996875c4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/round/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.round does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.round), false, 'isConstructor(Math.round) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.round();
+}, '`new Math.round()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/round/prop-desc.js b/js/src/tests/test262/built-ins/Math/round/prop-desc.js
new file mode 100644
index 0000000000..43072ec8e1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/round/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.round
+description: >
+  "round" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "round");
+verifyWritable(Math, "round");
+verifyConfigurable(Math, "round");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/round/shell.js b/js/src/tests/test262/built-ins/Math/round/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/round/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/shell.js b/js/src/tests/test262/built-ins/Math/shell.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/sign/browser.js b/js/src/tests/test262/built-ins/Math/sign/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/sign/length.js b/js/src/tests/test262/built-ins/Math/sign/length.js
new file mode 100644
index 0000000000..2d172bfaaa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sign/length.js
@@ -0,0 +1,27 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: length property of Math.sign
+es6id: 20.2.2.29
+info: |
+  Math.sign ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.sign.length, 1);
+
+verifyNotEnumerable(Math.sign, "length");
+verifyNotWritable(Math.sign, "length");
+verifyConfigurable(Math.sign, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sign/name.js b/js/src/tests/test262/built-ins/Math/sign/name.js
new file mode 100644
index 0000000000..f706d18562
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sign/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.29
+description: >
+  Math.sign.name is "sign".
+info: |
+  Math.sign ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.sign.name, "sign");
+
+verifyNotEnumerable(Math.sign, "name");
+verifyNotWritable(Math.sign, "name");
+verifyConfigurable(Math.sign, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sign/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/sign/not-a-constructor.js
new file mode 100644
index 0000000000..73a8f9f7d9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sign/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.sign does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.sign), false, 'isConstructor(Math.sign) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.sign();
+}, '`new Math.sign()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sign/prop-desc.js b/js/src/tests/test262/built-ins/Math/sign/prop-desc.js
new file mode 100644
index 0000000000..4314141924
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sign/prop-desc.js
@@ -0,0 +1,14 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Testing descriptor property of Math.sign
+includes: [propertyHelper.js]
+es6id: 20.2.2.29
+---*/
+
+verifyNotEnumerable(Math, "sign");
+verifyWritable(Math, "sign");
+verifyConfigurable(Math, "sign");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sign/shell.js b/js/src/tests/test262/built-ins/Math/sign/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sign/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/sign/sign-specialVals.js b/js/src/tests/test262/built-ins/Math/sign/sign-specialVals.js
new file mode 100644
index 0000000000..aec756e173
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sign/sign-specialVals.js
@@ -0,0 +1,22 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: >
+  Returns the sign of the x, indicating whether x is positive, negative or zero.
+es6id: 20.2.2.29
+---*/
+
+assert.sameValue(Math.sign(NaN), NaN, "NaN");
+assert.sameValue(Math.sign(-0), -0, "-0");
+assert.sameValue(Math.sign(0), 0, "0");
+
+assert.sameValue(Math.sign(-0.000001), -1, "-0.000001");
+assert.sameValue(Math.sign(-1), -1, "-1");
+assert.sameValue(Math.sign(-Infinity), -1, "-Infinity");
+
+assert.sameValue(Math.sign(0.000001), 1, "0.000001");
+assert.sameValue(Math.sign(1), 1, "1");
+assert.sameValue(Math.sign(Infinity), 1, "Infinity");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sin/S15.8.2.16_A1.js b/js/src/tests/test262/built-ins/Math/sin/S15.8.2.16_A1.js
new file mode 100644
index 0000000000..f468c005a1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sin/S15.8.2.16_A1.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is NaN, Math.sin(x) is NaN
+es5id: 15.8.2.16_A1
+description: Checking if Math.sin(NaN) is NaN
+---*/
+
+assert.sameValue(Math.sin(NaN), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sin/S15.8.2.16_A4.js b/js/src/tests/test262/built-ins/Math/sin/S15.8.2.16_A4.js
new file mode 100644
index 0000000000..83101169b4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sin/S15.8.2.16_A4.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +Infinity, Math.sin(x) is NaN
+es5id: 15.8.2.16_A4
+description: Checking if Math.sin(+Infinity) is NaN
+---*/
+
+assert.sameValue(Math.sin(Infinity), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sin/S15.8.2.16_A5.js b/js/src/tests/test262/built-ins/Math/sin/S15.8.2.16_A5.js
new file mode 100644
index 0000000000..f90ffc984d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sin/S15.8.2.16_A5.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -Infinity, Math.sin(x) is NaN
+es5id: 15.8.2.16_A5
+description: Checking if Math.sin(-Infinity) is NaN
+---*/
+
+assert.sameValue(Math.sin(-Infinity), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sin/browser.js b/js/src/tests/test262/built-ins/Math/sin/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/sin/length.js b/js/src/tests/test262/built-ins/Math/sin/length.js
new file mode 100644
index 0000000000..887df3bb9d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sin/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.30
+description: >
+  Math.sin.length is 1.
+info: |
+  Math.sin ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.sin.length, 1);
+
+verifyNotEnumerable(Math.sin, "length");
+verifyNotWritable(Math.sin, "length");
+verifyConfigurable(Math.sin, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sin/name.js b/js/src/tests/test262/built-ins/Math/sin/name.js
new file mode 100644
index 0000000000..af0bb7c8a9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sin/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.30
+description: >
+  Math.sin.name is "sin".
+info: |
+  Math.sin ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.sin.name, "sin");
+
+verifyNotEnumerable(Math.sin, "name");
+verifyNotWritable(Math.sin, "name");
+verifyConfigurable(Math.sin, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sin/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/sin/not-a-constructor.js
new file mode 100644
index 0000000000..fec296dc85
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sin/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.sin does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.sin), false, 'isConstructor(Math.sin) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.sin();
+}, '`new Math.sin()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sin/prop-desc.js b/js/src/tests/test262/built-ins/Math/sin/prop-desc.js
new file mode 100644
index 0000000000..882e1cecf7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sin/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.sin
+description: >
+  "sin" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "sin");
+verifyWritable(Math, "sin");
+verifyConfigurable(Math, "sin");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sin/shell.js b/js/src/tests/test262/built-ins/Math/sin/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sin/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/sin/zero.js b/js/src/tests/test262/built-ins/Math/sin/zero.js
new file mode 100644
index 0000000000..e46664c047
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sin/zero.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.8.2.16_A3
+description: Return arg if -0 or +0
+---*/
+
+assert.sameValue(Math.sin(0), 0, "+0");
+assert.sameValue(Math.sin(-0), -0, "-0");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sinh/browser.js b/js/src/tests/test262/built-ins/Math/sinh/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/sinh/length.js b/js/src/tests/test262/built-ins/Math/sinh/length.js
new file mode 100644
index 0000000000..5071e9cc11
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sinh/length.js
@@ -0,0 +1,27 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: length property of Math.sinh
+es6id: 20.2.2.31
+info: |
+  Math.sinh ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.sinh.length, 1);
+
+verifyNotEnumerable(Math.sinh, "length");
+verifyNotWritable(Math.sinh, "length");
+verifyConfigurable(Math.sinh, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sinh/name.js b/js/src/tests/test262/built-ins/Math/sinh/name.js
new file mode 100644
index 0000000000..b2bb918e69
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sinh/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.31
+description: >
+  Math.sinh.name is "sinh".
+info: |
+  Math.sinh ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.sinh.name, "sinh");
+
+verifyNotEnumerable(Math.sinh, "name");
+verifyNotWritable(Math.sinh, "name");
+verifyConfigurable(Math.sinh, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sinh/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/sinh/not-a-constructor.js
new file mode 100644
index 0000000000..9a5ff08bf7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sinh/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.sinh does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.sinh), false, 'isConstructor(Math.sinh) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.sinh();
+}, '`new Math.sinh()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sinh/prop-desc.js b/js/src/tests/test262/built-ins/Math/sinh/prop-desc.js
new file mode 100644
index 0000000000..69d79060c6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sinh/prop-desc.js
@@ -0,0 +1,14 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Testing descriptor property of Math.sinh
+includes: [propertyHelper.js]
+es6id: 20.2.2.31
+---*/
+
+verifyNotEnumerable(Math, "sinh");
+verifyWritable(Math, "sinh");
+verifyConfigurable(Math, "sinh");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sinh/shell.js b/js/src/tests/test262/built-ins/Math/sinh/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sinh/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/sinh/sinh-specialVals.js b/js/src/tests/test262/built-ins/Math/sinh/sinh-specialVals.js
new file mode 100644
index 0000000000..214c9d06c7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sinh/sinh-specialVals.js
@@ -0,0 +1,20 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Math.sinh with special values
+es6id: 20.2.2.31
+---*/
+
+assert.sameValue(Math.sinh(NaN), Number.NaN,
+  "Math.sinh produces incorrect output for NaN");
+assert.sameValue(Math.sinh(Number.NEGATIVE_INFINITY), Number.NEGATIVE_INFINITY,
+  "Math.sinh should produce negative infinity for Number.NEGATIVE_INFINITY");
+assert.sameValue(Math.sinh(Number.POSITIVE_INFINITY), Number.POSITIVE_INFINITY,
+  "Math.sinh should produce positive infinity for Number.POSITIVE_INFINITY");
+assert.sameValue(1 / Math.sinh(-0), Number.NEGATIVE_INFINITY,
+  "Math.sinh should produce -0 for -0");
+assert.sameValue(1 / Math.sinh(0), Number.POSITIVE_INFINITY,
+  "Math.sinh should produce +0 for +0");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sqrt/S15.8.2.17_A1.js b/js/src/tests/test262/built-ins/Math/sqrt/S15.8.2.17_A1.js
new file mode 100644
index 0000000000..2d8537568d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sqrt/S15.8.2.17_A1.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is NaN, Math.sqrt(x) is NaN
+es5id: 15.8.2.17_A1
+description: Checking if Math.sqrt(NaN) is NaN
+---*/
+
+assert.sameValue(Math.sqrt(NaN), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sqrt/S15.8.2.17_A2.js b/js/src/tests/test262/built-ins/Math/sqrt/S15.8.2.17_A2.js
new file mode 100644
index 0000000000..4a2e18f643
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sqrt/S15.8.2.17_A2.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x less than 0, Math.sqrt(x) is NaN
+es5id: 15.8.2.17_A2
+description: Checking if Math.sqrt(x) is NaN, where x is less than 0
+---*/
+
+assert.sameValue(Math.sqrt(-0.000000000000001), NaN, "-0.000000000000001");
+assert.sameValue(Math.sqrt(-1), NaN, "-1");
+assert.sameValue(Math.sqrt(-Infinity), NaN, "-Infinity");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sqrt/S15.8.2.17_A3.js b/js/src/tests/test262/built-ins/Math/sqrt/S15.8.2.17_A3.js
new file mode 100644
index 0000000000..06c0ce2aaa
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sqrt/S15.8.2.17_A3.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is equal to +0, Math.sqrt(x) is +0
+es5id: 15.8.2.17_A3
+description: Checking if Math.sqrt(+0) equals to +0
+---*/
+
+assert.sameValue(Math.sqrt(0), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sqrt/S15.8.2.17_A4.js b/js/src/tests/test262/built-ins/Math/sqrt/S15.8.2.17_A4.js
new file mode 100644
index 0000000000..826bc09c56
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sqrt/S15.8.2.17_A4.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is equal to -0, Math.sqrt(x) is -0
+es5id: 15.8.2.17_A4
+description: Checking if Math.sqrt(-0) equals to -0
+---*/
+
+assert.sameValue(Math.sqrt(-0), -0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sqrt/S15.8.2.17_A5.js b/js/src/tests/test262/built-ins/Math/sqrt/S15.8.2.17_A5.js
new file mode 100644
index 0000000000..a276f33e33
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sqrt/S15.8.2.17_A5.js
@@ -0,0 +1,14 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is equal to +Infinity, Math.sqrt(x) is +Infinity
+es5id: 15.8.2.17_A5
+description: Checking if Math.sqrt(+Infinity) is +Infinity
+---*/
+
+// CHECK#1
+var x = +Infinity;
+assert.sameValue(Math.sqrt(x), +Infinity, 'Math.sqrt(+Infinity) must return +Infinity');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sqrt/browser.js b/js/src/tests/test262/built-ins/Math/sqrt/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/sqrt/length.js b/js/src/tests/test262/built-ins/Math/sqrt/length.js
new file mode 100644
index 0000000000..566bbf47b5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sqrt/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.32
+description: >
+  Math.sqrt.length is 1.
+info: |
+  Math.sqrt ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.sqrt.length, 1);
+
+verifyNotEnumerable(Math.sqrt, "length");
+verifyNotWritable(Math.sqrt, "length");
+verifyConfigurable(Math.sqrt, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sqrt/name.js b/js/src/tests/test262/built-ins/Math/sqrt/name.js
new file mode 100644
index 0000000000..0cca2fc7af
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sqrt/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.32
+description: >
+  Math.sqrt.name is "sqrt".
+info: |
+  Math.sqrt ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.sqrt.name, "sqrt");
+
+verifyNotEnumerable(Math.sqrt, "name");
+verifyNotWritable(Math.sqrt, "name");
+verifyConfigurable(Math.sqrt, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sqrt/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/sqrt/not-a-constructor.js
new file mode 100644
index 0000000000..e40a2f5d55
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sqrt/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.sqrt does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.sqrt), false, 'isConstructor(Math.sqrt) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.sqrt();
+}, '`new Math.sqrt()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sqrt/prop-desc.js b/js/src/tests/test262/built-ins/Math/sqrt/prop-desc.js
new file mode 100644
index 0000000000..c038ecba0a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sqrt/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.sqrt
+description: >
+  "sqrt" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "sqrt");
+verifyWritable(Math, "sqrt");
+verifyConfigurable(Math, "sqrt");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sqrt/shell.js b/js/src/tests/test262/built-ins/Math/sqrt/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/sqrt/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/tan/S15.8.2.18_A1.js b/js/src/tests/test262/built-ins/Math/tan/S15.8.2.18_A1.js
new file mode 100644
index 0000000000..7efa079c17
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/tan/S15.8.2.18_A1.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is NaN, Math.tan(x) is NaN
+es5id: 15.8.2.18_A1
+description: Checking if Math.tan(NaN) is NaN
+---*/
+
+assert.sameValue(Math.tan(NaN), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/tan/S15.8.2.18_A2.js b/js/src/tests/test262/built-ins/Math/tan/S15.8.2.18_A2.js
new file mode 100644
index 0000000000..6c43587d3f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/tan/S15.8.2.18_A2.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +0, Math.tan(x) is +0
+es5id: 15.8.2.18_A2
+description: Checking if Math.tan(+0) equals to +0
+---*/
+
+assert.sameValue(Math.tan(0), 0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/tan/S15.8.2.18_A3.js b/js/src/tests/test262/built-ins/Math/tan/S15.8.2.18_A3.js
new file mode 100644
index 0000000000..6270817147
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/tan/S15.8.2.18_A3.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -0, Math.tan(x) is -0
+es5id: 15.8.2.18_A3
+description: Checking if Math.tan(-0) equals to -0
+---*/
+
+assert.sameValue(Math.tan(-0), -0);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/tan/S15.8.2.18_A4.js b/js/src/tests/test262/built-ins/Math/tan/S15.8.2.18_A4.js
new file mode 100644
index 0000000000..b9e16e1fe7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/tan/S15.8.2.18_A4.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is +Infinity, Math.tan(x) is NaN
+es5id: 15.8.2.18_A4
+description: Checking if Math.tan(+Infinity) is NaN
+---*/
+
+assert.sameValue(Math.tan(Infinity), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/tan/S15.8.2.18_A5.js b/js/src/tests/test262/built-ins/Math/tan/S15.8.2.18_A5.js
new file mode 100644
index 0000000000..6aa4a76196
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/tan/S15.8.2.18_A5.js
@@ -0,0 +1,12 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: If x is -Infinity, Math.tan(x) is NaN
+es5id: 15.8.2.18_A5
+description: Checking if Math.tan(-Infinity) is NaN
+---*/
+
+assert.sameValue(Math.tan(-Infinity), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/tan/browser.js b/js/src/tests/test262/built-ins/Math/tan/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/tan/length.js b/js/src/tests/test262/built-ins/Math/tan/length.js
new file mode 100644
index 0000000000..0915527693
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/tan/length.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.33
+description: >
+  Math.tan.length is 1.
+info: |
+  Math.tan ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description, including optional
+    parameters. However, rest parameters shown using the form “...name”
+    are not included in the default argument count.
+
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.tan.length, 1);
+
+verifyNotEnumerable(Math.tan, "length");
+verifyNotWritable(Math.tan, "length");
+verifyConfigurable(Math.tan, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/tan/name.js b/js/src/tests/test262/built-ins/Math/tan/name.js
new file mode 100644
index 0000000000..e1f3e188d2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/tan/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.33
+description: >
+  Math.tan.name is "tan".
+info: |
+  Math.tan ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.tan.name, "tan");
+
+verifyNotEnumerable(Math.tan, "name");
+verifyNotWritable(Math.tan, "name");
+verifyConfigurable(Math.tan, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/tan/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/tan/not-a-constructor.js
new file mode 100644
index 0000000000..ea79382a35
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/tan/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.tan does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.tan), false, 'isConstructor(Math.tan) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.tan();
+}, '`new Math.tan()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/tan/prop-desc.js b/js/src/tests/test262/built-ins/Math/tan/prop-desc.js
new file mode 100644
index 0000000000..8c36377414
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/tan/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.tan
+description: >
+  "tan" property of Math
+info: |
+  Section 17: Every other data property described in clauses 18 through 26
+  and in Annex B.2 has the attributes { [[Writable]]: true,
+  [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "tan");
+verifyWritable(Math, "tan");
+verifyConfigurable(Math, "tan");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/tan/shell.js b/js/src/tests/test262/built-ins/Math/tan/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/tan/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/tanh/browser.js b/js/src/tests/test262/built-ins/Math/tanh/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/tanh/length.js b/js/src/tests/test262/built-ins/Math/tanh/length.js
new file mode 100644
index 0000000000..7af2c89df5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/tanh/length.js
@@ -0,0 +1,27 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: length property of Math.tanh
+es6id: 20.2.2.34
+info: |
+  Math.tanh ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.tanh.length, 1);
+
+verifyNotEnumerable(Math.tanh, "length");
+verifyNotWritable(Math.tanh, "length");
+verifyConfigurable(Math.tanh, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/tanh/name.js b/js/src/tests/test262/built-ins/Math/tanh/name.js
new file mode 100644
index 0000000000..af77bcfae0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/tanh/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.34
+description: >
+  Math.tanh.name is "tanh".
+info: |
+  Math.tanh ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.tanh.name, "tanh");
+
+verifyNotEnumerable(Math.tanh, "name");
+verifyNotWritable(Math.tanh, "name");
+verifyConfigurable(Math.tanh, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/tanh/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/tanh/not-a-constructor.js
new file mode 100644
index 0000000000..7f4914d650
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/tanh/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.tanh does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.tanh), false, 'isConstructor(Math.tanh) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.tanh();
+}, '`new Math.tanh()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/tanh/prop-desc.js b/js/src/tests/test262/built-ins/Math/tanh/prop-desc.js
new file mode 100644
index 0000000000..da5b65ed1f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/tanh/prop-desc.js
@@ -0,0 +1,14 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Testing descriptor property of Math.tanh
+includes: [propertyHelper.js]
+es6id: 20.2.2.34
+---*/
+
+verifyNotEnumerable(Math, "tanh");
+verifyWritable(Math, "tanh");
+verifyConfigurable(Math, "tanh");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/tanh/shell.js b/js/src/tests/test262/built-ins/Math/tanh/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/tanh/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/tanh/tanh-specialVals.js b/js/src/tests/test262/built-ins/Math/tanh/tanh-specialVals.js
new file mode 100644
index 0000000000..3145214035
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/tanh/tanh-specialVals.js
@@ -0,0 +1,20 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Math.tanh with special values
+es6id: 20.2.2.34
+---*/
+
+assert.sameValue(Math.tanh(NaN), Number.NaN,
+  "Math.tanh produces incorrect output for NaN");
+assert.sameValue(Math.tanh(Number.NEGATIVE_INFINITY), -1,
+  "Math.tanh should produce -1 for Number.NEGATIVE_INFINITY");
+assert.sameValue(Math.tanh(Number.POSITIVE_INFINITY), 1,
+  "Math.tanh should produce 1 for Number.POSITIVE_INFINITY");
+assert.sameValue(1 / Math.tanh(-0), Number.NEGATIVE_INFINITY,
+  "Math.tanh should produce -0 for -0");
+assert.sameValue(1 / Math.tanh(0), Number.POSITIVE_INFINITY,
+  "Math.tanh should produce +0 for +0");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_Infinity.js b/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_Infinity.js
new file mode 100644
index 0000000000..283ede8ae0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_Infinity.js
@@ -0,0 +1,13 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.35
+author: Ryan Lewis
+description: Return arg when called with Infinity or -Infinity.
+---*/
+
+assert.sameValue(Math.trunc(Infinity), Infinity, 'Math.trunc(Infinity)');
+assert.sameValue(Math.trunc(-Infinity), -Infinity, 'Math.trunc(-Infinity)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_NaN.js b/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_NaN.js
new file mode 100644
index 0000000000..be3598e4f3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_NaN.js
@@ -0,0 +1,12 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.35
+author: Ryan Lewis
+description: Math.trunc should return NaN when called with NaN.
+---*/
+
+assert.sameValue(Math.trunc(NaN), NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_NegDecimal.js b/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_NegDecimal.js
new file mode 100644
index 0000000000..1543bdeefd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_NegDecimal.js
@@ -0,0 +1,12 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.35
+author: Ryan Lewis
+description: Math.trunc should return -0 if called with a value between 0 and -1.
+---*/
+
+assert.sameValue(Math.trunc(-.9), -0, 'Math.trunc(-.9)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_PosDecimal.js b/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_PosDecimal.js
new file mode 100644
index 0000000000..4a5ec1db63
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_PosDecimal.js
@@ -0,0 +1,12 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.35
+author: Ryan Lewis
+description: Math.trunc should return 0 if called with a value between 0 and 1.
+---*/
+
+assert.sameValue(Math.trunc(.9), 0, 'Math.trunc(.9)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_Success.js b/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_Success.js
new file mode 100644
index 0000000000..24f2eaa38a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_Success.js
@@ -0,0 +1,12 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.35
+author: Ryan Lewis
+description: Math.trunc should return 4578 if called with 4578.584949
+---*/
+
+assert.sameValue(Math.trunc(4578.584949), 4578, 'Math.trunc(4578.584949)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_Zero.js b/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_Zero.js
new file mode 100644
index 0000000000..87e4068b6c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/trunc/Math.trunc_Zero.js
@@ -0,0 +1,12 @@
+// Copyright (c) 2014 Ryan Lewis. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.35
+author: Ryan Lewis
+description: Math.trunc should return 0 when called with 0.
+---*/
+
+assert.sameValue(Math.trunc(0), 0, 'Math.trunc(0)');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/trunc/browser.js b/js/src/tests/test262/built-ins/Math/trunc/browser.js
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/js/src/tests/test262/built-ins/Math/trunc/length.js b/js/src/tests/test262/built-ins/Math/trunc/length.js
new file mode 100644
index 0000000000..593f893d82
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/trunc/length.js
@@ -0,0 +1,27 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: length property of Math.trunc
+es6id: 20.2.2.35
+info: |
+  Math.trunc ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.trunc.length, 1);
+
+verifyNotEnumerable(Math.trunc, "length");
+verifyNotWritable(Math.trunc, "length");
+verifyConfigurable(Math.trunc, "length");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/trunc/name.js b/js/src/tests/test262/built-ins/Math/trunc/name.js
new file mode 100644
index 0000000000..25f8a0cc3c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/trunc/name.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.2.2.35
+description: >
+  Math.trunc.name is "trunc".
+info: |
+  Math.trunc ( x )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Math.trunc.name, "trunc");
+
+verifyNotEnumerable(Math.trunc, "name");
+verifyNotWritable(Math.trunc, "name");
+verifyConfigurable(Math.trunc, "name");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/trunc/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/trunc/not-a-constructor.js
new file mode 100644
index 0000000000..1a55c671b4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/trunc/not-a-constructor.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.trunc does not implement [[Construct]], is not new-able
+info: |
+  ECMAScript Function Objects
+
+  Built-in function objects that are not identified as constructors do not
+  implement the [[Construct]] internal method unless otherwise specified in
+  the description of a particular function.
+
+  sec-evaluatenew
+
+  ...
+  7. If IsConstructor(constructor) is false, throw a TypeError exception.
+  ...
+includes: [isConstructor.js]
+features: [Reflect.construct, arrow-function]
+---*/
+
+assert.sameValue(isConstructor(Math.trunc), false, 'isConstructor(Math.trunc) must return false');
+
+assert.throws(TypeError, () => {
+  new Math.trunc();
+}, '`new Math.trunc()` throws TypeError');
+
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/trunc/prop-desc.js b/js/src/tests/test262/built-ins/Math/trunc/prop-desc.js
new file mode 100644
index 0000000000..a6734854fe
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/trunc/prop-desc.js
@@ -0,0 +1,14 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Testing descriptor property of Math.trunc
+includes: [propertyHelper.js]
+es6id: 20.2.2.35
+---*/
+
+verifyNotEnumerable(Math, "trunc");
+verifyWritable(Math, "trunc");
+verifyConfigurable(Math, "trunc");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/trunc/shell.js b/js/src/tests/test262/built-ins/Math/trunc/shell.js
new file mode 100644
index 0000000000..eda1477282
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/trunc/shell.js
@@ -0,0 +1,24 @@
+// GENERATED, DO NOT EDIT
+// file: isConstructor.js
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: |
+    Test if a given function is a constructor function.
+defines: [isConstructor]
+features: [Reflect.construct]
+---*/
+
+function isConstructor(f) {
+    if (typeof f !== "function") {
+      throw new Test262Error("isConstructor invoked with a non-function value");
+    }
+
+    try {
+        Reflect.construct(function(){}, [], f);
+    } catch (e) {
+        return false;
+    }
+    return true;
+}
diff --git a/js/src/tests/test262/built-ins/Math/trunc/trunc-sampleTests.js b/js/src/tests/test262/built-ins/Math/trunc/trunc-sampleTests.js
new file mode 100644
index 0000000000..70da243d80
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/trunc/trunc-sampleTests.js
@@ -0,0 +1,49 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: sample tests for trunc
+es6id: 20.2.2.35
+---*/
+
+assert.sameValue(1 / Math.trunc(0.02047410048544407), Number.POSITIVE_INFINITY,
+  "Math.trunc should produce +0 for values between 0 and 1");
+assert.sameValue(1 / Math.trunc(0.00000000000000001), Number.POSITIVE_INFINITY,
+  "Math.trunc should produce +0 for values between 0 and 1");
+assert.sameValue(1 / Math.trunc(0.9999999999999999), Number.POSITIVE_INFINITY,
+  "Math.trunc should produce +0 for values between 0 and 1");
+assert.sameValue(1 / Math.trunc(Number.EPSILON), Number.POSITIVE_INFINITY,
+  "Math.trunc should produce +0 for values between 0 and 1");
+assert.sameValue(1 / Math.trunc(Number.MIN_VALUE), Number.POSITIVE_INFINITY,
+  "Math.trunc should produce +0 for values between 0 and 1");
+
+assert.sameValue(1 / Math.trunc(-0.02047410048544407), Number.NEGATIVE_INFINITY,
+  "Math.trunc should produce -0 for values between -1 and 0");
+assert.sameValue(1 / Math.trunc(-0.00000000000000001), Number.NEGATIVE_INFINITY,
+  "Math.trunc should produce -0 for values between -1 and 0");
+assert.sameValue(1 / Math.trunc(-0.9999999999999999), Number.NEGATIVE_INFINITY,
+  "Math.trunc should produce -0 for values between -1 and 0");
+assert.sameValue(1 / Math.trunc(-Number.EPSILON), Number.NEGATIVE_INFINITY,
+  "Math.trunc should produce -0 for values between -1 and 0");
+assert.sameValue(1 / Math.trunc(-Number.MIN_VALUE), Number.NEGATIVE_INFINITY,
+  "Math.trunc should produce -0 for values between -1 and 0");
+
+assert.sameValue(Math.trunc(Number.MAX_VALUE), Math.floor(Number.MAX_VALUE),
+  "Math.trunc produces incorrect result for Number.MAX_VALUE");
+assert.sameValue(Math.trunc(10), Math.floor(10),
+  "Math.trunc produces incorrect result for 10");
+assert.sameValue(Math.trunc(3.9), Math.floor(3.9),
+  "Math.trunc produces incorrect result for 3.9");
+assert.sameValue(Math.trunc(4.9), Math.floor(4.9),
+  "Math.trunc produces incorrect result for 4.9");
+
+assert.sameValue(Math.trunc(-Number.MAX_VALUE), Math.ceil(-Number.MAX_VALUE),
+  "Math.trunc produces incorrect result for -Number.MAX_VALUE");
+assert.sameValue(Math.trunc(-10), Math.ceil(-10),
+  "Math.trunc produces incorrect result for -10");
+assert.sameValue(Math.trunc(-3.9), Math.ceil(-3.9),
+  "Math.trunc produces incorrect result for -3.9");
+assert.sameValue(Math.trunc(-4.9), Math.ceil(-4.9),
+  "Math.trunc produces incorrect result for -4.9");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/trunc/trunc-specialVals.js b/js/src/tests/test262/built-ins/Math/trunc/trunc-specialVals.js
new file mode 100644
index 0000000000..7e6c8c1051
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/trunc/trunc-specialVals.js
@@ -0,0 +1,18 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Math.trunc with sample values.
+es6id: 20.2.2.35
+---*/
+
+assert.sameValue(Math.trunc(Number.NEGATIVE_INFINITY), Number.NEGATIVE_INFINITY,
+  "Math.trunc should produce negative infinity for Number.NEGATIVE_INFINITY");
+assert.sameValue(Math.trunc(Number.POSITIVE_INFINITY), Number.POSITIVE_INFINITY,
+  "Math.trunc should produce positive infinity for Number.POSITIVE_INFINITY");
+assert.sameValue(1 / Math.trunc(-0), Number.NEGATIVE_INFINITY,
+  "Math.trunc should produce -0 for -0");
+assert.sameValue(1 / Math.trunc(0), Number.POSITIVE_INFINITY,
+  "Math.trunc should produce +0 for +0");
+
+reportCompare(0, 0);
-- 
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