From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../prototype/at/returns-item-relative-index.js | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 js/src/tests/test262/built-ins/TypedArray/prototype/at/returns-item-relative-index.js (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/at/returns-item-relative-index.js') diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/at/returns-item-relative-index.js b/js/src/tests/test262/built-ins/TypedArray/prototype/at/returns-item-relative-index.js new file mode 100644 index 0000000000..ff4d81fc04 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/at/returns-item-relative-index.js @@ -0,0 +1,39 @@ +// Copyright (C) 2020 Rick Waldron. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-%typedarray%.prototype.at +description: > + Returns the item value at the specified relative index +info: | + %TypedArray%.prototype.at( index ) + + Let O be the this value. + Perform ? ValidateTypedArray(O). + Let len be O.[[ArrayLength]]. + Let relativeIndex be ? ToInteger(index). + If relativeIndex ≥ 0, then + Let k be relativeIndex. + Else, + Let k be len + relativeIndex. + If k < 0 or k ≥ len, then return undefined. + Return ? Get(O, ! ToString(k)). + +includes: [testTypedArray.js] +features: [TypedArray,TypedArray.prototype.at] +---*/ +assert.sameValue( + typeof TypedArray.prototype.at, + 'function', + 'The value of `typeof TypedArray.prototype.at` is "function"' +); + +testWithTypedArrayConstructors(TA => { + let a = new TA([1, 2, 3, 4, 5]); + assert.sameValue(a.at(0), 1, 'a.at(0) must return 1'); + assert.sameValue(a.at(-1), 5, 'a.at(-1) must return 5'); + assert.sameValue(a.at(-2), 4, 'a.at(-2) must return 4'); + assert.sameValue(a.at(-3), 3, 'a.at(-3) must return 3'); + assert.sameValue(a.at(-4), 2, 'a.at(-4) must return 2'); +}); + +reportCompare(0, 0); -- cgit v1.2.3