From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- js/src/tests/test262/harness/shell.js | 3798 +++++++++++++++++++++++++++++++++ 1 file changed, 3798 insertions(+) create mode 100644 js/src/tests/test262/harness/shell.js (limited to 'js/src/tests/test262/harness/shell.js') diff --git a/js/src/tests/test262/harness/shell.js b/js/src/tests/test262/harness/shell.js new file mode 100644 index 0000000000..4e6994c9d3 --- /dev/null +++ b/js/src/tests/test262/harness/shell.js @@ -0,0 +1,3798 @@ +// GENERATED, DO NOT EDIT +// file: assertRelativeDateMs.js +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: | + Verify that the given date object's Number representation describes the + correct number of milliseconds since the Unix epoch relative to the local + time zone (as interpreted at the specified date). +defines: [assertRelativeDateMs] +---*/ + +/** + * @param {Date} date + * @param {Number} expectedMs + */ +function assertRelativeDateMs(date, expectedMs) { + var actualMs = date.valueOf(); + var localOffset = date.getTimezoneOffset() * 60000; + + if (actualMs - localOffset !== expectedMs) { + throw new Test262Error( + 'Expected ' + date + ' to be ' + expectedMs + + ' milliseconds from the Unix epoch' + ); + } +} + +// file: asyncHelpers.js +// Copyright (C) 2022 Igalia, S.L. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: | + A collection of assertion and wrapper functions for testing asynchronous built-ins. +defines: [asyncTest] +---*/ + +function asyncTest(testFunc) { + if (!Object.hasOwn(globalThis, "$DONE")) { + throw new Test262Error("asyncTest called without async flag"); + } + if (typeof testFunc !== "function") { + $DONE(new Test262Error("asyncTest called with non-function argument")); + return; + } + try { + testFunc().then( + function () { + $DONE(); + }, + function (error) { + $DONE(error); + } + ); + } catch (syncError) { + $DONE(syncError); + } +} + +assert.throwsAsync = async function (expectedErrorConstructor, func, message) { + var innerThenable; + if (message === undefined) { + message = ""; + } else { + message += " "; + } + if (typeof func === "function") { + try { + innerThenable = func(); + if ( + innerThenable === null || + typeof innerThenable !== "object" || + typeof innerThenable.then !== "function" + ) { + message += + "Expected to obtain an inner promise that would reject with a" + + expectedErrorConstructor.name + + " but result was not a thenable"; + throw new Test262Error(message); + } + } catch (thrown) { + message += + "Expected a " + + expectedErrorConstructor.name + + " to be thrown asynchronously but an exception was thrown synchronously while obtaining the inner promise"; + throw new Test262Error(message); + } + } else { + message += + "assert.throwsAsync called with an argument that is not a function"; + throw new Test262Error(message); + } + + try { + return innerThenable.then( + function () { + message += + "Expected a " + + expectedErrorConstructor.name + + " to be thrown asynchronously but no exception was thrown at all"; + throw new Test262Error(message); + }, + function (thrown) { + var expectedName, actualName; + if (typeof thrown !== "object" || thrown === null) { + message += "Thrown value was not an object!"; + throw new Test262Error(message); + } else if (thrown.constructor !== expectedErrorConstructor) { + expectedName = expectedErrorConstructor.name; + actualName = thrown.constructor.name; + if (expectedName === actualName) { + message += + "Expected a " + + expectedName + + " but got a different error constructor with the same name"; + } else { + message += + "Expected a " + expectedName + " but got a " + actualName; + } + throw new Test262Error(message); + } + } + ); + } catch (thrown) { + if (typeof thrown !== "object" || thrown === null) { + message += + "Expected a " + + expectedErrorConstructor.name + + " to be thrown asynchronously but innerThenable synchronously threw a value that was not an object "; + } else { + message += + "Expected a " + + expectedErrorConstructor.name + + " to be thrown asynchronously but a " + + thrown.constructor.name + + " was thrown synchronously"; + } + throw new Test262Error(message); + } +}; + +// file: byteConversionValues.js +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: | + Provide a list for original and expected values for different byte + conversions. + This helper is mostly used on tests for TypedArray and DataView, and each + array from the expected values must match the original values array on every + index containing its original value. +defines: [byteConversionValues] +---*/ +var byteConversionValues = { + values: [ + 127, // 2 ** 7 - 1 + 128, // 2 ** 7 + 32767, // 2 ** 15 - 1 + 32768, // 2 ** 15 + 2147483647, // 2 ** 31 - 1 + 2147483648, // 2 ** 31 + 255, // 2 ** 8 - 1 + 256, // 2 ** 8 + 65535, // 2 ** 16 - 1 + 65536, // 2 ** 16 + 4294967295, // 2 ** 32 - 1 + 4294967296, // 2 ** 32 + 9007199254740991, // 2 ** 53 - 1 + 9007199254740992, // 2 ** 53 + 1.1, + 0.1, + 0.5, + 0.50000001, + 0.6, + 0.7, + undefined, + -1, + -0, + -0.1, + -1.1, + NaN, + -127, // - ( 2 ** 7 - 1 ) + -128, // - ( 2 ** 7 ) + -32767, // - ( 2 ** 15 - 1 ) + -32768, // - ( 2 ** 15 ) + -2147483647, // - ( 2 ** 31 - 1 ) + -2147483648, // - ( 2 ** 31 ) + -255, // - ( 2 ** 8 - 1 ) + -256, // - ( 2 ** 8 ) + -65535, // - ( 2 ** 16 - 1 ) + -65536, // - ( 2 ** 16 ) + -4294967295, // - ( 2 ** 32 - 1 ) + -4294967296, // - ( 2 ** 32 ) + Infinity, + -Infinity, + 0 + ], + + expected: { + Int8: [ + 127, // 127 + -128, // 128 + -1, // 32767 + 0, // 32768 + -1, // 2147483647 + 0, // 2147483648 + -1, // 255 + 0, // 256 + -1, // 65535 + 0, // 65536 + -1, // 4294967295 + 0, // 4294967296 + -1, // 9007199254740991 + 0, // 9007199254740992 + 1, // 1.1 + 0, // 0.1 + 0, // 0.5 + 0, // 0.50000001, + 0, // 0.6 + 0, // 0.7 + 0, // undefined + -1, // -1 + 0, // -0 + 0, // -0.1 + -1, // -1.1 + 0, // NaN + -127, // -127 + -128, // -128 + 1, // -32767 + 0, // -32768 + 1, // -2147483647 + 0, // -2147483648 + 1, // -255 + 0, // -256 + 1, // -65535 + 0, // -65536 + 1, // -4294967295 + 0, // -4294967296 + 0, // Infinity + 0, // -Infinity + 0 + ], + Uint8: [ + 127, // 127 + 128, // 128 + 255, // 32767 + 0, // 32768 + 255, // 2147483647 + 0, // 2147483648 + 255, // 255 + 0, // 256 + 255, // 65535 + 0, // 65536 + 255, // 4294967295 + 0, // 4294967296 + 255, // 9007199254740991 + 0, // 9007199254740992 + 1, // 1.1 + 0, // 0.1 + 0, // 0.5 + 0, // 0.50000001, + 0, // 0.6 + 0, // 0.7 + 0, // undefined + 255, // -1 + 0, // -0 + 0, // -0.1 + 255, // -1.1 + 0, // NaN + 129, // -127 + 128, // -128 + 1, // -32767 + 0, // -32768 + 1, // -2147483647 + 0, // -2147483648 + 1, // -255 + 0, // -256 + 1, // -65535 + 0, // -65536 + 1, // -4294967295 + 0, // -4294967296 + 0, // Infinity + 0, // -Infinity + 0 + ], + Uint8Clamped: [ + 127, // 127 + 128, // 128 + 255, // 32767 + 255, // 32768 + 255, // 2147483647 + 255, // 2147483648 + 255, // 255 + 255, // 256 + 255, // 65535 + 255, // 65536 + 255, // 4294967295 + 255, // 4294967296 + 255, // 9007199254740991 + 255, // 9007199254740992 + 1, // 1.1, + 0, // 0.1 + 0, // 0.5 + 1, // 0.50000001, + 1, // 0.6 + 1, // 0.7 + 0, // undefined + 0, // -1 + 0, // -0 + 0, // -0.1 + 0, // -1.1 + 0, // NaN + 0, // -127 + 0, // -128 + 0, // -32767 + 0, // -32768 + 0, // -2147483647 + 0, // -2147483648 + 0, // -255 + 0, // -256 + 0, // -65535 + 0, // -65536 + 0, // -4294967295 + 0, // -4294967296 + 255, // Infinity + 0, // -Infinity + 0 + ], + Int16: [ + 127, // 127 + 128, // 128 + 32767, // 32767 + -32768, // 32768 + -1, // 2147483647 + 0, // 2147483648 + 255, // 255 + 256, // 256 + -1, // 65535 + 0, // 65536 + -1, // 4294967295 + 0, // 4294967296 + -1, // 9007199254740991 + 0, // 9007199254740992 + 1, // 1.1 + 0, // 0.1 + 0, // 0.5 + 0, // 0.50000001, + 0, // 0.6 + 0, // 0.7 + 0, // undefined + -1, // -1 + 0, // -0 + 0, // -0.1 + -1, // -1.1 + 0, // NaN + -127, // -127 + -128, // -128 + -32767, // -32767 + -32768, // -32768 + 1, // -2147483647 + 0, // -2147483648 + -255, // -255 + -256, // -256 + 1, // -65535 + 0, // -65536 + 1, // -4294967295 + 0, // -4294967296 + 0, // Infinity + 0, // -Infinity + 0 + ], + Uint16: [ + 127, // 127 + 128, // 128 + 32767, // 32767 + 32768, // 32768 + 65535, // 2147483647 + 0, // 2147483648 + 255, // 255 + 256, // 256 + 65535, // 65535 + 0, // 65536 + 65535, // 4294967295 + 0, // 4294967296 + 65535, // 9007199254740991 + 0, // 9007199254740992 + 1, // 1.1 + 0, // 0.1 + 0, // 0.5 + 0, // 0.50000001, + 0, // 0.6 + 0, // 0.7 + 0, // undefined + 65535, // -1 + 0, // -0 + 0, // -0.1 + 65535, // -1.1 + 0, // NaN + 65409, // -127 + 65408, // -128 + 32769, // -32767 + 32768, // -32768 + 1, // -2147483647 + 0, // -2147483648 + 65281, // -255 + 65280, // -256 + 1, // -65535 + 0, // -65536 + 1, // -4294967295 + 0, // -4294967296 + 0, // Infinity + 0, // -Infinity + 0 + ], + Int32: [ + 127, // 127 + 128, // 128 + 32767, // 32767 + 32768, // 32768 + 2147483647, // 2147483647 + -2147483648, // 2147483648 + 255, // 255 + 256, // 256 + 65535, // 65535 + 65536, // 65536 + -1, // 4294967295 + 0, // 4294967296 + -1, // 9007199254740991 + 0, // 9007199254740992 + 1, // 1.1 + 0, // 0.1 + 0, // 0.5 + 0, // 0.50000001, + 0, // 0.6 + 0, // 0.7 + 0, // undefined + -1, // -1 + 0, // -0 + 0, // -0.1 + -1, // -1.1 + 0, // NaN + -127, // -127 + -128, // -128 + -32767, // -32767 + -32768, // -32768 + -2147483647, // -2147483647 + -2147483648, // -2147483648 + -255, // -255 + -256, // -256 + -65535, // -65535 + -65536, // -65536 + 1, // -4294967295 + 0, // -4294967296 + 0, // Infinity + 0, // -Infinity + 0 + ], + Uint32: [ + 127, // 127 + 128, // 128 + 32767, // 32767 + 32768, // 32768 + 2147483647, // 2147483647 + 2147483648, // 2147483648 + 255, // 255 + 256, // 256 + 65535, // 65535 + 65536, // 65536 + 4294967295, // 4294967295 + 0, // 4294967296 + 4294967295, // 9007199254740991 + 0, // 9007199254740992 + 1, // 1.1 + 0, // 0.1 + 0, // 0.5 + 0, // 0.50000001, + 0, // 0.6 + 0, // 0.7 + 0, // undefined + 4294967295, // -1 + 0, // -0 + 0, // -0.1 + 4294967295, // -1.1 + 0, // NaN + 4294967169, // -127 + 4294967168, // -128 + 4294934529, // -32767 + 4294934528, // -32768 + 2147483649, // -2147483647 + 2147483648, // -2147483648 + 4294967041, // -255 + 4294967040, // -256 + 4294901761, // -65535 + 4294901760, // -65536 + 1, // -4294967295 + 0, // -4294967296 + 0, // Infinity + 0, // -Infinity + 0 + ], + Float16: [ + 127, // 127 + 128, // 128 + 32768, // 32767 + 32768, // 32768 + Infinity, // 2147483647 + Infinity, // 2147483648 + 255, // 255 + 256, // 256 + Infinity, // 65535 + Infinity, // 65536 + Infinity, // 4294967295 + Infinity, // 4294967296 + Infinity, // 9007199254740991 + Infinity, // 9007199254740992 + 1.099609375, // 1.1 + 0.0999755859375, // 0.1 + 0.5, // 0.5 + 0.5, // 0.50000001, + 0.60009765625, // 0.6 + 0.7001953125, // 0.7 + NaN, // undefined + -1, // -1 + -0, // -0 + -0.0999755859375, // -0.1 + -1.099609375, // -1.1 + NaN, // NaN + -127, // -127 + -128, // -128 + -32768, // -32767 + -32768, // -32768 + -Infinity, // -2147483647 + -Infinity, // -2147483648 + -255, // -255 + -256, // -256 + -Infinity, // -65535 + -Infinity, // -65536 + -Infinity, // -4294967295 + -Infinity, // -4294967296 + Infinity, // Infinity + -Infinity, // -Infinity + 0 + ], + Float32: [ + 127, // 127 + 128, // 128 + 32767, // 32767 + 32768, // 32768 + 2147483648, // 2147483647 + 2147483648, // 2147483648 + 255, // 255 + 256, // 256 + 65535, // 65535 + 65536, // 65536 + 4294967296, // 4294967295 + 4294967296, // 4294967296 + 9007199254740992, // 9007199254740991 + 9007199254740992, // 9007199254740992 + 1.100000023841858, // 1.1 + 0.10000000149011612, // 0.1 + 0.5, // 0.5 + 0.5, // 0.50000001, + 0.6000000238418579, // 0.6 + 0.699999988079071, // 0.7 + NaN, // undefined + -1, // -1 + -0, // -0 + -0.10000000149011612, // -0.1 + -1.100000023841858, // -1.1 + NaN, // NaN + -127, // -127 + -128, // -128 + -32767, // -32767 + -32768, // -32768 + -2147483648, // -2147483647 + -2147483648, // -2147483648 + -255, // -255 + -256, // -256 + -65535, // -65535 + -65536, // -65536 + -4294967296, // -4294967295 + -4294967296, // -4294967296 + Infinity, // Infinity + -Infinity, // -Infinity + 0 + ], + Float64: [ + 127, // 127 + 128, // 128 + 32767, // 32767 + 32768, // 32768 + 2147483647, // 2147483647 + 2147483648, // 2147483648 + 255, // 255 + 256, // 256 + 65535, // 65535 + 65536, // 65536 + 4294967295, // 4294967295 + 4294967296, // 4294967296 + 9007199254740991, // 9007199254740991 + 9007199254740992, // 9007199254740992 + 1.1, // 1.1 + 0.1, // 0.1 + 0.5, // 0.5 + 0.50000001, // 0.50000001, + 0.6, // 0.6 + 0.7, // 0.7 + NaN, // undefined + -1, // -1 + -0, // -0 + -0.1, // -0.1 + -1.1, // -1.1 + NaN, // NaN + -127, // -127 + -128, // -128 + -32767, // -32767 + -32768, // -32768 + -2147483647, // -2147483647 + -2147483648, // -2147483648 + -255, // -255 + -256, // -256 + -65535, // -65535 + -65536, // -65536 + -4294967295, // -4294967295 + -4294967296, // -4294967296 + Infinity, // Infinity + -Infinity, // -Infinity + 0 + ] + } +}; + +// file: dateConstants.js +// Copyright (C) 2009 the Sputnik authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: | + Collection of date-centric values +defines: + - date_1899_end + - date_1900_start + - date_1969_end + - date_1970_start + - date_1999_end + - date_2000_start + - date_2099_end + - date_2100_start + - start_of_time + - end_of_time +---*/ + +var date_1899_end = -2208988800001; +var date_1900_start = -2208988800000; +var date_1969_end = -1; +var date_1970_start = 0; +var date_1999_end = 946684799999; +var date_2000_start = 946684800000; +var date_2099_end = 4102444799999; +var date_2100_start = 4102444800000; + +var start_of_time = -8.64e15; +var end_of_time = 8.64e15; + +// file: decimalToHexString.js +// Copyright (C) 2017 André Bargull. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: | + Collection of functions used to assert the correctness of various encoding operations. +defines: [decimalToHexString, decimalToPercentHexString] +---*/ + +function decimalToHexString(n) { + var hex = "0123456789ABCDEF"; + n >>>= 0; + var s = ""; + while (n) { + s = hex[n & 0xf] + s; + n >>>= 4; + } + while (s.length < 4) { + s = "0" + s; + } + return s; +} + +function decimalToPercentHexString(n) { + var hex = "0123456789ABCDEF"; + return "%" + hex[(n >> 4) & 0xf] + hex[n & 0xf]; +} + +// file: deepEqual.js +// Copyright 2019 Ron Buckton. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: > + Compare two values structurally +defines: [assert.deepEqual] +---*/ + +assert.deepEqual = function(actual, expected, message) { + var format = assert.deepEqual.format; + assert( + assert.deepEqual._compare(actual, expected), + `Expected ${format(actual)} to be structurally equal to ${format(expected)}. ${(message || '')}` + ); +}; + +assert.deepEqual.format = function(value, seen) { + switch (typeof value) { + case 'string': + return typeof JSON !== "undefined" ? JSON.stringify(value) : `"${value}"`; + case 'number': + case 'boolean': + case 'symbol': + case 'bigint': + return value.toString(); + case 'undefined': + return 'undefined'; + case 'function': + return `[Function${value.name ? `: ${value.name}` : ''}]`; + case 'object': + if (value === null) return 'null'; + if (value instanceof Date) return `Date "${value.toISOString()}"`; + if (value instanceof RegExp) return value.toString(); + if (!seen) { + seen = { + counter: 0, + map: new Map() + }; + } + + let usage = seen.map.get(value); + if (usage) { + usage.used = true; + return `[Ref: #${usage.id}]`; + } + + usage = { id: ++seen.counter, used: false }; + seen.map.set(value, usage); + + if (typeof Set !== "undefined" && value instanceof Set) { + return `Set {${Array.from(value).map(value => assert.deepEqual.format(value, seen)).join(', ')}}${usage.used ? ` as #${usage.id}` : ''}`; + } + if (typeof Map !== "undefined" && value instanceof Map) { + return `Map {${Array.from(value).map(pair => `${assert.deepEqual.format(pair[0], seen)} => ${assert.deepEqual.format(pair[1], seen)}}`).join(', ')}}${usage.used ? ` as #${usage.id}` : ''}`; + } + if (Array.isArray ? Array.isArray(value) : value instanceof Array) { + return `[${value.map(value => assert.deepEqual.format(value, seen)).join(', ')}]${usage.used ? ` as #${usage.id}` : ''}`; + } + let tag = Symbol.toStringTag in value ? value[Symbol.toStringTag] : 'Object'; + if (tag === 'Object' && Object.getPrototypeOf(value) === null) { + tag = '[Object: null prototype]'; + } + return `${tag ? `${tag} ` : ''}{ ${Object.keys(value).map(key => `${key.toString()}: ${assert.deepEqual.format(value[key], seen)}`).join(', ')} }${usage.used ? ` as #${usage.id}` : ''}`; + default: + return typeof value; + } +}; + +assert.deepEqual._compare = (function () { + var EQUAL = 1; + var NOT_EQUAL = -1; + var UNKNOWN = 0; + + function deepEqual(a, b) { + return compareEquality(a, b) === EQUAL; + } + + function compareEquality(a, b, cache) { + return compareIf(a, b, isOptional, compareOptionality) + || compareIf(a, b, isPrimitiveEquatable, comparePrimitiveEquality) + || compareIf(a, b, isObjectEquatable, compareObjectEquality, cache) + || NOT_EQUAL; + } + + function compareIf(a, b, test, compare, cache) { + return !test(a) + ? !test(b) ? UNKNOWN : NOT_EQUAL + : !test(b) ? NOT_EQUAL : cacheComparison(a, b, compare, cache); + } + + function tryCompareStrictEquality(a, b) { + return a === b ? EQUAL : UNKNOWN; + } + + function tryCompareTypeOfEquality(a, b) { + return typeof a !== typeof b ? NOT_EQUAL : UNKNOWN; + } + + function tryCompareToStringTagEquality(a, b) { + var aTag = Symbol.toStringTag in a ? a[Symbol.toStringTag] : undefined; + var bTag = Symbol.toStringTag in b ? b[Symbol.toStringTag] : undefined; + return aTag !== bTag ? NOT_EQUAL : UNKNOWN; + } + + function isOptional(value) { + return value === undefined + || value === null; + } + + function compareOptionality(a, b) { + return tryCompareStrictEquality(a, b) + || NOT_EQUAL; + } + + function isPrimitiveEquatable(value) { + switch (typeof value) { + case 'string': + case 'number': + case 'bigint': + case 'boolean': + case 'symbol': + return true; + default: + return isBoxed(value); + } + } + + function comparePrimitiveEquality(a, b) { + if (isBoxed(a)) a = a.valueOf(); + if (isBoxed(b)) b = b.valueOf(); + return tryCompareStrictEquality(a, b) + || tryCompareTypeOfEquality(a, b) + || compareIf(a, b, isNaNEquatable, compareNaNEquality) + || NOT_EQUAL; + } + + function isNaNEquatable(value) { + return typeof value === 'number'; + } + + function compareNaNEquality(a, b) { + return isNaN(a) && isNaN(b) ? EQUAL : NOT_EQUAL; + } + + function isObjectEquatable(value) { + return typeof value === 'object'; + } + + function compareObjectEquality(a, b, cache) { + if (!cache) cache = new Map(); + return getCache(cache, a, b) + || setCache(cache, a, b, EQUAL) // consider equal for now + || cacheComparison(a, b, tryCompareStrictEquality, cache) + || cacheComparison(a, b, tryCompareToStringTagEquality, cache) + || compareIf(a, b, isValueOfEquatable, compareValueOfEquality) + || compareIf(a, b, isToStringEquatable, compareToStringEquality) + || compareIf(a, b, isArrayLikeEquatable, compareArrayLikeEquality, cache) + || compareIf(a, b, isStructurallyEquatable, compareStructuralEquality, cache) + || compareIf(a, b, isIterableEquatable, compareIterableEquality, cache) + || cacheComparison(a, b, fail, cache); + } + + function isBoxed(value) { + return value instanceof String + || value instanceof Number + || value instanceof Boolean + || typeof Symbol === 'function' && value instanceof Symbol + || typeof BigInt === 'function' && value instanceof BigInt; + } + + function isValueOfEquatable(value) { + return value instanceof Date; + } + + function compareValueOfEquality(a, b) { + return compareIf(a.valueOf(), b.valueOf(), isPrimitiveEquatable, comparePrimitiveEquality) + || NOT_EQUAL; + } + + function isToStringEquatable(value) { + return value instanceof RegExp; + } + + function compareToStringEquality(a, b) { + return compareIf(a.toString(), b.toString(), isPrimitiveEquatable, comparePrimitiveEquality) + || NOT_EQUAL; + } + + function isArrayLikeEquatable(value) { + return (Array.isArray ? Array.isArray(value) : value instanceof Array) + || (typeof Uint8Array === 'function' && value instanceof Uint8Array) + || (typeof Uint8ClampedArray === 'function' && value instanceof Uint8ClampedArray) + || (typeof Uint16Array === 'function' && value instanceof Uint16Array) + || (typeof Uint32Array === 'function' && value instanceof Uint32Array) + || (typeof Int8Array === 'function' && value instanceof Int8Array) + || (typeof Int16Array === 'function' && value instanceof Int16Array) + || (typeof Int32Array === 'function' && value instanceof Int32Array) + || (typeof Float32Array === 'function' && value instanceof Float32Array) + || (typeof Float64Array === 'function' && value instanceof Float64Array) + || (typeof BigUint64Array === 'function' && value instanceof BigUint64Array) + || (typeof BigInt64Array === 'function' && value instanceof BigInt64Array); + } + + function compareArrayLikeEquality(a, b, cache) { + if (a.length !== b.length) return NOT_EQUAL; + for (var i = 0; i < a.length; i++) { + if (compareEquality(a[i], b[i], cache) === NOT_EQUAL) { + return NOT_EQUAL; + } + } + return EQUAL; + } + + function isStructurallyEquatable(value) { + return !(typeof Promise === 'function' && value instanceof Promise // only comparable by reference + || typeof WeakMap === 'function' && value instanceof WeakMap // only comparable by reference + || typeof WeakSet === 'function' && value instanceof WeakSet // only comparable by reference + || typeof Map === 'function' && value instanceof Map // comparable via @@iterator + || typeof Set === 'function' && value instanceof Set); // comparable via @@iterator + } + + function compareStructuralEquality(a, b, cache) { + var aKeys = []; + for (var key in a) aKeys.push(key); + + var bKeys = []; + for (var key in b) bKeys.push(key); + + if (aKeys.length !== bKeys.length) { + return NOT_EQUAL; + } + + aKeys.sort(); + bKeys.sort(); + + for (var i = 0; i < aKeys.length; i++) { + var aKey = aKeys[i]; + var bKey = bKeys[i]; + if (compareEquality(aKey, bKey, cache) === NOT_EQUAL) { + return NOT_EQUAL; + } + if (compareEquality(a[aKey], b[bKey], cache) === NOT_EQUAL) { + return NOT_EQUAL; + } + } + + return compareIf(a, b, isIterableEquatable, compareIterableEquality, cache) + || EQUAL; + } + + function isIterableEquatable(value) { + return typeof Symbol === 'function' + && typeof value[Symbol.iterator] === 'function'; + } + + function compareIteratorEquality(a, b, cache) { + if (typeof Map === 'function' && a instanceof Map && b instanceof Map || + typeof Set === 'function' && a instanceof Set && b instanceof Set) { + if (a.size !== b.size) return NOT_EQUAL; // exit early if we detect a difference in size + } + + var ar, br; + while (true) { + ar = a.next(); + br = b.next(); + if (ar.done) { + if (br.done) return EQUAL; + if (b.return) b.return(); + return NOT_EQUAL; + } + if (br.done) { + if (a.return) a.return(); + return NOT_EQUAL; + } + if (compareEquality(ar.value, br.value, cache) === NOT_EQUAL) { + if (a.return) a.return(); + if (b.return) b.return(); + return NOT_EQUAL; + } + } + } + + function compareIterableEquality(a, b, cache) { + return compareIteratorEquality(a[Symbol.iterator](), b[Symbol.iterator](), cache); + } + + function cacheComparison(a, b, compare, cache) { + var result = compare(a, b, cache); + if (cache && (result === EQUAL || result === NOT_EQUAL)) { + setCache(cache, a, b, /** @type {EQUAL | NOT_EQUAL} */(result)); + } + return result; + } + + function fail() { + return NOT_EQUAL; + } + + function setCache(cache, left, right, result) { + var otherCache; + + otherCache = cache.get(left); + if (!otherCache) cache.set(left, otherCache = new Map()); + otherCache.set(right, result); + + otherCache = cache.get(right); + if (!otherCache) cache.set(right, otherCache = new Map()); + otherCache.set(left, result); + } + + function getCache(cache, left, right) { + var otherCache; + var result; + + otherCache = cache.get(left); + result = otherCache && otherCache.get(right); + if (result) return result; + + otherCache = cache.get(right); + result = otherCache && otherCache.get(left); + if (result) return result; + + return UNKNOWN; + } + + return deepEqual; +})(); + +// file: detachArrayBuffer.js +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: | + A function used in the process of asserting correctness of TypedArray objects. + + $262.detachArrayBuffer is defined by a host. +defines: [$DETACHBUFFER] +---*/ + +function $DETACHBUFFER(buffer) { + if (!$262 || typeof $262.detachArrayBuffer !== "function") { + throw new Test262Error("No method available to detach an ArrayBuffer"); + } + $262.detachArrayBuffer(buffer); +} + +// file: fnGlobalObject.js +// Copyright (C) 2017 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: | + Produce a reliable global object +defines: [fnGlobalObject] +---*/ + +var __globalObject = Function("return this;")(); +function fnGlobalObject() { + return __globalObject; +} + +// 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; +} + +// file: nans.js +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: | + A collection of NaN values produced from expressions that have been observed + to create distinct bit representations on various platforms. These provide a + weak basis for assertions regarding the consistent canonicalization of NaN + values in Array buffers. +defines: [NaNs] +---*/ + +var NaNs = [ + NaN, + Number.NaN, + NaN * 0, + 0/0, + Infinity/Infinity, + -(0/0), + Math.pow(-1, 0.5), + -Math.pow(-1, 0.5), + Number("Not-a-Number"), +]; + +// file: nativeFunctionMatcher.js +// Copyright (C) 2016 Michael Ficarra. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: Assert _NativeFunction_ Syntax +info: | + NativeFunction : + function _NativeFunctionAccessor_ opt _IdentifierName_ opt ( _FormalParameters_ ) { [ native code ] } + NativeFunctionAccessor : + get + set +defines: + - assertToStringOrNativeFunction + - assertNativeFunction + - validateNativeFunctionSource +---*/ + +const validateNativeFunctionSource = function(source) { + // These regexes should be kept up to date with Unicode using `regexpu-core`. + // `/\p{ID_Start}/u` + const UnicodeIDStart = 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+ // `/\p{ID_Continue}/u` + const UnicodeIDContinue = 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\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDD40-\uDD74\uDDFD\uDE80-\uDE9C\uDEA0-\uDED0\uDEE0\uDF00-\uDF1F\uDF2D-\uDF4A\uDF50-\uDF7A\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDFD1-\uDFD5]|\uD801[\uDC00-\uDC9D\uDCA0-\uDCA9\uDCB0-\uDCD3\uDCD8-\uDCFB\uDD00-\uDD27\uDD30-\uDD63\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC60-\uDC76\uDC80-\uDC9E\uDCE0-\uDCF2\uDCF4\uDCF5\uDD00-\uDD15\uDD20-\uDD39\uDD80-\uDDB7\uDDBE\uDDBF\uDE00-\uDE03\uDE05\uDE06\uDE0C-\uDE13\uDE15-\uDE17\uDE19-\uDE35\uDE38-\uDE3A\uDE3F\uDE60-\uDE7C\uDE80-\uDE9C\uDEC0-\uDEC7\uDEC9-\uDEE6\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72\uDF80-\uDF91]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2\uDD00-\uDD27\uDD30-\uDD39\uDE80-\uDEA9\uDEAB\uDEAC\uDEB0\uDEB1\uDF00-\uDF1C\uDF27\uDF30-\uDF50\uDFB0-\uDFC4\uDFE0-\uDFF6]|\uD804[\uDC00-\uDC46\uDC66-\uDC6F\uDC7F-\uDCBA\uDCD0-\uDCE8\uDCF0-\uDCF9\uDD00-\uDD34\uDD36-\uDD3F\uDD44-\uDD47\uDD50-\uDD73\uDD76\uDD80-\uDDC4\uDDC9-\uDDCC\uDDCE-\uDDDA\uDDDC\uDE00-\uDE11\uDE13-\uDE37\uDE3E\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEEA\uDEF0-\uDEF9\uDF00-\uDF03\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3B-\uDF44\uDF47\uDF48\uDF4B-\uDF4D\uDF50\uDF57\uDF5D-\uDF63\uDF66-\uDF6C\uDF70-\uDF74]|\uD805[\uDC00-\uDC4A\uDC50-\uDC59\uDC5E-\uDC61\uDC80-\uDCC5\uDCC7\uDCD0-\uDCD9\uDD80-\uDDB5\uDDB8-\uDDC0\uDDD8-\uDDDD\uDE00-\uDE40\uDE44\uDE50-\uDE59\uDE80-\uDEB8\uDEC0-\uDEC9\uDF00-\uDF1A\uDF1D-\uDF2B\uDF30-\uDF39]|\uD806[\uDC00-\uDC3A\uDCA0-\uDCE9\uDCFF-\uDD06\uDD09\uDD0C-\uDD13\uDD15\uDD16\uDD18-\uDD35\uDD37\uDD38\uDD3B-\uDD43\uDD50-\uDD59\uDDA0-\uDDA7\uDDAA-\uDDD7\uDDDA-\uDDE1\uDDE3\uDDE4\uDE00-\uDE3E\uDE47\uDE50-\uDE99\uDE9D\uDEC0-\uDEF8]|\uD807[\uDC00-\uDC08\uDC0A-\uDC36\uDC38-\uDC40\uDC50-\uDC59\uDC72-\uDC8F\uDC92-\uDCA7\uDCA9-\uDCB6\uDD00-\uDD06\uDD08\uDD09\uDD0B-\uDD36\uDD3A\uDD3C\uDD3D\uDD3F-\uDD47\uDD50-\uDD59\uDD60-\uDD65\uDD67\uDD68\uDD6A-\uDD8E\uDD90\uDD91\uDD93-\uDD98\uDDA0-\uDDA9\uDEE0-\uDEF6\uDFB0]|\uD808[\uDC00-\uDF99]|\uD809[\uDC00-\uDC6E\uDC80-\uDD43]|[\uD80C\uD81C-\uD820\uD822\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872\uD874-\uD879\uD880-\uD883][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDE60-\uDE69\uDED0-\uDEED\uDEF0-\uDEF4\uDF00-\uDF36\uDF40-\uDF43\uDF50-\uDF59\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDE40-\uDE7F\uDF00-\uDF4A\uDF4F-\uDF87\uDF8F-\uDF9F\uDFE0\uDFE1\uDFE3\uDFE4\uDFF0\uDFF1]|\uD821[\uDC00-\uDFF7]|\uD823[\uDC00-\uDCD5\uDD00-\uDD08]|\uD82C[\uDC00-\uDD1E\uDD50-\uDD52\uDD64-\uDD67\uDD70-\uDEFB]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99\uDC9D\uDC9E]|\uD834[\uDD65-\uDD69\uDD6D-\uDD72\uDD7B-\uDD82\uDD85-\uDD8B\uDDAA-\uDDAD\uDE42-\uDE44]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB\uDFCE-\uDFFF]|\uD836[\uDE00-\uDE36\uDE3B-\uDE6C\uDE75\uDE84\uDE9B-\uDE9F\uDEA1-\uDEAF]|\uD838[\uDC00-\uDC06\uDC08-\uDC18\uDC1B-\uDC21\uDC23\uDC24\uDC26-\uDC2A\uDD00-\uDD2C\uDD30-\uDD3D\uDD40-\uDD49\uDD4E\uDEC0-\uDEF9]|\uD83A[\uDC00-\uDCC4\uDCD0-\uDCD6\uDD00-\uDD4B\uDD50-\uDD59]|\uD83B[\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD83E[\uDFF0-\uDFF9]|\uD869[\uDC00-\uDEDD\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1\uDEB0-\uDFFF]|\uD87A[\uDC00-\uDFE0]|\uD87E[\uDC00-\uDE1D]|\uD884[\uDC00-\uDF4A]|\uDB40[\uDD00-\uDDEF])/; + // `/\p{Space_Separator}/u` + const UnicodeSpaceSeparator = /[ \xA0\u1680\u2000-\u200A\u202F\u205F\u3000]/; + + const isNewline = (c) => /[\u000A\u000D\u2028\u2029]/u.test(c); + const isWhitespace = (c) => /[\u0009\u000B\u000C\u0020\u00A0\uFEFF]/u.test(c) || UnicodeSpaceSeparator.test(c); + + let pos = 0; + + const eatWhitespace = () => { + while (pos < source.length) { + const c = source[pos]; + if (isWhitespace(c) || isNewline(c)) { + pos += 1; + continue; + } + + if (c === '/') { + if (source[pos + 1] === '/') { + while (pos < source.length) { + if (isNewline(source[pos])) { + break; + } + pos += 1; + } + continue; + } + if (source[pos + 1] === '*') { + const end = source.indexOf('*/', pos); + if (end === -1) { + throw new SyntaxError(); + } + pos = end + '*/'.length; + continue; + } + } + + break; + } + }; + + const getIdentifier = () => { + eatWhitespace(); + + const start = pos; + let end = pos; + switch (source[end]) { + case '_': + case '$': + end += 1; + break; + default: + if (UnicodeIDStart.test(source[end])) { + end += 1; + break; + } + return null; + } + while (end < source.length) { + const c = source[end]; + switch (c) { + case '_': + case '$': + end += 1; + break; + default: + if (UnicodeIDContinue.test(c)) { + end += 1; + break; + } + return source.slice(start, end); + } + } + return source.slice(start, end); + }; + + const test = (s) => { + eatWhitespace(); + + if (/\w/.test(s)) { + return getIdentifier() === s; + } + return source.slice(pos, pos + s.length) === s; + }; + + const eat = (s) => { + if (test(s)) { + pos += s.length; + return true; + } + return false; + }; + + const eatIdentifier = () => { + const n = getIdentifier(); + if (n !== null) { + pos += n.length; + return true; + } + return false; + }; + + const expect = (s) => { + if (!eat(s)) { + throw new SyntaxError(); + } + }; + + const eatString = () => { + if (source[pos] === '\'' || source[pos] === '"') { + const match = source[pos]; + pos += 1; + while (pos < source.length) { + if (source[pos] === match && source[pos - 1] !== '\\') { + return; + } + if (isNewline(source[pos])) { + throw new SyntaxError(); + } + pos += 1; + } + throw new SyntaxError(); + } + }; + + // "Stumble" through source text until matching character is found. + // Assumes ECMAScript syntax keeps `[]` and `()` balanced. + const stumbleUntil = (c) => { + const match = { + ']': '[', + ')': '(', + }[c]; + let nesting = 1; + while (pos < source.length) { + eatWhitespace(); + eatString(); // Strings may contain unbalanced characters. + if (source[pos] === match) { + nesting += 1; + } else if (source[pos] === c) { + nesting -= 1; + } + pos += 1; + if (nesting === 0) { + return; + } + } + throw new SyntaxError(); + }; + + // function + expect('function'); + + // NativeFunctionAccessor + eat('get') || eat('set'); + + // PropertyName + if (!eatIdentifier() && eat('[')) { + stumbleUntil(']'); + } + + // ( FormalParameters ) + expect('('); + stumbleUntil(')'); + + // { + expect('{'); + + // [native code] + expect('['); + expect('native'); + expect('code'); + expect(']'); + + // } + expect('}'); + + eatWhitespace(); + if (pos !== source.length) { + throw new SyntaxError(); + } +}; + +const assertToStringOrNativeFunction = function(fn, expected) { + const actual = "" + fn; + try { + assert.sameValue(actual, expected); + } catch (unused) { + assertNativeFunction(fn, expected); + } +}; + +const assertNativeFunction = function(fn, special) { + const actual = "" + fn; + try { + validateNativeFunctionSource(actual); + } catch (unused) { + throw new Test262Error('Conforms to NativeFunction Syntax: ' + JSON.stringify(actual) + (special ? ' (' + special + ')' : '')); + } +}; + +// file: promiseHelper.js +// Copyright (C) 2017 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: | + Check that an array contains a numeric sequence starting at 1 + and incrementing by 1 for each entry in the array. Used by + Promise tests to assert the order of execution in deep Promise + resolution pipelines. +defines: [checkSequence, checkSettledPromises] +---*/ + +function checkSequence(arr, message) { + arr.forEach(function(e, i) { + if (e !== (i+1)) { + throw new Test262Error((message ? message : "Steps in unexpected sequence:") + + " '" + arr.join(',') + "'"); + } + }); + + return true; +} + +function checkSettledPromises(settleds, expected, message) { + const prefix = message ? `${message}: ` : ''; + + assert.sameValue(Array.isArray(settleds), true, `${prefix}Settled values is an array`); + + assert.sameValue( + settleds.length, + expected.length, + `${prefix}The settled values has a different length than expected` + ); + + settleds.forEach((settled, i) => { + assert.sameValue( + Object.prototype.hasOwnProperty.call(settled, 'status'), + true, + `${prefix}The settled value has a property status` + ); + + assert.sameValue(settled.status, expected[i].status, `${prefix}status for item ${i}`); + + if (settled.status === 'fulfilled') { + assert.sameValue( + Object.prototype.hasOwnProperty.call(settled, 'value'), + true, + `${prefix}The fulfilled promise has a property named value` + ); + + assert.sameValue( + Object.prototype.hasOwnProperty.call(settled, 'reason'), + false, + `${prefix}The fulfilled promise has no property named reason` + ); + + assert.sameValue(settled.value, expected[i].value, `${prefix}value for item ${i}`); + } else { + assert.sameValue(settled.status, 'rejected', `${prefix}Valid statuses are only fulfilled or rejected`); + + assert.sameValue( + Object.prototype.hasOwnProperty.call(settled, 'value'), + false, + `${prefix}The fulfilled promise has no property named value` + ); + + assert.sameValue( + Object.prototype.hasOwnProperty.call(settled, 'reason'), + true, + `${prefix}The fulfilled promise has a property named reason` + ); + + assert.sameValue(settled.reason, expected[i].reason, `${prefix}Reason value for item ${i}`); + } + }); +} + +// file: proxyTrapsHelper.js +// Copyright (C) 2016 Jordan Harband. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: | + Used to assert the correctness of object behavior in the presence + and context of Proxy objects. +defines: [allowProxyTraps] +---*/ + +function allowProxyTraps(overrides) { + function throwTest262Error(msg) { + return function () { throw new Test262Error(msg); }; + } + if (!overrides) { overrides = {}; } + return { + getPrototypeOf: overrides.getPrototypeOf || throwTest262Error('[[GetPrototypeOf]] trap called'), + setPrototypeOf: overrides.setPrototypeOf || throwTest262Error('[[SetPrototypeOf]] trap called'), + isExtensible: overrides.isExtensible || throwTest262Error('[[IsExtensible]] trap called'), + preventExtensions: overrides.preventExtensions || throwTest262Error('[[PreventExtensions]] trap called'), + getOwnPropertyDescriptor: overrides.getOwnPropertyDescriptor || throwTest262Error('[[GetOwnProperty]] trap called'), + has: overrides.has || throwTest262Error('[[HasProperty]] trap called'), + get: overrides.get || throwTest262Error('[[Get]] trap called'), + set: overrides.set || throwTest262Error('[[Set]] trap called'), + deleteProperty: overrides.deleteProperty || throwTest262Error('[[Delete]] trap called'), + defineProperty: overrides.defineProperty || throwTest262Error('[[DefineOwnProperty]] trap called'), + enumerate: throwTest262Error('[[Enumerate]] trap called: this trap has been removed'), + ownKeys: overrides.ownKeys || throwTest262Error('[[OwnPropertyKeys]] trap called'), + apply: overrides.apply || throwTest262Error('[[Call]] trap called'), + construct: overrides.construct || throwTest262Error('[[Construct]] trap called') + }; +} + +// file: tcoHelper.js +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: | + This defines the number of consecutive recursive function calls that must be + made in order to prove that stack frames are properly destroyed according to + ES2015 tail call optimization semantics. +defines: [$MAX_ITERATIONS] +---*/ + + + + +var $MAX_ITERATIONS = 100000; + +// file: temporalHelpers.js +// Copyright (C) 2021 Igalia, S.L. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: | + This defines helper objects and functions for testing Temporal. +defines: [TemporalHelpers] +features: [Symbol.species, Symbol.iterator, Temporal] +---*/ + +const ASCII_IDENTIFIER = /^[$_a-zA-Z][$_a-zA-Z0-9]*$/u; + +function formatPropertyName(propertyKey, objectName = "") { + switch (typeof propertyKey) { + case "symbol": + if (Symbol.keyFor(propertyKey) !== undefined) { + return `${objectName}[Symbol.for('${Symbol.keyFor(propertyKey)}')]`; + } else if (propertyKey.description.startsWith('Symbol.')) { + return `${objectName}[${propertyKey.description}]`; + } else { + return `${objectName}[Symbol('${propertyKey.description}')]` + } + case "string": + if (propertyKey !== String(Number(propertyKey))) { + if (ASCII_IDENTIFIER.test(propertyKey)) { + return objectName ? `${objectName}.${propertyKey}` : propertyKey; + } + return `${objectName}['${propertyKey.replace(/'/g, "\\'")}']` + } + // fall through + default: + // integer or string integer-index + return `${objectName}[${propertyKey}]`; + } +} + +const SKIP_SYMBOL = Symbol("Skip"); + +var TemporalHelpers = { + /* + * Codes and maximum lengths of months in the ISO 8601 calendar. + */ + ISOMonths: [ + { month: 1, monthCode: "M01", daysInMonth: 31 }, + { month: 2, monthCode: "M02", daysInMonth: 29 }, + { month: 3, monthCode: "M03", daysInMonth: 31 }, + { month: 4, monthCode: "M04", daysInMonth: 30 }, + { month: 5, monthCode: "M05", daysInMonth: 31 }, + { month: 6, monthCode: "M06", daysInMonth: 30 }, + { month: 7, monthCode: "M07", daysInMonth: 31 }, + { month: 8, monthCode: "M08", daysInMonth: 31 }, + { month: 9, monthCode: "M09", daysInMonth: 30 }, + { month: 10, monthCode: "M10", daysInMonth: 31 }, + { month: 11, monthCode: "M11", daysInMonth: 30 }, + { month: 12, monthCode: "M12", daysInMonth: 31 } + ], + + /* + * assertDuration(duration, years, ..., nanoseconds[, description]): + * + * Shorthand for asserting that each field of a Temporal.Duration is equal to + * an expected value. + */ + assertDuration(duration, years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds, description = "") { + const prefix = description ? `${description}: ` : ""; + assert(duration instanceof Temporal.Duration, `${prefix}instanceof`); + assert.sameValue(duration.years, years, `${prefix}years result:`); + assert.sameValue(duration.months, months, `${prefix}months result:`); + assert.sameValue(duration.weeks, weeks, `${prefix}weeks result:`); + assert.sameValue(duration.days, days, `${prefix}days result:`); + assert.sameValue(duration.hours, hours, `${prefix}hours result:`); + assert.sameValue(duration.minutes, minutes, `${prefix}minutes result:`); + assert.sameValue(duration.seconds, seconds, `${prefix}seconds result:`); + assert.sameValue(duration.milliseconds, milliseconds, `${prefix}milliseconds result:`); + assert.sameValue(duration.microseconds, microseconds, `${prefix}microseconds result:`); + assert.sameValue(duration.nanoseconds, nanoseconds, `${prefix}nanoseconds result`); + }, + + /* + * assertDateDuration(duration, years, months, weeks, days, [, description]): + * + * Shorthand for asserting that each date field of a Temporal.Duration is + * equal to an expected value. + */ + assertDateDuration(duration, years, months, weeks, days, description = "") { + const prefix = description ? `${description}: ` : ""; + assert(duration instanceof Temporal.Duration, `${prefix}instanceof`); + assert.sameValue(duration.years, years, `${prefix}years result:`); + assert.sameValue(duration.months, months, `${prefix}months result:`); + assert.sameValue(duration.weeks, weeks, `${prefix}weeks result:`); + assert.sameValue(duration.days, days, `${prefix}days result:`); + assert.sameValue(duration.hours, 0, `${prefix}hours result should be zero:`); + assert.sameValue(duration.minutes, 0, `${prefix}minutes result should be zero:`); + assert.sameValue(duration.seconds, 0, `${prefix}seconds result should be zero:`); + assert.sameValue(duration.milliseconds, 0, `${prefix}milliseconds result should be zero:`); + assert.sameValue(duration.microseconds, 0, `${prefix}microseconds result should be zero:`); + assert.sameValue(duration.nanoseconds, 0, `${prefix}nanoseconds result should be zero:`); + }, + + /* + * assertDurationsEqual(actual, expected[, description]): + * + * Shorthand for asserting that each field of a Temporal.Duration is equal to + * the corresponding field in another Temporal.Duration. + */ + assertDurationsEqual(actual, expected, description = "") { + const prefix = description ? `${description}: ` : ""; + assert(expected instanceof Temporal.Duration, `${prefix}expected value should be a Temporal.Duration`); + TemporalHelpers.assertDuration(actual, expected.years, expected.months, expected.weeks, expected.days, expected.hours, expected.minutes, expected.seconds, expected.milliseconds, expected.microseconds, expected.nanoseconds, description); + }, + + /* + * assertInstantsEqual(actual, expected[, description]): + * + * Shorthand for asserting that two Temporal.Instants are of the correct type + * and equal according to their equals() methods. + */ + assertInstantsEqual(actual, expected, description = "") { + const prefix = description ? `${description}: ` : ""; + assert(expected instanceof Temporal.Instant, `${prefix}expected value should be a Temporal.Instant`); + assert(actual instanceof Temporal.Instant, `${prefix}instanceof`); + assert(actual.equals(expected), `${prefix}equals method`); + }, + + /* + * assertPlainDate(date, year, ..., nanosecond[, description[, era, eraYear]]): + * + * Shorthand for asserting that each field of a Temporal.PlainDate is equal to + * an expected value. (Except the `calendar` property, since callers may want + * to assert either object equality with an object they put in there, or the + * value of date.calendarId.) + */ + assertPlainDate(date, year, month, monthCode, day, description = "", era = undefined, eraYear = undefined) { + const prefix = description ? `${description}: ` : ""; + assert(date instanceof Temporal.PlainDate, `${prefix}instanceof`); + assert.sameValue(date.era, era, `${prefix}era result:`); + assert.sameValue(date.eraYear, eraYear, `${prefix}eraYear result:`); + assert.sameValue(date.year, year, `${prefix}year result:`); + assert.sameValue(date.month, month, `${prefix}month result:`); + assert.sameValue(date.monthCode, monthCode, `${prefix}monthCode result:`); + assert.sameValue(date.day, day, `${prefix}day result:`); + }, + + /* + * assertPlainDateTime(datetime, year, ..., nanosecond[, description[, era, eraYear]]): + * + * Shorthand for asserting that each field of a Temporal.PlainDateTime is + * equal to an expected value. (Except the `calendar` property, since callers + * may want to assert either object equality with an object they put in there, + * or the value of datetime.calendarId.) + */ + assertPlainDateTime(datetime, year, month, monthCode, day, hour, minute, second, millisecond, microsecond, nanosecond, description = "", era = undefined, eraYear = undefined) { + const prefix = description ? `${description}: ` : ""; + assert(datetime instanceof Temporal.PlainDateTime, `${prefix}instanceof`); + assert.sameValue(datetime.era, era, `${prefix}era result:`); + assert.sameValue(datetime.eraYear, eraYear, `${prefix}eraYear result:`); + assert.sameValue(datetime.year, year, `${prefix}year result:`); + assert.sameValue(datetime.month, month, `${prefix}month result:`); + assert.sameValue(datetime.monthCode, monthCode, `${prefix}monthCode result:`); + assert.sameValue(datetime.day, day, `${prefix}day result:`); + assert.sameValue(datetime.hour, hour, `${prefix}hour result:`); + assert.sameValue(datetime.minute, minute, `${prefix}minute result:`); + assert.sameValue(datetime.second, second, `${prefix}second result:`); + assert.sameValue(datetime.millisecond, millisecond, `${prefix}millisecond result:`); + assert.sameValue(datetime.microsecond, microsecond, `${prefix}microsecond result:`); + assert.sameValue(datetime.nanosecond, nanosecond, `${prefix}nanosecond result:`); + }, + + /* + * assertPlainDateTimesEqual(actual, expected[, description]): + * + * Shorthand for asserting that two Temporal.PlainDateTimes are of the correct + * type, equal according to their equals() methods, and additionally that + * their calendar internal slots are the same value. + */ + assertPlainDateTimesEqual(actual, expected, description = "") { + const prefix = description ? `${description}: ` : ""; + assert(expected instanceof Temporal.PlainDateTime, `${prefix}expected value should be a Temporal.PlainDateTime`); + assert(actual instanceof Temporal.PlainDateTime, `${prefix}instanceof`); + assert(actual.equals(expected), `${prefix}equals method`); + assert.sameValue( + actual.getISOFields().calendar, + expected.getISOFields().calendar, + `${prefix}calendar same value:` + ); + }, + + /* + * assertPlainMonthDay(monthDay, monthCode, day[, description [, referenceISOYear]]): + * + * Shorthand for asserting that each field of a Temporal.PlainMonthDay is + * equal to an expected value. (Except the `calendar` property, since callers + * may want to assert either object equality with an object they put in there, + * or the value of monthDay.calendarId().) + */ + assertPlainMonthDay(monthDay, monthCode, day, description = "", referenceISOYear = 1972) { + const prefix = description ? `${description}: ` : ""; + assert(monthDay instanceof Temporal.PlainMonthDay, `${prefix}instanceof`); + assert.sameValue(monthDay.monthCode, monthCode, `${prefix}monthCode result:`); + assert.sameValue(monthDay.day, day, `${prefix}day result:`); + assert.sameValue(monthDay.getISOFields().isoYear, referenceISOYear, `${prefix}referenceISOYear result:`); + }, + + /* + * assertPlainTime(time, hour, ..., nanosecond[, description]): + * + * Shorthand for asserting that each field of a Temporal.PlainTime is equal to + * an expected value. + */ + assertPlainTime(time, hour, minute, second, millisecond, microsecond, nanosecond, description = "") { + const prefix = description ? `${description}: ` : ""; + assert(time instanceof Temporal.PlainTime, `${prefix}instanceof`); + assert.sameValue(time.hour, hour, `${prefix}hour result:`); + assert.sameValue(time.minute, minute, `${prefix}minute result:`); + assert.sameValue(time.second, second, `${prefix}second result:`); + assert.sameValue(time.millisecond, millisecond, `${prefix}millisecond result:`); + assert.sameValue(time.microsecond, microsecond, `${prefix}microsecond result:`); + assert.sameValue(time.nanosecond, nanosecond, `${prefix}nanosecond result:`); + }, + + /* + * assertPlainTimesEqual(actual, expected[, description]): + * + * Shorthand for asserting that two Temporal.PlainTimes are of the correct + * type and equal according to their equals() methods. + */ + assertPlainTimesEqual(actual, expected, description = "") { + const prefix = description ? `${description}: ` : ""; + assert(expected instanceof Temporal.PlainTime, `${prefix}expected value should be a Temporal.PlainTime`); + assert(actual instanceof Temporal.PlainTime, `${prefix}instanceof`); + assert(actual.equals(expected), `${prefix}equals method`); + }, + + /* + * assertPlainYearMonth(yearMonth, year, month, monthCode[, description[, era, eraYear, referenceISODay]]): + * + * Shorthand for asserting that each field of a Temporal.PlainYearMonth is + * equal to an expected value. (Except the `calendar` property, since callers + * may want to assert either object equality with an object they put in there, + * or the value of yearMonth.calendarId.) + */ + assertPlainYearMonth(yearMonth, year, month, monthCode, description = "", era = undefined, eraYear = undefined, referenceISODay = 1) { + const prefix = description ? `${description}: ` : ""; + assert(yearMonth instanceof Temporal.PlainYearMonth, `${prefix}instanceof`); + assert.sameValue(yearMonth.era, era, `${prefix}era result:`); + assert.sameValue(yearMonth.eraYear, eraYear, `${prefix}eraYear result:`); + assert.sameValue(yearMonth.year, year, `${prefix}year result:`); + assert.sameValue(yearMonth.month, month, `${prefix}month result:`); + assert.sameValue(yearMonth.monthCode, monthCode, `${prefix}monthCode result:`); + assert.sameValue(yearMonth.getISOFields().isoDay, referenceISODay, `${prefix}referenceISODay result:`); + }, + + /* + * assertZonedDateTimesEqual(actual, expected[, description]): + * + * Shorthand for asserting that two Temporal.ZonedDateTimes are of the correct + * type, equal according to their equals() methods, and additionally that + * their time zones and calendar internal slots are the same value. + */ + assertZonedDateTimesEqual(actual, expected, description = "") { + const prefix = description ? `${description}: ` : ""; + assert(expected instanceof Temporal.ZonedDateTime, `${prefix}expected value should be a Temporal.ZonedDateTime`); + assert(actual instanceof Temporal.ZonedDateTime, `${prefix}instanceof`); + assert(actual.equals(expected), `${prefix}equals method`); + assert.sameValue(actual.timeZone, expected.timeZone, `${prefix}time zone same value:`); + assert.sameValue( + actual.getISOFields().calendar, + expected.getISOFields().calendar, + `${prefix}calendar same value:` + ); + }, + + /* + * assertUnreachable(description): + * + * Helper for asserting that code is not executed. This is useful for + * assertions that methods of user calendars and time zones are not called. + */ + assertUnreachable(description) { + let message = "This code should not be executed"; + if (description) { + message = `${message}: ${description}`; + } + throw new Test262Error(message); + }, + + /* + * checkCalendarDateUntilLargestUnitSingular(func, expectedLargestUnitCalls): + * + * When an options object with a largestUnit property is synthesized inside + * Temporal and passed to user code such as calendar.dateUntil(), the value of + * the largestUnit property should be in the singular form, even if the input + * was given in the plural form. + * (This doesn't apply when the options object is passed through verbatim.) + * + * func(calendar, largestUnit, index) is the operation under test. It's called + * with an instance of a calendar that keeps track of which largestUnit is + * passed to dateUntil(), each key of expectedLargestUnitCalls in turn, and + * the key's numerical index in case the function needs to generate test data + * based on the index. At the end, the actual values passed to dateUntil() are + * compared with the array values of expectedLargestUnitCalls. + */ + checkCalendarDateUntilLargestUnitSingular(func, expectedLargestUnitCalls) { + const actual = []; + + class DateUntilOptionsCalendar extends Temporal.Calendar { + constructor() { + super("iso8601"); + } + + dateUntil(earlier, later, options) { + actual.push(options.largestUnit); + return super.dateUntil(earlier, later, options); + } + + toString() { + return "date-until-options"; + } + } + + const calendar = new DateUntilOptionsCalendar(); + Object.entries(expectedLargestUnitCalls).forEach(([largestUnit, expected], index) => { + func(calendar, largestUnit, index); + assert.compareArray(actual, expected, `largestUnit passed to calendar.dateUntil() for largestUnit ${largestUnit}`); + actual.splice(0); // empty it for the next check + }); + }, + + /* + * checkPlainDateTimeConversionFastPath(func): + * + * ToTemporalDate and ToTemporalTime should both, if given a + * Temporal.PlainDateTime instance, convert to the desired type by reading the + * PlainDateTime's internal slots, rather than calling any getters. + * + * func(datetime, calendar) is the actual operation to test, that must + * internally call the abstract operation ToTemporalDate or ToTemporalTime. + * It is passed a Temporal.PlainDateTime instance, as well as the instance's + * calendar object (so that it doesn't have to call the calendar getter itself + * if it wants to make any assertions about the calendar.) + */ + checkPlainDateTimeConversionFastPath(func, message = "checkPlainDateTimeConversionFastPath") { + const actual = []; + const expected = []; + + const calendar = new Temporal.Calendar("iso8601"); + const datetime = new Temporal.PlainDateTime(2000, 5, 2, 12, 34, 56, 987, 654, 321, calendar); + const prototypeDescrs = Object.getOwnPropertyDescriptors(Temporal.PlainDateTime.prototype); + ["year", "month", "monthCode", "day", "hour", "minute", "second", "millisecond", "microsecond", "nanosecond"].forEach((property) => { + Object.defineProperty(datetime, property, { + get() { + actual.push(`get ${formatPropertyName(property)}`); + const value = prototypeDescrs[property].get.call(this); + return { + toString() { + actual.push(`toString ${formatPropertyName(property)}`); + return value.toString(); + }, + valueOf() { + actual.push(`valueOf ${formatPropertyName(property)}`); + return value; + }, + }; + }, + }); + }); + Object.defineProperty(datetime, "calendar", { + get() { + actual.push("get calendar"); + return calendar; + }, + }); + + func(datetime, calendar); + assert.compareArray(actual, expected, `${message}: property getters not called`); + }, + + /* + * Check that an options bag that accepts units written in the singular form, + * also accepts the same units written in the plural form. + * func(unit) should call the method with the appropriate options bag + * containing unit as a value. This will be called twice for each element of + * validSingularUnits, once with singular and once with plural, and the + * results of each pair should be the same (whether a Temporal object or a + * primitive value.) + */ + checkPluralUnitsAccepted(func, validSingularUnits) { + const plurals = { + year: 'years', + month: 'months', + week: 'weeks', + day: 'days', + hour: 'hours', + minute: 'minutes', + second: 'seconds', + millisecond: 'milliseconds', + microsecond: 'microseconds', + nanosecond: 'nanoseconds', + }; + + validSingularUnits.forEach((unit) => { + const singularValue = func(unit); + const pluralValue = func(plurals[unit]); + const desc = `Plural ${plurals[unit]} produces the same result as singular ${unit}`; + if (singularValue instanceof Temporal.Duration) { + TemporalHelpers.assertDurationsEqual(pluralValue, singularValue, desc); + } else if (singularValue instanceof Temporal.Instant) { + TemporalHelpers.assertInstantsEqual(pluralValue, singularValue, desc); + } else if (singularValue instanceof Temporal.PlainDateTime) { + TemporalHelpers.assertPlainDateTimesEqual(pluralValue, singularValue, desc); + } else if (singularValue instanceof Temporal.PlainTime) { + TemporalHelpers.assertPlainTimesEqual(pluralValue, singularValue, desc); + } else if (singularValue instanceof Temporal.ZonedDateTime) { + TemporalHelpers.assertZonedDateTimesEqual(pluralValue, singularValue, desc); + } else { + assert.sameValue(pluralValue, singularValue); + } + }); + }, + + /* + * checkRoundingIncrementOptionWrongType(checkFunc, assertTrueResultFunc, assertObjectResultFunc): + * + * Checks the type handling of the roundingIncrement option. + * checkFunc(roundingIncrement) is a function which takes the value of + * roundingIncrement to test, and calls the method under test with it, + * returning the result. assertTrueResultFunc(result, description) should + * assert that result is the expected result with roundingIncrement: true, and + * assertObjectResultFunc(result, description) should assert that result is + * the expected result with roundingIncrement being an object with a valueOf() + * method. + */ + checkRoundingIncrementOptionWrongType(checkFunc, assertTrueResultFunc, assertObjectResultFunc) { + // null converts to 0, which is out of range + assert.throws(RangeError, () => checkFunc(null), "null"); + // Booleans convert to either 0 or 1, and 1 is allowed + const trueResult = checkFunc(true); + assertTrueResultFunc(trueResult, "true"); + assert.throws(RangeError, () => checkFunc(false), "false"); + // Symbols and BigInts cannot convert to numbers + assert.throws(TypeError, () => checkFunc(Symbol()), "symbol"); + assert.throws(TypeError, () => checkFunc(2n), "bigint"); + + // Objects prefer their valueOf() methods when converting to a number + assert.throws(RangeError, () => checkFunc({}), "plain object"); + + const expected = [ + "get roundingIncrement.valueOf", + "call roundingIncrement.valueOf", + ]; + const actual = []; + const observer = TemporalHelpers.toPrimitiveObserver(actual, 2, "roundingIncrement"); + const objectResult = checkFunc(observer); + assertObjectResultFunc(objectResult, "object with valueOf"); + assert.compareArray(actual, expected, "order of operations"); + }, + + /* + * checkStringOptionWrongType(propertyName, value, checkFunc, assertFunc): + * + * Checks the type handling of a string option, of which there are several in + * Temporal. + * propertyName is the name of the option, and value is the value that + * assertFunc should expect it to have. + * checkFunc(value) is a function which takes the value of the option to test, + * and calls the method under test with it, returning the result. + * assertFunc(result, description) should assert that result is the expected + * result with the option value being an object with a toString() method + * which returns the given value. + */ + checkStringOptionWrongType(propertyName, value, checkFunc, assertFunc) { + // null converts to the string "null", which is an invalid string value + assert.throws(RangeError, () => checkFunc(null), "null"); + // Booleans convert to the strings "true" or "false", which are invalid + assert.throws(RangeError, () => checkFunc(true), "true"); + assert.throws(RangeError, () => checkFunc(false), "false"); + // Symbols cannot convert to strings + assert.throws(TypeError, () => checkFunc(Symbol()), "symbol"); + // Numbers convert to strings which are invalid + assert.throws(RangeError, () => checkFunc(2), "number"); + // BigInts convert to strings which are invalid + assert.throws(RangeError, () => checkFunc(2n), "bigint"); + + // Objects prefer their toString() methods when converting to a string + assert.throws(RangeError, () => checkFunc({}), "plain object"); + + const expected = [ + `get ${propertyName}.toString`, + `call ${propertyName}.toString`, + ]; + const actual = []; + const observer = TemporalHelpers.toPrimitiveObserver(actual, value, propertyName); + const result = checkFunc(observer); + assertFunc(result, "object with toString"); + assert.compareArray(actual, expected, "order of operations"); + }, + + /* + * checkSubclassingIgnored(construct, constructArgs, method, methodArgs, + * resultAssertions): + * + * Methods of Temporal classes that return a new instance of the same class, + * must not take the constructor of a subclass into account, nor the @@species + * property. This helper runs tests to ensure this. + * + * construct(...constructArgs) must yield a valid instance of the Temporal + * class. instance[method](...methodArgs) is the method call under test, which + * must also yield a valid instance of the same Temporal class, not a + * subclass. See below for the individual tests that this runs. + * resultAssertions() is a function that performs additional assertions on the + * instance returned by the method under test. + */ + checkSubclassingIgnored(...args) { + this.checkSubclassConstructorNotObject(...args); + this.checkSubclassConstructorUndefined(...args); + this.checkSubclassConstructorThrows(...args); + this.checkSubclassConstructorNotCalled(...args); + this.checkSubclassSpeciesInvalidResult(...args); + this.checkSubclassSpeciesNotAConstructor(...args); + this.checkSubclassSpeciesNull(...args); + this.checkSubclassSpeciesUndefined(...args); + this.checkSubclassSpeciesThrows(...args); + }, + + /* + * Checks that replacing the 'constructor' property of the instance with + * various primitive values does not affect the returned new instance. + */ + checkSubclassConstructorNotObject(construct, constructArgs, method, methodArgs, resultAssertions) { + function check(value, description) { + const instance = new construct(...constructArgs); + instance.constructor = value; + const result = instance[method](...methodArgs); + assert.sameValue(Object.getPrototypeOf(result), construct.prototype, description); + resultAssertions(result); + } + + check(null, "null"); + check(true, "true"); + check("test", "string"); + check(Symbol(), "Symbol"); + check(7, "number"); + check(7n, "bigint"); + }, + + /* + * Checks that replacing the 'constructor' property of the subclass with + * undefined does not affect the returned new instance. + */ + checkSubclassConstructorUndefined(construct, constructArgs, method, methodArgs, resultAssertions) { + let called = 0; + + class MySubclass extends construct { + constructor() { + ++called; + super(...constructArgs); + } + } + + const instance = new MySubclass(); + assert.sameValue(called, 1); + + MySubclass.prototype.constructor = undefined; + + const result = instance[method](...methodArgs); + assert.sameValue(called, 1); + assert.sameValue(Object.getPrototypeOf(result), construct.prototype); + resultAssertions(result); + }, + + /* + * Checks that making the 'constructor' property of the instance throw when + * called does not affect the returned new instance. + */ + checkSubclassConstructorThrows(construct, constructArgs, method, methodArgs, resultAssertions) { + function CustomError() {} + const instance = new construct(...constructArgs); + Object.defineProperty(instance, "constructor", { + get() { + throw new CustomError(); + } + }); + const result = instance[method](...methodArgs); + assert.sameValue(Object.getPrototypeOf(result), construct.prototype); + resultAssertions(result); + }, + + /* + * Checks that when subclassing, the subclass constructor is not called by + * the method under test. + */ + checkSubclassConstructorNotCalled(construct, constructArgs, method, methodArgs, resultAssertions) { + let called = 0; + + class MySubclass extends construct { + constructor() { + ++called; + super(...constructArgs); + } + } + + const instance = new MySubclass(); + assert.sameValue(called, 1); + + const result = instance[method](...methodArgs); + assert.sameValue(called, 1); + assert.sameValue(Object.getPrototypeOf(result), construct.prototype); + resultAssertions(result); + }, + + /* + * Check that the constructor's @@species property is ignored when it's a + * constructor that returns a non-object value. + */ + checkSubclassSpeciesInvalidResult(construct, constructArgs, method, methodArgs, resultAssertions) { + function check(value, description) { + const instance = new construct(...constructArgs); + instance.constructor = { + [Symbol.species]: function() { + return value; + }, + }; + const result = instance[method](...methodArgs); + assert.sameValue(Object.getPrototypeOf(result), construct.prototype, description); + resultAssertions(result); + } + + check(undefined, "undefined"); + check(null, "null"); + check(true, "true"); + check("test", "string"); + check(Symbol(), "Symbol"); + check(7, "number"); + check(7n, "bigint"); + check({}, "plain object"); + }, + + /* + * Check that the constructor's @@species property is ignored when it's not a + * constructor. + */ + checkSubclassSpeciesNotAConstructor(construct, constructArgs, method, methodArgs, resultAssertions) { + function check(value, description) { + const instance = new construct(...constructArgs); + instance.constructor = { + [Symbol.species]: value, + }; + const result = instance[method](...methodArgs); + assert.sameValue(Object.getPrototypeOf(result), construct.prototype, description); + resultAssertions(result); + } + + check(true, "true"); + check("test", "string"); + check(Symbol(), "Symbol"); + check(7, "number"); + check(7n, "bigint"); + check({}, "plain object"); + }, + + /* + * Check that the constructor's @@species property is ignored when it's null. + */ + checkSubclassSpeciesNull(construct, constructArgs, method, methodArgs, resultAssertions) { + let called = 0; + + class MySubclass extends construct { + constructor() { + ++called; + super(...constructArgs); + } + } + + const instance = new MySubclass(); + assert.sameValue(called, 1); + + MySubclass.prototype.constructor = { + [Symbol.species]: null, + }; + + const result = instance[method](...methodArgs); + assert.sameValue(called, 1); + assert.sameValue(Object.getPrototypeOf(result), construct.prototype); + resultAssertions(result); + }, + + /* + * Check that the constructor's @@species property is ignored when it's + * undefined. + */ + checkSubclassSpeciesUndefined(construct, constructArgs, method, methodArgs, resultAssertions) { + let called = 0; + + class MySubclass extends construct { + constructor() { + ++called; + super(...constructArgs); + } + } + + const instance = new MySubclass(); + assert.sameValue(called, 1); + + MySubclass.prototype.constructor = { + [Symbol.species]: undefined, + }; + + const result = instance[method](...methodArgs); + assert.sameValue(called, 1); + assert.sameValue(Object.getPrototypeOf(result), construct.prototype); + resultAssertions(result); + }, + + /* + * Check that the constructor's @@species property is ignored when it throws, + * i.e. it is not called at all. + */ + checkSubclassSpeciesThrows(construct, constructArgs, method, methodArgs, resultAssertions) { + function CustomError() {} + + const instance = new construct(...constructArgs); + instance.constructor = { + get [Symbol.species]() { + throw new CustomError(); + }, + }; + + const result = instance[method](...methodArgs); + assert.sameValue(Object.getPrototypeOf(result), construct.prototype); + }, + + /* + * checkSubclassingIgnoredStatic(construct, method, methodArgs, resultAssertions): + * + * Static methods of Temporal classes that return a new instance of the class, + * must not use the this-value as a constructor. This helper runs tests to + * ensure this. + * + * construct[method](...methodArgs) is the static method call under test, and + * must yield a valid instance of the Temporal class, not a subclass. See + * below for the individual tests that this runs. + * resultAssertions() is a function that performs additional assertions on the + * instance returned by the method under test. + */ + checkSubclassingIgnoredStatic(...args) { + this.checkStaticInvalidReceiver(...args); + this.checkStaticReceiverNotCalled(...args); + this.checkThisValueNotCalled(...args); + }, + + /* + * Check that calling the static method with a receiver that's not callable, + * still calls the intrinsic constructor. + */ + checkStaticInvalidReceiver(construct, method, methodArgs, resultAssertions) { + function check(value, description) { + const result = construct[method].apply(value, methodArgs); + assert.sameValue(Object.getPrototypeOf(result), construct.prototype); + resultAssertions(result); + } + + check(undefined, "undefined"); + check(null, "null"); + check(true, "true"); + check("test", "string"); + check(Symbol(), "symbol"); + check(7, "number"); + check(7n, "bigint"); + check({}, "Non-callable object"); + }, + + /* + * Check that calling the static method with a receiver that returns a value + * that's not callable, still calls the intrinsic constructor. + */ + checkStaticReceiverNotCalled(construct, method, methodArgs, resultAssertions) { + function check(value, description) { + const receiver = function () { + return value; + }; + const result = construct[method].apply(receiver, methodArgs); + assert.sameValue(Object.getPrototypeOf(result), construct.prototype); + resultAssertions(result); + } + + check(undefined, "undefined"); + check(null, "null"); + check(true, "true"); + check("test", "string"); + check(Symbol(), "symbol"); + check(7, "number"); + check(7n, "bigint"); + check({}, "Non-callable object"); + }, + + /* + * Check that the receiver isn't called. + */ + checkThisValueNotCalled(construct, method, methodArgs, resultAssertions) { + let called = false; + + class MySubclass extends construct { + constructor(...args) { + called = true; + super(...args); + } + } + + const result = MySubclass[method](...methodArgs); + assert.sameValue(called, false); + assert.sameValue(Object.getPrototypeOf(result), construct.prototype); + resultAssertions(result); + }, + + /* + * Check that any iterable returned from a custom time zone's + * getPossibleInstantsFor() method is exhausted. + * The custom time zone object is passed in to func(). + * expected is an array of strings representing the expected calls to the + * getPossibleInstantsFor() method. The PlainDateTimes that it is called with, + * are compared (using their toString() results) with the array. + */ + checkTimeZonePossibleInstantsIterable(func, expected) { + // A custom time zone that returns an iterable instead of an array from its + // getPossibleInstantsFor() method, and for testing purposes skips + // 00:00-01:00 UTC on January 1, 2030, and repeats 00:00-01:00 UTC+1 on + // January 3, 2030. Otherwise identical to the UTC time zone. + class TimeZonePossibleInstantsIterable extends Temporal.TimeZone { + constructor() { + super("UTC"); + this.getPossibleInstantsForCallCount = 0; + this.getPossibleInstantsForCalledWith = []; + this.getPossibleInstantsForReturns = []; + this.iteratorExhausted = []; + } + + toString() { + return "Custom/Iterable"; + } + + getOffsetNanosecondsFor(instant) { + if (Temporal.Instant.compare(instant, "2030-01-01T00:00Z") >= 0 && + Temporal.Instant.compare(instant, "2030-01-03T01:00Z") < 0) { + return 3600_000_000_000; + } else { + return 0; + } + } + + getPossibleInstantsFor(dateTime) { + this.getPossibleInstantsForCallCount++; + this.getPossibleInstantsForCalledWith.push(dateTime); + + // Fake DST transition + let retval = super.getPossibleInstantsFor(dateTime); + if (dateTime.toPlainDate().equals("2030-01-01") && dateTime.hour === 0) { + retval = []; + } else if (dateTime.toPlainDate().equals("2030-01-03") && dateTime.hour === 0) { + retval.push(retval[0].subtract({ hours: 1 })); + } else if (dateTime.year === 2030 && dateTime.month === 1 && dateTime.day >= 1 && dateTime.day <= 2) { + retval[0] = retval[0].subtract({ hours: 1 }); + } + + this.getPossibleInstantsForReturns.push(retval); + this.iteratorExhausted.push(false); + return { + callIndex: this.getPossibleInstantsForCallCount - 1, + timeZone: this, + *[Symbol.iterator]() { + yield* this.timeZone.getPossibleInstantsForReturns[this.callIndex]; + this.timeZone.iteratorExhausted[this.callIndex] = true; + }, + }; + } + } + + const timeZone = new TimeZonePossibleInstantsIterable(); + func(timeZone); + + assert.sameValue(timeZone.getPossibleInstantsForCallCount, expected.length, "getPossibleInstantsFor() method called correct number of times"); + + for (let index = 0; index < expected.length; index++) { + assert.sameValue(timeZone.getPossibleInstantsForCalledWith[index].toString(), expected[index], "getPossibleInstantsFor() called with expected PlainDateTime"); + assert(timeZone.iteratorExhausted[index], "iterated through the whole iterable"); + } + }, + + /* + * Check that any calendar-carrying Temporal object has its [[Calendar]] + * internal slot read by ToTemporalCalendar, and does not fetch the calendar + * by calling getters. + * The custom calendar object is passed in to func() so that it can do its + * own additional assertions involving the calendar if necessary. (Sometimes + * there is nothing to assert as the calendar isn't stored anywhere that can + * be asserted about.) + */ + checkToTemporalCalendarFastPath(func) { + class CalendarFastPathCheck extends Temporal.Calendar { + constructor() { + super("iso8601"); + } + + dateFromFields(...args) { + return super.dateFromFields(...args).withCalendar(this); + } + + monthDayFromFields(...args) { + const { isoYear, isoMonth, isoDay } = super.monthDayFromFields(...args).getISOFields(); + return new Temporal.PlainMonthDay(isoMonth, isoDay, this, isoYear); + } + + yearMonthFromFields(...args) { + const { isoYear, isoMonth, isoDay } = super.yearMonthFromFields(...args).getISOFields(); + return new Temporal.PlainYearMonth(isoYear, isoMonth, this, isoDay); + } + + toString() { + return "fast-path-check"; + } + } + const calendar = new CalendarFastPathCheck(); + + const plainDate = new Temporal.PlainDate(2000, 5, 2, calendar); + const plainDateTime = new Temporal.PlainDateTime(2000, 5, 2, 12, 34, 56, 987, 654, 321, calendar); + const plainMonthDay = new Temporal.PlainMonthDay(5, 2, calendar); + const plainYearMonth = new Temporal.PlainYearMonth(2000, 5, calendar); + const zonedDateTime = new Temporal.ZonedDateTime(1_000_000_000_000_000_000n, "UTC", calendar); + + [plainDate, plainDateTime, plainMonthDay, plainYearMonth, zonedDateTime].forEach((temporalObject) => { + const actual = []; + const expected = []; + + Object.defineProperty(temporalObject, "calendar", { + get() { + actual.push("get calendar"); + return calendar; + }, + }); + + func(temporalObject, calendar); + assert.compareArray(actual, expected, "calendar getter not called"); + }); + }, + + checkToTemporalInstantFastPath(func) { + const actual = []; + const expected = []; + + const datetime = new Temporal.ZonedDateTime(1_000_000_000_987_654_321n, "UTC"); + Object.defineProperty(datetime, 'toString', { + get() { + actual.push("get toString"); + return function (options) { + actual.push("call toString"); + return Temporal.ZonedDateTime.prototype.toString.call(this, options); + }; + }, + }); + + func(datetime); + assert.compareArray(actual, expected, "toString not called"); + }, + + checkToTemporalPlainDateTimeFastPath(func) { + const actual = []; + const expected = []; + + const calendar = new Temporal.Calendar("iso8601"); + const date = new Temporal.PlainDate(2000, 5, 2, calendar); + const prototypeDescrs = Object.getOwnPropertyDescriptors(Temporal.PlainDate.prototype); + ["year", "month", "monthCode", "day"].forEach((property) => { + Object.defineProperty(date, property, { + get() { + actual.push(`get ${formatPropertyName(property)}`); + const value = prototypeDescrs[property].get.call(this); + return TemporalHelpers.toPrimitiveObserver(actual, value, property); + }, + }); + }); + ["hour", "minute", "second", "millisecond", "microsecond", "nanosecond"].forEach((property) => { + Object.defineProperty(date, property, { + get() { + actual.push(`get ${formatPropertyName(property)}`); + return undefined; + }, + }); + }); + Object.defineProperty(date, "calendar", { + get() { + actual.push("get calendar"); + return calendar; + }, + }); + + func(date, calendar); + assert.compareArray(actual, expected, "property getters not called"); + }, + + /* + * A custom calendar used in prototype pollution checks. Verifies that the + * fromFields methods are always called with a null-prototype fields object. + */ + calendarCheckFieldsPrototypePollution() { + class CalendarCheckFieldsPrototypePollution extends Temporal.Calendar { + constructor() { + super("iso8601"); + this.dateFromFieldsCallCount = 0; + this.yearMonthFromFieldsCallCount = 0; + this.monthDayFromFieldsCallCount = 0; + } + + // toString must remain "iso8601", so that some methods don't throw due to + // incompatible calendars + + dateFromFields(fields, options = {}) { + this.dateFromFieldsCallCount++; + assert.sameValue(Object.getPrototypeOf(fields), null, "dateFromFields should be called with null-prototype fields object"); + return super.dateFromFields(fields, options); + } + + yearMonthFromFields(fields, options = {}) { + this.yearMonthFromFieldsCallCount++; + assert.sameValue(Object.getPrototypeOf(fields), null, "yearMonthFromFields should be called with null-prototype fields object"); + return super.yearMonthFromFields(fields, options); + } + + monthDayFromFields(fields, options = {}) { + this.monthDayFromFieldsCallCount++; + assert.sameValue(Object.getPrototypeOf(fields), null, "monthDayFromFields should be called with null-prototype fields object"); + return super.monthDayFromFields(fields, options); + } + } + + return new CalendarCheckFieldsPrototypePollution(); + }, + + /* + * A custom calendar used in prototype pollution checks. Verifies that the + * mergeFields() method is always called with null-prototype fields objects. + */ + calendarCheckMergeFieldsPrototypePollution() { + class CalendarCheckMergeFieldsPrototypePollution extends Temporal.Calendar { + constructor() { + super("iso8601"); + this.mergeFieldsCallCount = 0; + } + + toString() { + return "merge-fields-null-proto"; + } + + mergeFields(fields, additionalFields) { + this.mergeFieldsCallCount++; + assert.sameValue(Object.getPrototypeOf(fields), null, "mergeFields should be called with null-prototype fields object (first argument)"); + assert.sameValue(Object.getPrototypeOf(additionalFields), null, "mergeFields should be called with null-prototype fields object (second argument)"); + return super.mergeFields(fields, additionalFields); + } + } + + return new CalendarCheckMergeFieldsPrototypePollution(); + }, + + /* + * A custom calendar used in prototype pollution checks. Verifies that methods + * are always called with a null-prototype options object. + */ + calendarCheckOptionsPrototypePollution() { + class CalendarCheckOptionsPrototypePollution extends Temporal.Calendar { + constructor() { + super("iso8601"); + this.yearMonthFromFieldsCallCount = 0; + this.dateUntilCallCount = 0; + } + + toString() { + return "options-null-proto"; + } + + yearMonthFromFields(fields, options) { + this.yearMonthFromFieldsCallCount++; + assert.sameValue(Object.getPrototypeOf(options), null, "yearMonthFromFields should be called with null-prototype options"); + return super.yearMonthFromFields(fields, options); + } + + dateUntil(one, two, options) { + this.dateUntilCallCount++; + assert.sameValue(Object.getPrototypeOf(options), null, "dateUntil should be called with null-prototype options"); + return super.dateUntil(one, two, options); + } + } + + return new CalendarCheckOptionsPrototypePollution(); + }, + + /* + * A custom calendar that asserts its dateAdd() method is called with the + * options parameter having the value undefined. + */ + calendarDateAddUndefinedOptions() { + class CalendarDateAddUndefinedOptions extends Temporal.Calendar { + constructor() { + super("iso8601"); + this.dateAddCallCount = 0; + } + + toString() { + return "dateadd-undef-options"; + } + + dateAdd(date, duration, options) { + this.dateAddCallCount++; + assert.sameValue(options, undefined, "dateAdd shouldn't be called with options"); + return super.dateAdd(date, duration, options); + } + } + return new CalendarDateAddUndefinedOptions(); + }, + + /* + * A custom calendar that asserts its dateAdd() method is called with a + * PlainDate instance. Optionally, it also asserts that the PlainDate instance + * is the specific object `this.specificPlainDate`, if it is set by the + * calling code. + */ + calendarDateAddPlainDateInstance() { + class CalendarDateAddPlainDateInstance extends Temporal.Calendar { + constructor() { + super("iso8601"); + this.dateAddCallCount = 0; + this.specificPlainDate = undefined; + } + + toString() { + return "dateadd-plain-date-instance"; + } + + dateFromFields(...args) { + return super.dateFromFields(...args).withCalendar(this); + } + + dateAdd(date, duration, options) { + this.dateAddCallCount++; + assert(date instanceof Temporal.PlainDate, "dateAdd() should be called with a PlainDate instance"); + if (this.dateAddCallCount === 1 && this.specificPlainDate) { + assert.sameValue(date, this.specificPlainDate, `dateAdd() should be called first with the specific PlainDate instance ${this.specificPlainDate}`); + } + return super.dateAdd(date, duration, options).withCalendar(this); + } + } + return new CalendarDateAddPlainDateInstance(); + }, + + /* + * A custom calendar that returns an iterable instead of an array from its + * fields() method, otherwise identical to the ISO calendar. + */ + calendarFieldsIterable() { + class CalendarFieldsIterable extends Temporal.Calendar { + constructor() { + super("iso8601"); + this.fieldsCallCount = 0; + this.fieldsCalledWith = []; + this.iteratorExhausted = []; + } + + toString() { + return "fields-iterable"; + } + + fields(fieldNames) { + this.fieldsCallCount++; + this.fieldsCalledWith.push(fieldNames.slice()); + this.iteratorExhausted.push(false); + return { + callIndex: this.fieldsCallCount - 1, + calendar: this, + *[Symbol.iterator]() { + yield* this.calendar.fieldsCalledWith[this.callIndex]; + this.calendar.iteratorExhausted[this.callIndex] = true; + }, + }; + } + } + return new CalendarFieldsIterable(); + }, + + /* + * A custom calendar that asserts its ...FromFields() methods are called with + * the options parameter having the value undefined. + */ + calendarFromFieldsUndefinedOptions() { + class CalendarFromFieldsUndefinedOptions extends Temporal.Calendar { + constructor() { + super("iso8601"); + this.dateFromFieldsCallCount = 0; + this.monthDayFromFieldsCallCount = 0; + this.yearMonthFromFieldsCallCount = 0; + } + + toString() { + return "from-fields-undef-options"; + } + + dateFromFields(fields, options) { + this.dateFromFieldsCallCount++; + assert.sameValue(options, undefined, "dateFromFields shouldn't be called with options"); + return super.dateFromFields(fields, options); + } + + yearMonthFromFields(fields, options) { + this.yearMonthFromFieldsCallCount++; + assert.sameValue(options, undefined, "yearMonthFromFields shouldn't be called with options"); + return super.yearMonthFromFields(fields, options); + } + + monthDayFromFields(fields, options) { + this.monthDayFromFieldsCallCount++; + assert.sameValue(options, undefined, "monthDayFromFields shouldn't be called with options"); + return super.monthDayFromFields(fields, options); + } + } + return new CalendarFromFieldsUndefinedOptions(); + }, + + /* + * A custom calendar that modifies the fields object passed in to + * dateFromFields, sabotaging its time properties. + */ + calendarMakeInfinityTime() { + class CalendarMakeInfinityTime extends Temporal.Calendar { + constructor() { + super("iso8601"); + } + + dateFromFields(fields, options) { + const retval = super.dateFromFields(fields, options); + fields.hour = Infinity; + fields.minute = Infinity; + fields.second = Infinity; + fields.millisecond = Infinity; + fields.microsecond = Infinity; + fields.nanosecond = Infinity; + return retval; + } + } + return new CalendarMakeInfinityTime(); + }, + + /* + * A custom calendar that defines getters on the fields object passed into + * dateFromFields that throw, sabotaging its time properties. + */ + calendarMakeInvalidGettersTime() { + class CalendarMakeInvalidGettersTime extends Temporal.Calendar { + constructor() { + super("iso8601"); + } + + dateFromFields(fields, options) { + const retval = super.dateFromFields(fields, options); + const throwingDescriptor = { + get() { + throw new Test262Error("reading a sabotaged time field"); + }, + }; + Object.defineProperties(fields, { + hour: throwingDescriptor, + minute: throwingDescriptor, + second: throwingDescriptor, + millisecond: throwingDescriptor, + microsecond: throwingDescriptor, + nanosecond: throwingDescriptor, + }); + return retval; + } + } + return new CalendarMakeInvalidGettersTime(); + }, + + /* + * A custom calendar whose mergeFields() method returns a proxy object with + * all of its Get and HasProperty operations observable, as well as adding a + * "shouldNotBeCopied": true property. + */ + calendarMergeFieldsGetters() { + class CalendarMergeFieldsGetters extends Temporal.Calendar { + constructor() { + super("iso8601"); + this.mergeFieldsReturnOperations = []; + } + + toString() { + return "merge-fields-getters"; + } + + dateFromFields(fields, options) { + assert.sameValue(fields.shouldNotBeCopied, undefined, "extra fields should not be copied"); + return super.dateFromFields(fields, options); + } + + yearMonthFromFields(fields, options) { + assert.sameValue(fields.shouldNotBeCopied, undefined, "extra fields should not be copied"); + return super.yearMonthFromFields(fields, options); + } + + monthDayFromFields(fields, options) { + assert.sameValue(fields.shouldNotBeCopied, undefined, "extra fields should not be copied"); + return super.monthDayFromFields(fields, options); + } + + mergeFields(fields, additionalFields) { + const retval = super.mergeFields(fields, additionalFields); + retval._calendar = this; + retval.shouldNotBeCopied = true; + return new Proxy(retval, { + get(target, key) { + target._calendar.mergeFieldsReturnOperations.push(`get ${key}`); + const result = target[key]; + if (result === undefined) { + return undefined; + } + return TemporalHelpers.toPrimitiveObserver(target._calendar.mergeFieldsReturnOperations, result, key); + }, + has(target, key) { + target._calendar.mergeFieldsReturnOperations.push(`has ${key}`); + return key in target; + }, + }); + } + } + return new CalendarMergeFieldsGetters(); + }, + + /* + * A custom calendar whose mergeFields() method returns a primitive value, + * given by @primitive, and which records the number of calls made to its + * dateFromFields(), yearMonthFromFields(), and monthDayFromFields() methods. + */ + calendarMergeFieldsReturnsPrimitive(primitive) { + class CalendarMergeFieldsPrimitive extends Temporal.Calendar { + constructor(mergeFieldsReturnValue) { + super("iso8601"); + this._mergeFieldsReturnValue = mergeFieldsReturnValue; + this.dateFromFieldsCallCount = 0; + this.monthDayFromFieldsCallCount = 0; + this.yearMonthFromFieldsCallCount = 0; + } + + toString() { + return "merge-fields-primitive"; + } + + dateFromFields(fields, options) { + this.dateFromFieldsCallCount++; + return super.dateFromFields(fields, options); + } + + yearMonthFromFields(fields, options) { + this.yearMonthFromFieldsCallCount++; + return super.yearMonthFromFields(fields, options); + } + + monthDayFromFields(fields, options) { + this.monthDayFromFieldsCallCount++; + return super.monthDayFromFields(fields, options); + } + + mergeFields() { + return this._mergeFieldsReturnValue; + } + } + return new CalendarMergeFieldsPrimitive(primitive); + }, + + /* + * A custom calendar whose fields() method returns the same value as the + * iso8601 calendar, with the addition of extraFields provided as parameter. + */ + calendarWithExtraFields(fields) { + class CalendarWithExtraFields extends Temporal.Calendar { + constructor(extraFields) { + super("iso8601"); + this._extraFields = extraFields; + } + + fields(fieldNames) { + return super.fields(fieldNames).concat(this._extraFields); + } + } + + return new CalendarWithExtraFields(fields); + }, + + /* + * crossDateLineTimeZone(): + * + * This returns an instance of a custom time zone class that implements one + * single transition where the time zone moves from one side of the + * International Date Line to the other, for the purpose of testing time zone + * calculations without depending on system time zone data. + * + * The transition occurs at epoch second 1325239200 and goes from offset + * -10:00 to +14:00. In other words, the time zone skips the whole calendar + * day of 2011-12-30. This is the same as the real-life transition in the + * Pacific/Apia time zone. + */ + crossDateLineTimeZone() { + const { compare } = Temporal.PlainDate; + const skippedDay = new Temporal.PlainDate(2011, 12, 30); + const transitionEpoch = 1325239200_000_000_000n; + const beforeOffset = new Temporal.TimeZone("-10:00"); + const afterOffset = new Temporal.TimeZone("+14:00"); + + class CrossDateLineTimeZone extends Temporal.TimeZone { + constructor() { + super("+14:00"); + } + + getOffsetNanosecondsFor(instant) { + if (instant.epochNanoseconds < transitionEpoch) { + return beforeOffset.getOffsetNanosecondsFor(instant); + } + return afterOffset.getOffsetNanosecondsFor(instant); + } + + getPossibleInstantsFor(datetime) { + const comparison = compare(datetime.toPlainDate(), skippedDay); + if (comparison === 0) { + return []; + } + if (comparison < 0) { + return [beforeOffset.getInstantFor(datetime)]; + } + return [afterOffset.getInstantFor(datetime)]; + } + + getPreviousTransition(instant) { + if (instant.epochNanoseconds > transitionEpoch) return new Temporal.Instant(transitionEpoch); + return null; + } + + getNextTransition(instant) { + if (instant.epochNanoseconds < transitionEpoch) return new Temporal.Instant(transitionEpoch); + return null; + } + + toString() { + return "Custom/Date_Line"; + } + } + return new CrossDateLineTimeZone(); + }, + + /* + * observeProperty(calls, object, propertyName, value): + * + * Defines an own property @object.@propertyName with value @value, that + * will log any calls to its accessors to the array @calls. + */ + observeProperty(calls, object, propertyName, value, objectName = "") { + Object.defineProperty(object, propertyName, { + get() { + calls.push(`get ${formatPropertyName(propertyName, objectName)}`); + return value; + }, + set(v) { + calls.push(`set ${formatPropertyName(propertyName, objectName)}`); + } + }); + }, + + /* + * observeMethod(calls, object, propertyName, value): + * + * Defines an own property @object.@propertyName with value @value, that + * will log any calls of @value to the array @calls. + */ + observeMethod(calls, object, propertyName, objectName = "") { + const method = object[propertyName]; + object[propertyName] = function () { + calls.push(`call ${formatPropertyName(propertyName, objectName)}`); + return method.apply(object, arguments); + }; + }, + + /* + * Used for substituteMethod to indicate default behavior instead of a + * substituted value + */ + SUBSTITUTE_SKIP: SKIP_SYMBOL, + + /* + * substituteMethod(object, propertyName, values): + * + * Defines an own property @object.@propertyName that will, for each + * subsequent call to the method previously defined as + * @object.@propertyName: + * - Call the method, if no more values remain + * - Call the method, if the value in @values for the corresponding call + * is SUBSTITUTE_SKIP + * - Otherwise, return the corresponding value in @value + */ + substituteMethod(object, propertyName, values) { + let calls = 0; + const method = object[propertyName]; + object[propertyName] = function () { + if (calls >= values.length) { + return method.apply(object, arguments); + } else if (values[calls] === SKIP_SYMBOL) { + calls++; + return method.apply(object, arguments); + } else { + return values[calls++]; + } + }; + }, + + /* + * calendarObserver: + * A custom calendar that behaves exactly like the ISO 8601 calendar but + * tracks calls to any of its methods, and Get/Has operations on its + * properties, by appending messages to an array. This is for the purpose of + * testing order of operations that are observable from user code. + * objectName is used in the log. + */ + calendarObserver(calls, objectName, methodOverrides = {}) { + function removeExtraHasPropertyChecks(objectName, calls) { + // Inserting the tracking calendar into the return values of methods + // that we chain up into the ISO calendar for, causes extra HasProperty + // checks, which we observe. This removes them so that we don't leak + // implementation details of the helper into the test code. + assert.sameValue(calls.pop(), `has ${objectName}.yearOfWeek`); + assert.sameValue(calls.pop(), `has ${objectName}.yearMonthFromFields`); + assert.sameValue(calls.pop(), `has ${objectName}.year`); + assert.sameValue(calls.pop(), `has ${objectName}.weekOfYear`); + assert.sameValue(calls.pop(), `has ${objectName}.monthsInYear`); + assert.sameValue(calls.pop(), `has ${objectName}.monthDayFromFields`); + assert.sameValue(calls.pop(), `has ${objectName}.monthCode`); + assert.sameValue(calls.pop(), `has ${objectName}.month`); + assert.sameValue(calls.pop(), `has ${objectName}.mergeFields`); + assert.sameValue(calls.pop(), `has ${objectName}.inLeapYear`); + assert.sameValue(calls.pop(), `has ${objectName}.id`); + assert.sameValue(calls.pop(), `has ${objectName}.fields`); + assert.sameValue(calls.pop(), `has ${objectName}.daysInYear`); + assert.sameValue(calls.pop(), `has ${objectName}.daysInWeek`); + assert.sameValue(calls.pop(), `has ${objectName}.daysInMonth`); + assert.sameValue(calls.pop(), `has ${objectName}.dayOfYear`); + assert.sameValue(calls.pop(), `has ${objectName}.dayOfWeek`); + assert.sameValue(calls.pop(), `has ${objectName}.day`); + assert.sameValue(calls.pop(), `has ${objectName}.dateUntil`); + assert.sameValue(calls.pop(), `has ${objectName}.dateFromFields`); + assert.sameValue(calls.pop(), `has ${objectName}.dateAdd`); + } + + const iso8601 = new Temporal.Calendar("iso8601"); + const trackingMethods = { + dateFromFields(...args) { + calls.push(`call ${objectName}.dateFromFields`); + if ('dateFromFields' in methodOverrides) { + const value = methodOverrides.dateFromFields; + return typeof value === "function" ? value(...args) : value; + } + const originalResult = iso8601.dateFromFields(...args); + // Replace the calendar in the result with the call-tracking calendar + const {isoYear, isoMonth, isoDay} = originalResult.getISOFields(); + const result = new Temporal.PlainDate(isoYear, isoMonth, isoDay, this); + removeExtraHasPropertyChecks(objectName, calls); + return result; + }, + yearMonthFromFields(...args) { + calls.push(`call ${objectName}.yearMonthFromFields`); + if ('yearMonthFromFields' in methodOverrides) { + const value = methodOverrides.yearMonthFromFields; + return typeof value === "function" ? value(...args) : value; + } + const originalResult = iso8601.yearMonthFromFields(...args); + // Replace the calendar in the result with the call-tracking calendar + const {isoYear, isoMonth, isoDay} = originalResult.getISOFields(); + const result = new Temporal.PlainYearMonth(isoYear, isoMonth, this, isoDay); + removeExtraHasPropertyChecks(objectName, calls); + return result; + }, + monthDayFromFields(...args) { + calls.push(`call ${objectName}.monthDayFromFields`); + if ('monthDayFromFields' in methodOverrides) { + const value = methodOverrides.monthDayFromFields; + return typeof value === "function" ? value(...args) : value; + } + const originalResult = iso8601.monthDayFromFields(...args); + // Replace the calendar in the result with the call-tracking calendar + const {isoYear, isoMonth, isoDay} = originalResult.getISOFields(); + const result = new Temporal.PlainMonthDay(isoMonth, isoDay, this, isoYear); + removeExtraHasPropertyChecks(objectName, calls); + return result; + }, + dateAdd(...args) { + calls.push(`call ${objectName}.dateAdd`); + if ('dateAdd' in methodOverrides) { + const value = methodOverrides.dateAdd; + return typeof value === "function" ? value(...args) : value; + } + const originalResult = iso8601.dateAdd(...args); + const {isoYear, isoMonth, isoDay} = originalResult.getISOFields(); + const result = new Temporal.PlainDate(isoYear, isoMonth, isoDay, this); + removeExtraHasPropertyChecks(objectName, calls); + return result; + }, + id: "iso8601", + }; + // Automatically generate the other methods that don't need any custom code + [ + "dateUntil", + "day", + "dayOfWeek", + "dayOfYear", + "daysInMonth", + "daysInWeek", + "daysInYear", + "era", + "eraYear", + "fields", + "inLeapYear", + "mergeFields", + "month", + "monthCode", + "monthsInYear", + "toString", + "weekOfYear", + "year", + "yearOfWeek", + ].forEach((methodName) => { + trackingMethods[methodName] = function (...args) { + calls.push(`call ${formatPropertyName(methodName, objectName)}`); + if (methodName in methodOverrides) { + const value = methodOverrides[methodName]; + return typeof value === "function" ? value(...args) : value; + } + return iso8601[methodName](...args); + }; + }); + return new Proxy(trackingMethods, { + get(target, key, receiver) { + const result = Reflect.get(target, key, receiver); + calls.push(`get ${formatPropertyName(key, objectName)}`); + return result; + }, + has(target, key) { + calls.push(`has ${formatPropertyName(key, objectName)}`); + return Reflect.has(target, key); + }, + }); + }, + + /* + * A custom calendar that does not allow any of its methods to be called, for + * the purpose of asserting that a particular operation does not call into + * user code. + */ + calendarThrowEverything() { + class CalendarThrowEverything extends Temporal.Calendar { + constructor() { + super("iso8601"); + } + toString() { + TemporalHelpers.assertUnreachable("toString should not be called"); + } + dateFromFields() { + TemporalHelpers.assertUnreachable("dateFromFields should not be called"); + } + yearMonthFromFields() { + TemporalHelpers.assertUnreachable("yearMonthFromFields should not be called"); + } + monthDayFromFields() { + TemporalHelpers.assertUnreachable("monthDayFromFields should not be called"); + } + dateAdd() { + TemporalHelpers.assertUnreachable("dateAdd should not be called"); + } + dateUntil() { + TemporalHelpers.assertUnreachable("dateUntil should not be called"); + } + era() { + TemporalHelpers.assertUnreachable("era should not be called"); + } + eraYear() { + TemporalHelpers.assertUnreachable("eraYear should not be called"); + } + year() { + TemporalHelpers.assertUnreachable("year should not be called"); + } + month() { + TemporalHelpers.assertUnreachable("month should not be called"); + } + monthCode() { + TemporalHelpers.assertUnreachable("monthCode should not be called"); + } + day() { + TemporalHelpers.assertUnreachable("day should not be called"); + } + fields() { + TemporalHelpers.assertUnreachable("fields should not be called"); + } + mergeFields() { + TemporalHelpers.assertUnreachable("mergeFields should not be called"); + } + } + + return new CalendarThrowEverything(); + }, + + /* + * oneShiftTimeZone(shiftInstant, shiftNanoseconds): + * + * In the case of a spring-forward time zone offset transition (skipped time), + * and disambiguation === 'earlier', BuiltinTimeZoneGetInstantFor subtracts a + * negative number of nanoseconds from a PlainDateTime, which should balance + * with the microseconds field. + * + * This returns an instance of a custom time zone class which skips a length + * of time equal to shiftNanoseconds (a number), at the Temporal.Instant + * shiftInstant. Before shiftInstant, it's identical to UTC, and after + * shiftInstant it's a constant-offset time zone. + * + * It provides a getPossibleInstantsForCalledWith member which is an array + * with the result of calling toString() on any PlainDateTimes passed to + * getPossibleInstantsFor(). + */ + oneShiftTimeZone(shiftInstant, shiftNanoseconds) { + class OneShiftTimeZone extends Temporal.TimeZone { + constructor(shiftInstant, shiftNanoseconds) { + super("+00:00"); + this._shiftInstant = shiftInstant; + this._epoch1 = shiftInstant.epochNanoseconds; + this._epoch2 = this._epoch1 + BigInt(shiftNanoseconds); + this._shiftNanoseconds = shiftNanoseconds; + this._shift = new Temporal.Duration(0, 0, 0, 0, 0, 0, 0, 0, 0, this._shiftNanoseconds); + this.getPossibleInstantsForCalledWith = []; + } + + _isBeforeShift(instant) { + return instant.epochNanoseconds < this._epoch1; + } + + getOffsetNanosecondsFor(instant) { + return this._isBeforeShift(instant) ? 0 : this._shiftNanoseconds; + } + + getPossibleInstantsFor(plainDateTime) { + this.getPossibleInstantsForCalledWith.push(plainDateTime.toString({ calendarName: "never" })); + const [instant] = super.getPossibleInstantsFor(plainDateTime); + if (this._shiftNanoseconds > 0) { + if (this._isBeforeShift(instant)) return [instant]; + if (instant.epochNanoseconds < this._epoch2) return []; + return [instant.subtract(this._shift)]; + } + if (instant.epochNanoseconds < this._epoch2) return [instant]; + const shifted = instant.subtract(this._shift); + if (this._isBeforeShift(instant)) return [instant, shifted]; + return [shifted]; + } + + getNextTransition(instant) { + return this._isBeforeShift(instant) ? this._shiftInstant : null; + } + + getPreviousTransition(instant) { + return this._isBeforeShift(instant) ? null : this._shiftInstant; + } + + toString() { + return "Custom/One_Shift"; + } + } + return new OneShiftTimeZone(shiftInstant, shiftNanoseconds); + }, + + /* + * propertyBagObserver(): + * Returns an object that behaves like the given propertyBag but tracks Get + * and Has operations on any of its properties, by appending messages to an + * array. If the value of a property in propertyBag is a primitive, the value + * of the returned object's property will additionally be a + * TemporalHelpers.toPrimitiveObserver that will track calls to its toString + * and valueOf methods in the same array. This is for the purpose of testing + * order of operations that are observable from user code. objectName is used + * in the log. + */ + propertyBagObserver(calls, propertyBag, objectName) { + return new Proxy(propertyBag, { + ownKeys(target) { + calls.push(`ownKeys ${objectName}`); + return Reflect.ownKeys(target); + }, + getOwnPropertyDescriptor(target, key) { + calls.push(`getOwnPropertyDescriptor ${formatPropertyName(key, objectName)}`); + return Reflect.getOwnPropertyDescriptor(target, key); + }, + get(target, key, receiver) { + calls.push(`get ${formatPropertyName(key, objectName)}`); + const result = Reflect.get(target, key, receiver); + if (result === undefined) { + return undefined; + } + if ((result !== null && typeof result === "object") || typeof result === "function") { + return result; + } + return TemporalHelpers.toPrimitiveObserver(calls, result, `${formatPropertyName(key, objectName)}`); + }, + has(target, key) { + calls.push(`has ${formatPropertyName(key, objectName)}`); + return Reflect.has(target, key); + }, + }); + }, + + /* + * specificOffsetTimeZone(): + * + * This returns an instance of a custom time zone class, which returns a + * specific custom value from its getOffsetNanosecondsFrom() method. This is + * for the purpose of testing the validation of what this method returns. + * + * It also returns an empty array from getPossibleInstantsFor(), so as to + * trigger calls to getOffsetNanosecondsFor() when used from the + * BuiltinTimeZoneGetInstantFor operation. + */ + specificOffsetTimeZone(offsetValue) { + class SpecificOffsetTimeZone extends Temporal.TimeZone { + constructor(offsetValue) { + super("UTC"); + this._offsetValue = offsetValue; + } + + getOffsetNanosecondsFor() { + return this._offsetValue; + } + + getPossibleInstantsFor(dt) { + if (typeof this._offsetValue !== 'number' || Math.abs(this._offsetValue) >= 86400e9 || isNaN(this._offsetValue)) return []; + const zdt = dt.toZonedDateTime("UTC").add({ nanoseconds: -this._offsetValue }); + return [zdt.toInstant()]; + } + + get id() { + return this.getOffsetStringFor(new Temporal.Instant(0n)); + } + } + return new SpecificOffsetTimeZone(offsetValue); + }, + + /* + * springForwardFallBackTimeZone(): + * + * This returns an instance of a custom time zone class that implements one + * single spring-forward/fall-back transition, for the purpose of testing the + * disambiguation option, without depending on system time zone data. + * + * The spring-forward occurs at epoch second 954669600 (2000-04-02T02:00 + * local) and goes from offset -08:00 to -07:00. + * + * The fall-back occurs at epoch second 972810000 (2000-10-29T02:00 local) and + * goes from offset -07:00 to -08:00. + */ + springForwardFallBackTimeZone() { + const { compare } = Temporal.PlainDateTime; + const springForwardLocal = new Temporal.PlainDateTime(2000, 4, 2, 2); + const springForwardEpoch = 954669600_000_000_000n; + const fallBackLocal = new Temporal.PlainDateTime(2000, 10, 29, 1); + const fallBackEpoch = 972810000_000_000_000n; + const winterOffset = new Temporal.TimeZone('-08:00'); + const summerOffset = new Temporal.TimeZone('-07:00'); + + class SpringForwardFallBackTimeZone extends Temporal.TimeZone { + constructor() { + super("-08:00"); + } + + getOffsetNanosecondsFor(instant) { + if (instant.epochNanoseconds < springForwardEpoch || + instant.epochNanoseconds >= fallBackEpoch) { + return winterOffset.getOffsetNanosecondsFor(instant); + } + return summerOffset.getOffsetNanosecondsFor(instant); + } + + getPossibleInstantsFor(datetime) { + if (compare(datetime, springForwardLocal) >= 0 && compare(datetime, springForwardLocal.add({ hours: 1 })) < 0) { + return []; + } + if (compare(datetime, fallBackLocal) >= 0 && compare(datetime, fallBackLocal.add({ hours: 1 })) < 0) { + return [summerOffset.getInstantFor(datetime), winterOffset.getInstantFor(datetime)]; + } + if (compare(datetime, springForwardLocal) < 0 || compare(datetime, fallBackLocal) >= 0) { + return [winterOffset.getInstantFor(datetime)]; + } + return [summerOffset.getInstantFor(datetime)]; + } + + getPreviousTransition(instant) { + if (instant.epochNanoseconds > fallBackEpoch) return new Temporal.Instant(fallBackEpoch); + if (instant.epochNanoseconds > springForwardEpoch) return new Temporal.Instant(springForwardEpoch); + return null; + } + + getNextTransition(instant) { + if (instant.epochNanoseconds < springForwardEpoch) return new Temporal.Instant(springForwardEpoch); + if (instant.epochNanoseconds < fallBackEpoch) return new Temporal.Instant(fallBackEpoch); + return null; + } + + get id() { + return "Custom/Spring_Fall"; + } + + toString() { + return "Custom/Spring_Fall"; + } + } + return new SpringForwardFallBackTimeZone(); + }, + + /* + * timeZoneObserver: + * A custom calendar that behaves exactly like the UTC time zone but tracks + * calls to any of its methods, and Get/Has operations on its properties, by + * appending messages to an array. This is for the purpose of testing order of + * operations that are observable from user code. objectName is used in the + * log. methodOverrides is an optional object containing properties with the + * same name as Temporal.TimeZone methods. If the property value is a function + * it will be called with the proper arguments instead of the UTC method. + * Otherwise, the property value will be returned directly. + */ + timeZoneObserver(calls, objectName, methodOverrides = {}) { + const utc = new Temporal.TimeZone("UTC"); + const trackingMethods = { + id: "UTC", + }; + // Automatically generate the methods + ["getOffsetNanosecondsFor", "getPossibleInstantsFor", "toString"].forEach((methodName) => { + trackingMethods[methodName] = function (...args) { + calls.push(`call ${formatPropertyName(methodName, objectName)}`); + if (methodName in methodOverrides) { + const value = methodOverrides[methodName]; + return typeof value === "function" ? value(...args) : value; + } + return utc[methodName](...args); + }; + }); + return new Proxy(trackingMethods, { + get(target, key, receiver) { + const result = Reflect.get(target, key, receiver); + calls.push(`get ${formatPropertyName(key, objectName)}`); + return result; + }, + has(target, key) { + calls.push(`has ${formatPropertyName(key, objectName)}`); + return Reflect.has(target, key); + }, + }); + }, + + /* + * A custom time zone that does not allow any of its methods to be called, for + * the purpose of asserting that a particular operation does not call into + * user code. + */ + timeZoneThrowEverything() { + class TimeZoneThrowEverything extends Temporal.TimeZone { + constructor() { + super("UTC"); + } + getOffsetNanosecondsFor() { + TemporalHelpers.assertUnreachable("getOffsetNanosecondsFor should not be called"); + } + getPossibleInstantsFor() { + TemporalHelpers.assertUnreachable("getPossibleInstantsFor should not be called"); + } + toString() { + TemporalHelpers.assertUnreachable("toString should not be called"); + } + } + + return new TimeZoneThrowEverything(); + }, + + /* + * Returns an object that will append logs of any Gets or Calls of its valueOf + * or toString properties to the array calls. Both valueOf and toString will + * return the actual primitiveValue. propertyName is used in the log. + */ + toPrimitiveObserver(calls, primitiveValue, propertyName) { + return { + get valueOf() { + calls.push(`get ${propertyName}.valueOf`); + return function () { + calls.push(`call ${propertyName}.valueOf`); + return primitiveValue; + }; + }, + get toString() { + calls.push(`get ${propertyName}.toString`); + return function () { + calls.push(`call ${propertyName}.toString`); + if (primitiveValue === undefined) return undefined; + return primitiveValue.toString(); + }; + }, + }; + }, + + /* + * An object containing further methods that return arrays of ISO strings, for + * testing parsers. + */ + ISO: { + /* + * PlainMonthDay strings that are not valid. + */ + plainMonthDayStringsInvalid() { + return [ + "11-18junk", + "11-18[u-ca=gregory]", + "11-18[u-ca=hebrew]", + ]; + }, + + /* + * PlainMonthDay strings that are valid and that should produce October 1st. + */ + plainMonthDayStringsValid() { + return [ + "10-01", + "1001", + "1965-10-01", + "1976-10-01T152330.1+00:00", + "19761001T15:23:30.1+00:00", + "1976-10-01T15:23:30.1+0000", + "1976-10-01T152330.1+0000", + "19761001T15:23:30.1+0000", + "19761001T152330.1+00:00", + "19761001T152330.1+0000", + "+001976-10-01T152330.1+00:00", + "+0019761001T15:23:30.1+00:00", + "+001976-10-01T15:23:30.1+0000", + "+001976-10-01T152330.1+0000", + "+0019761001T15:23:30.1+0000", + "+0019761001T152330.1+00:00", + "+0019761001T152330.1+0000", + "1976-10-01T15:23:00", + "1976-10-01T15:23", + "1976-10-01T15", + "1976-10-01", + "--10-01", + "--1001", + ]; + }, + + /* + * PlainTime strings that may be mistaken for PlainMonthDay or + * PlainYearMonth strings, and so require a time designator. + */ + plainTimeStringsAmbiguous() { + const ambiguousStrings = [ + "2021-12", // ambiguity between YYYY-MM and HHMM-UU + "2021-12[-12:00]", // ditto, TZ does not disambiguate + "1214", // ambiguity between MMDD and HHMM + "0229", // ditto, including MMDD that doesn't occur every year + "1130", // ditto, including DD that doesn't occur in every month + "12-14", // ambiguity between MM-DD and HH-UU + "12-14[-14:00]", // ditto, TZ does not disambiguate + "202112", // ambiguity between YYYYMM and HHMMSS + "202112[UTC]", // ditto, TZ does not disambiguate + ]; + // Adding a calendar annotation to one of these strings must not cause + // disambiguation in favour of time. + const stringsWithCalendar = ambiguousStrings.map((s) => s + '[u-ca=iso8601]'); + return ambiguousStrings.concat(stringsWithCalendar); + }, + + /* + * PlainTime strings that are of similar form to PlainMonthDay and + * PlainYearMonth strings, but are not ambiguous due to components that + * aren't valid as months or days. + */ + plainTimeStringsUnambiguous() { + return [ + "2021-13", // 13 is not a month + "202113", // ditto + "2021-13[-13:00]", // ditto + "202113[-13:00]", // ditto + "0000-00", // 0 is not a month + "000000", // ditto + "0000-00[UTC]", // ditto + "000000[UTC]", // ditto + "1314", // 13 is not a month + "13-14", // ditto + "1232", // 32 is not a day + "0230", // 30 is not a day in February + "0631", // 31 is not a day in June + "0000", // 0 is neither a month nor a day + "00-00", // ditto + ]; + }, + + /* + * PlainYearMonth-like strings that are not valid. + */ + plainYearMonthStringsInvalid() { + return [ + "2020-13", + ]; + }, + + /* + * PlainYearMonth-like strings that are valid and should produce November + * 1976 in the ISO 8601 calendar. + */ + plainYearMonthStringsValid() { + return [ + "1976-11", + "1976-11-10", + "1976-11-01T09:00:00+00:00", + "1976-11-01T00:00:00+05:00", + "197611", + "+00197611", + "1976-11-18T15:23:30.1\u221202:00", + "1976-11-18T152330.1+00:00", + "19761118T15:23:30.1+00:00", + "1976-11-18T15:23:30.1+0000", + "1976-11-18T152330.1+0000", + "19761118T15:23:30.1+0000", + "19761118T152330.1+00:00", + "19761118T152330.1+0000", + "+001976-11-18T152330.1+00:00", + "+0019761118T15:23:30.1+00:00", + "+001976-11-18T15:23:30.1+0000", + "+001976-11-18T152330.1+0000", + "+0019761118T15:23:30.1+0000", + "+0019761118T152330.1+00:00", + "+0019761118T152330.1+0000", + "1976-11-18T15:23", + "1976-11-18T15", + "1976-11-18", + ]; + }, + + /* + * PlainYearMonth-like strings that are valid and should produce November of + * the ISO year -9999. + */ + plainYearMonthStringsValidNegativeYear() { + return [ + "\u2212009999-11", + ]; + }, + } +}; + +// file: testTypedArray.js +// Copyright (C) 2015 André Bargull. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: | + Collection of functions used to assert the correctness of TypedArray objects. +defines: + - floatArrayConstructors + - nonClampedIntArrayConstructors + - intArrayConstructors + - typedArrayConstructors + - TypedArray + - testWithTypedArrayConstructors + - nonAtomicsFriendlyTypedArrayConstructors + - testWithAtomicsFriendlyTypedArrayConstructors + - testWithNonAtomicsFriendlyTypedArrayConstructors + - testTypedArrayConversions +---*/ + +var floatArrayConstructors = [ + Float64Array, + Float32Array +]; + +var nonClampedIntArrayConstructors = [ + Int32Array, + Int16Array, + Int8Array, + Uint32Array, + Uint16Array, + Uint8Array +]; + +var intArrayConstructors = nonClampedIntArrayConstructors.concat([Uint8ClampedArray]); + +// Float16Array is a newer feature +// adding it to this list unconditionally would cause implementations lacking it to fail every test which uses it +if (typeof Float16Array !== 'undefined') { + floatArrayConstructors.push(Float16Array); +} + +/** + * Array containing every non-bigint typed array constructor. + */ + +var typedArrayConstructors = floatArrayConstructors.concat(intArrayConstructors); + +/** + * The %TypedArray% intrinsic constructor function. + */ +var TypedArray = Object.getPrototypeOf(Int8Array); + +/** + * Callback for testing a typed array constructor. + * + * @callback typedArrayConstructorCallback + * @param {Function} Constructor the constructor object to test with. + */ + +/** + * Calls the provided function for every typed array constructor. + * + * @param {typedArrayConstructorCallback} f - the function to call for each typed array constructor. + * @param {Array} selected - An optional Array with filtered typed arrays + */ +function testWithTypedArrayConstructors(f, selected) { + var constructors = selected || typedArrayConstructors; + for (var i = 0; i < constructors.length; ++i) { + var constructor = constructors[i]; + try { + f(constructor); + } catch (e) { + e.message += " (Testing with " + constructor.name + ".)"; + throw e; + } + } +} + +var nonAtomicsFriendlyTypedArrayConstructors = floatArrayConstructors.concat([Uint8ClampedArray]); +/** + * Calls the provided function for every non-"Atomics Friendly" typed array constructor. + * + * @param {typedArrayConstructorCallback} f - the function to call for each typed array constructor. + * @param {Array} selected - An optional Array with filtered typed arrays + */ +function testWithNonAtomicsFriendlyTypedArrayConstructors(f) { + testWithTypedArrayConstructors(f, nonAtomicsFriendlyTypedArrayConstructors); +} + +/** + * Calls the provided function for every "Atomics Friendly" typed array constructor. + * + * @param {typedArrayConstructorCallback} f - the function to call for each typed array constructor. + * @param {Array} selected - An optional Array with filtered typed arrays + */ +function testWithAtomicsFriendlyTypedArrayConstructors(f) { + testWithTypedArrayConstructors(f, [ + Int32Array, + Int16Array, + Int8Array, + Uint32Array, + Uint16Array, + Uint8Array, + ]); +} + +/** + * Helper for conversion operations on TypedArrays, the expected values + * properties are indexed in order to match the respective value for each + * TypedArray constructor + * @param {Function} fn - the function to call for each constructor and value. + * will be called with the constructor, value, expected + * value, and a initial value that can be used to avoid + * a false positive with an equivalent expected value. + */ +function testTypedArrayConversions(byteConversionValues, fn) { + var values = byteConversionValues.values; + var expected = byteConversionValues.expected; + + testWithTypedArrayConstructors(function(TA) { + var name = TA.name.slice(0, -5); + + return values.forEach(function(value, index) { + var exp = expected[name][index]; + var initial = 0; + if (exp === 0) { + initial = 1; + } + fn(TA, value, exp, initial); + }); + }); +} + +/** + * Checks if the given argument is one of the float-based TypedArray constructors. + * + * @param {constructor} ctor - the value to check + * @returns {boolean} + */ +function isFloatTypedArrayConstructor(arg) { + return floatArrayConstructors.indexOf(arg) !== -1; +} + +/** + * Determines the precision of the given float-based TypedArray constructor. + * + * @param {constructor} ctor - the value to check + * @returns {string} "half", "single", or "double" for Float16Array, Float32Array, and Float64Array respectively. + */ +function floatTypedArrayConstructorPrecision(FA) { + if (typeof Float16Array !== "undefined" && FA === Float16Array) { + return "half"; + } else if (FA === Float32Array) { + return "single"; + } else if (FA === Float64Array) { + return "double"; + } else { + throw new Error("Malformed test - floatTypedArrayConstructorPrecision called with non-float TypedArray"); + } +} + +// file: timer.js +// Copyright (C) 2017 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +description: | + Used in website/scripts/sth.js +defines: [setTimeout] +---*/ +//setTimeout is not available, hence this script was loaded +if (Promise === undefined && this.setTimeout === undefined) { + if(/\$DONE()/.test(code)) + throw new Test262Error("Async test capability is not supported in your test environment"); +} + +if (Promise !== undefined && this.setTimeout === undefined) { + (function(that) { + that.setTimeout = function(callback, delay) { + var p = Promise.resolve(); + var start = Date.now(); + var end = start + delay; + function check(){ + var timeLeft = end - Date.now(); + if(timeLeft > 0) + p.then(check); + else + callback(); + } + p.then(check); + } + })(this); +} -- cgit v1.2.3