mirror of https://github.com/tc39/test262.git
46 lines
988 B
JavaScript
46 lines
988 B
JavaScript
// Copyright (C) 2017 Ecma International. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: |
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Compare the contents of two arrays
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defines: [compareArray]
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---*/
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// @ts-check
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function isSameValue(a, b) {
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if (a === 0 && b === 0) return 1 / a === 1 / b;
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if (a !== a && b !== b) return true;
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return a === b;
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}
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/**
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* @template T
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* @param {T[]} a
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* @param {T[]} b
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*/
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function compareArray(a, b) {
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if (b.length !== a.length) {
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return false;
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}
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for (var i = 0; i < a.length; i++) {
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if (!isSameValue(b[i], a[i])) {
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return false;
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}
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}
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return true;
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}
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/**
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* @template T
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* @param {T[]} actual
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* @param {T[]} expected
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* @param {string} [message]
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*/
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assert.compareArray = function(actual, expected, message) {
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assert(compareArray(actual, expected),
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'Expected ' + assert._formatValue(actual) + ' and ' + assert._formatValue(expected) + ' to have the same contents. ' + message);
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};
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