mirror of https://github.com/tc39/test262.git
42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
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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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 (!compareArray.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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compareArray.isSameValue = function(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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compareArray.format = function(array) {
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return `[${array.map(String).join(', ')}]`;
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};
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assert.compareArray = function(actual, expected, message = '') {
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assert(actual != null, `First argument shouldn't be nullish. ${message}`);
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assert(expected != null, `Second argument shouldn't be nullish. ${message}`);
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var format = compareArray.format;
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assert(
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compareArray(actual, expected),
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`Expected ${format(actual)} and ${format(expected)} to have the same contents. ${message}`
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);
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};
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