mirror of https://github.com/tc39/test262.git
37 lines
1.3 KiB
JavaScript
37 lines
1.3 KiB
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
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// Ecma International makes this code available under the terms and conditions set
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// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
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// "Use Terms"). Any redistribution of this code must retain the above
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// copyright and this notice and otherwise comply with the Use Terms.
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/*---
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info: >
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Refer 11.1.4;
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The production
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ElementList : ElementList , Elisionopt AssignmentExpression
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6.Call the [[DefineOwnProperty]] internal method of array with arguments ToString(ToUint32((pad+len)) and the Property Descriptor { [[Value]]: initValue
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, [[Writable]]: true, [[Enumerable]]: true, [[Configurable]]: true}, and false.
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es5id: 11.1.4_5-6-1
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description: >
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Initialize array using ElementList (ElementList , Elisionopt
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AssignmentExpression) when index property (read-only) exists in
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Array.prototype (step 6)
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includes: [runTestCase.js]
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---*/
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function testcase() {
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try {
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Object.defineProperty(Array.prototype, "1", {
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value: 100,
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writable: false,
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configurable: true
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});
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var arr = [101, 12];
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return arr.hasOwnProperty("1") && arr[1] === 12;
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} finally {
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delete Array.prototype[1];
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}
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}
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runTestCase(testcase);
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