mirror of https://github.com/tc39/test262.git
37 lines
1.0 KiB
JavaScript
37 lines
1.0 KiB
JavaScript
// Copyright (c) 2012 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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es5id: 15.2.3.7-6-a-166
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description: >
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Object.defineProperties - 'O' is an Array, 'P' is the length
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property of 'O', the [[Value]] field of 'desc' is less than value
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of the length property, test the [[Configurable]] attribute of
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own data property with large index named in 'O' can stop deleting
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index named properties (15.4.5.1 step 3.l.ii)
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includes: [runTestCase.js]
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---*/
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function testcase() {
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var arr = [0, 1];
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try {
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Object.defineProperty(arr, "1", {
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configurable: false
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});
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Object.defineProperties(arr, {
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length: {
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value: 1
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}
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});
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return false;
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} catch (e) {
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return (e instanceof TypeError) && arr.length === 2 &&
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arr.hasOwnProperty("1") && arr[0] === 0 && arr[1] === 1;
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}
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}
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runTestCase(testcase);
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