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25 lines
743 B
JavaScript
25 lines
743 B
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-156
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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', test the [[Value]] field of 'desc' which equals
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to value of the length property is defined into 'O' without
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deleting any property with large index named (15.4.5.1 step 3.f)
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---*/
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var arr = [0, , 2];
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Object.defineProperties(arr, {
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length: {
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value: 3
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}
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});
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assert.sameValue(arr.length, 3, 'arr.length');
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assert.sameValue(arr[0], 0, 'arr[0]');
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assert.sameValue(arr.hasOwnProperty("1"), false, 'arr.hasOwnProperty("1")');
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assert.sameValue(arr[2], 2, 'arr[2]');
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