mirror of https://github.com/tc39/test262.git
29 lines
962 B
JavaScript
29 lines
962 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: 15.2.3.6-4-168
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description: >
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Object.defineProperty - 'O' is an Array, 'name' is the length
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property of 'O', whose writable attribute is being changed to
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false and the [[Value]] field of 'desc' is less than value of the
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length property and also lesser than an index of the array which
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is set to configurable:false, test that new length is set to a
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value greater than the non-deletable index by 1, writable
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attribute of length is set to false and TypeError exception is
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thrown (15.4.5.1 step 3.i.iii)
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---*/
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var arrObj = [0, 1, 2];
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assert.throws(TypeError, function() {
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Object.defineProperty(arrObj, "1", {
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configurable: false
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});
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Object.defineProperty(arrObj, "length", {
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value: 0,
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writable: false
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});
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});
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assert.sameValue(arrObj.length, 2, 'arrObj.length');
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