mirror of https://github.com/tc39/test262.git
23 lines
878 B
JavaScript
23 lines
878 B
JavaScript
// Copyright 2009 the Sputnik authors. 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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esid: sec-properties-of-array-instances-length
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info: |
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If the length property is changed, every property whose name
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is an array index whose value is not smaller than the new length is automatically deleted
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es5id: 15.4.5.2_A3_T4
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description: >
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If new length greater than the name of every property whose name
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is an array index
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---*/
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var x = [0, 1, 2];
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x[4294967294] = 4294967294;
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x.length = 2;
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assert.sameValue(x[0], 0, 'The value of x[0] is expected to be 0');
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assert.sameValue(x[1], 1, 'The value of x[1] is expected to be 1');
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assert.sameValue(x[2], undefined, 'The value of x[2] is expected to equal undefined');
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assert.sameValue(x[4294967294], undefined, 'The value of x[4294967294] is expected to equal undefined');
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