mirror of https://github.com/tc39/test262.git
18 lines
549 B
JavaScript
18 lines
549 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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info: >
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This test is actually testing the [[Delete]] internal method (8.12.8). Since the
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language provides no way to directly exercise [[Delete]], the tests are placed here.
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es5id: 11.4.1-4.a-15
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description: delete operator returns true when deleting Array expandos
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---*/
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var a = [1,2,3]
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a.x = 10;
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var d = delete a.x;
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assert.sameValue(d, true, 'd');
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assert.sameValue(a.x, undefined, 'a.x');
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