mirror of https://github.com/tc39/test262.git
25 lines
711 B
JavaScript
25 lines
711 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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esid: sec-delete-operator-runtime-semantics-evaluation
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description: >
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delete operator returns false when deleting the declaration of the environment object
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inside 'with'
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flags: [noStrict]
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---*/
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var o = new Object();
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o.x = 1;
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var d;
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with(o) {
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d = delete o;
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}
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assert.sameValue(d, false, 'd');
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assert.sameValue(typeof o, 'object', 'typeof(o)');
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assert.sameValue(o.x, 1, 'o.x');
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