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29 lines
809 B
JavaScript
29 lines
809 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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The abtract operation ToPropertyDescriptor is used to package the
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into a property desc. Step 10 of ToPropertyDescriptor throws a TypeError
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if the property desc ends up having a mix of accessor and data property elements.
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es5id: 15.2.3.6-3-2
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description: >
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Object.defineProperty throws TypeError if desc has 'get' and
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'writable' present(8.10.5 step 9.a)
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---*/
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var o = {};
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// dummy getter
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var getter = function() {
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return 1;
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}
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var desc = {
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get: getter,
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writable: false
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};
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assert.throws(TypeError, function() {
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Object.defineProperty(o, "foo", desc);
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});
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assert.sameValue(o.hasOwnProperty("foo"), false, 'o.hasOwnProperty("foo")');
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