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19 lines
549 B
JavaScript
19 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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es5id: 11.13.2-52-s
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description: >
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Strict Mode - TypeError is thrown if The LeftHandSide of a
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Compound Assignment operator(>>>=) is a reference to a
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non-existent property of an object whose [[Extensible]] internal
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property if false
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flags: [onlyStrict]
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---*/
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var obj = {};
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Object.preventExtensions(obj);
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assert.throws(TypeError, function() {
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obj.len >>>= 10;
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});
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