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1 /// Copyright (c) 2012 Ecma International. All rights reserved. |
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2 /// Ecma International makes this code available under the terms and conditions set |
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3 /// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the |
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4 /// "Use Terms"). Any redistribution of this code must retain the above |
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5 /// copyright and this notice and otherwise comply with the Use Terms. |
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6 /** |
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7 * @path ch11/11.13/11.13.2/11.13.2-54-s.js |
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8 * @description Strict Mode - TypeError is thrown if The LeftHandSide of a Compound Assignment operator(^=) is a reference to a non-existent property of an object whose [[Extensible]] internal property if false |
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9 * @onlyStrict |
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10 */ |
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11 |
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12 |
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13 function testcase() { |
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14 "use strict"; |
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15 var obj = {}; |
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16 Object.preventExtensions(obj); |
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17 |
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18 try { |
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19 obj.len ^= 10; |
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20 return false; |
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21 } catch (e) { |
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22 return e instanceof TypeError; |
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23 } |
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24 } |
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25 runTestCase(testcase); |