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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 * This test is actually testing the [[Delete]] internal method (8.12.8). Since the |
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8 * language provides no way to directly exercise [[Delete]], the tests are placed here. |
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9 * |
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10 * @path ch11/11.4/11.4.1/11.4.1-4.a-6.js |
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11 * @description delete operator returns true when deleting a property inside 'with' |
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12 */ |
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13 |
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14 |
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15 function testcase() { |
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16 var o = new Object(); |
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17 o.x = 1; |
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18 var d; |
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19 with(o) |
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20 { |
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21 d = delete x; |
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22 } |
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23 if (d === true && o.x === undefined) { |
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24 return true; |
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25 } |
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26 } |
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27 runTestCase(testcase); |