js/src/tests/test262/ch11/11.4/11.4.1/11.4.1-4.a-2.js

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TOR_BUG_3246
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1 /// Copyright (c) 2012 Ecma International. All rights reserved.
2 /// Ecma International makes this code available under the terms and conditions set
3 /// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
4 /// "Use Terms"). Any redistribution of this code must retain the above
5 /// copyright and this notice and otherwise comply with the Use Terms.
6 /**
7 * This test is actually testing the [[Delete]] internal method (8.12.8). Since the
8 * language provides no way to directly exercise [[Delete]], the tests are placed here.
9 *
10 * @path ch11/11.4/11.4.1/11.4.1-4.a-2.js
11 * @description delete operator returns true when deleting a configurable accessor property
12 */
13
14
15 function testcase() {
16 var o = {};
17
18 // define an accessor
19 // dummy getter
20 var getter = function () { return 1; }
21 var desc = { get: getter, configurable: true };
22 Object.defineProperty(o, "foo", desc);
23
24 var d = delete o.foo;
25 if (d === true && o.hasOwnProperty("foo") === false) {
26 return true;
27 }
28 }
29 runTestCase(testcase);

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