/// Copyright (c) 2012 Ecma International. All rights reserved. /// Ecma International makes this code available under the terms and conditions set /// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the /// "Use Terms"). Any redistribution of this code must retain the above /// copyright and this notice and otherwise comply with the Use Terms. /** * This test is actually testing the [[Delete]] internal method (8.12.8). Since the * language provides no way to directly exercise [[Delete]], the tests are placed here. * * @path ch11/11.4/11.4.1/11.4.1-4.a-17.js * @description delete operator returns true on deleting a arguments element */ function testcase() { function foo(a,b) { var d = delete arguments[0]; return (d === true && arguments[0] === undefined); } if(foo(1,2) === true) return true; } runTestCase(testcase);