/// 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. /** * @path ch15/15.2/15.2.3/15.2.3.7/15.2.3.7-6-a-75.js * @description Object.defineProperties will not throw TypeError if P.configurable is false, P.writalbe is false, P.value is NaN and properties.value is NaN (8.12.9 step 10.a.ii.1) */ function testcase() { var obj = {}; var accessed = false; Object.defineProperty(obj, "foo", { value: NaN, writable: false, configurable: false }); Object.defineProperties(obj, { foo: { value: NaN } }); var verifyEnumerable = false; for (var p in obj) { if (p === "foo") { verifyEnumerable = true; } } obj.prop = "overrideData"; var verifyValue = false; verifyValue = obj.foo !== obj.foo && isNaN(obj.foo); var desc = Object.getOwnPropertyDescriptor(obj, "foo"); var verifyConfigurable = false; delete obj.foo; verifyConfigurable = obj.hasOwnProperty("foo"); return verifyValue && !verifyEnumerable && verifyConfigurable; } runTestCase(testcase);