test262/test/built-ins/Object/defineProperty/15.2.3.6-4-1.js

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// Copyright (c) 2012 Ecma International. All rights reserved.
2015-07-17 17:42:45 +02:00
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: >
Step 4 of defineProperty calls the [[DefineOwnProperty]] internal method
of O passing 'true' for the Throw flag. In this case, step 3 of
[[DefineOwnProperty]] requires that it throw a TypeError exception when
current is undefined and extensible is false. The value of desc does not
matter.
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es5id: 15.2.3.6-4-1
description: >
Object.defineProperty throws TypeError when adding properties to
non-extensible objects(8.12.9 step 3)
includes: [runTestCase.js]
---*/
function testcase() {
var o = {};
Object.preventExtensions(o);
try {
var desc = { value: 1 };
Object.defineProperty(o, "foo", desc);
}
catch (e) {
if (e instanceof TypeError &&
(o.hasOwnProperty("foo") === false)) {
return true;
}
}
}
runTestCase(testcase);