test262/test/built-ins/Object/defineProperties/15.2.3.7-6-a-117.js

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1011 B
JavaScript

// 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.
/*---
es5id: 15.2.3.7-6-a-117
description: >
Object.defineProperties - 'O' is an Array, 'P' is the length
property of 'O', the [[Value]] field of 'desc' is absent, test
TypeError is thrown when updating the [[Enumerable]] attribute of
the length property from false to true (15.4.5.1 step 3.a.i)
includes: [runTestCase.js]
---*/
function testcase() {
var arr = [];
try {
Object.defineProperties(arr, {
length: { enumerable: true }
});
return false;
} catch (e) {
return (e instanceof TypeError);
}
}
runTestCase(testcase);