test262/test/built-ins/Object/defineProperties/15.2.3.7-6-a-159.js

37 lines
1.1 KiB
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-159
description: >
Object.defineProperties - 'O' is an Array, 'P' is the length
property of 'O', the [[Value]] field of 'desc' equals to value of
the length property, test TypeError wouldn't be thrown when the
length property is not writable (15.4.5.1 step 3.f.i)
includes: [runTestCase.js]
---*/
function testcase() {
var arr = [];
Object.defineProperty(arr, "length", {
writable: false
});
try {
Object.defineProperties(arr, {
length: {
value: 0
}
});
return true && arr.length === 0;
} catch (e) {
return false;
}
}
runTestCase(testcase);