test262/test/built-ins/Object/defineProperty/15.2.3.6-4-148.js

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// 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.
/*---
2014-07-25 00:41:42 +02:00
es5id: 15.2.3.6-4-148
description: >
Object.defineProperty - 'O' is an Array, 'name' is the length
property of 'O', test the [[Value]] field of 'desc' is an Object
which has an own valueOf method that returns an object and
toString method that returns a string (15.4.5.1 step 3.c)
includes: [runTestCase.js]
---*/
function testcase() {
var arrObj = [];
var toStringAccessed = false;
var valueOfAccessed = false;
Object.defineProperty(arrObj, "length", {
value: {
toString: function () {
toStringAccessed = true;
return '2';
},
valueOf: function () {
valueOfAccessed = true;
return {};
}
}
});
return arrObj.length === 2 && toStringAccessed && valueOfAccessed;
}
runTestCase(testcase);