test262/test/built-ins/Object/defineProperties/15.2.3.7-6-a-145.js

40 lines
1.3 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-145
description: >
Object.defineProperties - 'O' is an Array, 'name' is the length
property of 'O', test the [[Value]] field of 'desc' is an Object
which has an own toString and valueOf method (15.4.5.1 step 3.c)
includes: [runTestCase.js]
---*/
function testcase() {
var arr = [];
var toStringAccessed = false;
var valueOfAccessed = false;
Object.defineProperties(arr, {
length: {
value: {
toString: function () {
toStringAccessed = true;
return '2';
},
valueOf: function () {
valueOfAccessed = true;
return 3;
}
}
}
});
return arr.length === 3 && !toStringAccessed && valueOfAccessed;
}
runTestCase(testcase);