test262/test/built-ins/Object/defineProperties/15.2.3.7-6-a-183.js

33 lines
1.0 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-183
description: >
Object.defineProperties - TypeError is not thrown if 'O' is an
Array, 'P' is an array index named property, [[Writable]]
attribute of the length property in 'O' is false, value of 'P' is
less than value of the length property in'O' (15.4.5.1 step 4.b)
includes: [runTestCase.js]
---*/
function testcase() {
var arr = [1, 2, 3];
Object.defineProperty(arr, "length", {
writable: false
});
Object.defineProperties(arr, {
"1": {
value: "abc"
}
});
return arr[0] === 1 && arr[1] === "abc" && arr[2] === 3;
}
runTestCase(testcase);