test262/test/built-ins/Object/defineProperty/15.2.3.6-4-2.js

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JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: >
Step 4 of defineProperty calls the [[DefineOwnProperty]] internal method
of O to define the property. For newly defined data properties, attributes
missing from desc should have values set to the defaults from 8.6.1.
es5id: 15.2.3.6-4-2
description: >
Object.defineProperty sets missing attributes to their default
values (data properties)(8.12.9 step 4.a.i)
includes: [runTestCase.js]
---*/
function testcase() {
var o = {};
var desc = { value: 1 };
Object.defineProperty(o, "foo", desc);
var propDesc = Object.getOwnPropertyDescriptor(o, "foo");
if (propDesc.value === 1 && // this is the value that was set
propDesc.writable === false && // false by default
propDesc.enumerable === false && // false by default
propDesc.configurable === false) { // false by default
return true;
}
}
runTestCase(testcase);