test262/test/suite/chapter15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-198.js

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JavaScript

/// Copyright (c) 2009 Microsoft Corporation
///
/// Redistribution and use in source and binary forms, with or without modification, are permitted provided
/// that the following conditions are met:
/// * Redistributions of source code must retain the above copyright notice, this list of conditions and
/// the following disclaimer.
/// * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
/// the following disclaimer in the documentation and/or other materials provided with the distribution.
/// * Neither the name of Microsoft nor the names of its contributors may be used to
/// endorse or promote products derived from this software without specific prior written permission.
///
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/// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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/**
* @path chapter15/15.2/15.2.3/15.2.3.6/15.2.3.6-4-198.js
* @description Object.defineProperty - 'O' is an Array, 'name' is an array index named property, 'name' property doesn't exist in 'O', test TypeError is thrown when 'O' is not extensible (15.4.5.1 step 4.c)
*/
function testcase() {
var arrObj = [];
Object.preventExtensions(arrObj);
try {
var desc = { value: 1 };
Object.defineProperty(arrObj, "0", desc);
return false;
} catch (e) {
return e instanceof TypeError && (arrObj.hasOwnProperty("0") === false);
}
}
runTestCase(testcase);