blob: 63f49c24fcfa539f33ab26290c38800dfc0e6af2 [file] [log] [blame]
/// 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
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/// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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ES5Harness.registerTest({
id: "15.4.4.14-9-b-5",
path: "TestCases/chapter15/15.4/15.4.4/15.4.4.14/15.4.4.14-9-b-5.js",
description: "Array.prototype.indexOf - Deleting own property with prototype property causes it to be visited",
test: function testcase() {
var arr = [0, 1, 2];
Object.defineProperty(arr, "0", {
get: function () {
delete arr[1];
return 0;
},
configurable: true
});
try {
Array.prototype[1] = 1;
return 1 === arr.indexOf(1);
} finally {
delete Array.prototype[1];
}
},
precondition: function prereq() {
return fnExists(Array.prototype.indexOf) && fnExists(Object.defineProperty);
}
});