blob: 9308b429eccdd2574e5da222584a19dbd29ae866 [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
/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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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: "15.4.4.14-5-25",
path: "TestCases/chapter15/15.4/15.4.4/15.4.4.14/15.4.4.14-5-25.js",
description: "Array.prototype.indexOf uses inherited valueOf method when value of 'fromIndex' is an object with an own toString and inherited valueOf methods",
test: function testcase() {
var toStringAccessed = false;
var valueOfAccessed = false;
var proto = {
valueOf: function () {
valueOfAccessed = true;
return 1;
}
};
var Con = function () {};
Con.prototype = proto;
var child = new Con();
child.toString = function () {
toStringAccessed = true;
return 2;
};
return [0, true].indexOf(true, child) === 1 && valueOfAccessed && !toStringAccessed;
},
precondition: function prereq() {
return fnExists(Array.prototype.indexOf);
}
});