blob: 01cad2060140a975be09463cbf6fcaa39292a908 [file] [log] [blame]
/// Copyright (c) 2009 Microsoft Corporation
///
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/// the following disclaimer.
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///
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ES5Harness.registerTest({
id: "15.4.4.15-5-24",
path: "TestCases/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-5-24.js",
description: "Array.prototype.lastIndexOf throws TypeError exception when value of 'fromIndex' is an object that both toString and valueOf methods than don't return primitive value",
test: function testcase() {
var toStringAccessed = false;
var valueOfAccessed = false;
var fromIndex = {
toString: function () {
toStringAccessed = true;
return {};
},
valueOf: function () {
valueOfAccessed = true;
return {};
}
};
try {
[0, null].lastIndexOf(null, fromIndex);
return false;
} catch (e) {
return toStringAccessed && valueOfAccessed;
}
},
precondition: function prereq() {
return fnExists(Array.prototype.lastIndexOf);
}
});