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/// Copyright (c) 2012 Ecma International. All rights reserved.
/// Ecma International makes this code available under the terms and conditions set
/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
/// "Use Terms"). Any redistribution of this code must retain the above
/// copyright and this notice and otherwise comply with the Use Terms.
/**
* @path ch15/15.4/15.4.4/15.4.4.14/15.4.4.14-3-19.js
* @description Array.prototype.indexOf - value of 'length' is an Object which has an own toString method.
*/
function testcase() {
// objects inherit the default valueOf() method from Object
// that simply returns itself. Since the default valueOf() method
// does not return a primitive value, ES next tries to convert the object
// to a number by calling its toString() method and converting the
// resulting string to a number.
var obj = {
1: true,
2: 2,
length: {
toString: function () {
return '2';
}
}
};
return Array.prototype.indexOf.call(obj, true) === 1 &&
Array.prototype.indexOf.call(obj, 2) === -1;
}
runTestCase(testcase);
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