LayoutTests/ietestcenter/Javascript/TestCases/15.4.4.15-2-18.js

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ES5Harness.registerTest({

    id: "15.4.4.15-2-18",

    path: "TestCases/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-2-18.js",

    description: "Array.prototype.lastIndexOf applied to Arguments object which implements its own property get method",

    test: function testcase() {

        var targetObj = function () { };
        var func = function(a, b) {
            arguments[2] = function () {};
            return Array.prototype.lastIndexOf.call(arguments, targetObj) === 1 &&
                Array.prototype.lastIndexOf.call(arguments, arguments[2]) === -1;
        }

        return func(0, targetObj);
    },

    precondition: function prereq() {
        return fnExists(Array.prototype.lastIndexOf);
    }

});