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ES5Harness.registerTest( {

    id: "15.4.4.15-5-25",

    path: "TestCases/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-5-25.js",

    description: "Array.prototype.lastIndexOf use 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 1;
        };

        return [0, true].lastIndexOf(true, child) === 1 && valueOfAccessed && !toStringAccessed;
    },

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

});