LayoutTests/ietestcenter/Javascript/TestCases/15.4.4.14-3-21.js

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ES5Harness.registerTest({

    id: "15.4.4.14-3-21",

    path: "TestCases/chapter15/15.4/15.4.4/15.4.4.14/15.4.4.14-3-21.js",

    description: "Array.prototype.indexOf when 'length' is an object that has an own valueOf method that returns an object and toString method that returns a string",

    test: function testcase() {

        var toStringAccessed = false;
        var valueOfAccessed = false;

        var obj = {
            1: true,
            length: {
                toString: function () {
                    toStringAccessed = true;
                    return '2';
                },

                valueOf: function () {
                    valueOfAccessed = true;
                    return {};
                }
            }
        };

        return Array.prototype.indexOf.call(obj, true) === 1 && toStringAccessed && valueOfAccessed;
    },

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

});