LayoutTests/ietestcenter/Javascript/TestCases/15.4.4.15-3-29.js

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ES5Harness.registerTest( {

    id: "15.4.4.15-3-29",

    path: "TestCases/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-3-29.js",

    description: "Array.prototype.lastIndexOf when value of 'length' is boundary value (2^32 + 1)",

    test: function testcase() {

        var targetObj = {};
        var obj = {
            0: targetObj,
            1: 4294967297,
            length: 4294967297
        };

        return Array.prototype.lastIndexOf.call(obj, targetObj) === 0 &&
            Array.prototype.lastIndexOf.call(obj, 4294967297) === -1;
    },

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

});