JSTests/test262/test/built-ins/Array/prototype/some/15.4.4.17-3-21.js

// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-array.prototype.some
es5id: 15.4.4.17-3-21
description: >
    Array.prototype.some - 'length' is an object that has an own
    valueOf method that returns an object and toString method that
    returns a string
---*/

        function callbackfn1(val, idx, obj) {
            return val > 10;
        }

        function callbackfn2(val, idx, obj) {
            return val > 11;
        }

        var toStringAccessed = false;
        var valueOfAccessed = false;

        var obj = {
            0: 9,
            1: 11,
            2: 12,
            length: {
                valueOf: function () {
                    valueOfAccessed = true;
                    return {};
                },
                toString: function () {
                    toStringAccessed = true;
                    return '2';
                }
            }
        };

assert(Array.prototype.some.call(obj, callbackfn1), 'Array.prototype.some.call(obj, callbackfn1) !== true');
assert.sameValue(Array.prototype.some.call(obj, callbackfn2), false, 'Array.prototype.some.call(obj, callbackfn2)');
assert(valueOfAccessed, 'valueOfAccessed !== true');
assert(toStringAccessed, 'toStringAccessed !== true');