(function () {

    var data = {
        a: {
            a: ['aa1', 'aa2', 'aa3'],
            b: {
                a: 'aba',
                b: 'abb'
            },
            a3: 'a31, a32, a33',
            a4: 1234
        },
        b: ['b1', 'b2', 'b3'],
        c: 'c1, c2, c3',
        d: 123
    };
    var arr = ['a', 'b', 'c'];
    var obj = {a: 0, b: 1, c: 2};

    module('qs.js', undefined);

    test('qs.call', function () {
        var _scopeCallback = function (value) {
            return (undefined === value) ? null : value;
        };
        window._testData = {
            callback: function (value) {
                return (undefined === value) ? null : value;
            },
            testContext: {name: 'testContext'},
            contextCheck: function () {
                var args = Array.prototype.slice.call(arguments);
                args.push(this.name);
                return args.join(', ');
            }
        };
        strictEqual(qs.call(_scopeCallback), null, 'scope function callback');
        strictEqual(qs.call(_testData.callback), null, 'global function callback');
        strictEqual(qs.call('_testData.callback'), null, 'global string callback 1');
        strictEqual(qs.call('window._testData.callback'), null, 'global string callback 2');
        strictEqual(qs.call({fn: '_testData.callback', args: ['param']}), 'param', 'global object callback with args');
        strictEqual(
            qs.call({fn: _testData.contextCheck, args: ['param1', 'param2'], context: _testData.testContext}),
            'param1, param2, testContext',
            'global object callback with context'
        );
        deepEqual(
            qs.call([_scopeCallback, {fn: '_testData.callback', args: ['bar']}]),
            [null, 'bar'],
            'list of callbacks'
        );
    });

    module('underscore.extended.js', undefined);
    test('_.getType()', function () {
        strictEqual(_.getType(null), 'null', 'getType(null)');
        strictEqual(_.getType(undefined), 'undefined', 'getType(undefined)');
        strictEqual(_.getType('abc'), 'String', 'getType String 1');
        strictEqual(_.getType(123), 'Number', 'getType Number');
        strictEqual(_.getType([]), 'Array', 'getType Array');
        strictEqual(_.getType({}), 'Object', 'getType Object');
        strictEqual(_.getType(/foo/gim), 'RegExp', 'getType RegExp');
        strictEqual(_.getType(new Date()), 'Date', 'getType Date');
        strictEqual(_.getType('abc', true), 'string', 'getType loweCase = true');
    });

    test('_.obj', function () {
        strictEqual(_.obj.get(data, 'd'), 123, 'get number');
        strictEqual(_.obj.get(data, 'a.b.a'), 'aba', 'get complex name 1');
        strictEqual(_.obj.get(data, 'a.a.1'), 'aa2', 'get complex name 2');
        strictEqual(_.obj.get(data, 'x.not.existing', 'default'), 'default', 'get default value');
        strictEqual(_.obj.get(data, 'x.not.existing'), undefined, 'get not existing key');
    });

    test('_.str', function () {
        strictEqual(_.str.trim('  x  '), 'x', 'trim');
        strictEqual(_.str.trimLeft('  x  '), 'x  ', 'trimLeft');
        strictEqual(_.str.trimRight('  x  '), '  x', 'trimRight');
        strictEqual(_.str.trim('-^$.+8?|()[]{}x-^$.+8?|()[]{}', '-^$.+8?|()[]{}'), 'x', 'trim custom chars');
        strictEqual(_.str.capitalize('oneTwoTHREE'), 'OneTwoTHREE', 'capitalize');
        strictEqual(_.str.camelize('-one_two three.FOUR'), 'OneTwoThree.FOUR', 'camelize');
        strictEqual(_.str.repeat('x', 3, '-'), 'x-x-x', 'repeat');
        strictEqual(_.str.tpl('a: {a}, b: {b}', {a: 'first', b: 'second'}), 'a: first, b: second', 'tpl');
        strictEqual(_.str.plural('word', 0), 'words', 'plural 0');
        strictEqual(_.str.plural('word', 1), 'word', 'plural 1');
        strictEqual(_.str.plural('word', 2), 'words', 'plural 2');
        strictEqual(_.str.plural(['child', 'children'], 1), 'child', 'plural array 1');
        strictEqual(_.str.plural(['child', 'children'], 2), 'children', 'plural array 2');
    });

    test('_.num', function () {
        strictEqual(_.num.format('123'), '123', 'format (defaults)');
        strictEqual(_.num.format(123, 2), '123.00', 'format (decimals)');
        strictEqual(_.num.format(123456.789, 2, ',', ' '), '123 456,79', 'format (custom)');
    });

})();