module('Methods', {
    setup: function(){
        this.input = $('<input type="text" value="31-03-2011">')
                        .appendTo('#qunit-fixture')
                        .datepicker({format: "dd-mm-yyyy"});
        this.dp = this.input.data('datepicker');
        this.picker = this.dp.picker;
    },
    teardown: function(){
        this.dp.remove();
    }
});

test('remove', function(){
    var returnedObject = this.dp.remove();
    // ...
    strictEqual(returnedObject, this.dp, "is chainable");
});

test('show', function(){
    var returnedObject = this.dp.show();
    // ...
    strictEqual(returnedObject, this.dp, "is chainable");
});

test('hide', function(){
    var returnedObject = this.dp.hide();
    // ...
    strictEqual(returnedObject, this.dp, "is chainable");
});

test('update - String', function(){
    var returnedObject = this.dp.update('13-03-2012');
    datesEqual(this.dp.dates[0], UTCDate(2012, 2, 13));
    var date = this.dp.picker.find('.datepicker-days td:contains(13)');
    ok(date.hasClass('active'), 'Date is selected');
    strictEqual(returnedObject, this.dp, "is chainable");
});

test('update - Date', function(){
    var returnedObject = this.dp.update(new Date(2012, 2, 13));
    datesEqual(this.dp.dates[0], UTCDate(2012, 2, 13));
    var date = this.dp.picker.find('.datepicker-days td:contains(13)');
    ok(date.hasClass('active'), 'Date is selected');
    strictEqual(returnedObject, this.dp, "is chainable");
});

test('update - Date with time', function(){
    var returnedObject = this.dp.update(new Date(2012, 2, 13, 23, 59, 59, 999));
    datesEqual(this.dp.dates[0], UTCDate(2012, 2, 13, 23, 59, 59, 999));
    var date = this.dp.picker.find('.datepicker-days td:contains(13)');
    ok(date.hasClass('active'), 'Date is selected');
    strictEqual(returnedObject, this.dp, "is chainable");
});

test('update - null', function(){
    var returnedObject = this.dp.update(null);
    equal(this.dp.dates[0], undefined);
    var selected = this.dp.picker.find('.datepicker-days td.active');
    equal(selected.length, 0, 'No date is selected');
    strictEqual(returnedObject, this.dp, "is chainable");
});

test('setDate', function(){
    var date_in = new Date(2013, 1, 1),
        expected_date = new Date(Date.UTC(2013, 1, 1)),
        returnedObject;

    notEqual(this.dp.dates[0], date_in);
    returnedObject = this.dp.setDate(date_in);
    strictEqual(returnedObject, this.dp, "is chainable");
    datesEqual(this.dp.dates[0], expected_date);
});

test('setUTCDate', function(){
    var date_in = new Date(Date.UTC(2012, 3, 5)),
        expected_date = date_in,
        returnedObject;

    notEqual(this.dp.dates[0], date_in);
    returnedObject = this.dp.setUTCDate(date_in);
    strictEqual(returnedObject, this.dp, "is chainable");
    datesEqual(this.dp.dates[0], expected_date);
});

test('setStartDate', function(){
    var date_in = new Date(2012, 3, 5),
        expected_date = new Date(Date.UTC(2012, 3, 5)),
        returnedObject = this.dp.setStartDate(date_in);
    // ...
    datesEqual(this.dp.o.startDate, expected_date);
    strictEqual(returnedObject, this.dp, "is chainable");
});

test('setEndDate', function(){
    var date_in = new Date(2012, 3, 5),
        expected_date = new Date(Date.UTC(2012, 3, 5)),
        returnedObject = this.dp.setEndDate(date_in);
    // ...
    datesEqual(this.dp.o.endDate, expected_date);
    strictEqual(returnedObject, this.dp, "is chainable");
});

test('getStartDate', function(){
    var date_in = new Date(2012, 3, 5),
        expected_date = new Date(Date.UTC(2012, 3, 5)),
        returnedObject = this.dp.setStartDate(date_in);
    // ...
    datesEqual(returnedObject.getStartDate(), expected_date);
    strictEqual(returnedObject, this.dp, "is chainable");
});

test('getEndDate', function(){
    var date_in = new Date(2012, 3, 5),
        expected_date = new Date(Date.UTC(2012, 3, 5)),
        returnedObject = this.dp.setEndDate(date_in);
    // ...
    datesEqual(returnedObject.getEndDate(), expected_date);
    strictEqual(returnedObject, this.dp, "is chainable");
});

test('setDaysOfWeekDisabled - String', function(){
    var days_in = "0,6",
        expected_days = [0,6],
        returnedObject = this.dp.setDaysOfWeekDisabled(days_in);
    // ...
    deepEqual(this.dp.o.daysOfWeekDisabled, expected_days);
    strictEqual(returnedObject, this.dp, "is chainable");
});

test('setDaysOfWeekDisabled - Array', function(){
    var days_in = [0,6],
        expected_days = days_in,
        returnedObject = this.dp.setDaysOfWeekDisabled(days_in);
    // ...
    deepEqual(this.dp.o.daysOfWeekDisabled, expected_days);
    strictEqual(returnedObject, this.dp, "is chainable");
});

test('setDatesDisabled', function(){
    var monthShown = this.picker.find('.datepicker-days thead th.datepicker-switch');
    var returnedObject = this.dp.setDatesDisabled(['01-03-2011']);
    ok(this.picker.find('.datepicker-days tbody td.day:not(.old):first').hasClass('disabled'), 'day is disabled');
    this.dp.setDatesDisabled(['01-01-2011']);
    equal(monthShown.text(), 'March 2011', 'should not change viewDate');
    strictEqual(returnedObject, this.dp, "is chainable");
});

test('setValue', function(){
    var returnedObject = this.dp.setValue();
    // ...
    strictEqual(returnedObject, this.dp, "is chainable");
});

test('place', function(){
    var returnedObject = this.dp.place();
    // ...
    strictEqual(returnedObject, this.dp, "is chainable");
});

test('moveMonth - can handle invalid date', function(){
    // any input which results in an invalid date, f.e. an incorrectly formatted.
    var invalidDate = new Date("invalid"),
        returnedObject = this.dp.moveMonth(invalidDate, 1);
    // ...
    equal(this.input.val(), "31-03-2011", "date is reset");
});

test('parseDate - outputs correct value', function(){
    var parsedDate = $.fn.datepicker.DPGlobal.parseDate('11/13/2015', $.fn.datepicker.DPGlobal.parseFormat('mm/dd/yyyy'), 'en');
    equal(parsedDate.getUTCDate(), "13", "date is correct");
    equal(parsedDate.getUTCMonth(), "10", "month is correct");
    equal(parsedDate.getUTCFullYear(), "2015", "fullyear is correct");
});

test('parseDate - outputs correct value for yyyy\u5E74mm\u6708dd\u65E5 format', function(){
    var parsedDate = $.fn.datepicker.DPGlobal.parseDate('2015\u5E7411\u670813', $.fn.datepicker.DPGlobal.parseFormat('yyyy\u5E74mm\u6708dd\u65E5'), 'ja');
    equal(parsedDate.getUTCDate(), "13", "date is correct");
    equal(parsedDate.getUTCMonth(), "10", "month is correct");
    equal(parsedDate.getUTCFullYear(), "2015", "fullyear is correct");
});

test('parseDate - outputs correct value for dates containing unicodes', function(){
    var parsedDate = $.fn.datepicker.DPGlobal.parseDate('\u5341\u4E00\u6708 13 2015', $.fn.datepicker.DPGlobal.parseFormat('MM dd yyyy'), 'zh-CN');
    equal(parsedDate.getUTCDate(), "13", "date is correct");
    equal(parsedDate.getUTCMonth(), "10", "month is correct");
    equal(parsedDate.getUTCFullYear(), "2015", "fullyear is correct");
});