var moment = require("../../moment"),

    getVerifier = function (test) {
        return function (input, format, expected, description, asymetrical) {
            var m = moment(input, format);
            test.equal(m.format('YYYY MM DD'), expected, 'compare: ' + description);

            //test round trip
            if (!asymetrical) {
                test.equal(m.format(format), input, 'round trip: ' + description);
            }
        };
    };

exports.create = {
    setUp : function (done) {
        moment.locale('en');
        moment.createFromInputFallback = function () {
            throw new Error("input not handled by moment");
        };
        done();
    },

    "array" : function (test) {
        test.expect(8);
        test.ok(moment([2010]).toDate() instanceof Date, "[2010]");
        test.ok(moment([2010, 1]).toDate() instanceof Date, "[2010, 1]");
        test.ok(moment([2010, 1, 12]).toDate() instanceof Date, "[2010, 1, 12]");
        test.ok(moment([2010, 1, 12, 1]).toDate() instanceof Date, "[2010, 1, 12, 1]");
        test.ok(moment([2010, 1, 12, 1, 1]).toDate() instanceof Date, "[2010, 1, 12, 1, 1]");
        test.ok(moment([2010, 1, 12, 1, 1, 1]).toDate() instanceof Date, "[2010, 1, 12, 1, 1, 1]");
        test.ok(moment([2010, 1, 12, 1, 1, 1, 1]).toDate() instanceof Date, "[2010, 1, 12, 1, 1, 1, 1]");
        test.equal(+moment(new Date(2010, 1, 14, 15, 25, 50, 125)), +moment([2010, 1, 14, 15, 25, 50, 125]), "constructing with array === constructing with new Date()");
        test.done();
    },

    "array copying": function (test) {
        var importantArray = [2009, 11];
        test.expect(1);
        moment(importantArray);
        test.deepEqual(importantArray, [2009, 11], "initializer should not mutate the original array");
        test.done();
    },

    "object" : function (test) {
        test.expect(10);
        test.ok(moment({year: 2010}).toDate() instanceof Date, "{year: 2010}");
        test.ok(moment({year: 2010, month: 1}).toDate() instanceof Date, "{year: 2010, month: 1}");
        test.ok(moment({year: 2010, month: 1, day: 12}).toDate() instanceof Date, "{year: 2010, month: 1, day: 12}");
        test.ok(moment({year: 2010, month: 1, day: 12, hours: 1}).toDate() instanceof Date, "{year: 2010, month: 1, day: 12, hours: 1}");
        test.ok(moment({year: 2010, month: 1, day: 12, hours: 1, minutes: 1}).toDate() instanceof Date, "{year: 2010, month: 1, hours: 12, minutes: 1, seconds: 1}");
        test.ok(moment({year: 2010, month: 1, day: 12, hours: 1, minutes: 1, seconds: 1}).toDate() instanceof Date, "{year: 2010, month: 1, day: 12, hours: 1, minutes: 1, seconds: 1}");
        test.ok(moment({year: 2010, month: 1, day: 12, hours: 1, minutes: 1, seconds: 1, milliseconds: 1}).toDate() instanceof Date, "{year: 2010, month: 1, day: 12, hours: 1, minutes: 1, seconds: 1, milliseconds: 1}");
        test.equal(+moment(new Date(2010, 1, 14, 15, 25, 50, 125)), +moment({years: 2010, months: 1, days: 14, hours: 15, minutes: 25, seconds: 50, milliseconds: 125}), "constructing with object (long plural) === constructing with new Date()");
        test.equal(+moment(new Date(2010, 1, 14, 15, 25, 50, 125)), +moment({year: 2010, month: 1, day: 14, hour: 15, minute: 25, second: 50, millisecond: 125}), "constructing with object (long) === constructing with new Date()");
        test.equal(+moment(new Date(2010, 1, 14, 15, 25, 50, 125)), +moment({y: 2010, M: 1, d: 14, h: 15, m: 25, s: 50, ms: 125}), "constructing with object (short) === constructing with new Date()");
        test.done();
    },

    "multi format array copying": function (test) {
        var importantArray = ['MM/DD/YYYY', 'YYYY-MM-DD', 'MM-DD-YYYY'];
        test.expect(1);
        moment('1999-02-13', importantArray);
        test.deepEqual(importantArray, ['MM/DD/YYYY', 'YYYY-MM-DD', 'MM-DD-YYYY'], "initializer should not mutate the original array");
        test.done();
    },

    "number" : function (test) {
        test.expect(3);
        test.ok(moment(1000).toDate() instanceof Date, "1000");
        test.ok((moment(1000).valueOf() === 1000), "testing valueOf");
        test.ok((moment.utc(1000).valueOf() === 1000), "testing valueOf");
        test.done();
    },

    "unix" : function (test) {
        test.expect(8);
        test.equal(moment.unix(1).valueOf(), 1000, "1 unix timestamp == 1000 Date.valueOf");
        test.equal(moment(1000).unix(), 1, "1000 Date.valueOf == 1 unix timestamp");
        test.equal(moment.unix(1000).valueOf(), 1000000, "1000 unix timestamp == 1000000 Date.valueOf");
        test.equal(moment(1500).unix(), 1, "1500 Date.valueOf == 1 unix timestamp");
        test.equal(moment(1900).unix(), 1, "1900 Date.valueOf == 1 unix timestamp");
        test.equal(moment(2100).unix(), 2, "2100 Date.valueOf == 2 unix timestamp");
        test.equal(moment(1333129333524).unix(), 1333129333, "1333129333524 Date.valueOf == 1333129333 unix timestamp");
        test.equal(moment(1333129333524000).unix(), 1333129333524, "1333129333524000 Date.valueOf == 1333129333524 unix timestamp");
        test.done();
    },

    "date" : function (test) {
        test.expect(1);
        test.ok(moment(new Date()).toDate() instanceof Date, "new Date()");
        test.done();
    },

    "date mutation" : function (test) {
        test.expect(1);
        var a = new Date();
        test.ok(moment(a).toDate() !== a, "the date moment uses should not be the date passed in");
        test.done();
    },

    "moment" : function (test) {
        test.expect(2);
        test.ok(moment(moment()).toDate() instanceof Date, "moment(moment())");
        test.ok(moment(moment(moment())).toDate() instanceof Date, "moment(moment(moment()))");
        test.done();
    },

    "cloning moment should only copy own properties" : function (test) {
        test.ok(!moment().clone().hasOwnProperty('month'), "Should not clone prototype methods");
        test.done();
    },

    "cloning moment works with weird clones" : function (test) {
        var extend = function (a, b) {
                var i;
                for (i in b) {
                    a[i] = b[i];
                }
                return a;
            },
            now = moment(),
            nowu = moment.utc();

        test.expect(2);
        test.equal(+extend({}, now).clone(), +now, "cloning extend-ed now is now");
        test.equal(+extend({}, nowu).clone(), +nowu, "cloning extend-ed utc now is utc now");
        test.done();
    },

    "cloning respects moment.momentProperties" : function (test) {
        var m = moment();

        test.equal(m.clone()._special, undefined, "cloning ignores extra properties");
        m._special = "bacon";
        moment.momentProperties.push("_special");
        test.equal(m.clone()._special, "bacon", "cloning respects momentProperties");
        moment.momentProperties.pop();

        test.done();
    },

    "undefined" : function (test) {
        test.expect(1);
        test.ok(moment().toDate() instanceof Date, "undefined");
        test.done();
    },

    "string without format - json" : function (test) {
        test.expect(5);
        test.equal(moment("Date(1325132654000)").valueOf(), 1325132654000, "Date(1325132654000)");
        test.equal(moment("Date(-1325132654000)").valueOf(), -1325132654000, "Date(-1325132654000)");
        test.equal(moment("/Date(1325132654000)/").valueOf(), 1325132654000, "/Date(1325132654000)/");
        test.equal(moment("/Date(1325132654000+0700)/").valueOf(), 1325132654000, "/Date(1325132654000+0700)/");
        test.equal(moment("/Date(1325132654000-0700)/").valueOf(), 1325132654000, "/Date(1325132654000-0700)/");
        test.done();
    },

    "string with format dropped am/pm bug" : function (test) {
        moment.locale('en');

        test.equal(moment('05/1/2012 12:25:00', 'MM/DD/YYYY h:m:s a').format('MM/DD/YYYY'), '05/01/2012', 'should not break if am/pm is left off from the parsing tokens');
        test.equal(moment('05/1/2012 12:25:00 am', 'MM/DD/YYYY h:m:s a').format('MM/DD/YYYY'), '05/01/2012', 'should not break if am/pm is left off from the parsing tokens');
        test.equal(moment('05/1/2012 12:25:00 pm', 'MM/DD/YYYY h:m:s a').format('MM/DD/YYYY'), '05/01/2012', 'should not break if am/pm is left off from the parsing tokens');

        test.ok(moment('05/1/2012 12:25:00', 'MM/DD/YYYY h:m:s a').isValid());
        test.ok(moment('05/1/2012 12:25:00 am', 'MM/DD/YYYY h:m:s a').isValid());
        test.ok(moment('05/1/2012 12:25:00 pm', 'MM/DD/YYYY h:m:s a').isValid());

        test.done();
    },

    "empty string with formats" : function (test) {
        test.expect(8);

        test.equal(moment('', 'MM').format('YYYY-MM-DD HH:mm:ss'), 'Invalid date');
        test.equal(moment(' ', 'MM').format('YYYY-MM-DD HH:mm:ss'), 'Invalid date');
        test.equal(moment(' ', 'DD').format('YYYY-MM-DD HH:mm:ss'), 'Invalid date');
        test.equal(moment(' ', ['MM', "DD"]).format('YYYY-MM-DD HH:mm:ss'), 'Invalid date');

        test.ok(!moment('', 'MM').isValid());
        test.ok(!moment(' ', 'MM').isValid());
        test.ok(!moment(' ', 'DD').isValid());
        test.ok(!moment(' ', ['MM', "DD"]).isValid());

        test.done();
    },

    "defaulting to current date" : function (test) {
        test.expect(4);

        var now = moment();
        test.equal(moment('12:13:14', 'hh:mm:ss').format('YYYY-MM-DD hh:mm:ss'),
                now.clone().hour(12).minute(13).second(14).format('YYYY-MM-DD hh:mm:ss'),
                'given only time default to current date');
        test.equal(moment('05', 'DD').format('YYYY-MM-DD'),
                now.clone().date(5).format('YYYY-MM-DD'),
                'given day of month default to current month, year');
        test.equal(moment('05', 'MM').format('YYYY-MM-DD'),
                now.clone().month(4).date(1).format('YYYY-MM-DD'),
                'given month default to current year');
        test.equal(moment('1996', 'YYYY').format('YYYY-MM-DD'),
                now.clone().year(1996).month(0).date(1).format('YYYY-MM-DD'),
                'given year do not default');
        test.done();
    },

    "matching am/pm" : function (test) {
        test.expect(13);

        test.equal(moment('2012-09-03T03:00PM',   'YYYY-MM-DDThh:mmA').format('YYYY-MM-DDThh:mmA'), '2012-09-03T03:00PM', 'am/pm should parse correctly for PM');
        test.equal(moment('2012-09-03T03:00P.M.', 'YYYY-MM-DDThh:mmA').format('YYYY-MM-DDThh:mmA'), '2012-09-03T03:00PM', 'am/pm should parse correctly for P.M.');
        test.equal(moment('2012-09-03T03:00P',    'YYYY-MM-DDThh:mmA').format('YYYY-MM-DDThh:mmA'), '2012-09-03T03:00PM', 'am/pm should parse correctly for P');
        test.equal(moment('2012-09-03T03:00pm',   'YYYY-MM-DDThh:mmA').format('YYYY-MM-DDThh:mmA'), '2012-09-03T03:00PM', 'am/pm should parse correctly for pm');
        test.equal(moment('2012-09-03T03:00p.m.', 'YYYY-MM-DDThh:mmA').format('YYYY-MM-DDThh:mmA'), '2012-09-03T03:00PM', 'am/pm should parse correctly for p.m.');
        test.equal(moment('2012-09-03T03:00p',    'YYYY-MM-DDThh:mmA').format('YYYY-MM-DDThh:mmA'), '2012-09-03T03:00PM', 'am/pm should parse correctly for p');

        test.equal(moment('2012-09-03T03:00AM',   'YYYY-MM-DDThh:mmA').format('YYYY-MM-DDThh:mmA'), '2012-09-03T03:00AM', 'am/pm should parse correctly for AM');
        test.equal(moment('2012-09-03T03:00A.M.', 'YYYY-MM-DDThh:mmA').format('YYYY-MM-DDThh:mmA'), '2012-09-03T03:00AM', 'am/pm should parse correctly for A.M.');
        test.equal(moment('2012-09-03T03:00A',    'YYYY-MM-DDThh:mmA').format('YYYY-MM-DDThh:mmA'), '2012-09-03T03:00AM', 'am/pm should parse correctly for A');
        test.equal(moment('2012-09-03T03:00am',   'YYYY-MM-DDThh:mmA').format('YYYY-MM-DDThh:mmA'), '2012-09-03T03:00AM', 'am/pm should parse correctly for am');
        test.equal(moment('2012-09-03T03:00a.m.', 'YYYY-MM-DDThh:mmA').format('YYYY-MM-DDThh:mmA'), '2012-09-03T03:00AM', 'am/pm should parse correctly for a.m.');
        test.equal(moment('2012-09-03T03:00a',    'YYYY-MM-DDThh:mmA').format('YYYY-MM-DDThh:mmA'), '2012-09-03T03:00AM', 'am/pm should parse correctly for a');

        test.equal(moment('5:00p.m.March 4 2012', 'h:mmAMMMM D YYYY').format('YYYY-MM-DDThh:mmA'), '2012-03-04T05:00PM', 'am/pm should parse correctly before month names');

        test.done();
    },

    "string with format" : function (test) {
        moment.locale('en');
        var a = [
                ['YYYY-Q',              '2014-4'],
                ['MM-DD-YYYY',          '12-02-1999'],
                ['DD-MM-YYYY',          '12-02-1999'],
                ['DD/MM/YYYY',          '12/02/1999'],
                ['DD_MM_YYYY',          '12_02_1999'],
                ['DD:MM:YYYY',          '12:02:1999'],
                ['D-M-YY',              '2-2-99'],
                ['YY',                  '99'],
                ['DDD-YYYY',            '300-1999'],
                ['DD-MM-YYYY h:m:s',    '12-02-1999 2:45:10'],
                ['DD-MM-YYYY h:m:s a',  '12-02-1999 2:45:10 am'],
                ['DD-MM-YYYY h:m:s a',  '12-02-1999 2:45:10 pm'],
                ['h:mm a',              '12:00 pm'],
                ['h:mm a',              '12:30 pm'],
                ['h:mm a',              '12:00 am'],
                ['h:mm a',              '12:30 am'],
                ['HH:mm',               '12:00'],
                ['YYYY-MM-DDTHH:mm:ss', '2011-11-11T11:11:11'],
                ['MM-DD-YYYY [M]',      '12-02-1999 M'],
                ['ddd MMM DD HH:mm:ss YYYY', 'Tue Apr 07 22:52:51 2009'],
                ['HH:mm:ss',            '12:00:00'],
                ['HH:mm:ss',            '12:30:00'],
                ['HH:mm:ss',            '00:00:00'],
                ['HH:mm:ss S',          '00:30:00 1'],
                ['HH:mm:ss SS',         '00:30:00 12'],
                ['HH:mm:ss SSS',        '00:30:00 123'],
                ['HH:mm:ss S',          '00:30:00 7'],
                ['HH:mm:ss SS',         '00:30:00 78'],
                ['HH:mm:ss SSS',        '00:30:00 789'],
                ['X',                   '1234567890'],
                ['LT',                  '12:30 AM'],
                ['L',                   '09/02/1999'],
                ['l',                   '9/2/1999'],
                ['LL',                  'September 2, 1999'],
                ['ll',                  'Sep 2, 1999'],
                ['LLL',                 'September 2, 1999 12:30 AM'],
                ['lll',                 'Sep 2, 1999 12:30 AM'],
                ['LLLL',                'Thursday, September 2, 1999 12:30 AM'],
                ['llll',                'Thu, Sep 2, 1999 12:30 AM']
            ],
            m,
            i;

        test.expect(2 * a.length);
        for (i = 0; i < a.length; i++) {
            m = moment(a[i][1], a[i][0]);
            test.ok(m.isValid());
            test.equal(m.format(a[i][0]), a[i][1], a[i][0] + ' ---> ' + a[i][1]);
        }
        test.done();
    },

    "unix timestamp format" : function (test) {
        var formats = ['X', 'X.S', 'X.SS', 'X.SSS'], i, format;

        test.expect(formats.length * 4);
        for (i = 0; i < formats.length; i++) {
            format = formats[i];
            test.equal(moment('1234567890',     format).valueOf(), 1234567890 * 1000,       format + " matches timestamp without milliseconds");
            test.equal(moment('1234567890.1',   format).valueOf(), 1234567890 * 1000 + 100, format + " matches timestamp with deciseconds");
            test.equal(moment('1234567890.12',  format).valueOf(), 1234567890 * 1000 + 120, format + " matches timestamp with centiseconds");
            test.equal(moment('1234567890.123', format).valueOf(), 1234567890 * 1000 + 123, format + " matches timestamp with milliseconds");
        }

        test.done();
    },

    "milliseconds format" : function (test) {
        test.expect(5);
        test.equal(moment('1', 'S').get('ms'), 100, 'deciseconds');
        // test.equal(moment('10', 'S', true).isValid(), false, 'deciseconds with two digits');
        // test.equal(moment('1', 'SS', true).isValid(), false, 'centiseconds with one digits');
        test.equal(moment('12', 'SS').get('ms'), 120, 'centiseconds');
        // test.equal(moment('123', 'SS', true).isValid(), false, 'centiseconds with three digits');
        test.equal(moment('123', 'SSS').get('ms'), 123, 'milliseconds');
        test.equal(moment('1234', 'SSSS').get('ms'), 123, 'milliseconds with SSSS');
        test.equal(moment('123456789101112', 'SSSS').get('ms'), 123, 'milliseconds with SSSS');
        test.done();
    },

    "string with format no separators" : function (test) {
        moment.locale('en');
        var a = [
                ['MMDDYYYY',          '12021999'],
                ['DDMMYYYY',          '12021999'],
                ['YYYYMMDD',          '19991202'],
                ['DDMMMYYYY',         '10Sep2001']
            ], i;

        test.expect(a.length);

        for (i = 0; i < a.length; i++) {
            test.equal(moment(a[i][1], a[i][0]).format(a[i][0]), a[i][1], a[i][0] + ' ---> ' + a[i][1]);
        }

        test.done();
    },

    "string with format (timezone)" : function (test) {
        test.expect(8);
        test.equal(moment('5 -0700', 'H ZZ').toDate().getUTCHours(), 12, 'parse hours "5 -0700" ---> "H ZZ"');
        test.equal(moment('5 -07:00', 'H Z').toDate().getUTCHours(), 12, 'parse hours "5 -07:00" ---> "H Z"');
        test.equal(moment('5 -0730', 'H ZZ').toDate().getUTCMinutes(), 30, 'parse hours "5 -0730" ---> "H ZZ"');
        test.equal(moment('5 -07:30', 'H Z').toDate().getUTCMinutes(), 30, 'parse hours "5 -07:0" ---> "H Z"');
        test.equal(moment('5 +0100', 'H ZZ').toDate().getUTCHours(), 4, 'parse hours "5 +0100" ---> "H ZZ"');
        test.equal(moment('5 +01:00', 'H Z').toDate().getUTCHours(), 4, 'parse hours "5 +01:00" ---> "H Z"');
        test.equal(moment('5 +0130', 'H ZZ').toDate().getUTCMinutes(), 30, 'parse hours "5 +0130" ---> "H ZZ"');
        test.equal(moment('5 +01:30', 'H Z').toDate().getUTCMinutes(), 30, 'parse hours "5 +01:30" ---> "H Z"');
        test.done();
    },

    "string with format (timezone offset)" : function (test) {
        var a, b, c, d, e, f;
        test.expect(4);
        a = new Date(Date.UTC(2011, 0, 1, 1));
        b = moment('2011 1 1 0 -01:00', 'YYYY MM DD HH Z');
        test.equal(a.getHours(), b.hours(), 'date created with utc == parsed string with timezone offset');
        test.equal(+a, +b, 'date created with utc == parsed string with timezone offset');
        c = moment('2011 2 1 10 -05:00', 'YYYY MM DD HH Z');
        d = moment('2011 2 1 8 -07:00', 'YYYY MM DD HH Z');
        test.equal(c.hours(), d.hours(), '10 am central time == 8 am pacific time');
        e = moment.utc('Fri, 20 Jul 2012 17:15:00', 'ddd, DD MMM YYYY HH:mm:ss');
        f = moment.utc('Fri, 20 Jul 2012 10:15:00 -0700', 'ddd, DD MMM YYYY HH:mm:ss ZZ');
        test.equal(e.hours(), f.hours(), 'parse timezone offset in utc');
        test.done();
    },

    "string with timezone around start of year" : function (test) {
        test.equal(moment('2000-01-01T00:00:00.000+01:00').toISOString(), "1999-12-31T23:00:00.000Z", "+1:00 around 2000");
        test.equal(moment('2000-01-01T00:00:00.000-01:00').toISOString(), "2000-01-01T01:00:00.000Z", "-1:00 around 2000");
        test.equal(moment('1970-01-01T00:00:00.000+01:00').toISOString(), "1969-12-31T23:00:00.000Z", "+1:00 around 1970");
        test.equal(moment('1970-01-01T00:00:00.000-01:00').toISOString(), "1970-01-01T01:00:00.000Z", "-1:00 around 1970");
        test.equal(moment('1200-01-01T00:00:00.000+01:00').toISOString(), "1199-12-31T23:00:00.000Z", "+1:00 around 1200");
        test.equal(moment('1200-01-01T00:00:00.000-01:00').toISOString(), "1200-01-01T01:00:00.000Z", "-1:00 around 1200");
        test.done();
    },

    "string with array of formats" : function (test) {
        test.equal(moment('11-02-1999', ['MM-DD-YYYY', 'DD-MM-YYYY']).format('MM DD YYYY'), '11 02 1999', 'switching month and day');
        test.equal(moment('02-11-1999', ['MM/DD/YYYY', 'YYYY MM DD', 'MM-DD-YYYY']).format('MM DD YYYY'), '02 11 1999', 'year last');
        test.equal(moment('1999-02-11', ['MM/DD/YYYY', 'YYYY MM DD', 'MM-DD-YYYY']).format('MM DD YYYY'), '02 11 1999', 'year first');

        test.equal(moment('02-11-1999', ['MM/DD/YYYY', 'YYYY MM DD']).format('MM DD YYYY'), '02 11 1999', 'year last');
        test.equal(moment('1999-02-11', ['MM/DD/YYYY', 'YYYY MM DD']).format('MM DD YYYY'), '02 11 1999', 'year first');
        test.equal(moment('02-11-1999', ['YYYY MM DD', 'MM/DD/YYYY']).format('MM DD YYYY'), '02 11 1999', 'year last');
        test.equal(moment('1999-02-11', ['YYYY MM DD', 'MM/DD/YYYY']).format('MM DD YYYY'), '02 11 1999', 'year first');

        test.equal(moment('13-11-1999', ['MM/DD/YYYY', 'DD/MM/YYYY']).format('MM DD YYYY'), '11 13 1999', 'second must be month');
        test.equal(moment('11-13-1999', ['MM/DD/YYYY', 'DD/MM/YYYY']).format('MM DD YYYY'), '11 13 1999', 'first must be month');
        test.equal(moment('01-02-2000', ['MM/DD/YYYY', 'DD/MM/YYYY']).format('MM DD YYYY'), '01 02 2000', 'either can be a month, month first format');
        test.equal(moment('02-01-2000', ['DD/MM/YYYY', 'MM/DD/YYYY']).format('MM DD YYYY'), '01 02 2000', 'either can be a month, day first format');

        test.equal(moment('11-02-10', ['MM/DD/YY', 'YY MM DD', 'DD-MM-YY']).format('MM DD YYYY'), '02 11 2010', 'all unparsed substrings have influence on format penalty');
        test.equal(moment('11-02-10', ['MM-DD-YY HH:mm', 'YY MM DD']).format('MM DD YYYY'), '02 10 2011', 'prefer formats without extra tokens');
        test.equal(moment('11-02-10 junk', ['MM-DD-YY', 'YY.MM.DD junk']).format('MM DD YYYY'), '02 10 2011', 'prefer formats that dont result in extra characters');
        test.equal(moment('11-22-10', ['YY-MM-DD', 'YY-DD-MM']).format('MM DD YYYY'), '10 22 2011', 'prefer valid results');

        test.equal(moment('gibberish', ['YY-MM-DD', 'YY-DD-MM']).format('MM DD YYYY'), 'Invalid date', 'doest throw for invalid strings');
        test.equal(moment('gibberish', []).format('MM DD YYYY'), 'Invalid date', 'doest throw for an empty array');

        //https://github.com/moment/moment/issues/1143
        test.equal(moment(
          "System Administrator and Database Assistant (7/1/2011), System Administrator and Database Assistant (7/1/2011), Database Coordinator (7/1/2011), Vice President (7/1/2011), System Administrator and Database Assistant (5/31/2012), Database Coordinator (7/1/2012), System Administrator and Database Assistant (7/1/2013)",
          ["MM/DD/YYYY", "MM-DD-YYYY", "YYYY-MM-DD", "YYYY-MM-DDTHH:mm:ssZ"])
          .format('YYYY-MM-DD'), '2011-07-01', 'Works for long strings');

        test.equal(moment('11-02-10', ['MM.DD.YY', 'DD-MM-YY']).format('MM DD YYYY'), '02 11 2010', 'escape RegExp special characters on comparing');

        test.equal(moment('13-10-98', ['DD MM YY', 'DD MM YYYY'])._f, 'DD MM YY', 'use two digit year');
        test.equal(moment('13-10-1998', ['DD MM YY', 'DD MM YYYY'])._f, 'DD MM YYYY', 'use four digit year');

        test.equal(moment('01', ["MM", "DD"])._f, "MM", "Should use first valid format");

        test.done();
    },

    "string with array of formats + ISO": function (test) {
        test.equal(moment('1994', [moment.ISO_8601, 'MM', 'HH:mm', 'YYYY']).year(), 1994, 'iso: test parse YYYY');
        test.equal(moment('17:15', [moment.ISO_8601, 'MM', 'HH:mm', 'YYYY']).hour(), 17, 'iso: test parse HH:mm (1)');
        test.equal(moment('17:15', [moment.ISO_8601, 'MM', 'HH:mm', 'YYYY']).minutes(), 15, 'iso: test parse HH:mm (2)');
        test.equal(moment('06', [moment.ISO_8601, 'MM', 'HH:mm', 'YYYY']).month(), 6 - 1, 'iso: test parse MM');
        test.equal(moment('2012-06-01', [moment.ISO_8601, 'MM', 'HH:mm', 'YYYY']).parsingFlags().iso, true, 'iso: test parse iso');
        test.equal(moment('2014-05-05', [moment.ISO_8601, 'YYYY-MM-DD']).parsingFlags().iso, true, 'iso: edge case array precedence iso');
        test.equal(moment('2014-05-05', ['YYYY-MM-DD', moment.ISO_8601]).parsingFlags().iso, false, 'iso: edge case array precedence not iso');
        test.done();
    },

    "string with format - years" : function (test) {
        test.expect(4);
        test.equal(moment('67', 'YY').format('YYYY'), '2067', '67 > 2067');
        test.equal(moment('68', 'YY').format('YYYY'), '2068', '68 > 2068');
        test.equal(moment('69', 'YY').format('YYYY'), '1969', '69 > 1969');
        test.equal(moment('70', 'YY').format('YYYY'), '1970', '70 > 1970');
        test.done();
    },

    "implicit cloning" : function (test) {
        test.expect(2);
        var momentA = moment([2011, 10, 10]),
            momentB = moment(momentA);
        momentA.month(5);
        test.equal(momentB.month(), 10, "Calling moment() on a moment will create a clone");
        test.equal(momentA.month(), 5, "Calling moment() on a moment will create a clone");
        test.done();
    },

    "explicit cloning" : function (test) {
        test.expect(2);
        var momentA = moment([2011, 10, 10]),
            momentB = momentA.clone();
        momentA.month(5);
        test.equal(momentB.month(), 10, "Calling moment() on a moment will create a clone");
        test.equal(momentA.month(), 5, "Calling moment() on a moment will create a clone");
        test.done();
    },

    "cloning carrying over utc mode" : function (test) {
        test.expect(8);

        test.equal(moment().local().clone()._isUTC, false, "An explicit cloned local moment should have _isUTC == false");
        test.equal(moment().utc().clone()._isUTC, true, "An cloned utc moment should have _isUTC == true");
        test.equal(moment().clone()._isUTC, false, "An explicit cloned local moment should have _isUTC == false");
        test.equal(moment.utc().clone()._isUTC, true, "An explicit cloned utc moment should have _isUTC == true");
        test.equal(moment(moment().local())._isUTC, false, "An implicit cloned local moment should have _isUTC == false");
        test.equal(moment(moment().utc())._isUTC, true, "An implicit cloned utc moment should have _isUTC == true");
        test.equal(moment(moment())._isUTC, false, "An implicit cloned local moment should have _isUTC == false");
        test.equal(moment(moment.utc())._isUTC, true, "An implicit cloned utc moment should have _isUTC == true");

        test.done();
    },

    "parsing iso" : function (test) {
        var offset = moment([2011, 9, 8]).zone(),
            pad = function (input) {
                if (input < 10) {
                    return '0' + input;
                }
                return '' + input;
            },
            hourOffset = (offset > 0) ? Math.floor(offset / 60) : Math.ceil(offset / 60),
            minOffset = offset - (hourOffset * 60),
            tz = (offset > 0) ? '-' + pad(hourOffset) + ':' + pad(minOffset) : '+' + pad(-hourOffset) + ':' + pad(-minOffset),
            tz2 = tz.replace(':', ''),
            tz3 = tz2.slice(0, 3),
            formats = [
                ['2011-10-08',                    '2011-10-08T00:00:00.000' + tz],
                ['2011-10-08T18',                 '2011-10-08T18:00:00.000' + tz],
                ['2011-10-08T18:04',              '2011-10-08T18:04:00.000' + tz],
                ['2011-10-08T18:04:20',           '2011-10-08T18:04:20.000' + tz],
                ['2011-10-08T18:04' + tz,         '2011-10-08T18:04:00.000' + tz],
                ['2011-10-08T18:04:20' + tz,      '2011-10-08T18:04:20.000' + tz],
                ['2011-10-08T18:04' + tz2,        '2011-10-08T18:04:00.000' + tz],
                ['2011-10-08T18:04:20' + tz2,     '2011-10-08T18:04:20.000' + tz],
                ['2011-10-08T18:04' + tz3,        '2011-10-08T18:04:00.000' + tz],
                ['2011-10-08T18:04:20' + tz3,     '2011-10-08T18:04:20.000' + tz],
                ['2011-10-08T18:04:20.1' + tz2,   '2011-10-08T18:04:20.100' + tz],
                ['2011-10-08T18:04:20.11' + tz2,  '2011-10-08T18:04:20.110' + tz],
                ['2011-10-08T18:04:20.111' + tz2, '2011-10-08T18:04:20.111' + tz],
                ['2011-10-08 18',                 '2011-10-08T18:00:00.000' + tz],
                ['2011-10-08 18:04',              '2011-10-08T18:04:00.000' + tz],
                ['2011-10-08 18:04:20',           '2011-10-08T18:04:20.000' + tz],
                ['2011-10-08 18:04' + tz,         '2011-10-08T18:04:00.000' + tz],
                ['2011-10-08 18:04:20' + tz,      '2011-10-08T18:04:20.000' + tz],
                ['2011-10-08 18:04' + tz2,        '2011-10-08T18:04:00.000' + tz],
                ['2011-10-08 18:04:20' + tz2,     '2011-10-08T18:04:20.000' + tz],
                ['2011-10-08 18:04' + tz3,        '2011-10-08T18:04:00.000' + tz],
                ['2011-10-08 18:04:20' + tz3,     '2011-10-08T18:04:20.000' + tz],
                ['2011-10-08 18:04:20.1' + tz2,   '2011-10-08T18:04:20.100' + tz],
                ['2011-10-08 18:04:20.11' + tz2,  '2011-10-08T18:04:20.110' + tz],
                ['2011-10-08 18:04:20.111' + tz2, '2011-10-08T18:04:20.111' + tz],
                ['2011-W40',                      '2011-10-03T00:00:00.000' + tz],
                ['2011-W40-6',                    '2011-10-08T00:00:00.000' + tz],
                ['2011-W40-6T18',                 '2011-10-08T18:00:00.000' + tz],
                ['2011-W40-6T18:04',              '2011-10-08T18:04:00.000' + tz],
                ['2011-W40-6T18:04:20',           '2011-10-08T18:04:20.000' + tz],
                ['2011-W40-6T18:04' + tz,         '2011-10-08T18:04:00.000' + tz],
                ['2011-W40-6T18:04:20' + tz,      '2011-10-08T18:04:20.000' + tz],
                ['2011-W40-6T18:04' + tz2,        '2011-10-08T18:04:00.000' + tz],
                ['2011-W40-6T18:04:20' + tz2,     '2011-10-08T18:04:20.000' + tz],
                ['2011-W40-6T18:04' + tz3,        '2011-10-08T18:04:00.000' + tz],
                ['2011-W40-6T18:04:20' + tz3,     '2011-10-08T18:04:20.000' + tz],
                ['2011-W40-6T18:04:20.1' + tz2,   '2011-10-08T18:04:20.100' + tz],
                ['2011-W40-6T18:04:20.11' + tz2,  '2011-10-08T18:04:20.110' + tz],
                ['2011-W40-6T18:04:20.111' + tz2, '2011-10-08T18:04:20.111' + tz],
                ['2011-W40-6 18',                 '2011-10-08T18:00:00.000' + tz],
                ['2011-W40-6 18:04',              '2011-10-08T18:04:00.000' + tz],
                ['2011-W40-6 18:04:20',           '2011-10-08T18:04:20.000' + tz],
                ['2011-W40-6 18:04' + tz,         '2011-10-08T18:04:00.000' + tz],
                ['2011-W40-6 18:04:20' + tz,      '2011-10-08T18:04:20.000' + tz],
                ['2011-W40-6 18:04' + tz2,        '2011-10-08T18:04:00.000' + tz],
                ['2011-W40-6 18:04:20' + tz2,     '2011-10-08T18:04:20.000' + tz],
                ['2011-W40-6 18:04' + tz3,        '2011-10-08T18:04:00.000' + tz],
                ['2011-W40-6 18:04:20' + tz3,     '2011-10-08T18:04:20.000' + tz],
                ['2011-W40-6 18:04:20.1' + tz2,   '2011-10-08T18:04:20.100' + tz],
                ['2011-W40-6 18:04:20.11' + tz2,  '2011-10-08T18:04:20.110' + tz],
                ['2011-W40-6 18:04:20.111' + tz2, '2011-10-08T18:04:20.111' + tz],
                ['2011-281',                      '2011-10-08T00:00:00.000' + tz],
                ['2011-281T18',                   '2011-10-08T18:00:00.000' + tz],
                ['2011-281T18:04',                '2011-10-08T18:04:00.000' + tz],
                ['2011-281T18:04:20',             '2011-10-08T18:04:20.000' + tz],
                ['2011-281T18:04' + tz,           '2011-10-08T18:04:00.000' + tz],
                ['2011-281T18:04:20' + tz,        '2011-10-08T18:04:20.000' + tz],
                ['2011-281T18:04' + tz2,          '2011-10-08T18:04:00.000' + tz],
                ['2011-281T18:04:20' + tz2,       '2011-10-08T18:04:20.000' + tz],
                ['2011-281T18:04' + tz3,          '2011-10-08T18:04:00.000' + tz],
                ['2011-281T18:04:20' + tz3,       '2011-10-08T18:04:20.000' + tz],
                ['2011-281T18:04:20.1' + tz2,     '2011-10-08T18:04:20.100' + tz],
                ['2011-281T18:04:20.11' + tz2,    '2011-10-08T18:04:20.110' + tz],
                ['2011-281T18:04:20.111' + tz2,   '2011-10-08T18:04:20.111' + tz],
                ['2011-281 18',                   '2011-10-08T18:00:00.000' + tz],
                ['2011-281 18:04',                '2011-10-08T18:04:00.000' + tz],
                ['2011-281 18:04:20',             '2011-10-08T18:04:20.000' + tz],
                ['2011-281 18:04' + tz,           '2011-10-08T18:04:00.000' + tz],
                ['2011-281 18:04:20' + tz,        '2011-10-08T18:04:20.000' + tz],
                ['2011-281 18:04' + tz2,          '2011-10-08T18:04:00.000' + tz],
                ['2011-281 18:04:20' + tz2,       '2011-10-08T18:04:20.000' + tz],
                ['2011-281 18:04' + tz3,          '2011-10-08T18:04:00.000' + tz],
                ['2011-281 18:04:20' + tz3,       '2011-10-08T18:04:20.000' + tz],
                ['2011-281 18:04:20.1' + tz2,     '2011-10-08T18:04:20.100' + tz],
                ['2011-281 18:04:20.11' + tz2,    '2011-10-08T18:04:20.110' + tz],
                ['2011-281 18:04:20.111' + tz2,   '2011-10-08T18:04:20.111' + tz]
            ], i;
        test.expect(formats.length);
        for (i = 0; i < formats.length; i++) {
            test.equal(moment(formats[i][0]).format('YYYY-MM-DDTHH:mm:ss.SSSZ'), formats[i][1], "moment should be able to parse ISO " + formats[i][0]);
        }
        test.done();
    },

    "parsing iso week year/week/weekday" : function (test) {
        test.equal(moment.utc("2007-W01").format(), "2007-01-01T00:00:00+00:00", "2008 week 1 (1st Jan Mon)");
        test.equal(moment.utc("2008-W01").format(), "2007-12-31T00:00:00+00:00", "2008 week 1 (1st Jan Tue)");
        test.equal(moment.utc("2003-W01").format(), "2002-12-30T00:00:00+00:00", "2008 week 1 (1st Jan Wed)");
        test.equal(moment.utc("2009-W01").format(), "2008-12-29T00:00:00+00:00", "2009 week 1 (1st Jan Thu)");
        test.equal(moment.utc("2010-W01").format(), "2010-01-04T00:00:00+00:00", "2010 week 1 (1st Jan Fri)");
        test.equal(moment.utc("2011-W01").format(), "2011-01-03T00:00:00+00:00", "2011 week 1 (1st Jan Sat)");
        test.equal(moment.utc("2012-W01").format(), "2012-01-02T00:00:00+00:00", "2012 week 1 (1st Jan Sun)");
        test.done();
    },

    "parsing week year/week/weekday (dow 1, doy 4)" : function (test) {
        moment.locale("dow:1,doy:4", {week: {dow: 1, doy: 4}});

        test.equal(moment.utc("2007-01", "gggg-ww").format(), "2007-01-01T00:00:00+00:00", "2007 week 1 (1st Jan Mon)");
        test.equal(moment.utc("2008-01", "gggg-ww").format(), "2007-12-31T00:00:00+00:00", "2008 week 1 (1st Jan Tue)");
        test.equal(moment.utc("2003-01", "gggg-ww").format(), "2002-12-30T00:00:00+00:00", "2003 week 1 (1st Jan Wed)");
        test.equal(moment.utc("2009-01", "gggg-ww").format(), "2008-12-29T00:00:00+00:00", "2009 week 1 (1st Jan Thu)");
        test.equal(moment.utc("2010-01", "gggg-ww").format(), "2010-01-04T00:00:00+00:00", "2010 week 1 (1st Jan Fri)");
        test.equal(moment.utc("2011-01", "gggg-ww").format(), "2011-01-03T00:00:00+00:00", "2011 week 1 (1st Jan Sat)");
        test.equal(moment.utc("2012-01", "gggg-ww").format(), "2012-01-02T00:00:00+00:00", "2012 week 1 (1st Jan Sun)");

        moment.defineLocale("dow:1,doy:4", null);
        test.done();
    },

    "parsing week year/week/weekday (dow 1, doy 7)" : function (test) {
        moment.locale("dow:1,doy:7", {week: {dow: 1, doy: 7}});

        test.equal(moment.utc("2007-01", "gggg-ww").format(), "2007-01-01T00:00:00+00:00", "2007 week 1 (1st Jan Mon)");
        test.equal(moment.utc("2008-01", "gggg-ww").format(), "2007-12-31T00:00:00+00:00", "2008 week 1 (1st Jan Tue)");
        test.equal(moment.utc("2003-01", "gggg-ww").format(), "2002-12-30T00:00:00+00:00", "2003 week 1 (1st Jan Wed)");
        test.equal(moment.utc("2009-01", "gggg-ww").format(), "2008-12-29T00:00:00+00:00", "2009 week 1 (1st Jan Thu)");
        test.equal(moment.utc("2010-01", "gggg-ww").format(), "2009-12-28T00:00:00+00:00", "2010 week 1 (1st Jan Fri)");
        test.equal(moment.utc("2011-01", "gggg-ww").format(), "2010-12-27T00:00:00+00:00", "2011 week 1 (1st Jan Sat)");
        test.equal(moment.utc("2012-01", "gggg-ww").format(), "2011-12-26T00:00:00+00:00", "2012 week 1 (1st Jan Sun)");
        moment.defineLocale("dow:1,doy:7", null);
        test.done();
    },

    "parsing week year/week/weekday (dow 0, doy 6)" : function (test) {
        moment.locale("dow:0,doy:6", {week: {dow: 0, doy: 6}});

        test.equal(moment.utc("2007-01", "gggg-ww").format(), "2006-12-31T00:00:00+00:00", "2007 week 1 (1st Jan Mon)");
        test.equal(moment.utc("2008-01", "gggg-ww").format(), "2007-12-30T00:00:00+00:00", "2008 week 1 (1st Jan Tue)");
        test.equal(moment.utc("2003-01", "gggg-ww").format(), "2002-12-29T00:00:00+00:00", "2003 week 1 (1st Jan Wed)");
        test.equal(moment.utc("2009-01", "gggg-ww").format(), "2008-12-28T00:00:00+00:00", "2009 week 1 (1st Jan Thu)");
        test.equal(moment.utc("2010-01", "gggg-ww").format(), "2009-12-27T00:00:00+00:00", "2010 week 1 (1st Jan Fri)");
        test.equal(moment.utc("2011-01", "gggg-ww").format(), "2010-12-26T00:00:00+00:00", "2011 week 1 (1st Jan Sat)");
        test.equal(moment.utc("2012-01", "gggg-ww").format(), "2012-01-01T00:00:00+00:00", "2012 week 1 (1st Jan Sun)");
        moment.defineLocale("dow:0,doy:6", null);
        test.done();
    },

    "parsing week year/week/weekday (dow 6, doy 12)" : function (test) {
        moment.locale("dow:6,doy:12", {week: {dow: 6, doy: 12}});

        test.equal(moment.utc("2007-01", "gggg-ww").format(), "2006-12-30T00:00:00+00:00", "2007 week 1 (1st Jan Mon)");
        test.equal(moment.utc("2008-01", "gggg-ww").format(), "2007-12-29T00:00:00+00:00", "2008 week 1 (1st Jan Tue)");
        test.equal(moment.utc("2003-01", "gggg-ww").format(), "2002-12-28T00:00:00+00:00", "2003 week 1 (1st Jan Wed)");
        test.equal(moment.utc("2009-01", "gggg-ww").format(), "2008-12-27T00:00:00+00:00", "2009 week 1 (1st Jan Thu)");
        test.equal(moment.utc("2010-01", "gggg-ww").format(), "2009-12-26T00:00:00+00:00", "2010 week 1 (1st Jan Fri)");
        test.equal(moment.utc("2011-01", "gggg-ww").format(), "2011-01-01T00:00:00+00:00", "2011 week 1 (1st Jan Sat)");
        test.equal(moment.utc("2012-01", "gggg-ww").format(), "2011-12-31T00:00:00+00:00", "2012 week 1 (1st Jan Sun)");
        test.done();
    },

    "parsing ISO with Z" : function (test) {
        var i, mom, formats = [
            ['2011-10-08T18:04',             '2011-10-08T18:04:00.000'],
            ['2011-10-08T18:04:20',          '2011-10-08T18:04:20.000'],
            ['2011-10-08T18:04:20.1',        '2011-10-08T18:04:20.100'],
            ['2011-10-08T18:04:20.11',       '2011-10-08T18:04:20.110'],
            ['2011-10-08T18:04:20.111',      '2011-10-08T18:04:20.111'],
            ['2011-W40-6T18',                '2011-10-08T18:00:00.000'],
            ['2011-W40-6T18:04',             '2011-10-08T18:04:00.000'],
            ['2011-W40-6T18:04:20',          '2011-10-08T18:04:20.000'],
            ['2011-W40-6T18:04:20.1',        '2011-10-08T18:04:20.100'],
            ['2011-W40-6T18:04:20.11',       '2011-10-08T18:04:20.110'],
            ['2011-W40-6T18:04:20.111',      '2011-10-08T18:04:20.111'],
            ['2011-281T18',                  '2011-10-08T18:00:00.000'],
            ['2011-281T18:04',               '2011-10-08T18:04:00.000'],
            ['2011-281T18:04:20',            '2011-10-08T18:04:20.000'],
            ['2011-281T18:04:20',            '2011-10-08T18:04:20.000'],
            ['2011-281T18:04:20.1',          '2011-10-08T18:04:20.100'],
            ['2011-281T18:04:20.11',         '2011-10-08T18:04:20.110'],
            ['2011-281T18:04:20.111',        '2011-10-08T18:04:20.111']
        ];

        for (i = 0; i < formats.length; i++) {
            mom = moment(formats[i][0] + 'Z').utc();
            test.equal(mom.format('YYYY-MM-DDTHH:mm:ss.SSS'), formats[i][1], "moment should be able to parse ISO in UTC " + formats[i][0] + 'Z');

            mom = moment(formats[i][0] + ' Z').utc();
            test.equal(mom.format('YYYY-MM-DDTHH:mm:ss.SSS'), formats[i][1], "moment should be able to parse ISO in UTC " + formats[i][0] + ' Z');
        }
        test.done();
    },

    "parsing iso with T" : function (test) {
        test.expect(8);

        test.equal(moment('2011-10-08T18')._f, "YYYY-MM-DDTHH", "should include 'T' in the format");
        test.equal(moment('2011-10-08T18:20')._f, "YYYY-MM-DDTHH:mm", "should include 'T' in the format");
        test.equal(moment('2011-10-08T18:20:13')._f, "YYYY-MM-DDTHH:mm:ss", "should include 'T' in the format");
        test.equal(moment('2011-10-08T18:20:13.321')._f, "YYYY-MM-DDTHH:mm:ss.SSSS", "should include 'T' in the format");

        test.equal(moment('2011-10-08 18')._f, "YYYY-MM-DD HH", "should not include 'T' in the format");
        test.equal(moment('2011-10-08 18:20')._f, "YYYY-MM-DD HH:mm", "should not include 'T' in the format");
        test.equal(moment('2011-10-08 18:20:13')._f, "YYYY-MM-DD HH:mm:ss", "should not include 'T' in the format");
        test.equal(moment('2011-10-08 18:20:13.321')._f, "YYYY-MM-DD HH:mm:ss.SSSS", "should not include 'T' in the format");

        test.done();
    },

    "parsing iso Z timezone" : function (test) {
        var i,
            formats = [
                ['2011-10-08T18:04Z',             '2011-10-08T18:04:00.000+00:00'],
                ['2011-10-08T18:04:20Z',          '2011-10-08T18:04:20.000+00:00'],
                ['2011-10-08T18:04:20.111Z',      '2011-10-08T18:04:20.111+00:00']
            ];
        test.expect(formats.length);
        for (i = 0; i < formats.length; i++) {
            test.equal(moment.utc(formats[i][0]).format('YYYY-MM-DDTHH:mm:ss.SSSZ'), formats[i][1], "moment should be able to parse ISO " + formats[i][0]);
        }
        test.done();
    },

    "parsing iso Z timezone into local" : function (test) {
        test.expect(1);

        var m = moment('2011-10-08T18:04:20.111Z');

        test.equal(m.utc().format('YYYY-MM-DDTHH:mm:ss.SSS'), '2011-10-08T18:04:20.111', "moment should be able to parse ISO 2011-10-08T18:04:20.111Z");

        test.done();
    },

    "parsing iso with more subsecond precision digits" : function (test) {
        test.equal(moment.utc("2013-07-31T22:00:00.0000000Z").format(),
                "2013-07-31T22:00:00+00:00", "more than 3 subsecond digits");
        test.done();
    },

    "null or empty" : function (test) {
        test.expect(8);
        test.equal(moment('').isValid(), false, "moment('') is not valid");
        test.equal(moment(null).isValid(), false, "moment(null) is not valid");
        test.equal(moment(null, 'YYYY-MM-DD').isValid(), false, "moment('', 'format') is not valid");
        test.equal(moment('', 'YYYY-MM-DD').isValid(), false, "moment('', 'format') is not valid");
        test.equal(moment.utc('').isValid(), false, "moment.utc('') is not valid");
        test.equal(moment.utc(null).isValid(), false, "moment.utc(null) is not valid");
        test.equal(moment.utc(null, 'YYYY-MM-DD').isValid(), false, "moment.utc(null) is not valid");
        test.equal(moment.utc('', 'YYYY-MM-DD').isValid(), false, "moment.utc('', 'YYYY-MM-DD') is not valid");
        test.done();
    },

    "first century" : function (test) {
        test.expect(9);
        test.equal(moment([0, 0, 1]).format("YYYY-MM-DD"), "0000-01-01", "Year AD 0");
        test.equal(moment([99, 0, 1]).format("YYYY-MM-DD"), "0099-01-01", "Year AD 99");
        test.equal(moment([999, 0, 1]).format("YYYY-MM-DD"), "0999-01-01", "Year AD 999");
        test.equal(moment('0 1 1', 'YYYY MM DD').format("YYYY-MM-DD"), "0000-01-01", "Year AD 0");
        test.equal(moment('99 1 1', 'YYYY MM DD').format("YYYY-MM-DD"), "0099-01-01", "Year AD 99");
        test.equal(moment('999 1 1', 'YYYY MM DD').format("YYYY-MM-DD"), "0999-01-01", "Year AD 999");
        test.equal(moment('0 1 1', 'YYYYY MM DD').format("YYYYY-MM-DD"), "00000-01-01", "Year AD 0");
        test.equal(moment('99 1 1', 'YYYYY MM DD').format("YYYYY-MM-DD"), "00099-01-01", "Year AD 99");
        test.equal(moment('999 1 1', 'YYYYY MM DD').format("YYYYY-MM-DD"), "00999-01-01", "Year AD 999");
        test.done();
    },

    "six digit years" : function (test) {
        test.expect(8);
        test.equal(moment([-270000, 0, 1]).format("YYYYY-MM-DD"), "-270000-01-01", "format BC 270,001");
        test.equal(moment([270000, 0, 1]).format("YYYYY-MM-DD"), "270000-01-01", "format AD 270,000");
        test.equal(moment("-270000-01-01", "YYYYY-MM-DD").toDate().getFullYear(), -270000, "parse BC 270,001");
        test.equal(moment("270000-01-01",  "YYYYY-MM-DD").toDate().getFullYear(), 270000, "parse AD 270,000");
        test.equal(moment("+270000-01-01", "YYYYY-MM-DD").toDate().getFullYear(), 270000, "parse AD +270,000");
        test.equal(moment.utc("-270000-01-01", "YYYYY-MM-DD").toDate().getUTCFullYear(), -270000, "parse utc BC 270,001");
        test.equal(moment.utc("270000-01-01",  "YYYYY-MM-DD").toDate().getUTCFullYear(), 270000, "parse utc AD 270,000");
        test.equal(moment.utc("+270000-01-01", "YYYYY-MM-DD").toDate().getUTCFullYear(), 270000, "parse utc AD +270,000");
        test.done();
    },

    "negative four digit years" : function (test) {
        test.expect(2);
        test.equal(moment("-1000-01-01", "YYYYY-MM-DD").toDate().getFullYear(), -1000, "parse BC 1,001");
        test.equal(moment.utc("-1000-01-01", "YYYYY-MM-DD").toDate().getUTCFullYear(), -1000, "parse utc BC 1,001");
        test.done();
    },

    "strict parsing" : function (test) {
        test.equal(moment("2014-", "YYYY-Q", true).isValid(), false, "fail missing quarter");

        test.equal(moment("2012-05", "YYYY-MM", true).format("YYYY-MM"), "2012-05", "parse correct string");
        test.equal(moment(" 2012-05", "YYYY-MM", true).isValid(), false, "fail on extra whitespace");
        test.equal(moment("foo 2012-05", "[foo] YYYY-MM", true).format('YYYY-MM'), "2012-05", "handle fixed text");
        test.equal(moment("2012 05", "YYYY-MM", true).isValid(), false, "fail on different separator");
        test.equal(moment("2012 05", "YYYY MM DD", true).isValid(), false, "fail on too many tokens");

        test.equal(moment("05 30 2010", ["DD MM YYYY", "MM DD YYYY"], true).format("MM DD YYYY"), "05 30 2010", "array with bad date");
        test.equal(moment("05 30 2010", ["", "MM DD YYYY"], true).format("MM DD YYYY"), "05 30 2010", "array with invalid format");
        test.equal(moment("05 30 2010", [" DD MM YYYY", "MM DD YYYY"], true).format("MM DD YYYY"), "05 30 2010", "array with non-matching format");

        test.equal(moment("2010.*...", "YYYY.*", true).isValid(), false, "invalid format with regex chars");
        test.equal(moment("2010.*", "YYYY.*", true).year(), 2010, "valid format with regex chars");
        test.equal(moment(".*2010.*", ".*YYYY.*", true).year(), 2010, "valid format with regex chars on both sides");

        //strict tokens
        test.equal(moment("-5-05-25", 'YYYY-MM-DD', true).isValid(), false, "invalid negative year");
        test.equal(moment("2-05-25", 'YYYY-MM-DD', true).isValid(), false, "invalid one-digit year");
        test.equal(moment("20-05-25", 'YYYY-MM-DD', true).isValid(), false, "invalid two-digit year");
        test.equal(moment("201-05-25", 'YYYY-MM-DD', true).isValid(), false, "invalid three-digit year");
        test.equal(moment("2010-05-25", 'YYYY-MM-DD', true).isValid(), true, "valid four-digit year");
        test.equal(moment("22010-05-25", 'YYYY-MM-DD', true).isValid(), false, "invalid five-digit year");

        test.equal(moment("12-05-25", 'YY-MM-DD', true).isValid(), true, "valid two-digit year");
        test.equal(moment("2012-05-25", 'YY-MM-DD', true).isValid(), false, "invalid four-digit year");

        test.equal(moment("-5-05-25", 'Y-MM-DD', true).isValid(), true, "valid negative year");
        test.equal(moment("2-05-25", 'Y-MM-DD', true).isValid(), true, "valid one-digit year");
        test.equal(moment("20-05-25", 'Y-MM-DD', true).isValid(), true, "valid two-digit year");
        test.equal(moment("201-05-25", 'Y-MM-DD', true).isValid(), true, "valid three-digit year");

        test.equal(moment("2012-5-25", 'YYYY-M-DD', true).isValid(), true, "valid one-digit month");
        test.equal(moment("2012-5-25", 'YYYY-MM-DD', true).isValid(), false, "invalid one-digit month");
        test.equal(moment("2012-05-25", 'YYYY-M-DD', true).isValid(), true, "valid one-digit month");
        test.equal(moment("2012-05-25", 'YYYY-MM-DD', true).isValid(), true, "valid one-digit month");

        test.equal(moment("2012-05-2", 'YYYY-MM-D', true).isValid(), true, "valid one-digit day");
        test.equal(moment("2012-05-2", 'YYYY-MM-DD', true).isValid(), false, "invalid one-digit day");
        test.equal(moment("2012-05-02", 'YYYY-MM-D', true).isValid(), true, "valid two-digit day");
        test.equal(moment("2012-05-02", 'YYYY-MM-DD', true).isValid(), true, "valid two-digit day");

        test.equal(moment("+002012-05-25", 'YYYYY-MM-DD', true).isValid(), true, "valid six-digit year");
        test.equal(moment("+2012-05-25", 'YYYYY-MM-DD', true).isValid(), false, "invalid four-digit year");

        //thse are kinda pointless, but they should work as expected
        test.equal(moment("1", 'S', true).isValid(), true, "valid one-digit milisecond");
        test.equal(moment("12", 'S', true).isValid(), false, "invalid two-digit milisecond");
        test.equal(moment("123", 'S', true).isValid(), false, "invalid three-digit milisecond");

        test.equal(moment("1", 'SS', true).isValid(), false, "invalid one-digit milisecond");
        test.equal(moment("12", 'SS', true).isValid(), true, "valid two-digit milisecond");
        test.equal(moment("123", 'SS', true).isValid(), false, "invalid three-digit milisecond");

        test.equal(moment("1", 'SSS', true).isValid(), false, "invalid one-digit milisecond");
        test.equal(moment("12", 'SSS', true).isValid(), false, "invalid two-digit milisecond");
        test.equal(moment("123", 'SSS', true).isValid(), true, "valid three-digit milisecond");

        test.done();
    },

    "parsing into a locale" : function (test) {
        test.expect(2);

        moment.defineLocale('parselocale', {
            months : "one_two_three_four_five_six_seven_eight_nine_ten_eleven_twelve".split('_'),
            monthsShort : "one_two_three_four_five_six_seven_eight_nine_ten_eleven_twelve".split("_")
        });

        moment.locale('en');

        test.equal(moment('2012 seven', 'YYYY MMM', 'parselocale').month(), 6, "should be able to parse in a specific locale");

        moment.locale('parselocale');

        test.equal(moment('2012 july', 'YYYY MMM', 'en').month(), 6, "should be able to parse in a specific locale");

        moment.defineLocale('parselocale', null);
        test.done();
    },

    "parsing week and weekday information" : function (test) {
        var ver = getVerifier(test);

        // year
        ver('12', 'gg', "2012 01 01", 'week-year two digits');
        ver('2012', 'gggg', "2012 01 01", 'week-year four digits');

        ver('99', 'gg', "1998 12 27", 'week-year two digits previous year');
        ver('1999', 'gggg', "1998 12 27", 'week-year four digits previous year');

        ver('99', 'GG', "1999 01 04", 'iso week-year two digits');
        ver('1999', 'GGGG', "1999 01 04", 'iso week-year four digits');

        ver('13', 'GG', "2012 12 31", 'iso week-year two digits previous year');
        ver('2013', 'GGGG', "2012 12 31", 'iso week-year four digits previous year');

        // year + week
        ver('1999 37', 'gggg w', "1999 09 05", 'week');
        ver('1999 37', 'gggg ww', "1999 09 05", 'week double');
        ver('1999 37', 'GGGG W', "1999 09 13", 'iso week');
        ver('1999 37', 'GGGG WW', "1999 09 13", 'iso week double');

        ver('1999 37 4', 'GGGG WW E', "1999 09 16", 'iso day');
        ver('1999 37 04', 'GGGG WW E', "1999 09 16", 'iso day wide', true);

        ver('1999 37 4', 'gggg ww e', "1999 09 09", 'day');
        ver('1999 37 04', 'gggg ww e', "1999 09 09", 'day wide', true);

        // year + week + day
        ver('1999 37 4', 'gggg ww d', "1999 09 09", 'd');
        ver('1999 37 Th', 'gggg ww dd', "1999 09 09", 'dd');
        ver('1999 37 Thu', 'gggg ww ddd', "1999 09 09", 'ddd');
        ver('1999 37 Thursday', 'gggg ww dddd', "1999 09 09", 'dddd');

        // lower-order only
        test.equal(moment('22', 'ww').week(), 22, "week sets the week by itself");
        test.equal(moment('22', 'ww').weekYear(), moment().weekYear(), "week keeps this year");
        test.equal(moment('2012 22', 'YYYY ww').weekYear(), 2012, "week keeps parsed year");

        test.equal(moment('22', 'WW').isoWeek(), 22, "iso week sets the week by itself");
        test.equal(moment('2012 22', 'YYYY WW').weekYear(), 2012, "iso week keeps parsed year");
        test.equal(moment('22', 'WW').weekYear(), moment().weekYear(), "iso week keeps this year");

        // order
        ver('6 2013 2', 'e gggg w', "2013 01 12", "order doesn't matter");
        ver('6 2013 2', 'E GGGG W', "2013 01 12", "iso order doesn't matter");

        //can parse other stuff too
        test.equal(moment('1999-W37-4 3:30', 'GGGG-[W]WW-E HH:mm').format('YYYY MM DD HH:mm'), '1999 09 16 03:30', "parsing weeks and hours");

        // In safari, all years before 1300 are shifted back with one day.
        // http://stackoverflow.com/questions/20768975/safari-subtracts-1-day-from-dates-before-1300
        if (new Date("1300-01-01").getUTCFullYear() === 1300) {
            // Years less than 100
            ver('0098-06', 'GGGG-WW', "0098 02 03", "small years work", true);
        }

        test.done();
    },

    'parsing localized weekdays' : function (test) {
        var ver = getVerifier(test);
        try {
            moment.locale('fr'); //french uses doy = 4, dow = 1
            ver('1999 37 4', 'GGGG WW E', "1999 09 16", 'iso ignores locale');
            ver('1999 37 7', 'GGGG WW E', "1999 09 19", 'iso ignores locale');

            ver('1999 37 0', 'gggg ww e', "1999 09 13", 'localized e uses local doy and dow: 0 = monday');
            ver('1999 37 4', 'gggg ww e', "1999 09 17", 'localized e uses local doy and dow: 4 = friday');

            ver('1999 37 1', 'gggg ww d', "1999 09 13", 'localized d uses 0-indexed days: 1 = monday');
            ver('1999 37 Lu', 'gggg ww dd', "1999 09 13", 'localized d uses 0-indexed days: Mo');
            ver('1999 37 lun.', 'gggg ww ddd', "1999 09 13", 'localized d uses 0-indexed days: Mon');
            ver('1999 37 lundi', 'gggg ww dddd', "1999 09 13", 'localized d uses 0-indexed days: Monday');
            ver('1999 37 4', 'gggg ww d', "1999 09 16", 'localized d uses 0-indexed days: 4');

            //sunday goes at the end of the week
            ver('1999 37 0', 'gggg ww d', "1999 09 19", 'localized d uses 0-indexed days: 0 = sund');
            ver('1999 37 Di', 'gggg ww dd', "1999 09 19", 'localized d uses 0-indexed days: 0 = sund');
        }
        finally {
            moment.locale('en');
            test.done();
        }
    },

    'parsing with customized two-digit year' : function (test) {
        var original = moment.parseTwoDigitYear;
        try {
            test.equal(moment('68', 'YY').year(), 2068);
            test.equal(moment('69', 'YY').year(), 1969);
            moment.parseTwoDigitYear = function (input) {
                return +input + (+input > 30 ? 1900 : 2000);
            };
            test.equal(moment('68', 'YY').year(), 1968);
            test.equal(moment('67', 'YY').year(), 1967);
            test.equal(moment('31', 'YY').year(), 1931);
            test.equal(moment('30', 'YY').year(), 2030);
        }
        finally {
            moment.parseTwoDigitYear = original;
            test.done();
        }
    }
};
