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import { module, test } from '../qunit';
import eachOwnProp from '../helpers/each-own-prop';
import moment from '../../moment';

module('format');

test('format using constants', function (assert) {
    var m = moment('2016-01-02T23:40:40.678');
    assert.equal(
        m.format(moment.HTML5_FMT.DATETIME_LOCAL),
        '2016-01-02T23:40',
        'datetime local format constant'
    );
    assert.equal(
        m.format(moment.HTML5_FMT.DATETIME_LOCAL_SECONDS),
        '2016-01-02T23:40:40',
        'datetime local format constant'
    );
    assert.equal(
        m.format(moment.HTML5_FMT.DATETIME_LOCAL_MS),
        '2016-01-02T23:40:40.678',
        'datetime local format constant with seconds and millis'
    );
    assert.equal(
        m.format(moment.HTML5_FMT.DATE),
        '2016-01-02',
        'date format constant'
    );
    assert.equal(
        m.format(moment.HTML5_FMT.TIME),
        '23:40',
        'time format constant'
    );
    assert.equal(
        m.format(moment.HTML5_FMT.TIME_SECONDS),
        '23:40:40',
        'time format constant with seconds'
    );
    assert.equal(
        m.format(moment.HTML5_FMT.TIME_MS),
        '23:40:40.678',
        'time format constant with seconds and millis'
    );
    assert.equal(
        m.format(moment.HTML5_FMT.WEEK),
        '2015-W53',
        'week format constant'
    );
    assert.equal(
        m.format(moment.HTML5_FMT.MONTH),
        '2016-01',
        'month format constant'
    );
});

test('format YY', function (assert) {
    var b = moment(new Date(2009, 1, 14, 15, 25, 50, 125));
    assert.equal(b.format('YY'), '09', 'YY ---> 09');
});

test('format escape brackets', function (assert) {
    moment.locale('en');

    var b = moment(new Date(2009, 1, 14, 15, 25, 50, 125));
    assert.equal(b.format('[day]'), 'day', 'Single bracket');
    assert.equal(b.format('[day] YY [YY]'), 'day 09 YY', 'Double bracket');
    assert.equal(b.format('[YY'), '[09', 'Un-ended bracket');
    assert.equal(b.format('[[YY]]'), '[YY]', 'Double nested brackets');
    assert.equal(b.format('[[]'), '[', 'Escape open bracket');
    assert.equal(b.format('[Last]'), 'Last', 'localized tokens');
    assert.equal(
        b.format('[L] L'),
        'L 02/14/2009',
        'localized tokens with escaped localized tokens'
    );
    assert.equal(
        b.format('[L LL LLL LLLL aLa]'),
        'L LL LLL LLLL aLa',
        'localized tokens with escaped localized tokens'
    );
    assert.equal(
        b.format('[LLL] LLL'),
        'LLL February 14, 2009 3:25 PM',
        'localized tokens with escaped localized tokens (recursion)'
    );
    assert.equal(b.format('YYYY[\n]DD[\n]'), '2009\n14\n', 'Newlines');
});

test('handle negative years', function (assert) {
    moment.locale('en');
    assert.equal(
        moment.utc().year(-1).format('YY'),
        '-01',
        'YY with negative year'
    );
    assert.equal(
        moment.utc().year(-1).format('YYYY'),
        '-0001',
        'YYYY with negative year'
    );
    assert.equal(
        moment.utc().year(-12).format('YY'),
        '-12',
        'YY with negative year'
    );
    assert.equal(
        moment.utc().year(-12).format('YYYY'),
        '-0012',
        'YYYY with negative year'
    );
    assert.equal(
        moment.utc().year(-123).format('YY'),
        '-23',
        'YY with negative year'
    );
    assert.equal(
        moment.utc().year(-123).format('YYYY'),
        '-0123',
        'YYYY with negative year'
    );
    assert.equal(
        moment.utc().year(-1234).format('YY'),
        '-34',
        'YY with negative year'
    );
    assert.equal(
        moment.utc().year(-1234).format('YYYY'),
        '-1234',
        'YYYY with negative year'
    );
    assert.equal(
        moment.utc().year(-12345).format('YY'),
        '-45',
        'YY with negative year'
    );
    assert.equal(
        moment.utc().year(-12345).format('YYYY'),
        '-12345',
        'YYYY with negative year'
    );
});

test('format milliseconds', function (assert) {
    var b = moment(new Date(2009, 1, 14, 15, 25, 50, 123));
    assert.equal(b.format('S'), '1', 'Deciseconds');
    assert.equal(b.format('SS'), '12', 'Centiseconds');
    assert.equal(b.format('SSS'), '123', 'Milliseconds');
    b.milliseconds(789);
    assert.equal(b.format('S'), '7', 'Deciseconds');
    assert.equal(b.format('SS'), '78', 'Centiseconds');
    assert.equal(b.format('SSS'), '789', 'Milliseconds');
});

test('format timezone', function (assert) {
    var b = moment(new Date(2010, 1, 14, 15, 25, 50, 125));
    assert.ok(
        b.format('Z').match(/^[\+\-]\d\d:\d\d$/),
        b.format('Z') + " should be something like '+07:30'"
    );
    assert.ok(
        b.format('ZZ').match(/^[\+\-]\d{4}$/),
        b.format('ZZ') + " should be something like '+0700'"
    );
});

test('format multiple with utc offset', function (assert) {
    var b = moment('2012-10-08 -1200', [
        'YYYY-MM-DD HH:mm ZZ',
        'YYYY-MM-DD ZZ',
        'YYYY-MM-DD',
    ]);
    assert.equal(
        b.format('YYYY-MM'),
        '2012-10',
        'Parsing multiple formats should not crash with different sized formats'
    );
});

test('isDST', function (assert) {
    var janOffset = new Date(2011, 0, 1).getTimezoneOffset(),
        julOffset = new Date(2011, 6, 1).getTimezoneOffset(),
        janIsDst = janOffset < julOffset,
        julIsDst = julOffset < janOffset,
        jan1 = moment([2011]),
        jul1 = moment([2011, 6]);

    if (janIsDst && julIsDst) {
        assert.ok(0, 'January and July cannot both be in DST');
        assert.ok(0, 'January and July cannot both be in DST');
    } else if (janIsDst) {
        assert.ok(jan1.isDST(), 'January 1 is DST');
        assert.ok(!jul1.isDST(), 'July 1 is not DST');
    } else if (julIsDst) {
        assert.ok(!jan1.isDST(), 'January 1 is not DST');
        assert.ok(jul1.isDST(), 'July 1 is DST');
    } else {
        assert.ok(!jan1.isDST(), 'January 1 is not DST');
        assert.ok(!jul1.isDST(), 'July 1 is not DST');
    }
});

test('unix timestamp', function (assert) {
    var m = moment('1234567890.123', 'X');
    assert.equal(
        m.format('X'),
        '1234567890',
        'unix timestamp without milliseconds'
    );
    assert.equal(
        m.format('X.S'),
        '1234567890.1',
        'unix timestamp with deciseconds'
    );
    assert.equal(
        m.format('X.SS'),
        '1234567890.12',
        'unix timestamp with centiseconds'
    );
    assert.equal(
        m.format('X.SSS'),
        '1234567890.123',
        'unix timestamp with milliseconds'
    );

    m = moment(1234567890.123, 'X');
    assert.equal(m.format('X'), '1234567890', 'unix timestamp as integer');
});

test('unix offset milliseconds', function (assert) {
    var m = moment('1234567890123', 'x');
    assert.equal(m.format('x'), '1234567890123', 'unix offset in milliseconds');

    m = moment(1234567890123, 'x');
    assert.equal(
        m.format('x'),
        '1234567890123',
        'unix offset in milliseconds as integer'
    );
});

test('utcOffset sanity checks', function (assert) {
    assert.equal(
        moment().utcOffset() % 15,
        0,
        'utc offset should be a multiple of 15 (was ' +
            moment().utcOffset() +
            ')'
    );

    assert.equal(
        moment().utcOffset(),
        -new Date().getTimezoneOffset(),
        'utcOffset should return the opposite of getTimezoneOffset'
    );
});

test('default format', function (assert) {
    var isoRegex = /\d{4}.\d\d.\d\dT\d\d.\d\d.\d\d[\+\-]\d\d:\d\d/;
    assert.ok(
        isoRegex.exec(moment().format()),
        'default format (' + moment().format() + ') should match ISO'
    );
});

test('default UTC format', function (assert) {
    var isoRegex = /\d{4}.\d\d.\d\dT\d\d.\d\d.\d\dZ/;
    assert.ok(
        isoRegex.exec(moment.utc().format()),
        'default UTC format (' + moment.utc().format() + ') should match ISO'
    );
});

test('toJSON', function (assert) {
    var supportsJson =
            typeof JSON !== 'undefined' &&
            JSON.stringify &&
            JSON.stringify.call,
        date = moment('2012-10-09T21:30:40.678+0100');

    assert.equal(
        date.toJSON(),
        '2012-10-09T20:30:40.678Z',
        'should output ISO8601 on moment.fn.toJSON'
    );

    if (supportsJson) {
        assert.equal(
            JSON.stringify({
                date: date,
            }),
            '{"date":"2012-10-09T20:30:40.678Z"}',
            'should output ISO8601 on JSON.stringify'
        );
    }
});

test('toISOString', function (assert) {
    var date = moment.utc('2012-10-09T20:30:40.678');

    assert.equal(
        date.toISOString(),
        '2012-10-09T20:30:40.678Z',
        'should output ISO8601 on moment.fn.toISOString'
    );

    // big years
    date = moment.utc('+020123-10-09T20:30:40.678');
    assert.equal(
        date.toISOString(),
        '+020123-10-09T20:30:40.678Z',
        'ISO8601 format on big positive year'
    );
    // negative years
    date = moment.utc('-000001-10-09T20:30:40.678');
    assert.equal(
        date.toISOString(),
        '-000001-10-09T20:30:40.678Z',
        'ISO8601 format on negative year'
    );
    // big negative years
    date = moment.utc('-020123-10-09T20:30:40.678');
    assert.equal(
        date.toISOString(),
        '-020123-10-09T20:30:40.678Z',
        'ISO8601 format on big negative year'
    );

    //invalid dates
    date = moment.utc('2017-12-32');
    assert.equal(
        date.toISOString(),
        null,
        'An invalid date to iso string is null'
    );
});

test('toISOString without UTC conversion', function (assert) {
    var date = moment.utc('2016-12-31T19:53:45.678').utcOffset('+05:30');

    assert.equal(
        date.toISOString(true),
        '2017-01-01T01:23:45.678+05:30',
        'should output ISO8601 on moment.fn.toISOString'
    );

    // big years
    date = moment.utc('+020122-12-31T19:53:45.678').utcOffset('+05:30');
    assert.equal(
        date.toISOString(true),
        '+020123-01-01T01:23:45.678+05:30',
        'ISO8601 format on big positive year'
    );
    // negative years
    date = moment.utc('-000002-12-31T19:53:45.678').utcOffset('+05:30');
    assert.equal(
        date.toISOString(true),
        '-000001-01-01T01:23:45.678+05:30',
        'ISO8601 format on negative year'
    );
    // big negative years
    date = moment.utc('-020124-12-31T19:53:45.678').utcOffset('+05:30');
    assert.equal(
        date.toISOString(true),
        '-020123-01-01T01:23:45.678+05:30',
        'ISO8601 format on big negative year'
    );

    //invalid dates
    date = moment.utc('2017-12-32').utcOffset('+05:30');
    assert.equal(
        date.toISOString(true),
        null,
        'An invalid date to iso string is null'
    );
});

// See https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects
test('inspect', function (assert) {
    function roundtrip(m) {
        return new Function('moment', 'return ' + m.inspect())(moment);
    }
    function testInspect(date, string) {
        var inspected = date.inspect();
        assert.equal(inspected, string);
        assert.ok(date.isSame(roundtrip(date)), 'Tried to parse ' + inspected);
    }

    testInspect(
        moment('2012-10-09T20:30:40.678'),
        'moment("2012-10-09T20:30:40.678")'
    );
    testInspect(
        moment('+020123-10-09T20:30:40.678'),
        'moment("+020123-10-09T20:30:40.678")'
    );
    testInspect(
        moment.utc('2012-10-09T20:30:40.678'),
        'moment.utc("2012-10-09T20:30:40.678+00:00")'
    );
    testInspect(
        moment.utc('+020123-10-09T20:30:40.678'),
        'moment.utc("+020123-10-09T20:30:40.678+00:00")'
    );
    testInspect(
        moment.utc('+020123-10-09T20:30:40.678+01:00'),
        'moment.utc("+020123-10-09T19:30:40.678+00:00")'
    );
    testInspect(
        moment.parseZone('2016-06-11T17:30:40.678+0430'),
        'moment.parseZone("2016-06-11T17:30:40.678+04:30")'
    );
    testInspect(
        moment.parseZone('+112016-06-11T17:30:40.678+0430'),
        'moment.parseZone("+112016-06-11T17:30:40.678+04:30")'
    );

    assert.equal(
        moment(new Date('nope')).inspect(),
        'moment.invalid(/* Invalid Date */)'
    );
    assert.equal(
        moment('blah', 'YYYY').inspect(),
        'moment.invalid(/* blah */)'
    );
});

test('long years', function (assert) {
    assert.equal(
        moment.utc().year(2).format('YYYYYY'),
        '+000002',
        'small year with YYYYYY'
    );
    assert.equal(
        moment.utc().year(2012).format('YYYYYY'),
        '+002012',
        'regular year with YYYYYY'
    );
    assert.equal(
        moment.utc().year(20123).format('YYYYYY'),
        '+020123',
        'big year with YYYYYY'
    );

    assert.equal(
        moment.utc().year(-1).format('YYYYYY'),
        '-000001',
        'small negative year with YYYYYY'
    );
    assert.equal(
        moment.utc().year(-2012).format('YYYYYY'),
        '-002012',
        'negative year with YYYYYY'
    );
    assert.equal(
        moment.utc().year(-20123).format('YYYYYY'),
        '-020123',
        'big negative year with YYYYYY'
    );
});

test('toISOString() when 0 year', function (assert) {
    // https://github.com/moment/moment/issues/3765
    var date = moment('0000-01-01T21:00:00.000Z');
    assert.equal(date.toISOString(), '0000-01-01T21:00:00.000Z');
    assert.equal(date.toDate().toISOString(), '0000-01-01T21:00:00.000Z');
});

test('iso week formats', function (assert) {
    // https://en.wikipedia.org/wiki/ISO_week_date
    var cases = {
        '2005-01-02': '2004-53',
        '2005-12-31': '2005-52',
        '2007-01-01': '2007-01',
        '2007-12-30': '2007-52',
        '2007-12-31': '2008-01',
        '2008-01-01': '2008-01',
        '2008-12-28': '2008-52',
        '2008-12-29': '2009-01',
        '2008-12-30': '2009-01',
        '2008-12-31': '2009-01',
        '2009-01-01': '2009-01',
        '2009-12-31': '2009-53',
        '2010-01-01': '2009-53',
        '2010-01-02': '2009-53',
        '2010-01-03': '2009-53',
        '404-12-31': '0404-53',
        '405-12-31': '0405-52',
    };

    eachOwnProp(cases, function (i) {
        var isoWeek, formatted2, formatted1;
        isoWeek = cases[i].split('-').pop();
        formatted2 = moment(i, 'YYYY-MM-DD').format('WW');
        assert.equal(
            isoWeek,
            formatted2,
            i + ': WW should be ' + isoWeek + ', but ' + formatted2
        );
        isoWeek = isoWeek.replace(/^0+/, '');
        formatted1 = moment(i, 'YYYY-MM-DD').format('W');
        assert.equal(
            isoWeek,
            formatted1,
            i + ': W should be ' + isoWeek + ', but ' + formatted1
        );
    });
});

test('iso week year formats', function (assert) {
    // https://en.wikipedia.org/wiki/ISO_week_date
    var cases = {
        '2005-01-02': '2004-53',
        '2005-12-31': '2005-52',
        '2007-01-01': '2007-01',
        '2007-12-30': '2007-52',
        '2007-12-31': '2008-01',
        '2008-01-01': '2008-01',
        '2008-12-28': '2008-52',
        '2008-12-29': '2009-01',
        '2008-12-30': '2009-01',
        '2008-12-31': '2009-01',
        '2009-01-01': '2009-01',
        '2009-12-31': '2009-53',
        '2010-01-01': '2009-53',
        '2010-01-02': '2009-53',
        '2010-01-03': '2009-53',
        '404-12-31': '0404-53',
        '405-12-31': '0405-52',
    };

    eachOwnProp(cases, function (i) {
        var isoWeekYear, formatted5, formatted4, formatted2;
        isoWeekYear = cases[i].split('-')[0];
        formatted5 = moment(i, 'YYYY-MM-DD').format('GGGGG');
        assert.equal(
            '0' + isoWeekYear,
            formatted5,
            i + ': GGGGG should be ' + isoWeekYear + ', but ' + formatted5
        );
        formatted4 = moment(i, 'YYYY-MM-DD').format('GGGG');
        assert.equal(
            isoWeekYear,
            formatted4,
            i + ': GGGG should be ' + isoWeekYear + ', but ' + formatted4
        );
        formatted2 = moment(i, 'YYYY-MM-DD').format('GG');
        assert.equal(
            isoWeekYear.slice(2, 4),
            formatted2,
            i + ': GG should be ' + isoWeekYear + ', but ' + formatted2
        );
    });
});

test('week year formats', function (assert) {
    // https://en.wikipedia.org/wiki/ISO_week_date
    var cases = {
        '2005-01-02': '2004-53',
        '2005-12-31': '2005-52',
        '2007-01-01': '2007-01',
        '2007-12-30': '2007-52',
        '2007-12-31': '2008-01',
        '2008-01-01': '2008-01',
        '2008-12-28': '2008-52',
        '2008-12-29': '2009-01',
        '2008-12-30': '2009-01',
        '2008-12-31': '2009-01',
        '2009-01-01': '2009-01',
        '2009-12-31': '2009-53',
        '2010-01-01': '2009-53',
        '2010-01-02': '2009-53',
        '2010-01-03': '2009-53',
        '404-12-31': '0404-53',
        '405-12-31': '0405-52',
    };

    moment.defineLocale('dow:1,doy:4', { week: { dow: 1, doy: 4 } });

    eachOwnProp(cases, function (i) {
        var isoWeekYear, formatted5, formatted4, formatted2;
        isoWeekYear = cases[i].split('-')[0];
        formatted5 = moment(i, 'YYYY-MM-DD').format('ggggg');
        assert.equal(
            '0' + isoWeekYear,
            formatted5,
            i + ': ggggg should be ' + isoWeekYear + ', but ' + formatted5
        );
        formatted4 = moment(i, 'YYYY-MM-DD').format('gggg');
        assert.equal(
            isoWeekYear,
            formatted4,
            i + ': gggg should be ' + isoWeekYear + ', but ' + formatted4
        );
        formatted2 = moment(i, 'YYYY-MM-DD').format('gg');
        assert.equal(
            isoWeekYear.slice(2, 4),
            formatted2,
            i + ': gg should be ' + isoWeekYear + ', but ' + formatted2
        );
    });
    moment.defineLocale('dow:1,doy:4', null);
});

test('iso weekday formats', function (assert) {
    assert.equal(
        moment([1985, 1, 4]).format('E'),
        '1',
        'Feb  4 1985 is Monday    -- 1st day'
    );
    assert.equal(
        moment([2029, 8, 18]).format('E'),
        '2',
        'Sep 18 2029 is Tuesday   -- 2nd day'
    );
    assert.equal(
        moment([2013, 3, 24]).format('E'),
        '3',
        'Apr 24 2013 is Wednesday -- 3rd day'
    );
    assert.equal(
        moment([2015, 2, 5]).format('E'),
        '4',
        'Mar  5 2015 is Thursday  -- 4th day'
    );
    assert.equal(
        moment([1970, 0, 2]).format('E'),
        '5',
        'Jan  2 1970 is Friday    -- 5th day'
    );
    assert.equal(
        moment([2001, 4, 12]).format('E'),
        '6',
        'May 12 2001 is Saturday  -- 6th day'
    );
    assert.equal(
        moment([2000, 0, 2]).format('E'),
        '7',
        'Jan  2 2000 is Sunday    -- 7th day'
    );
});

test('weekday formats', function (assert) {
    moment.defineLocale('dow: 3,doy: 5', { week: { dow: 3, doy: 5 } });
    assert.equal(
        moment([1985, 1, 6]).format('e'),
        '0',
        'Feb  6 1985 is Wednesday -- 0th day'
    );
    assert.equal(
        moment([2029, 8, 20]).format('e'),
        '1',
        'Sep 20 2029 is Thursday  -- 1st day'
    );
    assert.equal(
        moment([2013, 3, 26]).format('e'),
        '2',
        'Apr 26 2013 is Friday    -- 2nd day'
    );
    assert.equal(
        moment([2015, 2, 7]).format('e'),
        '3',
        'Mar  7 2015 is Saturday  -- 3nd day'
    );
    assert.equal(
        moment([1970, 0, 4]).format('e'),
        '4',
        'Jan  4 1970 is Sunday    -- 4th day'
    );
    assert.equal(
        moment([2001, 4, 14]).format('e'),
        '5',
        'May 14 2001 is Monday    -- 5th day'
    );
    assert.equal(
        moment([2000, 0, 4]).format('e'),
        '6',
        'Jan  4 2000 is Tuesday   -- 6th day'
    );
    moment.defineLocale('dow: 3,doy: 5', null);
});

test('toString is just human readable format', function (assert) {
    var b = moment(new Date(2009, 1, 5, 15, 25, 50, 125));
    assert.equal(b.toString(), b.format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'));
});

test('toJSON skips postformat', function (assert) {
    moment.defineLocale('postformat', {
        postformat: function (s) {
            s.replace(/./g, 'X');
        },
    });
    assert.equal(
        moment.utc([2000, 0, 1]).toJSON(),
        '2000-01-01T00:00:00.000Z',
        "toJSON doesn't postformat"
    );
    moment.defineLocale('postformat', null);
});

test('calendar day timezone', function (assert) {
    moment.locale('en');
    var zones = [60, -60, 90, -90, 360, -360, 720, -720],
        b = moment().utc().startOf('day').subtract({ m: 1 }),
        c = moment().local().startOf('day').subtract({ m: 1 }),
        d = moment().local().startOf('day').subtract({ d: 2 }),
        i,
        z,
        a;

    for (i = 0; i < zones.length; ++i) {
        z = zones[i];
        a = moment().utcOffset(z).startOf('day').subtract({ m: 1 });
        assert.equal(
            moment(a).utcOffset(z).calendar(),
            'Yesterday at 11:59 PM',
            'Yesterday at 11:59 PM, not Today, or the wrong time, tz = ' + z
        );
    }

    assert.equal(
        moment(b).utc().calendar(),
        'Yesterday at 11:59 PM',
        'Yesterday at 11:59 PM, not Today, or the wrong time'
    );
    assert.equal(
        moment(c).local().calendar(),
        'Yesterday at 11:59 PM',
        'Yesterday at 11:59 PM, not Today, or the wrong time'
    );
    assert.equal(
        moment(c).local().calendar(d),
        'Tomorrow at 11:59 PM',
        'Tomorrow at 11:59 PM, not Yesterday, or the wrong time'
    );
});

test('calendar with custom formats', function (assert) {
    assert.equal(
        moment().calendar(null, { sameDay: '[Today]' }),
        'Today',
        'Today'
    );
    assert.equal(
        moment().add(1, 'days').calendar(null, { nextDay: '[Tomorrow]' }),
        'Tomorrow',
        'Tomorrow'
    );
    assert.equal(
        moment([1985, 1, 4]).calendar(null, { sameElse: 'YYYY-MM-DD' }),
        '1985-02-04',
        'Else'
    );
});

test('invalid', function (assert) {
    assert.equal(moment.invalid().format(), 'Invalid date');
    assert.equal(moment.invalid().format('YYYY-MM-DD'), 'Invalid date');
});

test('quarter formats', function (assert) {
    assert.equal(moment([1985, 1, 4]).format('Q'), '1', 'Feb  4 1985 is Q1');
    assert.equal(moment([2029, 8, 18]).format('Q'), '3', 'Sep 18 2029 is Q3');
    assert.equal(moment([2013, 3, 24]).format('Q'), '2', 'Apr 24 2013 is Q2');
    assert.equal(moment([2015, 2, 5]).format('Q'), '1', 'Mar  5 2015 is Q1');
    assert.equal(moment([1970, 0, 2]).format('Q'), '1', 'Jan  2 1970 is Q1');
    assert.equal(moment([2001, 11, 12]).format('Q'), '4', 'Dec 12 2001 is Q4');
    assert.equal(
        moment([2000, 0, 2]).format('[Q]Q-YYYY'),
        'Q1-2000',
        'Jan  2 2000 is Q1'
    );
});

test('quarter ordinal formats', function (assert) {
    assert.equal(
        moment([1985, 1, 4]).format('Qo'),
        '1st',
        'Feb 4 1985 is 1st quarter'
    );
    assert.equal(
        moment([2029, 8, 18]).format('Qo'),
        '3rd',
        'Sep 18 2029 is 3rd quarter'
    );
    assert.equal(
        moment([2013, 3, 24]).format('Qo'),
        '2nd',
        'Apr 24 2013 is 2nd quarter'
    );
    assert.equal(
        moment([2015, 2, 5]).format('Qo'),
        '1st',
        'Mar  5 2015 is 1st quarter'
    );
    assert.equal(
        moment([1970, 0, 2]).format('Qo'),
        '1st',
        'Jan  2 1970 is 1st quarter'
    );
    assert.equal(
        moment([2001, 11, 12]).format('Qo'),
        '4th',
        'Dec 12 2001 is 4th quarter'
    );
    assert.equal(
        moment([2000, 0, 2]).format('Qo [quarter] YYYY'),
        '1st quarter 2000',
        'Jan  2 2000 is 1st quarter'
    );
});

// test('full expanded format is returned from abbreviated formats', function (assert) {

//     var locales =
//         'ar-sa ar-tn ar az be bg bn bo br bs ca cs cv cy da de-at de dv el ' +
//         'en-au en-ca en-gb en-ie en-nz eo es et eu fa fi fo fr-ca fr-ch fr fy ' +
//         'gd gl he hi hr hu hy-am id is it ja jv ka kk km ko lb lo lt lv me mk ml ' +
//         'mr ms-my ms my nb ne nl nn pl pt-br pt ro ru se si sk sl sq sr-cyrl ' +
//         'sr sv sw ta te th tl-ph tlh tr tzl tzm-latn tzm uk uz vi zh-cn zh-tw';

//     each(locales.split(' '), function (locale) {
//         var data = moment().locale(locale).localeData()._longDateFormat;
//         eachOwnProp(data, function (token) {
//             // Check each format string to make sure it does not contain any
//             // tokens that need to be expanded.
//             each(tokens, function (i) {
//                 // strip escaped sequences
//                 var format = data[i].replace(/(\[[^\]]*\])/g, '');
//                 assert.equal(false, !!~format.indexOf(token), 'locale ' + locale + ' contains ' + token + ' in ' + i);
//             });
//         });
//     });
// });

test('milliseconds', function (assert) {
    var m = moment('123', 'SSS');

    assert.equal(m.format('S'), '1');
    assert.equal(m.format('SS'), '12');
    assert.equal(m.format('SSS'), '123');
    assert.equal(m.format('SSSS'), '1230');
    assert.equal(m.format('SSSSS'), '12300');
    assert.equal(m.format('SSSSSS'), '123000');
    assert.equal(m.format('SSSSSSS'), '1230000');
    assert.equal(m.format('SSSSSSSS'), '12300000');
    assert.equal(m.format('SSSSSSSSS'), '123000000');
});

test('hmm and hmmss', function (assert) {
    assert.equal(moment('12:34:56', 'HH:mm:ss').format('hmm'), '1234');
    assert.equal(moment('01:34:56', 'HH:mm:ss').format('hmm'), '134');
    assert.equal(moment('13:34:56', 'HH:mm:ss').format('hmm'), '134');

    assert.equal(moment('12:34:56', 'HH:mm:ss').format('hmmss'), '123456');
    assert.equal(moment('01:34:56', 'HH:mm:ss').format('hmmss'), '13456');
    assert.equal(moment('13:34:56', 'HH:mm:ss').format('hmmss'), '13456');
});

test('Hmm and Hmmss', function (assert) {
    assert.equal(moment('12:34:56', 'HH:mm:ss').format('Hmm'), '1234');
    assert.equal(moment('01:34:56', 'HH:mm:ss').format('Hmm'), '134');
    assert.equal(moment('13:34:56', 'HH:mm:ss').format('Hmm'), '1334');

    assert.equal(moment('12:34:56', 'HH:mm:ss').format('Hmmss'), '123456');
    assert.equal(moment('01:34:56', 'HH:mm:ss').format('Hmmss'), '13456');
    assert.equal(moment('08:34:56', 'HH:mm:ss').format('Hmmss'), '83456');
    assert.equal(moment('18:34:56', 'HH:mm:ss').format('Hmmss'), '183456');
});

test('k and kk', function (assert) {
    assert.equal(moment('01:23:45', 'HH:mm:ss').format('k'), '1');
    assert.equal(moment('12:34:56', 'HH:mm:ss').format('k'), '12');
    assert.equal(moment('01:23:45', 'HH:mm:ss').format('kk'), '01');
    assert.equal(moment('12:34:56', 'HH:mm:ss').format('kk'), '12');
    assert.equal(moment('00:34:56', 'HH:mm:ss').format('kk'), '24');
    assert.equal(moment('00:00:00', 'HH:mm:ss').format('kk'), '24');
});

test('Y token', function (assert) {
    assert.equal(
        moment('2010-01-01', 'YYYY-MM-DD', true).format('Y'),
        '2010',
        'format 2010 with Y'
    );
    assert.equal(
        moment('-123-01-01', 'Y-MM-DD', true).format('Y'),
        '-0123',
        'format -123 with Y'
    );
    assert.equal(
        moment('12345-01-01', 'Y-MM-DD', true).format('Y'),
        '+12345',
        'format 12345 with Y'
    );
    assert.equal(
        moment('0-01-01', 'Y-MM-DD', true).format('Y'),
        '0000',
        'format 0 with Y'
    );
    assert.equal(
        moment('1-01-01', 'Y-MM-DD', true).format('Y'),
        '0001',
        'format 1 with Y'
    );
    assert.equal(
        moment('9999-01-01', 'Y-MM-DD', true).format('Y'),
        '9999',
        'format 9999 with Y'
    );
    assert.equal(
        moment('10000-01-01', 'Y-MM-DD', true).format('Y'),
        '+10000',
        'format 10000 with Y'
    );
});

test('HTML5_FMT.WEEK', function (assert) {
    assert.equal(
        moment('2004-W01', moment.HTML5_FMT.WEEK).format(moment.HTML5_FMT.WEEK),
        '2004-W01',
        'issue #4698 regression'
    );
    assert.equal(
        moment('2019-W01').format(moment.HTML5_FMT.WEEK),
        '2019-W01',
        'issue #4833 regression'
    );
});

test('does not modify original moment instance', function (assert) {
    let m = moment(0),
        original = moment(0);
    m.format('yyyy-MM-DD');
    assert.equal(
        m.toISOString(),
        original.toISOString(),
        'issue #5571 regression'
    );

    assert.deepEqual(
        moment(new Date('2020-08-11 23:59:59'))
            .format('yyyy-MM-DD HH:mm:ss')
            .split(' '),
        moment(new Date('2020-08-11 23:59:59'))
            .format('HH:mm:ss yyyy-MM-DD')
            .split(' ')
            .reverse(),
        'issue #5681 regression'
    );
});
Creat By MiNi SheLL
Email: jattceo@gmail.com