datetime_test.go

package i18n

import (
	"time"

	. "launchpad.net/gocheck"
)

var (
	dateTimeString = "Jan 2, 2006 at 3:04:05pm"
)

func (s *MySuite) TestFormatDateTime(c *C) {
	f, _ := NewTranslatorFactory(
		[]string{"data/rules"},
		[]string{"data/messages"},
		"en",
	)

	c.Assert(f, NotNil)

	tEn, _ := f.GetTranslator("en")

	c.Assert(tEn, NotNil)

	datetime, _ := time.Parse(dateTimeString, dateTimeString)

	// test the public method
	dFull, err := tEn.FormatDateTime(DateFormatFull, datetime)
	c.Check(err, IsNil)

	dLong, err := tEn.FormatDateTime(DateFormatLong, datetime)
	c.Check(err, IsNil)

	dMedium, err := tEn.FormatDateTime(DateFormatMedium, datetime)
	c.Check(err, IsNil)

	dShort, err := tEn.FormatDateTime(DateFormatShort, datetime)
	c.Check(err, IsNil)

	tFull, err := tEn.FormatDateTime(TimeFormatFull, datetime)
	c.Check(err, IsNil)

	tLong, err := tEn.FormatDateTime(TimeFormatLong, datetime)
	c.Check(err, IsNil)

	tMedium, err := tEn.FormatDateTime(TimeFormatMedium, datetime)
	c.Check(err, IsNil)

	tShort, err := tEn.FormatDateTime(TimeFormatShort, datetime)
	c.Check(err, IsNil)

	dtFull, err := tEn.FormatDateTime(DateTimeFormatFull, datetime)
	c.Check(err, IsNil)

	dtLong, err := tEn.FormatDateTime(DateTimeFormatLong, datetime)
	c.Check(err, IsNil)

	dtMedium, err := tEn.FormatDateTime(DateTimeFormatMedium, datetime)
	c.Check(err, IsNil)

	dtShort, err := tEn.FormatDateTime(DateTimeFormatShort, datetime)
	c.Check(err, IsNil)

	c.Check(dFull, Equals, "Monday, January 2, 2006")
	c.Check(dLong, Equals, "January 2, 2006")
	c.Check(dMedium, Equals, "Jan 2, 2006")
	c.Check(dShort, Equals, "1/2/06")
	c.Check(tFull, Equals, "3:04:05 PM")
	c.Check(tLong, Equals, "3:04:05 PM")
	c.Check(tMedium, Equals, "3:04:05 PM")
	c.Check(tShort, Equals, "3:04 PM")
	c.Check(dtFull, Equals, "Monday, January 2, 2006 at 3:04:05 PM")
	c.Check(dtLong, Equals, "January 2, 2006 at 3:04:05 PM")
	c.Check(dtMedium, Equals, "Jan 2, 2006, 3:04:05 PM")
	c.Check(dtShort, Equals, "1/2/06, 3:04 PM")

	// should check other locales too - maybe all of them?
	locales := map[string]string{
		"aa":      "02/01/06",
		"af":      "2006-01-02",
		"agq":     "2/1/2006",
		"ak":      "06/01/02",
		"am":      "02/01/2006",
		"ar":      "2\u200f/1\u200f/2006",
		"as":      "2-1-2006",
		"asa":     "02/01/2006",
		"ast":     "2/1/06",
		"az":      "06/01/02",
		"bas":     "2/1/2006",
		"be":      "2.1.06",
		"bem":     "02/01/2006",
		"bez":     "02/01/2006",
		"bg":      "02.01.06",
		"bm":      "2/1/2006",
		"bn":      "2/1/06",
		"bo":      "2006-01-02",
		"br":      "2006-01-02",
		"brx":     "1/2/06",
		"bs":      "02.01.06.",
		"byn":     "02/01/06",
		"ca":      "02/01/06",
		"cgg":     "02/01/2006",
		"chr":     "1/2/06",
		"cs":      "02.01.06",
		"cy":      "02/01/2006",
		"da":      "02/01/06",
		"dav":     "02/01/2006",
		"de":      "02.01.06",
		"dje":     "2/1/2006",
		"dua":     "2/1/2006",
		"dyo":     "2/1/2006",
		"dz":      "2006-01-02",
		"ebu":     "02/01/2006",
		"ee":      "1/2/06",
		"el":      "2/1/06",
		"en":      "1/2/06",
		"en-au":   "2/01/06",
		"en-gb":   "02/01/2006",
		"eo":      "06-01-02",
		"es":      "02/01/06",
		"et":      "02.01.06",
		"eu":      "2006-01-02",
		"ewo":     "2/1/2006",
		"fa":      "2006/1/2",
		"ff":      "2/1/2006",
		"fi":      "2.1.2006",
		"fil":     "1/2/06",
		"fo":      "02-01-06",
		"fr":      "02/01/2006",
		"fr-ca":   "06-01-02",
		"fur":     "02/01/06",
		"ga":      "02/01/2006",
		"gd":      "02/01/2006",
		"gl":      "02/01/06",
		"gsw":     "02.01.06",
		"gu":      "2-01-06",
		"guz":     "02/01/2006",
		"gv":      "02/01/06",
		"ha":      "2/1/06",
		"haw":     "2/1/06",
		"he":      "02/01/06",
		"hi":      "2-1-06",
		"hr":      "2.1.2006.",
		"ht":      "2006-01-02",
		"hu":      "2006.01.02.",
		"hy":      "02.01.06",
		"ia":      "06/01/02",
		"id":      "02/01/06",
		"ig":      "02/01/2006",
		"ii":      "2006-01-02",
		"is":      "2.1.2006",
		"it":      "02/01/06",
		"ja":      "2006/01/02",
		"jgo":     "2006-01-02",
		"jmc":     "02/01/2006",
		"ka":      "02.01.06",
		"kab":     "2/1/2006",
		"kam":     "02/01/2006",
		"kde":     "02/01/2006",
		"kea":     "2/1/2006",
		"khq":     "2/1/2006",
		"ki":      "02/01/2006",
		"kk":      "02.01.06",
		"kkj":     "02/01 2006",
		"kl":      "2006-01-02",
		"kln":     "02/01/2006",
		"km":      "2/1/2006",
		"kn":      "2-1-06",
		"ko":      "06. 1. 2.",
		"kok":     "2-1-06",
		"ks":      "1/2/06",
		"ksb":     "02/01/2006",
		"ksf":     "2/1/2006",
		"ksh":     "2. 1. 2006",
		"kw":      "02/01/2006",
		"ky":      "02.01.06",
		"lag":     "02/01/2006",
		"lg":      "02/01/2006",
		"ln":      "2/1/2006",
		"lo":      "2/1/2006",
		"lt":      "2006-01-02",
		"lu":      "2/1/2006",
		"luo":     "02/01/2006",
		"luy":     "02/01/2006",
		"lv":      "02.01.06",
		"mas":     "02/01/2006",
		"mer":     "02/01/2006",
		"mfe":     "2/1/2006",
		"mg":      "2/1/2006",
		"mgh":     "02/01/2006",
		"mgo":     "2006-01-02",
		"mk":      "02.1.06",
		"ml":      "02/01/06",
		"mn":      "2006-01-02",
		"mr":      "2-1-06",
		"ms":      "2/01/06",
		"mt":      "02/01/2006",
		"mua":     "2/1/2006",
		"my":      "06/01/02",
		"naq":     "02/01/2006",
		"nb":      "02.01.06",
		"nd":      "02/01/2006",
		"ne":      "2006-01-02",
		"nl":      "02-01-06",
		"nl-be":   "2/01/06",
		"nmg":     "2/1/2006",
		"nn":      "02.01.06",
		"nnh":     "02/01/06",
		"no":      "02.01.06",
		"nr":      "2006-01-02",
		"nso":     "2006-01-02",
		"nus":     "2/01/2006",
		"nyn":     "02/01/2006",
		"om":      "02/01/06",
		"or":      "2-1-06",
		"os":      "02.01.06",
		"pa":      "02/01/2006",
		"pl":      "02.01.2006",
		"ps":      "2006/1/2",
		"pt":      "02/01/06",
		"pt-br":   "02/01/06",
		"rm":      "02-01-06",
		"rn":      "2/1/2006",
		"ro":      "02.01.2006",
		"rof":     "02/01/2006",
		"ru":      "02.01.06",
		"rw":      "06/01/02",
		"rwk":     "02/01/2006",
		"sah":     "06/1/2",
		"saq":     "02/01/2006",
		"sbp":     "02/01/2006",
		"se":      "2006-01-02",
		"seh":     "2/1/2006",
		"ses":     "2/1/2006",
		"sg":      "2/1/2006",
		"shi":     "2/1/2006",
		"si":      "2006/01/02",
		"sk":      "2.1.2006",
		"sl":      "2. 01. 06",
		"sn":      "02/01/2006",
		"so":      "02/01/06",
		"sq":      "06-01-02",
		"sr":      "2.1.06.",
		"ss":      "2006-01-02",
		"ssy":     "02/01/06",
		"st":      "2006-01-02",
		"sv":      "2006-01-02",
		"sw":      "02/01/2006",
		"swc":     "2/1/2006",
		"ta":      "2-1-06",
		"te":      "02-01-06",
		"teo":     "02/01/2006",
		"tg":      "06/01/02",
		"th":      "2/1/06",
		"ti":      "02/01/06",
		"tig":     "02/01/06",
		"tn":      "2006-01-02",
		"to":      "2/1/06",
		"tr":      "2.01.2006",
		"ts":      "2006-01-02",
		"twq":     "2/1/2006",
		"tzm":     "02/01/2006",
		"uk":      "02.01.06",
		"ur":      "2/1/06",
		"uz":      "06/01/02",
		"vai":     "02/01/2006",
		"ve":      "2006-01-02",
		"vi":      "02/01/2006",
		"vo":      "2006-01-02",
		"vun":     "02/01/2006",
		"wae":     "2006-01-02",
		"wal":     "02/01/06",
		"xh":      "2006-01-02",
		"xog":     "02/01/2006",
		"yav":     "2/1/2006",
		"yo":      "02/01/2006",
		"zh":      "2006/1/2",
		"zh-hans": "06-1-2",
		"zu":      "2006-01-02",
	}

	for locale, expected := range locales {
		t, _ := f.GetTranslator(locale)
		d, err := t.FormatDateTime(DateFormatShort, datetime)

		if d != expected {
			c.Log(locale)
		}

		c.Check(err, IsNil)
		c.Check(d, Equals, expected)
	}

	// test the private method
	checkAll := "G y yy yyyy M MM MMM MMMM MMMMM E EE EEE EEEE EEEEE d dd h hh H HH m mm s ss a aaa aaaa aaaaa Q z v 'literal':'literal'   ,   "
	shouldMatch := "2006 06 2006 1 01 Jan January J Monday Mo Mon Monday M 2 02 3 03 15 15 4 04 5 05 PM PM PM p    literal#literal"
	separator := tEn.rules.DateTime.TimeSeparator
	tEn.rules.DateTime.TimeSeparator = "#"
	patternToCheckEverything, _ := tEn.parseDateTimeFormat(checkAll)
	tEn.rules.DateTime.TimeSeparator = separator

	custom, err := tEn.formatDateTime(datetime, patternToCheckEverything)
	tEn.rules.DateTime.TimeSeparator = separator

	c.Check(err, IsNil)

	c.Check(custom, Equals, shouldMatch)
}

func (s *MySuite) TestFormatDateTimeComponent(c *C) {
	f, _ := NewTranslatorFactory(
		[]string{"data/rules"},
		[]string{"data/messages"},
		"en",
	)

	c.Assert(f, NotNil)

	tEn, _ := f.GetTranslator("en")

	c.Assert(tEn, NotNil)

	datetime, _ := time.Parse(dateTimeString, dateTimeString)

	str, err := tEn.formatDateTimeComponent(datetime, "G")
	c.Check(err, IsNil)
	c.Check(str, Equals, "")

	str, err = tEn.formatDateTimeComponent(datetime, "y")
	c.Check(err, IsNil)
	c.Check(str, Equals, "2006")

	str, err = tEn.formatDateTimeComponent(datetime, "yy")
	c.Check(err, IsNil)
	c.Check(str, Equals, "06")

	str, err = tEn.formatDateTimeComponent(datetime, "yyyy")
	c.Check(err, IsNil)
	c.Check(str, Equals, "2006")

	_, err = tEn.formatDateTimeComponent(datetime, "yyyyyy")
	c.Check(err, NotNil)

	str, err = tEn.formatDateTimeComponent(datetime, "M")
	c.Check(err, IsNil)
	c.Check(str, Equals, "1")

	str, err = tEn.formatDateTimeComponent(datetime, "MM")
	c.Check(err, IsNil)
	c.Check(str, Equals, "01")

	str, err = tEn.formatDateTimeComponent(datetime, "MMM")
	c.Check(err, IsNil)
	c.Check(str, Equals, "Jan")

	str, err = tEn.formatDateTimeComponent(datetime, "MMMM")
	c.Check(err, IsNil)
	c.Check(str, Equals, "January")

	str, err = tEn.formatDateTimeComponent(datetime, "MMMMM")
	c.Check(err, IsNil)
	c.Check(str, Equals, "J")

	_, err = tEn.formatDateTimeComponent(datetime, "MMMMMM")
	c.Check(err, NotNil)

	str, err = tEn.formatDateTimeComponent(datetime, "E")
	c.Check(err, IsNil)
	c.Check(str, Equals, "Monday")

	str, err = tEn.formatDateTimeComponent(datetime, "EE")
	c.Check(err, IsNil)
	c.Check(str, Equals, "Mo")

	str, err = tEn.formatDateTimeComponent(datetime, "EEE")
	c.Check(err, IsNil)
	c.Check(str, Equals, "Mon")

	str, err = tEn.formatDateTimeComponent(datetime, "EEEE")
	c.Check(err, IsNil)
	c.Check(str, Equals, "Monday")

	str, err = tEn.formatDateTimeComponent(datetime, "EEEEE")
	c.Check(err, IsNil)
	c.Check(str, Equals, "M")

	_, err = tEn.formatDateTimeComponent(datetime, "EEEEEE")
	c.Check(err, NotNil)

	str, err = tEn.formatDateTimeComponent(datetime, "d")
	c.Check(err, IsNil)
	c.Check(str, Equals, "2")

	str, err = tEn.formatDateTimeComponent(datetime, "dd")
	c.Check(err, IsNil)
	c.Check(str, Equals, "02")

	_, err = tEn.formatDateTimeComponent(datetime, "dddddd")
	c.Check(err, NotNil)

	str, err = tEn.formatDateTimeComponent(datetime, "h")
	c.Check(err, IsNil)
	c.Check(str, Equals, "3")

	str, err = tEn.formatDateTimeComponent(datetime, "hh")
	c.Check(err, IsNil)
	c.Check(str, Equals, "03")

	_, err = tEn.formatDateTimeComponent(datetime, "hhhhhh")
	c.Check(err, NotNil)

	str, err = tEn.formatDateTimeComponent(datetime, "H")
	c.Check(err, IsNil)
	c.Check(str, Equals, "15")

	str, err = tEn.formatDateTimeComponent(datetime, "HH")
	c.Check(err, IsNil)
	c.Check(str, Equals, "15")

	_, err = tEn.formatDateTimeComponent(datetime, "HHHHHH")
	c.Check(err, NotNil)

	str, err = tEn.formatDateTimeComponent(datetime, "m")
	c.Check(err, IsNil)
	c.Check(str, Equals, "4")

	str, err = tEn.formatDateTimeComponent(datetime, "mm")
	c.Check(err, IsNil)
	c.Check(str, Equals, "04")

	_, err = tEn.formatDateTimeComponent(datetime, "mmmmmm")
	c.Check(err, NotNil)

	str, err = tEn.formatDateTimeComponent(datetime, "s")
	c.Check(err, IsNil)
	c.Check(str, Equals, "5")

	str, err = tEn.formatDateTimeComponent(datetime, "ss")
	c.Check(err, IsNil)
	c.Check(str, Equals, "05")

	_, err = tEn.formatDateTimeComponent(datetime, "ssssss")
	c.Check(err, NotNil)

	abbr := tEn.rules.DateTime.FormatNames.Periods.Abbreviated.PM
	narrow := tEn.rules.DateTime.FormatNames.Periods.Narrow.PM
	wide := tEn.rules.DateTime.FormatNames.Periods.Wide.PM
	tEn.rules.DateTime.FormatNames.Periods.Abbreviated.PM = "abbr"
	tEn.rules.DateTime.FormatNames.Periods.Narrow.PM = "narrow"
	tEn.rules.DateTime.FormatNames.Periods.Wide.PM = "wide"
	str, err = tEn.formatDateTimeComponent(datetime, "a")
	c.Check(err, IsNil)
	c.Check(str, Equals, "wide")
	str, err = tEn.formatDateTimeComponent(datetime, "aaa")
	c.Check(err, IsNil)
	c.Check(str, Equals, "abbr")
	str, err = tEn.formatDateTimeComponent(datetime, "aaaa")
	c.Check(err, IsNil)
	c.Check(str, Equals, "wide")
	str, err = tEn.formatDateTimeComponent(datetime, "aaaaa")
	c.Check(err, IsNil)
	c.Check(str, Equals, "narrow")
	tEn.rules.DateTime.FormatNames.Periods.Abbreviated.PM = abbr
	tEn.rules.DateTime.FormatNames.Periods.Narrow.PM = narrow
	tEn.rules.DateTime.FormatNames.Periods.Wide.PM = wide

	_, err = tEn.formatDateTimeComponent(datetime, "aaaaaa")
	c.Check(err, NotNil)

	str, err = tEn.formatDateTimeComponent(datetime, "Q")
	c.Check(err, IsNil)
	c.Check(str, Equals, "")

	str, err = tEn.formatDateTimeComponent(datetime, "z")
	c.Check(err, IsNil)
	c.Check(str, Equals, "")

	str, err = tEn.formatDateTimeComponent(datetime, "v")
	c.Check(err, IsNil)
	c.Check(str, Equals, "")

	_, err = tEn.formatDateTimeComponent(datetime, "%")
	c.Check(err, NotNil)
}

func (s *MySuite) TestParseDateTimeFormat(c *C) {
	f, _ := NewTranslatorFactory(
		[]string{"data/rules"},
		[]string{"data/messages"},
		"en",
	)

	c.Assert(f, NotNil)

	tEn, _ := f.GetTranslator("en")

	c.Assert(tEn, NotNil)

	checkAll := "G y yy yyyy M MM MMM MMMM MMMMM E EE EEE EEEE EEEEE d dd h hh H HH m mm s ss a aaa aaaa aaaaa Q z v 'literal':'literal'"
	patternToCheckEverything, err := tEn.parseDateTimeFormat(checkAll)

	c.Check(err, IsNil)
	c.Check(patternToCheckEverything, HasLen, 61)
	c.Check(patternToCheckEverything[0].pattern, Equals, " ")
	c.Check(patternToCheckEverything[0].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[1].pattern, Equals, "y")
	c.Check(patternToCheckEverything[1].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[2].pattern, Equals, " ")
	c.Check(patternToCheckEverything[2].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[3].pattern, Equals, "yy")
	c.Check(patternToCheckEverything[3].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[4].pattern, Equals, " ")
	c.Check(patternToCheckEverything[4].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[5].pattern, Equals, "yyyy")
	c.Check(patternToCheckEverything[5].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[6].pattern, Equals, " ")
	c.Check(patternToCheckEverything[6].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[7].pattern, Equals, "M")
	c.Check(patternToCheckEverything[7].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[8].pattern, Equals, " ")
	c.Check(patternToCheckEverything[8].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[9].pattern, Equals, "MM")
	c.Check(patternToCheckEverything[9].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[10].pattern, Equals, " ")
	c.Check(patternToCheckEverything[10].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[11].pattern, Equals, "MMM")
	c.Check(patternToCheckEverything[11].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[12].pattern, Equals, " ")
	c.Check(patternToCheckEverything[12].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[13].pattern, Equals, "MMMM")
	c.Check(patternToCheckEverything[13].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[14].pattern, Equals, " ")
	c.Check(patternToCheckEverything[14].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[15].pattern, Equals, "MMMMM")
	c.Check(patternToCheckEverything[15].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[16].pattern, Equals, " ")
	c.Check(patternToCheckEverything[16].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[17].pattern, Equals, "E")
	c.Check(patternToCheckEverything[17].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[18].pattern, Equals, " ")
	c.Check(patternToCheckEverything[18].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[19].pattern, Equals, "EE")
	c.Check(patternToCheckEverything[19].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[20].pattern, Equals, " ")
	c.Check(patternToCheckEverything[20].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[21].pattern, Equals, "EEE")
	c.Check(patternToCheckEverything[21].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[22].pattern, Equals, " ")
	c.Check(patternToCheckEverything[22].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[23].pattern, Equals, "EEEE")
	c.Check(patternToCheckEverything[23].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[24].pattern, Equals, " ")
	c.Check(patternToCheckEverything[24].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[25].pattern, Equals, "EEEEE")
	c.Check(patternToCheckEverything[25].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[26].pattern, Equals, " ")
	c.Check(patternToCheckEverything[26].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[27].pattern, Equals, "d")
	c.Check(patternToCheckEverything[27].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[28].pattern, Equals, " ")
	c.Check(patternToCheckEverything[28].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[29].pattern, Equals, "dd")
	c.Check(patternToCheckEverything[29].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[30].pattern, Equals, " ")
	c.Check(patternToCheckEverything[30].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[31].pattern, Equals, "h")
	c.Check(patternToCheckEverything[31].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[32].pattern, Equals, " ")
	c.Check(patternToCheckEverything[32].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[33].pattern, Equals, "hh")
	c.Check(patternToCheckEverything[33].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[34].pattern, Equals, " ")
	c.Check(patternToCheckEverything[34].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[35].pattern, Equals, "H")
	c.Check(patternToCheckEverything[35].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[36].pattern, Equals, " ")
	c.Check(patternToCheckEverything[36].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[37].pattern, Equals, "HH")
	c.Check(patternToCheckEverything[37].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[38].pattern, Equals, " ")
	c.Check(patternToCheckEverything[38].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[39].pattern, Equals, "m")
	c.Check(patternToCheckEverything[39].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[40].pattern, Equals, " ")
	c.Check(patternToCheckEverything[40].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[41].pattern, Equals, "mm")
	c.Check(patternToCheckEverything[41].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[42].pattern, Equals, " ")
	c.Check(patternToCheckEverything[42].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[43].pattern, Equals, "s")
	c.Check(patternToCheckEverything[43].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[44].pattern, Equals, " ")
	c.Check(patternToCheckEverything[44].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[45].pattern, Equals, "ss")
	c.Check(patternToCheckEverything[45].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[46].pattern, Equals, " ")
	c.Check(patternToCheckEverything[46].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[47].pattern, Equals, "a")
	c.Check(patternToCheckEverything[47].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[48].pattern, Equals, " ")
	c.Check(patternToCheckEverything[48].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[49].pattern, Equals, "aaa")
	c.Check(patternToCheckEverything[49].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[50].pattern, Equals, " ")
	c.Check(patternToCheckEverything[50].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[51].pattern, Equals, "aaaa")
	c.Check(patternToCheckEverything[51].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[52].pattern, Equals, " ")
	c.Check(patternToCheckEverything[52].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[53].pattern, Equals, "aaaaa")
	c.Check(patternToCheckEverything[53].componentType, Equals, datetimePatternComponentUnit)
	c.Check(patternToCheckEverything[54].pattern, Equals, " ")
	c.Check(patternToCheckEverything[54].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[55].pattern, Equals, " ")
	c.Check(patternToCheckEverything[55].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[56].pattern, Equals, " ")
	c.Check(patternToCheckEverything[56].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[57].pattern, Equals, " ")
	c.Check(patternToCheckEverything[57].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[58].pattern, Equals, "literal")
	c.Check(patternToCheckEverything[58].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[59].pattern, Equals, ":")
	c.Check(patternToCheckEverything[59].componentType, Equals, datetimePatternComponentLiteral)
	c.Check(patternToCheckEverything[60].pattern, Equals, "literal")
	c.Check(patternToCheckEverything[60].componentType, Equals, datetimePatternComponentLiteral)

	// check bad-quote errors
	_, err = tEn.parseDateTimeFormat("'a")
	c.Check(err, NotNil)

	_, err = tEn.parseDateTimeFormat("a'")
	c.Check(err, NotNil)

	_, err = tEn.parseDateTimeFormat("a'a'a'a")
	c.Check(err, NotNil)
}

func (s *MySuite) TestGetDateTimePattern(c *C) {
	datetimePattern := "___-{0}-{1}-___"
	datePattern := "date"
	timePattern := "time"

	p := getDateTimePattern(datetimePattern, datePattern, timePattern)
	c.Check(p, Equals, "___-time-date-___")
}

func (s *MySuite) TestLastSequenceIndex(c *C) {
	str := "a"
	c.Check(lastSequenceIndex(str), Equals, 0)

	str = "aa"
	c.Check(lastSequenceIndex(str), Equals, 1)

	str = "aba"
	c.Check(lastSequenceIndex(str), Equals, 0)

	str = "aab"
	c.Check(lastSequenceIndex(str), Equals, 1)
}