1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330133113321333133413351336133713381339134013411342134313441345134613471348134913501351135213531354135513561357135813591360136113621363136413651366136713681369137013711372137313741375137613771378137913801381138213831384138513861387138813891390139113921393139413951396139713981399140014011402140314041405140614071408140914101411141214131414141514161417141814191420142114221423142414251426142714281429143014311432143314341435143614371438143914401441144214431444144514461447144814491450145114521453145414551456145714581459146014611462146314641465146614671468146914701471147214731474147514761477147814791480148114821483148414851486148714881489149014911492149314941495149614971498149915001501150215031504150515061507150815091510151115121513151415151516151715181519152015211522152315241525152615271528152915301531153215331534153515361537153815391540154115421543154415451546154715481549155015511552155315541555155615571558155915601561156215631564156515661567156815691570157115721573157415751576157715781579158015811582158315841585158615871588158915901591159215931594159515961597159815991600160116021603160416051606160716081609161016111612161316141615161616171618161916201621162216231624162516261627162816291630163116321633163416351636163716381639164016411642164316441645164616471648164916501651165216531654165516561657165816591660 |
- // Copyright 2009 The Go Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style
- // license that can be found in the LICENSE file.
- package time_test
- import (
- "bytes"
- "encoding/gob"
- "encoding/json"
- "fmt"
- "math"
- "math/big"
- "math/rand"
- "os"
- "runtime"
- "strings"
- "sync"
- "testing"
- "testing/quick"
- . "time"
- )
- // We should be in PST/PDT, but if the time zone files are missing we
- // won't be. The purpose of this test is to at least explain why some of
- // the subsequent tests fail.
- func TestZoneData(t *testing.T) {
- lt := Now()
- // PST is 8 hours west, PDT is 7 hours west. We could use the name but it's not unique.
- if name, off := lt.Zone(); off != -8*60*60 && off != -7*60*60 {
- t.Errorf("Unable to find US Pacific time zone data for testing; time zone is %q offset %d", name, off)
- t.Error("Likely problem: the time zone files have not been installed.")
- }
- }
- // parsedTime is the struct representing a parsed time value.
- type parsedTime struct {
- Year int
- Month Month
- Day int
- Hour, Minute, Second int // 15:04:05 is 15, 4, 5.
- Nanosecond int // Fractional second.
- Weekday Weekday
- ZoneOffset int // seconds east of UTC, e.g. -7*60*60 for -0700
- Zone string // e.g., "MST"
- }
- type TimeTest struct {
- seconds int64
- golden parsedTime
- }
- var utctests = []TimeTest{
- {0, parsedTime{1970, January, 1, 0, 0, 0, 0, Thursday, 0, "UTC"}},
- {1221681866, parsedTime{2008, September, 17, 20, 4, 26, 0, Wednesday, 0, "UTC"}},
- {-1221681866, parsedTime{1931, April, 16, 3, 55, 34, 0, Thursday, 0, "UTC"}},
- {-11644473600, parsedTime{1601, January, 1, 0, 0, 0, 0, Monday, 0, "UTC"}},
- {599529660, parsedTime{1988, December, 31, 0, 1, 0, 0, Saturday, 0, "UTC"}},
- {978220860, parsedTime{2000, December, 31, 0, 1, 0, 0, Sunday, 0, "UTC"}},
- }
- var nanoutctests = []TimeTest{
- {0, parsedTime{1970, January, 1, 0, 0, 0, 1e8, Thursday, 0, "UTC"}},
- {1221681866, parsedTime{2008, September, 17, 20, 4, 26, 2e8, Wednesday, 0, "UTC"}},
- }
- var localtests = []TimeTest{
- {0, parsedTime{1969, December, 31, 16, 0, 0, 0, Wednesday, -8 * 60 * 60, "PST"}},
- {1221681866, parsedTime{2008, September, 17, 13, 4, 26, 0, Wednesday, -7 * 60 * 60, "PDT"}},
- {2159200800, parsedTime{2038, June, 3, 11, 0, 0, 0, Thursday, -7 * 60 * 60, "PDT"}},
- {2152173599, parsedTime{2038, March, 14, 1, 59, 59, 0, Sunday, -8 * 60 * 60, "PST"}},
- {2152173600, parsedTime{2038, March, 14, 3, 0, 0, 0, Sunday, -7 * 60 * 60, "PDT"}},
- {2152173601, parsedTime{2038, March, 14, 3, 0, 1, 0, Sunday, -7 * 60 * 60, "PDT"}},
- {2172733199, parsedTime{2038, November, 7, 1, 59, 59, 0, Sunday, -7 * 60 * 60, "PDT"}},
- {2172733200, parsedTime{2038, November, 7, 1, 0, 0, 0, Sunday, -8 * 60 * 60, "PST"}},
- {2172733201, parsedTime{2038, November, 7, 1, 0, 1, 0, Sunday, -8 * 60 * 60, "PST"}},
- }
- var nanolocaltests = []TimeTest{
- {0, parsedTime{1969, December, 31, 16, 0, 0, 1e8, Wednesday, -8 * 60 * 60, "PST"}},
- {1221681866, parsedTime{2008, September, 17, 13, 4, 26, 3e8, Wednesday, -7 * 60 * 60, "PDT"}},
- }
- func same(t Time, u *parsedTime) bool {
- // Check aggregates.
- year, month, day := t.Date()
- hour, min, sec := t.Clock()
- name, offset := t.Zone()
- if year != u.Year || month != u.Month || day != u.Day ||
- hour != u.Hour || min != u.Minute || sec != u.Second ||
- name != u.Zone || offset != u.ZoneOffset {
- return false
- }
- // Check individual entries.
- return t.Year() == u.Year &&
- t.Month() == u.Month &&
- t.Day() == u.Day &&
- t.Hour() == u.Hour &&
- t.Minute() == u.Minute &&
- t.Second() == u.Second &&
- t.Nanosecond() == u.Nanosecond &&
- t.Weekday() == u.Weekday
- }
- func TestSecondsToUTC(t *testing.T) {
- for _, test := range utctests {
- sec := test.seconds
- golden := &test.golden
- tm := Unix(sec, 0).UTC()
- newsec := tm.Unix()
- if newsec != sec {
- t.Errorf("SecondsToUTC(%d).Seconds() = %d", sec, newsec)
- }
- if !same(tm, golden) {
- t.Errorf("SecondsToUTC(%d): // %#v", sec, tm)
- t.Errorf(" want=%+v", *golden)
- t.Errorf(" have=%v", tm.Format(RFC3339+" MST"))
- }
- }
- }
- func TestNanosecondsToUTC(t *testing.T) {
- for _, test := range nanoutctests {
- golden := &test.golden
- nsec := test.seconds*1e9 + int64(golden.Nanosecond)
- tm := Unix(0, nsec).UTC()
- newnsec := tm.Unix()*1e9 + int64(tm.Nanosecond())
- if newnsec != nsec {
- t.Errorf("NanosecondsToUTC(%d).Nanoseconds() = %d", nsec, newnsec)
- }
- if !same(tm, golden) {
- t.Errorf("NanosecondsToUTC(%d):", nsec)
- t.Errorf(" want=%+v", *golden)
- t.Errorf(" have=%+v", tm.Format(RFC3339+" MST"))
- }
- }
- }
- func TestSecondsToLocalTime(t *testing.T) {
- for _, test := range localtests {
- sec := test.seconds
- golden := &test.golden
- tm := Unix(sec, 0)
- newsec := tm.Unix()
- if newsec != sec {
- t.Errorf("SecondsToLocalTime(%d).Seconds() = %d", sec, newsec)
- }
- if !same(tm, golden) {
- t.Errorf("SecondsToLocalTime(%d):", sec)
- t.Errorf(" want=%+v", *golden)
- t.Errorf(" have=%+v", tm.Format(RFC3339+" MST"))
- }
- }
- }
- func TestNanosecondsToLocalTime(t *testing.T) {
- for _, test := range nanolocaltests {
- golden := &test.golden
- nsec := test.seconds*1e9 + int64(golden.Nanosecond)
- tm := Unix(0, nsec)
- newnsec := tm.Unix()*1e9 + int64(tm.Nanosecond())
- if newnsec != nsec {
- t.Errorf("NanosecondsToLocalTime(%d).Seconds() = %d", nsec, newnsec)
- }
- if !same(tm, golden) {
- t.Errorf("NanosecondsToLocalTime(%d):", nsec)
- t.Errorf(" want=%+v", *golden)
- t.Errorf(" have=%+v", tm.Format(RFC3339+" MST"))
- }
- }
- }
- func TestSecondsToUTCAndBack(t *testing.T) {
- f := func(sec int64) bool { return Unix(sec, 0).UTC().Unix() == sec }
- f32 := func(sec int32) bool { return f(int64(sec)) }
- cfg := &quick.Config{MaxCount: 10000}
- // Try a reasonable date first, then the huge ones.
- if err := quick.Check(f32, cfg); err != nil {
- t.Fatal(err)
- }
- if err := quick.Check(f, cfg); err != nil {
- t.Fatal(err)
- }
- }
- func TestNanosecondsToUTCAndBack(t *testing.T) {
- f := func(nsec int64) bool {
- t := Unix(0, nsec).UTC()
- ns := t.Unix()*1e9 + int64(t.Nanosecond())
- return ns == nsec
- }
- f32 := func(nsec int32) bool { return f(int64(nsec)) }
- cfg := &quick.Config{MaxCount: 10000}
- // Try a small date first, then the large ones. (The span is only a few hundred years
- // for nanoseconds in an int64.)
- if err := quick.Check(f32, cfg); err != nil {
- t.Fatal(err)
- }
- if err := quick.Check(f, cfg); err != nil {
- t.Fatal(err)
- }
- }
- func TestUnixMilli(t *testing.T) {
- f := func(msec int64) bool {
- t := UnixMilli(msec)
- return t.UnixMilli() == msec
- }
- cfg := &quick.Config{MaxCount: 10000}
- if err := quick.Check(f, cfg); err != nil {
- t.Fatal(err)
- }
- }
- func TestUnixMicro(t *testing.T) {
- f := func(usec int64) bool {
- t := UnixMicro(usec)
- return t.UnixMicro() == usec
- }
- cfg := &quick.Config{MaxCount: 10000}
- if err := quick.Check(f, cfg); err != nil {
- t.Fatal(err)
- }
- }
- // The time routines provide no way to get absolute time
- // (seconds since zero), but we need it to compute the right
- // answer for bizarre roundings like "to the nearest 3 ns".
- // Compute as t - year1 = (t - 1970) + (1970 - 2001) + (2001 - 1).
- // t - 1970 is returned by Unix and Nanosecond.
- // 1970 - 2001 is -(31*365+8)*86400 = -978307200 seconds.
- // 2001 - 1 is 2000*365.2425*86400 = 63113904000 seconds.
- const unixToZero = -978307200 + 63113904000
- // abs returns the absolute time stored in t, as seconds and nanoseconds.
- func abs(t Time) (sec, nsec int64) {
- unix := t.Unix()
- nano := t.Nanosecond()
- return unix + unixToZero, int64(nano)
- }
- // absString returns abs as a decimal string.
- func absString(t Time) string {
- sec, nsec := abs(t)
- if sec < 0 {
- sec = -sec
- nsec = -nsec
- if nsec < 0 {
- nsec += 1e9
- sec--
- }
- return fmt.Sprintf("-%d%09d", sec, nsec)
- }
- return fmt.Sprintf("%d%09d", sec, nsec)
- }
- var truncateRoundTests = []struct {
- t Time
- d Duration
- }{
- {Date(-1, January, 1, 12, 15, 30, 5e8, UTC), 3},
- {Date(-1, January, 1, 12, 15, 31, 5e8, UTC), 3},
- {Date(2012, January, 1, 12, 15, 30, 5e8, UTC), Second},
- {Date(2012, January, 1, 12, 15, 31, 5e8, UTC), Second},
- {Unix(-19012425939, 649146258), 7435029458905025217}, // 5.8*d rounds to 6*d, but .8*d+.8*d < 0 < d
- }
- func TestTruncateRound(t *testing.T) {
- var (
- bsec = new(big.Int)
- bnsec = new(big.Int)
- bd = new(big.Int)
- bt = new(big.Int)
- br = new(big.Int)
- bq = new(big.Int)
- b1e9 = new(big.Int)
- )
- b1e9.SetInt64(1e9)
- testOne := func(ti, tns, di int64) bool {
- t0 := Unix(ti, int64(tns)).UTC()
- d := Duration(di)
- if d < 0 {
- d = -d
- }
- if d <= 0 {
- d = 1
- }
- // Compute bt = absolute nanoseconds.
- sec, nsec := abs(t0)
- bsec.SetInt64(sec)
- bnsec.SetInt64(nsec)
- bt.Mul(bsec, b1e9)
- bt.Add(bt, bnsec)
- // Compute quotient and remainder mod d.
- bd.SetInt64(int64(d))
- bq.DivMod(bt, bd, br)
- // To truncate, subtract remainder.
- // br is < d, so it fits in an int64.
- r := br.Int64()
- t1 := t0.Add(-Duration(r))
- // Check that time.Truncate works.
- if trunc := t0.Truncate(d); trunc != t1 {
- t.Errorf("Time.Truncate(%s, %s) = %s, want %s\n"+
- "%v trunc %v =\n%v want\n%v",
- t0.Format(RFC3339Nano), d, trunc, t1.Format(RFC3339Nano),
- absString(t0), int64(d), absString(trunc), absString(t1))
- return false
- }
- // To round, add d back if remainder r > d/2 or r == exactly d/2.
- // The commented out code would round half to even instead of up,
- // but that makes it time-zone dependent, which is a bit strange.
- if r > int64(d)/2 || r+r == int64(d) /*&& bq.Bit(0) == 1*/ {
- t1 = t1.Add(Duration(d))
- }
- // Check that time.Round works.
- if rnd := t0.Round(d); rnd != t1 {
- t.Errorf("Time.Round(%s, %s) = %s, want %s\n"+
- "%v round %v =\n%v want\n%v",
- t0.Format(RFC3339Nano), d, rnd, t1.Format(RFC3339Nano),
- absString(t0), int64(d), absString(rnd), absString(t1))
- return false
- }
- return true
- }
- // manual test cases
- for _, tt := range truncateRoundTests {
- testOne(tt.t.Unix(), int64(tt.t.Nanosecond()), int64(tt.d))
- }
- // exhaustive near 0
- for i := 0; i < 100; i++ {
- for j := 1; j < 100; j++ {
- testOne(unixToZero, int64(i), int64(j))
- testOne(unixToZero, -int64(i), int64(j))
- if t.Failed() {
- return
- }
- }
- }
- if t.Failed() {
- return
- }
- // randomly generated test cases
- cfg := &quick.Config{MaxCount: 100000}
- if testing.Short() {
- cfg.MaxCount = 1000
- }
- // divisors of Second
- f1 := func(ti int64, tns int32, logdi int32) bool {
- d := Duration(1)
- a, b := uint(logdi%9), (logdi>>16)%9
- d <<= a
- for i := 0; i < int(b); i++ {
- d *= 5
- }
- return testOne(ti, int64(tns), int64(d))
- }
- quick.Check(f1, cfg)
- // multiples of Second
- f2 := func(ti int64, tns int32, di int32) bool {
- d := Duration(di) * Second
- if d < 0 {
- d = -d
- }
- return testOne(ti, int64(tns), int64(d))
- }
- quick.Check(f2, cfg)
- // halfway cases
- f3 := func(tns, di int64) bool {
- di &= 0xfffffffe
- if di == 0 {
- di = 2
- }
- tns -= tns % di
- if tns < 0 {
- tns += di / 2
- } else {
- tns -= di / 2
- }
- return testOne(0, tns, di)
- }
- quick.Check(f3, cfg)
- // full generality
- f4 := func(ti int64, tns int32, di int64) bool {
- return testOne(ti, int64(tns), di)
- }
- quick.Check(f4, cfg)
- }
- type ISOWeekTest struct {
- year int // year
- month, day int // month and day
- yex int // expected year
- wex int // expected week
- }
- var isoWeekTests = []ISOWeekTest{
- {1981, 1, 1, 1981, 1}, {1982, 1, 1, 1981, 53}, {1983, 1, 1, 1982, 52},
- {1984, 1, 1, 1983, 52}, {1985, 1, 1, 1985, 1}, {1986, 1, 1, 1986, 1},
- {1987, 1, 1, 1987, 1}, {1988, 1, 1, 1987, 53}, {1989, 1, 1, 1988, 52},
- {1990, 1, 1, 1990, 1}, {1991, 1, 1, 1991, 1}, {1992, 1, 1, 1992, 1},
- {1993, 1, 1, 1992, 53}, {1994, 1, 1, 1993, 52}, {1995, 1, 2, 1995, 1},
- {1996, 1, 1, 1996, 1}, {1996, 1, 7, 1996, 1}, {1996, 1, 8, 1996, 2},
- {1997, 1, 1, 1997, 1}, {1998, 1, 1, 1998, 1}, {1999, 1, 1, 1998, 53},
- {2000, 1, 1, 1999, 52}, {2001, 1, 1, 2001, 1}, {2002, 1, 1, 2002, 1},
- {2003, 1, 1, 2003, 1}, {2004, 1, 1, 2004, 1}, {2005, 1, 1, 2004, 53},
- {2006, 1, 1, 2005, 52}, {2007, 1, 1, 2007, 1}, {2008, 1, 1, 2008, 1},
- {2009, 1, 1, 2009, 1}, {2010, 1, 1, 2009, 53}, {2010, 1, 1, 2009, 53},
- {2011, 1, 1, 2010, 52}, {2011, 1, 2, 2010, 52}, {2011, 1, 3, 2011, 1},
- {2011, 1, 4, 2011, 1}, {2011, 1, 5, 2011, 1}, {2011, 1, 6, 2011, 1},
- {2011, 1, 7, 2011, 1}, {2011, 1, 8, 2011, 1}, {2011, 1, 9, 2011, 1},
- {2011, 1, 10, 2011, 2}, {2011, 1, 11, 2011, 2}, {2011, 6, 12, 2011, 23},
- {2011, 6, 13, 2011, 24}, {2011, 12, 25, 2011, 51}, {2011, 12, 26, 2011, 52},
- {2011, 12, 27, 2011, 52}, {2011, 12, 28, 2011, 52}, {2011, 12, 29, 2011, 52},
- {2011, 12, 30, 2011, 52}, {2011, 12, 31, 2011, 52}, {1995, 1, 1, 1994, 52},
- {2012, 1, 1, 2011, 52}, {2012, 1, 2, 2012, 1}, {2012, 1, 8, 2012, 1},
- {2012, 1, 9, 2012, 2}, {2012, 12, 23, 2012, 51}, {2012, 12, 24, 2012, 52},
- {2012, 12, 30, 2012, 52}, {2012, 12, 31, 2013, 1}, {2013, 1, 1, 2013, 1},
- {2013, 1, 6, 2013, 1}, {2013, 1, 7, 2013, 2}, {2013, 12, 22, 2013, 51},
- {2013, 12, 23, 2013, 52}, {2013, 12, 29, 2013, 52}, {2013, 12, 30, 2014, 1},
- {2014, 1, 1, 2014, 1}, {2014, 1, 5, 2014, 1}, {2014, 1, 6, 2014, 2},
- {2015, 1, 1, 2015, 1}, {2016, 1, 1, 2015, 53}, {2017, 1, 1, 2016, 52},
- {2018, 1, 1, 2018, 1}, {2019, 1, 1, 2019, 1}, {2020, 1, 1, 2020, 1},
- {2021, 1, 1, 2020, 53}, {2022, 1, 1, 2021, 52}, {2023, 1, 1, 2022, 52},
- {2024, 1, 1, 2024, 1}, {2025, 1, 1, 2025, 1}, {2026, 1, 1, 2026, 1},
- {2027, 1, 1, 2026, 53}, {2028, 1, 1, 2027, 52}, {2029, 1, 1, 2029, 1},
- {2030, 1, 1, 2030, 1}, {2031, 1, 1, 2031, 1}, {2032, 1, 1, 2032, 1},
- {2033, 1, 1, 2032, 53}, {2034, 1, 1, 2033, 52}, {2035, 1, 1, 2035, 1},
- {2036, 1, 1, 2036, 1}, {2037, 1, 1, 2037, 1}, {2038, 1, 1, 2037, 53},
- {2039, 1, 1, 2038, 52}, {2040, 1, 1, 2039, 52},
- }
- func TestISOWeek(t *testing.T) {
- // Selected dates and corner cases
- for _, wt := range isoWeekTests {
- dt := Date(wt.year, Month(wt.month), wt.day, 0, 0, 0, 0, UTC)
- y, w := dt.ISOWeek()
- if w != wt.wex || y != wt.yex {
- t.Errorf("got %d/%d; expected %d/%d for %d-%02d-%02d",
- y, w, wt.yex, wt.wex, wt.year, wt.month, wt.day)
- }
- }
- // The only real invariant: Jan 04 is in week 1
- for year := 1950; year < 2100; year++ {
- if y, w := Date(year, January, 4, 0, 0, 0, 0, UTC).ISOWeek(); y != year || w != 1 {
- t.Errorf("got %d/%d; expected %d/1 for Jan 04", y, w, year)
- }
- }
- }
- type YearDayTest struct {
- year, month, day int
- yday int
- }
- // Test YearDay in several different scenarios
- // and corner cases
- var yearDayTests = []YearDayTest{
- // Non-leap-year tests
- {2007, 1, 1, 1},
- {2007, 1, 15, 15},
- {2007, 2, 1, 32},
- {2007, 2, 15, 46},
- {2007, 3, 1, 60},
- {2007, 3, 15, 74},
- {2007, 4, 1, 91},
- {2007, 12, 31, 365},
- // Leap-year tests
- {2008, 1, 1, 1},
- {2008, 1, 15, 15},
- {2008, 2, 1, 32},
- {2008, 2, 15, 46},
- {2008, 3, 1, 61},
- {2008, 3, 15, 75},
- {2008, 4, 1, 92},
- {2008, 12, 31, 366},
- // Looks like leap-year (but isn't) tests
- {1900, 1, 1, 1},
- {1900, 1, 15, 15},
- {1900, 2, 1, 32},
- {1900, 2, 15, 46},
- {1900, 3, 1, 60},
- {1900, 3, 15, 74},
- {1900, 4, 1, 91},
- {1900, 12, 31, 365},
- // Year one tests (non-leap)
- {1, 1, 1, 1},
- {1, 1, 15, 15},
- {1, 2, 1, 32},
- {1, 2, 15, 46},
- {1, 3, 1, 60},
- {1, 3, 15, 74},
- {1, 4, 1, 91},
- {1, 12, 31, 365},
- // Year minus one tests (non-leap)
- {-1, 1, 1, 1},
- {-1, 1, 15, 15},
- {-1, 2, 1, 32},
- {-1, 2, 15, 46},
- {-1, 3, 1, 60},
- {-1, 3, 15, 74},
- {-1, 4, 1, 91},
- {-1, 12, 31, 365},
- // 400 BC tests (leap-year)
- {-400, 1, 1, 1},
- {-400, 1, 15, 15},
- {-400, 2, 1, 32},
- {-400, 2, 15, 46},
- {-400, 3, 1, 61},
- {-400, 3, 15, 75},
- {-400, 4, 1, 92},
- {-400, 12, 31, 366},
- // Special Cases
- // Gregorian calendar change (no effect)
- {1582, 10, 4, 277},
- {1582, 10, 15, 288},
- }
- // Check to see if YearDay is location sensitive
- var yearDayLocations = []*Location{
- FixedZone("UTC-8", -8*60*60),
- FixedZone("UTC-4", -4*60*60),
- UTC,
- FixedZone("UTC+4", 4*60*60),
- FixedZone("UTC+8", 8*60*60),
- }
- func TestYearDay(t *testing.T) {
- for i, loc := range yearDayLocations {
- for _, ydt := range yearDayTests {
- dt := Date(ydt.year, Month(ydt.month), ydt.day, 0, 0, 0, 0, loc)
- yday := dt.YearDay()
- if yday != ydt.yday {
- t.Errorf("Date(%d-%02d-%02d in %v).YearDay() = %d, want %d",
- ydt.year, ydt.month, ydt.day, loc, yday, ydt.yday)
- continue
- }
- if ydt.year < 0 || ydt.year > 9999 {
- continue
- }
- f := fmt.Sprintf("%04d-%02d-%02d %03d %+.2d00",
- ydt.year, ydt.month, ydt.day, ydt.yday, (i-2)*4)
- dt1, err := Parse("2006-01-02 002 -0700", f)
- if err != nil {
- t.Errorf(`Parse("2006-01-02 002 -0700", %q): %v`, f, err)
- continue
- }
- if !dt1.Equal(dt) {
- t.Errorf(`Parse("2006-01-02 002 -0700", %q) = %v, want %v`, f, dt1, dt)
- }
- }
- }
- }
- var durationTests = []struct {
- str string
- d Duration
- }{
- {"0s", 0},
- {"1ns", 1 * Nanosecond},
- {"1.1µs", 1100 * Nanosecond},
- {"2.2ms", 2200 * Microsecond},
- {"3.3s", 3300 * Millisecond},
- {"4m5s", 4*Minute + 5*Second},
- {"4m5.001s", 4*Minute + 5001*Millisecond},
- {"5h6m7.001s", 5*Hour + 6*Minute + 7001*Millisecond},
- {"8m0.000000001s", 8*Minute + 1*Nanosecond},
- {"2562047h47m16.854775807s", 1<<63 - 1},
- {"-2562047h47m16.854775808s", -1 << 63},
- }
- func TestDurationString(t *testing.T) {
- for _, tt := range durationTests {
- if str := tt.d.String(); str != tt.str {
- t.Errorf("Duration(%d).String() = %s, want %s", int64(tt.d), str, tt.str)
- }
- if tt.d > 0 {
- if str := (-tt.d).String(); str != "-"+tt.str {
- t.Errorf("Duration(%d).String() = %s, want %s", int64(-tt.d), str, "-"+tt.str)
- }
- }
- }
- }
- var dateTests = []struct {
- year, month, day, hour, min, sec, nsec int
- z *Location
- unix int64
- }{
- {2011, 11, 6, 1, 0, 0, 0, Local, 1320566400}, // 1:00:00 PDT
- {2011, 11, 6, 1, 59, 59, 0, Local, 1320569999}, // 1:59:59 PDT
- {2011, 11, 6, 2, 0, 0, 0, Local, 1320573600}, // 2:00:00 PST
- {2011, 3, 13, 1, 0, 0, 0, Local, 1300006800}, // 1:00:00 PST
- {2011, 3, 13, 1, 59, 59, 0, Local, 1300010399}, // 1:59:59 PST
- {2011, 3, 13, 3, 0, 0, 0, Local, 1300010400}, // 3:00:00 PDT
- {2011, 3, 13, 2, 30, 0, 0, Local, 1300008600}, // 2:30:00 PDT ≡ 1:30 PST
- {2012, 12, 24, 0, 0, 0, 0, Local, 1356336000}, // Leap year
- // Many names for Fri Nov 18 7:56:35 PST 2011
- {2011, 11, 18, 7, 56, 35, 0, Local, 1321631795}, // Nov 18 7:56:35
- {2011, 11, 19, -17, 56, 35, 0, Local, 1321631795}, // Nov 19 -17:56:35
- {2011, 11, 17, 31, 56, 35, 0, Local, 1321631795}, // Nov 17 31:56:35
- {2011, 11, 18, 6, 116, 35, 0, Local, 1321631795}, // Nov 18 6:116:35
- {2011, 10, 49, 7, 56, 35, 0, Local, 1321631795}, // Oct 49 7:56:35
- {2011, 11, 18, 7, 55, 95, 0, Local, 1321631795}, // Nov 18 7:55:95
- {2011, 11, 18, 7, 56, 34, 1e9, Local, 1321631795}, // Nov 18 7:56:34 + 10⁹ns
- {2011, 12, -12, 7, 56, 35, 0, Local, 1321631795}, // Dec -21 7:56:35
- {2012, 1, -43, 7, 56, 35, 0, Local, 1321631795}, // Jan -52 7:56:35 2012
- {2012, int(January - 2), 18, 7, 56, 35, 0, Local, 1321631795}, // (Jan-2) 18 7:56:35 2012
- {2010, int(December + 11), 18, 7, 56, 35, 0, Local, 1321631795}, // (Dec+11) 18 7:56:35 2010
- }
- func TestDate(t *testing.T) {
- for _, tt := range dateTests {
- time := Date(tt.year, Month(tt.month), tt.day, tt.hour, tt.min, tt.sec, tt.nsec, tt.z)
- want := Unix(tt.unix, 0)
- if !time.Equal(want) {
- t.Errorf("Date(%d, %d, %d, %d, %d, %d, %d, %s) = %v, want %v",
- tt.year, tt.month, tt.day, tt.hour, tt.min, tt.sec, tt.nsec, tt.z,
- time, want)
- }
- }
- }
- // Several ways of getting from
- // Fri Nov 18 7:56:35 PST 2011
- // to
- // Thu Mar 19 7:56:35 PST 2016
- var addDateTests = []struct {
- years, months, days int
- }{
- {4, 4, 1},
- {3, 16, 1},
- {3, 15, 30},
- {5, -6, -18 - 30 - 12},
- }
- func TestAddDate(t *testing.T) {
- t0 := Date(2011, 11, 18, 7, 56, 35, 0, UTC)
- t1 := Date(2016, 3, 19, 7, 56, 35, 0, UTC)
- for _, at := range addDateTests {
- time := t0.AddDate(at.years, at.months, at.days)
- if !time.Equal(t1) {
- t.Errorf("AddDate(%d, %d, %d) = %v, want %v",
- at.years, at.months, at.days,
- time, t1)
- }
- }
- }
- var daysInTests = []struct {
- year, month, di int
- }{
- {2011, 1, 31}, // January, first month, 31 days
- {2011, 2, 28}, // February, non-leap year, 28 days
- {2012, 2, 29}, // February, leap year, 29 days
- {2011, 6, 30}, // June, 30 days
- {2011, 12, 31}, // December, last month, 31 days
- }
- func TestDaysIn(t *testing.T) {
- // The daysIn function is not exported.
- // Test the daysIn function via the `var DaysIn = daysIn`
- // statement in the internal_test.go file.
- for _, tt := range daysInTests {
- di := DaysIn(Month(tt.month), tt.year)
- if di != tt.di {
- t.Errorf("got %d; expected %d for %d-%02d",
- di, tt.di, tt.year, tt.month)
- }
- }
- }
- func TestAddToExactSecond(t *testing.T) {
- // Add an amount to the current time to round it up to the next exact second.
- // This test checks that the nsec field still lies within the range [0, 999999999].
- t1 := Now()
- t2 := t1.Add(Second - Duration(t1.Nanosecond()))
- sec := (t1.Second() + 1) % 60
- if t2.Second() != sec || t2.Nanosecond() != 0 {
- t.Errorf("sec = %d, nsec = %d, want sec = %d, nsec = 0", t2.Second(), t2.Nanosecond(), sec)
- }
- }
- func equalTimeAndZone(a, b Time) bool {
- aname, aoffset := a.Zone()
- bname, boffset := b.Zone()
- return a.Equal(b) && aoffset == boffset && aname == bname
- }
- var gobTests = []Time{
- Date(0, 1, 2, 3, 4, 5, 6, UTC),
- Date(7, 8, 9, 10, 11, 12, 13, FixedZone("", 0)),
- Unix(81985467080890095, 0x76543210), // Time.sec: 0x0123456789ABCDEF
- {}, // nil location
- Date(1, 2, 3, 4, 5, 6, 7, FixedZone("", 32767*60)),
- Date(1, 2, 3, 4, 5, 6, 7, FixedZone("", -32768*60)),
- }
- func TestTimeGob(t *testing.T) {
- var b bytes.Buffer
- enc := gob.NewEncoder(&b)
- dec := gob.NewDecoder(&b)
- for _, tt := range gobTests {
- var gobtt Time
- if err := enc.Encode(&tt); err != nil {
- t.Errorf("%v gob Encode error = %q, want nil", tt, err)
- } else if err := dec.Decode(&gobtt); err != nil {
- t.Errorf("%v gob Decode error = %q, want nil", tt, err)
- } else if !equalTimeAndZone(gobtt, tt) {
- t.Errorf("Decoded time = %v, want %v", gobtt, tt)
- }
- b.Reset()
- }
- }
- var invalidEncodingTests = []struct {
- bytes []byte
- want string
- }{
- {[]byte{}, "Time.UnmarshalBinary: no data"},
- {[]byte{0, 2, 3}, "Time.UnmarshalBinary: unsupported version"},
- {[]byte{1, 2, 3}, "Time.UnmarshalBinary: invalid length"},
- }
- func TestInvalidTimeGob(t *testing.T) {
- for _, tt := range invalidEncodingTests {
- var ignored Time
- err := ignored.GobDecode(tt.bytes)
- if err == nil || err.Error() != tt.want {
- t.Errorf("time.GobDecode(%#v) error = %v, want %v", tt.bytes, err, tt.want)
- }
- err = ignored.UnmarshalBinary(tt.bytes)
- if err == nil || err.Error() != tt.want {
- t.Errorf("time.UnmarshalBinary(%#v) error = %v, want %v", tt.bytes, err, tt.want)
- }
- }
- }
- var notEncodableTimes = []struct {
- time Time
- want string
- }{
- {Date(0, 1, 2, 3, 4, 5, 6, FixedZone("", -1*60)), "Time.MarshalBinary: unexpected zone offset"},
- {Date(0, 1, 2, 3, 4, 5, 6, FixedZone("", -32769*60)), "Time.MarshalBinary: unexpected zone offset"},
- {Date(0, 1, 2, 3, 4, 5, 6, FixedZone("", 32768*60)), "Time.MarshalBinary: unexpected zone offset"},
- }
- func TestNotGobEncodableTime(t *testing.T) {
- for _, tt := range notEncodableTimes {
- _, err := tt.time.GobEncode()
- if err == nil || err.Error() != tt.want {
- t.Errorf("%v GobEncode error = %v, want %v", tt.time, err, tt.want)
- }
- _, err = tt.time.MarshalBinary()
- if err == nil || err.Error() != tt.want {
- t.Errorf("%v MarshalBinary error = %v, want %v", tt.time, err, tt.want)
- }
- }
- }
- var jsonTests = []struct {
- time Time
- json string
- }{
- {Date(9999, 4, 12, 23, 20, 50, 520*1e6, UTC), `"9999-04-12T23:20:50.52Z"`},
- {Date(1996, 12, 19, 16, 39, 57, 0, Local), `"1996-12-19T16:39:57-08:00"`},
- {Date(0, 1, 1, 0, 0, 0, 1, FixedZone("", 1*60)), `"0000-01-01T00:00:00.000000001+00:01"`},
- }
- func TestTimeJSON(t *testing.T) {
- for _, tt := range jsonTests {
- var jsonTime Time
- if jsonBytes, err := json.Marshal(tt.time); err != nil {
- t.Errorf("%v json.Marshal error = %v, want nil", tt.time, err)
- } else if string(jsonBytes) != tt.json {
- t.Errorf("%v JSON = %#q, want %#q", tt.time, string(jsonBytes), tt.json)
- } else if err = json.Unmarshal(jsonBytes, &jsonTime); err != nil {
- t.Errorf("%v json.Unmarshal error = %v, want nil", tt.time, err)
- } else if !equalTimeAndZone(jsonTime, tt.time) {
- t.Errorf("Unmarshaled time = %v, want %v", jsonTime, tt.time)
- }
- }
- }
- func TestInvalidTimeJSON(t *testing.T) {
- var tt Time
- err := json.Unmarshal([]byte(`{"now is the time":"buddy"}`), &tt)
- _, isParseErr := err.(*ParseError)
- if !isParseErr {
- t.Errorf("expected *time.ParseError unmarshaling JSON, got %v", err)
- }
- }
- var notJSONEncodableTimes = []struct {
- time Time
- want string
- }{
- {Date(10000, 1, 1, 0, 0, 0, 0, UTC), "Time.MarshalJSON: year outside of range [0,9999]"},
- {Date(-1, 1, 1, 0, 0, 0, 0, UTC), "Time.MarshalJSON: year outside of range [0,9999]"},
- }
- func TestNotJSONEncodableTime(t *testing.T) {
- for _, tt := range notJSONEncodableTimes {
- _, err := tt.time.MarshalJSON()
- if err == nil || err.Error() != tt.want {
- t.Errorf("%v MarshalJSON error = %v, want %v", tt.time, err, tt.want)
- }
- }
- }
- var parseDurationTests = []struct {
- in string
- want Duration
- }{
- // simple
- {"0", 0},
- {"5s", 5 * Second},
- {"30s", 30 * Second},
- {"1478s", 1478 * Second},
- // sign
- {"-5s", -5 * Second},
- {"+5s", 5 * Second},
- {"-0", 0},
- {"+0", 0},
- // decimal
- {"5.0s", 5 * Second},
- {"5.6s", 5*Second + 600*Millisecond},
- {"5.s", 5 * Second},
- {".5s", 500 * Millisecond},
- {"1.0s", 1 * Second},
- {"1.00s", 1 * Second},
- {"1.004s", 1*Second + 4*Millisecond},
- {"1.0040s", 1*Second + 4*Millisecond},
- {"100.00100s", 100*Second + 1*Millisecond},
- // different units
- {"10ns", 10 * Nanosecond},
- {"11us", 11 * Microsecond},
- {"12µs", 12 * Microsecond}, // U+00B5
- {"12μs", 12 * Microsecond}, // U+03BC
- {"13ms", 13 * Millisecond},
- {"14s", 14 * Second},
- {"15m", 15 * Minute},
- {"16h", 16 * Hour},
- // composite durations
- {"3h30m", 3*Hour + 30*Minute},
- {"10.5s4m", 4*Minute + 10*Second + 500*Millisecond},
- {"-2m3.4s", -(2*Minute + 3*Second + 400*Millisecond)},
- {"1h2m3s4ms5us6ns", 1*Hour + 2*Minute + 3*Second + 4*Millisecond + 5*Microsecond + 6*Nanosecond},
- {"39h9m14.425s", 39*Hour + 9*Minute + 14*Second + 425*Millisecond},
- // large value
- {"52763797000ns", 52763797000 * Nanosecond},
- // more than 9 digits after decimal point, see https://golang.org/issue/6617
- {"0.3333333333333333333h", 20 * Minute},
- // 9007199254740993 = 1<<53+1 cannot be stored precisely in a float64
- {"9007199254740993ns", (1<<53 + 1) * Nanosecond},
- // largest duration that can be represented by int64 in nanoseconds
- {"9223372036854775807ns", (1<<63 - 1) * Nanosecond},
- {"9223372036854775.807us", (1<<63 - 1) * Nanosecond},
- {"9223372036s854ms775us807ns", (1<<63 - 1) * Nanosecond},
- {"-9223372036854775808ns", -1 << 63 * Nanosecond},
- {"-9223372036854775.808us", -1 << 63 * Nanosecond},
- {"-9223372036s854ms775us808ns", -1 << 63 * Nanosecond},
- // largest negative value
- {"-9223372036854775808ns", -1 << 63 * Nanosecond},
- // largest negative round trip value, see https://golang.org/issue/48629
- {"-2562047h47m16.854775808s", -1 << 63 * Nanosecond},
- // huge string; issue 15011.
- {"0.100000000000000000000h", 6 * Minute},
- // This value tests the first overflow check in leadingFraction.
- {"0.830103483285477580700h", 49*Minute + 48*Second + 372539827*Nanosecond},
- }
- func TestParseDuration(t *testing.T) {
- for _, tc := range parseDurationTests {
- d, err := ParseDuration(tc.in)
- if err != nil || d != tc.want {
- t.Errorf("ParseDuration(%q) = %v, %v, want %v, nil", tc.in, d, err, tc.want)
- }
- }
- }
- var parseDurationErrorTests = []struct {
- in string
- expect string
- }{
- // invalid
- {"", `""`},
- {"3", `"3"`},
- {"-", `"-"`},
- {"s", `"s"`},
- {".", `"."`},
- {"-.", `"-."`},
- {".s", `".s"`},
- {"+.s", `"+.s"`},
- {"1d", `"1d"`},
- {"\x85\x85", `"\x85\x85"`},
- {"\xffff", `"\xffff"`},
- {"hello \xffff world", `"hello \xffff world"`},
- {"\uFFFD", `"\xef\xbf\xbd"`}, // utf8.RuneError
- {"\uFFFD hello \uFFFD world", `"\xef\xbf\xbd hello \xef\xbf\xbd world"`}, // utf8.RuneError
- // overflow
- {"9223372036854775810ns", `"9223372036854775810ns"`},
- {"9223372036854775808ns", `"9223372036854775808ns"`},
- {"-9223372036854775809ns", `"-9223372036854775809ns"`},
- {"9223372036854776us", `"9223372036854776us"`},
- {"3000000h", `"3000000h"`},
- {"9223372036854775.808us", `"9223372036854775.808us"`},
- {"9223372036854ms775us808ns", `"9223372036854ms775us808ns"`},
- }
- func TestParseDurationErrors(t *testing.T) {
- for _, tc := range parseDurationErrorTests {
- _, err := ParseDuration(tc.in)
- if err == nil {
- t.Errorf("ParseDuration(%q) = _, nil, want _, non-nil", tc.in)
- } else if !strings.Contains(err.Error(), tc.expect) {
- t.Errorf("ParseDuration(%q) = _, %q, error does not contain %q", tc.in, err, tc.expect)
- }
- }
- }
- func TestParseDurationRoundTrip(t *testing.T) {
- // https://golang.org/issue/48629
- max0 := Duration(math.MaxInt64)
- max1, err := ParseDuration(max0.String())
- if err != nil || max0 != max1 {
- t.Errorf("round-trip failed: %d => %q => %d, %v", max0, max0.String(), max1, err)
- }
- min0 := Duration(math.MinInt64)
- min1, err := ParseDuration(min0.String())
- if err != nil || min0 != min1 {
- t.Errorf("round-trip failed: %d => %q => %d, %v", min0, min0.String(), min1, err)
- }
- for i := 0; i < 100; i++ {
- // Resolutions finer than milliseconds will result in
- // imprecise round-trips.
- d0 := Duration(rand.Int31()) * Millisecond
- s := d0.String()
- d1, err := ParseDuration(s)
- if err != nil || d0 != d1 {
- t.Errorf("round-trip failed: %d => %q => %d, %v", d0, s, d1, err)
- }
- }
- }
- // golang.org/issue/4622
- func TestLocationRace(t *testing.T) {
- ResetLocalOnceForTest() // reset the Once to trigger the race
- c := make(chan string, 1)
- go func() {
- c <- Now().String()
- }()
- _ = Now().String()
- <-c
- Sleep(100 * Millisecond)
- // Back to Los Angeles for subsequent tests:
- ForceUSPacificForTesting()
- }
- var (
- t Time
- u int64
- )
- var mallocTest = []struct {
- count int
- desc string
- fn func()
- }{
- {0, `time.Now()`, func() { t = Now() }},
- {0, `time.Now().UnixNano()`, func() { u = Now().UnixNano() }},
- {0, `time.Now().UnixMilli()`, func() { u = Now().UnixMilli() }},
- {0, `time.Now().UnixMicro()`, func() { u = Now().UnixMicro() }},
- }
- func TestCountMallocs(t *testing.T) {
- if testing.Short() {
- t.Skip("skipping malloc count in short mode")
- }
- if runtime.GOMAXPROCS(0) > 1 {
- t.Skip("skipping; GOMAXPROCS>1")
- }
- for _, mt := range mallocTest {
- allocs := int(testing.AllocsPerRun(100, mt.fn))
- if allocs > mt.count {
- t.Errorf("%s: %d allocs, want %d", mt.desc, allocs, mt.count)
- }
- }
- }
- func TestLoadFixed(t *testing.T) {
- // Issue 4064: handle locations without any zone transitions.
- loc, err := LoadLocation("Etc/GMT+1")
- if err != nil {
- t.Fatal(err)
- }
- // The tzdata name Etc/GMT+1 uses "east is negative",
- // but Go and most other systems use "east is positive".
- // So GMT+1 corresponds to -3600 in the Go zone, not +3600.
- name, offset := Now().In(loc).Zone()
- // The zone abbreviation is "-01" since tzdata-2016g, and "GMT+1"
- // on earlier versions; we accept both. (Issue #17276).
- if !(name == "GMT+1" || name == "-01") || offset != -1*60*60 {
- t.Errorf("Now().In(loc).Zone() = %q, %d, want %q or %q, %d",
- name, offset, "GMT+1", "-01", -1*60*60)
- }
- }
- const (
- minDuration Duration = -1 << 63
- maxDuration Duration = 1<<63 - 1
- )
- var subTests = []struct {
- t Time
- u Time
- d Duration
- }{
- {Time{}, Time{}, Duration(0)},
- {Date(2009, 11, 23, 0, 0, 0, 1, UTC), Date(2009, 11, 23, 0, 0, 0, 0, UTC), Duration(1)},
- {Date(2009, 11, 23, 0, 0, 0, 0, UTC), Date(2009, 11, 24, 0, 0, 0, 0, UTC), -24 * Hour},
- {Date(2009, 11, 24, 0, 0, 0, 0, UTC), Date(2009, 11, 23, 0, 0, 0, 0, UTC), 24 * Hour},
- {Date(-2009, 11, 24, 0, 0, 0, 0, UTC), Date(-2009, 11, 23, 0, 0, 0, 0, UTC), 24 * Hour},
- {Time{}, Date(2109, 11, 23, 0, 0, 0, 0, UTC), Duration(minDuration)},
- {Date(2109, 11, 23, 0, 0, 0, 0, UTC), Time{}, Duration(maxDuration)},
- {Time{}, Date(-2109, 11, 23, 0, 0, 0, 0, UTC), Duration(maxDuration)},
- {Date(-2109, 11, 23, 0, 0, 0, 0, UTC), Time{}, Duration(minDuration)},
- {Date(2290, 1, 1, 0, 0, 0, 0, UTC), Date(2000, 1, 1, 0, 0, 0, 0, UTC), 290*365*24*Hour + 71*24*Hour},
- {Date(2300, 1, 1, 0, 0, 0, 0, UTC), Date(2000, 1, 1, 0, 0, 0, 0, UTC), Duration(maxDuration)},
- {Date(2000, 1, 1, 0, 0, 0, 0, UTC), Date(2290, 1, 1, 0, 0, 0, 0, UTC), -290*365*24*Hour - 71*24*Hour},
- {Date(2000, 1, 1, 0, 0, 0, 0, UTC), Date(2300, 1, 1, 0, 0, 0, 0, UTC), Duration(minDuration)},
- {Date(2311, 11, 26, 02, 16, 47, 63535996, UTC), Date(2019, 8, 16, 2, 29, 30, 268436582, UTC), 9223372036795099414},
- {MinMonoTime, MaxMonoTime, minDuration},
- {MaxMonoTime, MinMonoTime, maxDuration},
- }
- func TestSub(t *testing.T) {
- for i, st := range subTests {
- got := st.t.Sub(st.u)
- if got != st.d {
- t.Errorf("#%d: Sub(%v, %v): got %v; want %v", i, st.t, st.u, got, st.d)
- }
- }
- }
- var nsDurationTests = []struct {
- d Duration
- want int64
- }{
- {Duration(-1000), -1000},
- {Duration(-1), -1},
- {Duration(1), 1},
- {Duration(1000), 1000},
- }
- func TestDurationNanoseconds(t *testing.T) {
- for _, tt := range nsDurationTests {
- if got := tt.d.Nanoseconds(); got != tt.want {
- t.Errorf("Duration(%s).Nanoseconds() = %d; want: %d", tt.d, got, tt.want)
- }
- }
- }
- var usDurationTests = []struct {
- d Duration
- want int64
- }{
- {Duration(-1000), -1},
- {Duration(1000), 1},
- }
- func TestDurationMicroseconds(t *testing.T) {
- for _, tt := range usDurationTests {
- if got := tt.d.Microseconds(); got != tt.want {
- t.Errorf("Duration(%s).Microseconds() = %d; want: %d", tt.d, got, tt.want)
- }
- }
- }
- var msDurationTests = []struct {
- d Duration
- want int64
- }{
- {Duration(-1000000), -1},
- {Duration(1000000), 1},
- }
- func TestDurationMilliseconds(t *testing.T) {
- for _, tt := range msDurationTests {
- if got := tt.d.Milliseconds(); got != tt.want {
- t.Errorf("Duration(%s).Milliseconds() = %d; want: %d", tt.d, got, tt.want)
- }
- }
- }
- var secDurationTests = []struct {
- d Duration
- want float64
- }{
- {Duration(300000000), 0.3},
- }
- func TestDurationSeconds(t *testing.T) {
- for _, tt := range secDurationTests {
- if got := tt.d.Seconds(); got != tt.want {
- t.Errorf("Duration(%s).Seconds() = %g; want: %g", tt.d, got, tt.want)
- }
- }
- }
- var minDurationTests = []struct {
- d Duration
- want float64
- }{
- {Duration(-60000000000), -1},
- {Duration(-1), -1 / 60e9},
- {Duration(1), 1 / 60e9},
- {Duration(60000000000), 1},
- {Duration(3000), 5e-8},
- }
- func TestDurationMinutes(t *testing.T) {
- for _, tt := range minDurationTests {
- if got := tt.d.Minutes(); got != tt.want {
- t.Errorf("Duration(%s).Minutes() = %g; want: %g", tt.d, got, tt.want)
- }
- }
- }
- var hourDurationTests = []struct {
- d Duration
- want float64
- }{
- {Duration(-3600000000000), -1},
- {Duration(-1), -1 / 3600e9},
- {Duration(1), 1 / 3600e9},
- {Duration(3600000000000), 1},
- {Duration(36), 1e-11},
- }
- func TestDurationHours(t *testing.T) {
- for _, tt := range hourDurationTests {
- if got := tt.d.Hours(); got != tt.want {
- t.Errorf("Duration(%s).Hours() = %g; want: %g", tt.d, got, tt.want)
- }
- }
- }
- var durationTruncateTests = []struct {
- d Duration
- m Duration
- want Duration
- }{
- {0, Second, 0},
- {Minute, -7 * Second, Minute},
- {Minute, 0, Minute},
- {Minute, 1, Minute},
- {Minute + 10*Second, 10 * Second, Minute + 10*Second},
- {2*Minute + 10*Second, Minute, 2 * Minute},
- {10*Minute + 10*Second, 3 * Minute, 9 * Minute},
- {Minute + 10*Second, Minute + 10*Second + 1, 0},
- {Minute + 10*Second, Hour, 0},
- {-Minute, Second, -Minute},
- {-10 * Minute, 3 * Minute, -9 * Minute},
- {-10 * Minute, Hour, 0},
- }
- func TestDurationTruncate(t *testing.T) {
- for _, tt := range durationTruncateTests {
- if got := tt.d.Truncate(tt.m); got != tt.want {
- t.Errorf("Duration(%s).Truncate(%s) = %s; want: %s", tt.d, tt.m, got, tt.want)
- }
- }
- }
- var durationRoundTests = []struct {
- d Duration
- m Duration
- want Duration
- }{
- {0, Second, 0},
- {Minute, -11 * Second, Minute},
- {Minute, 0, Minute},
- {Minute, 1, Minute},
- {2 * Minute, Minute, 2 * Minute},
- {2*Minute + 10*Second, Minute, 2 * Minute},
- {2*Minute + 30*Second, Minute, 3 * Minute},
- {2*Minute + 50*Second, Minute, 3 * Minute},
- {-Minute, 1, -Minute},
- {-2 * Minute, Minute, -2 * Minute},
- {-2*Minute - 10*Second, Minute, -2 * Minute},
- {-2*Minute - 30*Second, Minute, -3 * Minute},
- {-2*Minute - 50*Second, Minute, -3 * Minute},
- {8e18, 3e18, 9e18},
- {9e18, 5e18, 1<<63 - 1},
- {-8e18, 3e18, -9e18},
- {-9e18, 5e18, -1 << 63},
- {3<<61 - 1, 3 << 61, 3 << 61},
- }
- func TestDurationRound(t *testing.T) {
- for _, tt := range durationRoundTests {
- if got := tt.d.Round(tt.m); got != tt.want {
- t.Errorf("Duration(%s).Round(%s) = %s; want: %s", tt.d, tt.m, got, tt.want)
- }
- }
- }
- var defaultLocTests = []struct {
- name string
- f func(t1, t2 Time) bool
- }{
- {"After", func(t1, t2 Time) bool { return t1.After(t2) == t2.After(t1) }},
- {"Before", func(t1, t2 Time) bool { return t1.Before(t2) == t2.Before(t1) }},
- {"Equal", func(t1, t2 Time) bool { return t1.Equal(t2) == t2.Equal(t1) }},
- {"IsZero", func(t1, t2 Time) bool { return t1.IsZero() == t2.IsZero() }},
- {"Date", func(t1, t2 Time) bool {
- a1, b1, c1 := t1.Date()
- a2, b2, c2 := t2.Date()
- return a1 == a2 && b1 == b2 && c1 == c2
- }},
- {"Year", func(t1, t2 Time) bool { return t1.Year() == t2.Year() }},
- {"Month", func(t1, t2 Time) bool { return t1.Month() == t2.Month() }},
- {"Day", func(t1, t2 Time) bool { return t1.Day() == t2.Day() }},
- {"Weekday", func(t1, t2 Time) bool { return t1.Weekday() == t2.Weekday() }},
- {"ISOWeek", func(t1, t2 Time) bool {
- a1, b1 := t1.ISOWeek()
- a2, b2 := t2.ISOWeek()
- return a1 == a2 && b1 == b2
- }},
- {"Clock", func(t1, t2 Time) bool {
- a1, b1, c1 := t1.Clock()
- a2, b2, c2 := t2.Clock()
- return a1 == a2 && b1 == b2 && c1 == c2
- }},
- {"Hour", func(t1, t2 Time) bool { return t1.Hour() == t2.Hour() }},
- {"Minute", func(t1, t2 Time) bool { return t1.Minute() == t2.Minute() }},
- {"Second", func(t1, t2 Time) bool { return t1.Second() == t2.Second() }},
- {"Nanosecond", func(t1, t2 Time) bool { return t1.Hour() == t2.Hour() }},
- {"YearDay", func(t1, t2 Time) bool { return t1.YearDay() == t2.YearDay() }},
- // Using Equal since Add don't modify loc using "==" will cause a fail
- {"Add", func(t1, t2 Time) bool { return t1.Add(Hour).Equal(t2.Add(Hour)) }},
- {"Sub", func(t1, t2 Time) bool { return t1.Sub(t2) == t2.Sub(t1) }},
- //Original caus for this test case bug 15852
- {"AddDate", func(t1, t2 Time) bool { return t1.AddDate(1991, 9, 3) == t2.AddDate(1991, 9, 3) }},
- {"UTC", func(t1, t2 Time) bool { return t1.UTC() == t2.UTC() }},
- {"Local", func(t1, t2 Time) bool { return t1.Local() == t2.Local() }},
- {"In", func(t1, t2 Time) bool { return t1.In(UTC) == t2.In(UTC) }},
- {"Local", func(t1, t2 Time) bool { return t1.Local() == t2.Local() }},
- {"Zone", func(t1, t2 Time) bool {
- a1, b1 := t1.Zone()
- a2, b2 := t2.Zone()
- return a1 == a2 && b1 == b2
- }},
- {"Unix", func(t1, t2 Time) bool { return t1.Unix() == t2.Unix() }},
- {"UnixNano", func(t1, t2 Time) bool { return t1.UnixNano() == t2.UnixNano() }},
- {"UnixMilli", func(t1, t2 Time) bool { return t1.UnixMilli() == t2.UnixMilli() }},
- {"UnixMicro", func(t1, t2 Time) bool { return t1.UnixMicro() == t2.UnixMicro() }},
- {"MarshalBinary", func(t1, t2 Time) bool {
- a1, b1 := t1.MarshalBinary()
- a2, b2 := t2.MarshalBinary()
- return bytes.Equal(a1, a2) && b1 == b2
- }},
- {"GobEncode", func(t1, t2 Time) bool {
- a1, b1 := t1.GobEncode()
- a2, b2 := t2.GobEncode()
- return bytes.Equal(a1, a2) && b1 == b2
- }},
- {"MarshalJSON", func(t1, t2 Time) bool {
- a1, b1 := t1.MarshalJSON()
- a2, b2 := t2.MarshalJSON()
- return bytes.Equal(a1, a2) && b1 == b2
- }},
- {"MarshalText", func(t1, t2 Time) bool {
- a1, b1 := t1.MarshalText()
- a2, b2 := t2.MarshalText()
- return bytes.Equal(a1, a2) && b1 == b2
- }},
- {"Truncate", func(t1, t2 Time) bool { return t1.Truncate(Hour).Equal(t2.Truncate(Hour)) }},
- {"Round", func(t1, t2 Time) bool { return t1.Round(Hour).Equal(t2.Round(Hour)) }},
- {"== Time{}", func(t1, t2 Time) bool { return (t1 == Time{}) == (t2 == Time{}) }},
- }
- func TestDefaultLoc(t *testing.T) {
- // Verify that all of Time's methods behave identically if loc is set to
- // nil or UTC.
- for _, tt := range defaultLocTests {
- t1 := Time{}
- t2 := Time{}.UTC()
- if !tt.f(t1, t2) {
- t.Errorf("Time{} and Time{}.UTC() behave differently for %s", tt.name)
- }
- }
- }
- func BenchmarkNow(b *testing.B) {
- for i := 0; i < b.N; i++ {
- t = Now()
- }
- }
- func BenchmarkNowUnixNano(b *testing.B) {
- for i := 0; i < b.N; i++ {
- u = Now().UnixNano()
- }
- }
- func BenchmarkNowUnixMilli(b *testing.B) {
- for i := 0; i < b.N; i++ {
- u = Now().UnixMilli()
- }
- }
- func BenchmarkNowUnixMicro(b *testing.B) {
- for i := 0; i < b.N; i++ {
- u = Now().UnixMicro()
- }
- }
- func BenchmarkFormat(b *testing.B) {
- t := Unix(1265346057, 0)
- for i := 0; i < b.N; i++ {
- t.Format("Mon Jan 2 15:04:05 2006")
- }
- }
- func BenchmarkFormatNow(b *testing.B) {
- // Like BenchmarkFormat, but easier, because the time zone
- // lookup cache is optimized for the present.
- t := Now()
- for i := 0; i < b.N; i++ {
- t.Format("Mon Jan 2 15:04:05 2006")
- }
- }
- func BenchmarkMarshalJSON(b *testing.B) {
- t := Now()
- for i := 0; i < b.N; i++ {
- t.MarshalJSON()
- }
- }
- func BenchmarkMarshalText(b *testing.B) {
- t := Now()
- for i := 0; i < b.N; i++ {
- t.MarshalText()
- }
- }
- func BenchmarkParse(b *testing.B) {
- for i := 0; i < b.N; i++ {
- Parse(ANSIC, "Mon Jan 2 15:04:05 2006")
- }
- }
- func BenchmarkParseDuration(b *testing.B) {
- for i := 0; i < b.N; i++ {
- ParseDuration("9007199254.740993ms")
- ParseDuration("9007199254740993ns")
- }
- }
- func BenchmarkHour(b *testing.B) {
- t := Now()
- for i := 0; i < b.N; i++ {
- _ = t.Hour()
- }
- }
- func BenchmarkSecond(b *testing.B) {
- t := Now()
- for i := 0; i < b.N; i++ {
- _ = t.Second()
- }
- }
- func BenchmarkYear(b *testing.B) {
- t := Now()
- for i := 0; i < b.N; i++ {
- _ = t.Year()
- }
- }
- func BenchmarkDay(b *testing.B) {
- t := Now()
- for i := 0; i < b.N; i++ {
- _ = t.Day()
- }
- }
- func BenchmarkISOWeek(b *testing.B) {
- t := Now()
- for i := 0; i < b.N; i++ {
- _, _ = t.ISOWeek()
- }
- }
- func TestMarshalBinaryZeroTime(t *testing.T) {
- t0 := Time{}
- enc, err := t0.MarshalBinary()
- if err != nil {
- t.Fatal(err)
- }
- t1 := Now() // not zero
- if err := t1.UnmarshalBinary(enc); err != nil {
- t.Fatal(err)
- }
- if t1 != t0 {
- t.Errorf("t0=%#v\nt1=%#v\nwant identical structures", t0, t1)
- }
- }
- func TestMarshalBinaryVersion2(t *testing.T) {
- t0, err := Parse(RFC3339, "1880-01-01T00:00:00Z")
- if err != nil {
- t.Errorf("Failed to parse time, error = %v", err)
- }
- loc, err := LoadLocation("US/Eastern")
- if err != nil {
- t.Errorf("Failed to load location, error = %v", err)
- }
- t1 := t0.In(loc)
- b, err := t1.MarshalBinary()
- if err != nil {
- t.Errorf("Failed to Marshal, error = %v", err)
- }
- t2 := Time{}
- err = t2.UnmarshalBinary(b)
- if err != nil {
- t.Errorf("Failed to Unmarshal, error = %v", err)
- }
- if !(t0.Equal(t1) && t1.Equal(t2)) {
- if !t0.Equal(t1) {
- t.Errorf("The result t1: %+v after Marshal is not matched original t0: %+v", t1, t0)
- }
- if !t1.Equal(t2) {
- t.Errorf("The result t2: %+v after Unmarshal is not matched original t1: %+v", t2, t1)
- }
- }
- }
- // Issue 17720: Zero value of time.Month fails to print
- func TestZeroMonthString(t *testing.T) {
- if got, want := Month(0).String(), "%!Month(0)"; got != want {
- t.Errorf("zero month = %q; want %q", got, want)
- }
- }
- // Issue 24692: Out of range weekday panics
- func TestWeekdayString(t *testing.T) {
- if got, want := Weekday(Tuesday).String(), "Tuesday"; got != want {
- t.Errorf("Tuesday weekday = %q; want %q", got, want)
- }
- if got, want := Weekday(14).String(), "%!Weekday(14)"; got != want {
- t.Errorf("14th weekday = %q; want %q", got, want)
- }
- }
- func TestReadFileLimit(t *testing.T) {
- const zero = "/dev/zero"
- if _, err := os.Stat(zero); err != nil {
- t.Skip("skipping test without a /dev/zero")
- }
- _, err := ReadFile(zero)
- if err == nil || !strings.Contains(err.Error(), "is too large") {
- t.Errorf("readFile(%q) error = %v; want error containing 'is too large'", zero, err)
- }
- }
- // Issue 25686: hard crash on concurrent timer access.
- // Issue 37400: panic with "racy use of timers"
- // This test deliberately invokes a race condition.
- // We are testing that we don't crash with "fatal error: panic holding locks",
- // and that we also don't panic.
- func TestConcurrentTimerReset(t *testing.T) {
- const goroutines = 8
- const tries = 1000
- var wg sync.WaitGroup
- wg.Add(goroutines)
- timer := NewTimer(Hour)
- for i := 0; i < goroutines; i++ {
- go func(i int) {
- defer wg.Done()
- for j := 0; j < tries; j++ {
- timer.Reset(Hour + Duration(i*j))
- }
- }(i)
- }
- wg.Wait()
- }
- // Issue 37400: panic with "racy use of timers".
- func TestConcurrentTimerResetStop(t *testing.T) {
- const goroutines = 8
- const tries = 1000
- var wg sync.WaitGroup
- wg.Add(goroutines * 2)
- timer := NewTimer(Hour)
- for i := 0; i < goroutines; i++ {
- go func(i int) {
- defer wg.Done()
- for j := 0; j < tries; j++ {
- timer.Reset(Hour + Duration(i*j))
- }
- }(i)
- go func(i int) {
- defer wg.Done()
- timer.Stop()
- }(i)
- }
- wg.Wait()
- }
- func TestTimeIsDST(t *testing.T) {
- ForceZipFileForTesting(true)
- defer ForceZipFileForTesting(false)
- tzWithDST, err := LoadLocation("Australia/Sydney")
- if err != nil {
- t.Fatalf("could not load tz 'Australia/Sydney': %v", err)
- }
- tzWithoutDST, err := LoadLocation("Australia/Brisbane")
- if err != nil {
- t.Fatalf("could not load tz 'Australia/Brisbane': %v", err)
- }
- tzFixed := FixedZone("FIXED_TIME", 12345)
- tests := [...]struct {
- time Time
- want bool
- }{
- 0: {Date(2009, 1, 1, 12, 0, 0, 0, UTC), false},
- 1: {Date(2009, 6, 1, 12, 0, 0, 0, UTC), false},
- 2: {Date(2009, 1, 1, 12, 0, 0, 0, tzWithDST), true},
- 3: {Date(2009, 6, 1, 12, 0, 0, 0, tzWithDST), false},
- 4: {Date(2009, 1, 1, 12, 0, 0, 0, tzWithoutDST), false},
- 5: {Date(2009, 6, 1, 12, 0, 0, 0, tzWithoutDST), false},
- 6: {Date(2009, 1, 1, 12, 0, 0, 0, tzFixed), false},
- 7: {Date(2009, 6, 1, 12, 0, 0, 0, tzFixed), false},
- }
- for i, tt := range tests {
- got := tt.time.IsDST()
- if got != tt.want {
- t.Errorf("#%d:: (%#v).IsDST()=%t, want %t", i, tt.time.Format(RFC3339), got, tt.want)
- }
- }
- }
- func TestTimeAddSecOverflow(t *testing.T) {
- // Test it with positive delta.
- var maxInt64 int64 = 1<<63 - 1
- timeExt := maxInt64 - UnixToInternal - 50
- notMonoTime := Unix(timeExt, 0)
- for i := int64(0); i < 100; i++ {
- sec := notMonoTime.Unix()
- notMonoTime = notMonoTime.Add(Duration(i * 1e9))
- if newSec := notMonoTime.Unix(); newSec != sec+i && newSec+UnixToInternal != maxInt64 {
- t.Fatalf("time ext: %d overflows with positive delta, overflow threshold: %d", newSec, maxInt64)
- }
- }
- // Test it with negative delta.
- maxInt64 = -maxInt64
- notMonoTime = NotMonoNegativeTime
- for i := int64(0); i > -100; i-- {
- sec := notMonoTime.Unix()
- notMonoTime = notMonoTime.Add(Duration(i * 1e9))
- if newSec := notMonoTime.Unix(); newSec != sec+i && newSec+UnixToInternal != maxInt64 {
- t.Fatalf("time ext: %d overflows with positive delta, overflow threshold: %d", newSec, maxInt64)
- }
- }
- }
- // Issue 49284: time: ParseInLocation incorrectly because of Daylight Saving Time
- func TestTimeWithZoneTransition(t *testing.T) {
- ForceZipFileForTesting(true)
- defer ForceZipFileForTesting(false)
- loc, err := LoadLocation("Asia/Shanghai")
- if err != nil {
- t.Fatal(err)
- }
- tests := [...]struct {
- give Time
- want Time
- }{
- // 14 Apr 1991 - Daylight Saving Time Started
- // When time of "Asia/Shanghai" was about to reach
- // Sunday, 14 April 1991, 02:00:00 clocks were turned forward 1 hour to
- // Sunday, 14 April 1991, 03:00:00 local daylight time instead.
- // The UTC time was 13 April 1991, 18:00:00
- 0: {Date(1991, April, 13, 17, 50, 0, 0, loc), Date(1991, April, 13, 9, 50, 0, 0, UTC)},
- 1: {Date(1991, April, 13, 18, 0, 0, 0, loc), Date(1991, April, 13, 10, 0, 0, 0, UTC)},
- 2: {Date(1991, April, 14, 1, 50, 0, 0, loc), Date(1991, April, 13, 17, 50, 0, 0, UTC)},
- 3: {Date(1991, April, 14, 3, 0, 0, 0, loc), Date(1991, April, 13, 18, 0, 0, 0, UTC)},
- // 15 Sep 1991 - Daylight Saving Time Ended
- // When local daylight time of "Asia/Shanghai" was about to reach
- // Sunday, 15 September 1991, 02:00:00 clocks were turned backward 1 hour to
- // Sunday, 15 September 1991, 01:00:00 local standard time instead.
- // The UTC time was 14 September 1991, 17:00:00
- 4: {Date(1991, September, 14, 16, 50, 0, 0, loc), Date(1991, September, 14, 7, 50, 0, 0, UTC)},
- 5: {Date(1991, September, 14, 17, 0, 0, 0, loc), Date(1991, September, 14, 8, 0, 0, 0, UTC)},
- 6: {Date(1991, September, 15, 0, 50, 0, 0, loc), Date(1991, September, 14, 15, 50, 0, 0, UTC)},
- 7: {Date(1991, September, 15, 2, 00, 0, 0, loc), Date(1991, September, 14, 18, 00, 0, 0, UTC)},
- }
- for i, tt := range tests {
- if !tt.give.Equal(tt.want) {
- t.Errorf("#%d:: %#v is not equal to %#v", i, tt.give.Format(RFC3339), tt.want.Format(RFC3339))
- }
- }
- }
|