| // 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)) |
| } |
| } |
| } |