| // 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/big" | 
 | 	"math/rand" | 
 | 	"runtime" | 
 | 	"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"}}, | 
 | } | 
 |  | 
 | 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) | 
 | 	} | 
 | } | 
 |  | 
 | // 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}, | 
 | } | 
 |  | 
 | 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 _, 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("got %d, expected %d for %d-%02d-%02d in %v", | 
 | 					yday, ydt.yday, ydt.year, ydt.month, ydt.day, loc) | 
 | 			} | 
 | 		} | 
 | 	} | 
 | } | 
 |  | 
 | 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 | 
 |  | 
 | 	// 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)), "Time.MarshalBinary: zone offset has fractional minute"}, | 
 | 	{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 | 
 | 	ok   bool | 
 | 	want Duration | 
 | }{ | 
 | 	// simple | 
 | 	{"0", true, 0}, | 
 | 	{"5s", true, 5 * Second}, | 
 | 	{"30s", true, 30 * Second}, | 
 | 	{"1478s", true, 1478 * Second}, | 
 | 	// sign | 
 | 	{"-5s", true, -5 * Second}, | 
 | 	{"+5s", true, 5 * Second}, | 
 | 	{"-0", true, 0}, | 
 | 	{"+0", true, 0}, | 
 | 	// decimal | 
 | 	{"5.0s", true, 5 * Second}, | 
 | 	{"5.6s", true, 5*Second + 600*Millisecond}, | 
 | 	{"5.s", true, 5 * Second}, | 
 | 	{".5s", true, 500 * Millisecond}, | 
 | 	{"1.0s", true, 1 * Second}, | 
 | 	{"1.00s", true, 1 * Second}, | 
 | 	{"1.004s", true, 1*Second + 4*Millisecond}, | 
 | 	{"1.0040s", true, 1*Second + 4*Millisecond}, | 
 | 	{"100.00100s", true, 100*Second + 1*Millisecond}, | 
 | 	// different units | 
 | 	{"10ns", true, 10 * Nanosecond}, | 
 | 	{"11us", true, 11 * Microsecond}, | 
 | 	{"12µs", true, 12 * Microsecond}, // U+00B5 | 
 | 	{"12μs", true, 12 * Microsecond}, // U+03BC | 
 | 	{"13ms", true, 13 * Millisecond}, | 
 | 	{"14s", true, 14 * Second}, | 
 | 	{"15m", true, 15 * Minute}, | 
 | 	{"16h", true, 16 * Hour}, | 
 | 	// composite durations | 
 | 	{"3h30m", true, 3*Hour + 30*Minute}, | 
 | 	{"10.5s4m", true, 4*Minute + 10*Second + 500*Millisecond}, | 
 | 	{"-2m3.4s", true, -(2*Minute + 3*Second + 400*Millisecond)}, | 
 | 	{"1h2m3s4ms5us6ns", true, 1*Hour + 2*Minute + 3*Second + 4*Millisecond + 5*Microsecond + 6*Nanosecond}, | 
 | 	{"39h9m14.425s", true, 39*Hour + 9*Minute + 14*Second + 425*Millisecond}, | 
 | 	// large value | 
 | 	{"52763797000ns", true, 52763797000 * Nanosecond}, | 
 | 	// more than 9 digits after decimal point, see https://golang.org/issue/6617 | 
 | 	{"0.3333333333333333333h", true, 20 * Minute}, | 
 | 	// 9007199254740993 = 1<<53+1 cannot be stored precisely in a float64 | 
 | 	{"9007199254740993ns", true, (1<<53 + 1) * Nanosecond}, | 
 | 	// largest duration that can be represented by int64 in nanoseconds | 
 | 	{"9223372036854775807ns", true, (1<<63 - 1) * Nanosecond}, | 
 | 	{"9223372036854775.807us", true, (1<<63 - 1) * Nanosecond}, | 
 | 	{"9223372036s854ms775us807ns", true, (1<<63 - 1) * Nanosecond}, | 
 | 	// large negative value | 
 | 	{"-9223372036854775807ns", true, -1<<63 + 1*Nanosecond}, | 
 | 	// huge string; issue 15011. | 
 | 	{"0.100000000000000000000h", true, 6 * Minute}, | 
 | 	// This value tests the first overflow check in leadingFraction. | 
 | 	{"0.830103483285477580700h", true, 49*Minute + 48*Second + 372539827*Nanosecond}, | 
 |  | 
 | 	// errors | 
 | 	{"", false, 0}, | 
 | 	{"3", false, 0}, | 
 | 	{"-", false, 0}, | 
 | 	{"s", false, 0}, | 
 | 	{".", false, 0}, | 
 | 	{"-.", false, 0}, | 
 | 	{".s", false, 0}, | 
 | 	{"+.s", false, 0}, | 
 | 	{"3000000h", false, 0},                  // overflow | 
 | 	{"9223372036854775808ns", false, 0},     // overflow | 
 | 	{"9223372036854775.808us", false, 0},    // overflow | 
 | 	{"9223372036854ms775us808ns", false, 0}, // overflow | 
 | 	// largest negative value of type int64 in nanoseconds should fail | 
 | 	// see https://go-review.googlesource.com/#/c/2461/ | 
 | 	{"-9223372036854775808ns", false, 0}, | 
 | } | 
 |  | 
 | func TestParseDuration(t *testing.T) { | 
 | 	for _, tc := range parseDurationTests { | 
 | 		d, err := ParseDuration(tc.in) | 
 | 		if tc.ok && (err != nil || d != tc.want) { | 
 | 			t.Errorf("ParseDuration(%q) = %v, %v, want %v, nil", tc.in, d, err, tc.want) | 
 | 		} else if !tc.ok && err == nil { | 
 | 			t.Errorf("ParseDuration(%q) = _, nil, want _, non-nil", tc.in) | 
 | 		} | 
 | 	} | 
 | } | 
 |  | 
 | func TestParseDurationRoundTrip(t *testing.T) { | 
 | 	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() }}, | 
 | } | 
 |  | 
 | 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)}, | 
 | } | 
 |  | 
 | 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("d.Nanoseconds() = %d; want: %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("d.Seconds() = %g; want: %g", 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("d.Minutes() = %g; want: %g", 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("d.Hours() = %g; want: %g", 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() }}, | 
 |  | 
 | 	{"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) { | 
 | 	//This test verifyes that all Time's methods behaves identical if loc is set | 
 | 	//as 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 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 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) | 
 | 	} | 
 | } | 
 |  | 
 | // 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) | 
 | 	} | 
 | } |