| @@ -0,0 +1,252 @@ | ||
| // Copyright 2017 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 ( | ||
| "regexp" | ||
| "testing" | ||
| . "time" | ||
| ) | ||
| func TestHasMonotonicClock(t *testing.T) { | ||
| yes := func(expr string, tt Time) { | ||
| if GetMono(&tt) == 0 { | ||
| t.Errorf("%s: missing monotonic clock reading", expr) | ||
| } | ||
| } | ||
| no := func(expr string, tt Time) { | ||
| if GetMono(&tt) != 0 { | ||
| t.Errorf("%s: unexpected monotonic clock reading", expr) | ||
| } | ||
| } | ||
| yes("<-After(1)", <-After(1)) | ||
| ticker := NewTicker(1) | ||
| yes("<-Tick(1)", <-ticker.C) | ||
| ticker.Stop() | ||
| no("Date(2009, 11, 23, 0, 0, 0, 0, UTC)", Date(2009, 11, 23, 0, 0, 0, 0, UTC)) | ||
| tp, _ := Parse(UnixDate, "Sat Mar 7 11:06:39 PST 2015") | ||
| no(`Parse(UnixDate, "Sat Mar 7 11:06:39 PST 2015")`, tp) | ||
| no("Unix(1486057371, 0)", Unix(1486057371, 0)) | ||
| yes("Now()", Now()) | ||
| tu := Unix(1486057371, 0) | ||
| tm := tu | ||
| SetMono(&tm, 123456) | ||
| no("tu", tu) | ||
| yes("tm", tm) | ||
| no("tu.Add(1)", tu.Add(1)) | ||
| no("tu.In(UTC)", tu.In(UTC)) | ||
| no("tu.AddDate(1, 1, 1)", tu.AddDate(1, 1, 1)) | ||
| no("tu.AddDate(0, 0, 0)", tu.AddDate(0, 0, 0)) | ||
| no("tu.Local()", tu.Local()) | ||
| no("tu.UTC()", tu.UTC()) | ||
| no("tu.Round(2)", tu.Round(2)) | ||
| no("tu.Truncate(2)", tu.Truncate(2)) | ||
| yes("tm.Add(1)", tm.Add(1)) | ||
| no("tm.AddDate(1, 1, 1)", tm.AddDate(1, 1, 1)) | ||
| no("tm.AddDate(0, 0, 0)", tm.AddDate(0, 0, 0)) | ||
| yes("tm.In(UTC)", tm.In(UTC)) | ||
| yes("tm.Local()", tm.Local()) | ||
| yes("tm.UTC()", tm.UTC()) | ||
| yes("tm.Round(2)", tm.Round(2)) | ||
| yes("tm.Truncate(2)", tm.Truncate(2)) | ||
| } | ||
| func TestMonotonicAdd(t *testing.T) { | ||
| tm := Unix(1486057371, 123456) | ||
| SetMono(&tm, 123456789012345) | ||
| t2 := tm.Add(1e8) | ||
| if t2.Nanosecond() != 100123456 { | ||
| t.Errorf("t2.Nanosecond() = %d, want 100123456", t2.Nanosecond()) | ||
| } | ||
| if GetMono(&t2) != 123456889012345 { | ||
| t.Errorf("t2.mono = %d, want 123456889012345", GetMono(&t2)) | ||
| } | ||
| t3 := tm.Add(-9e18) // wall now out of range | ||
| if t3.Nanosecond() != 123456 { | ||
| t.Errorf("t3.Nanosecond() = %d, want 123456", t3.Nanosecond()) | ||
| } | ||
| if GetMono(&t3) != 0 { | ||
| t.Errorf("t3.mono = %d, want 0 (wall time out of range for monotonic reading)", GetMono(&t3)) | ||
| } | ||
| t4 := tm.Add(+9e18) // wall now out of range | ||
| if t4.Nanosecond() != 123456 { | ||
| t.Errorf("t4.Nanosecond() = %d, want 123456", t4.Nanosecond()) | ||
| } | ||
| if GetMono(&t4) != 0 { | ||
| t.Errorf("t4.mono = %d, want 0 (wall time out of range for monotonic reading)", GetMono(&t4)) | ||
| } | ||
| tn := Now() | ||
| tn1 := tn.Add(1 * Hour) | ||
| Sleep(100 * Millisecond) | ||
| d := Until(tn1) | ||
| if d < 59*Minute { | ||
| t.Errorf("Until(Now().Add(1*Hour)) = %v, wanted at least 59m", d) | ||
| } | ||
| now := Now() | ||
| if now.After(tn1) { | ||
| t.Errorf("Now().After(Now().Add(1*Hour)) = true, want false") | ||
| } | ||
| if !tn1.After(now) { | ||
| t.Errorf("Now().Add(1*Hour).After(now) = false, want true") | ||
| } | ||
| if tn1.Before(now) { | ||
| t.Errorf("Now().Add(1*Hour).Before(Now()) = true, want false") | ||
| } | ||
| if !now.Before(tn1) { | ||
| t.Errorf("Now().Before(Now().Add(1*Hour)) = false, want true") | ||
| } | ||
| } | ||
| func TestMonotonicSub(t *testing.T) { | ||
| t1 := Unix(1483228799, 995e6) | ||
| SetMono(&t1, 123456789012345) | ||
| t2 := Unix(1483228799, 5e6) | ||
| SetMono(&t2, 123456789012345+10e6) | ||
| t3 := Unix(1483228799, 995e6) | ||
| SetMono(&t3, 123456789012345+1e9) | ||
| t1w := t1.AddDate(0, 0, 0) | ||
| if GetMono(&t1w) != 0 { | ||
| t.Fatalf("AddDate didn't strip monotonic clock reading") | ||
| } | ||
| t2w := t2.AddDate(0, 0, 0) | ||
| if GetMono(&t2w) != 0 { | ||
| t.Fatalf("AddDate didn't strip monotonic clock reading") | ||
| } | ||
| t3w := t3.AddDate(0, 0, 0) | ||
| if GetMono(&t3w) != 0 { | ||
| t.Fatalf("AddDate didn't strip monotonic clock reading") | ||
| } | ||
| sub := func(txs, tys string, tx, txw, ty, tyw Time, d, dw Duration) { | ||
| check := func(expr string, d, want Duration) { | ||
| if d != want { | ||
| t.Errorf("%s = %v, want %v", expr, d, want) | ||
| } | ||
| } | ||
| check(txs+".Sub("+tys+")", tx.Sub(ty), d) | ||
| check(txs+"w.Sub("+tys+")", txw.Sub(ty), dw) | ||
| check(txs+".Sub("+tys+"w)", tx.Sub(tyw), dw) | ||
| check(txs+"w.Sub("+tys+"w)", txw.Sub(tyw), dw) | ||
| } | ||
| sub("t1", "t1", t1, t1w, t1, t1w, 0, 0) | ||
| sub("t1", "t2", t1, t1w, t2, t2w, -10*Millisecond, 990*Millisecond) | ||
| sub("t1", "t3", t1, t1w, t3, t3w, -1000*Millisecond, 0) | ||
| sub("t2", "t1", t2, t2w, t1, t1w, 10*Millisecond, -990*Millisecond) | ||
| sub("t2", "t2", t2, t2w, t2, t2w, 0, 0) | ||
| sub("t2", "t3", t2, t2w, t3, t3w, -990*Millisecond, -990*Millisecond) | ||
| sub("t3", "t1", t3, t3w, t1, t1w, 1000*Millisecond, 0) | ||
| sub("t3", "t2", t3, t3w, t2, t2w, 990*Millisecond, 990*Millisecond) | ||
| sub("t3", "t3", t3, t3w, t3, t3w, 0, 0) | ||
| cmp := func(txs, tys string, tx, txw, ty, tyw Time, c, cw int) { | ||
| check := func(expr string, b, want bool) { | ||
| if b != want { | ||
| t.Errorf("%s = %v, want %v", expr, b, want) | ||
| } | ||
| } | ||
| check(txs+".After("+tys+")", tx.After(ty), c > 0) | ||
| check(txs+"w.After("+tys+")", txw.After(ty), cw > 0) | ||
| check(txs+".After("+tys+"w)", tx.After(tyw), cw > 0) | ||
| check(txs+"w.After("+tys+"w)", txw.After(tyw), cw > 0) | ||
| check(txs+".Before("+tys+")", tx.Before(ty), c < 0) | ||
| check(txs+"w.Before("+tys+")", txw.Before(ty), cw < 0) | ||
| check(txs+".Before("+tys+"w)", tx.Before(tyw), cw < 0) | ||
| check(txs+"w.Before("+tys+"w)", txw.Before(tyw), cw < 0) | ||
| check(txs+".Equal("+tys+")", tx.Equal(ty), c == 0) | ||
| check(txs+"w.Equal("+tys+")", txw.Equal(ty), cw == 0) | ||
| check(txs+".Equal("+tys+"w)", tx.Equal(tyw), cw == 0) | ||
| check(txs+"w.Equal("+tys+"w)", txw.Equal(tyw), cw == 0) | ||
| } | ||
| cmp("t1", "t1", t1, t1w, t1, t1w, 0, 0) | ||
| cmp("t1", "t2", t1, t1w, t2, t2w, -1, +1) | ||
| cmp("t1", "t3", t1, t1w, t3, t3w, -1, 0) | ||
| cmp("t2", "t1", t2, t2w, t1, t1w, +1, -1) | ||
| cmp("t2", "t2", t2, t2w, t2, t2w, 0, 0) | ||
| cmp("t2", "t3", t2, t2w, t3, t3w, -1, -1) | ||
| cmp("t3", "t1", t3, t3w, t1, t1w, +1, 0) | ||
| cmp("t3", "t2", t3, t3w, t2, t2w, +1, +1) | ||
| cmp("t3", "t3", t3, t3w, t3, t3w, 0, 0) | ||
| } | ||
| func TestMonotonicOverflow(t *testing.T) { | ||
| t1 := Now().Add(-30 * Second) | ||
| d := Until(t1) | ||
| if d < -35*Second || -30*Second < d { | ||
| t.Errorf("Until(Now().Add(-30s)) = %v, want roughly -30s (-35s to -30s)", d) | ||
| } | ||
| t1 = Now().Add(30 * Second) | ||
| d = Until(t1) | ||
| if d < 25*Second || 30*Second < d { | ||
| t.Errorf("Until(Now().Add(-30s)) = %v, want roughly 30s (25s to 30s)", d) | ||
| } | ||
| t0 := Now() | ||
| t1 = t0.Add(Duration(1<<63 - 1)) | ||
| if GetMono(&t1) != 0 { | ||
| t.Errorf("Now().Add(maxDuration) has monotonic clock reading (%v => %v %d %d)", t0.String(), t1.String(), t0.Unix(), t1.Unix()) | ||
| } | ||
| t2 := t1.Add(-Duration(1<<63 - 1)) | ||
| d = Since(t2) | ||
| if d < -10*Second || 10*Second < d { | ||
| t.Errorf("Since(Now().Add(max).Add(-max)) = %v, want [-10s, 10s]", d) | ||
| } | ||
| t0 = Now() | ||
| t1 = t0.Add(1 * Hour) | ||
| Sleep(100 * Millisecond) | ||
| t2 = Now().Add(-5 * Second) | ||
| if !t1.After(t2) { | ||
| t.Errorf("Now().Add(1*Hour).After(Now().Add(-5*Second)) = false, want true\nt1=%v\nt2=%v", t1, t2) | ||
| } | ||
| if t2.After(t1) { | ||
| t.Errorf("Now().Add(-5*Second).After(Now().Add(1*Hour)) = true, want false\nt1=%v\nt2=%v", t1, t2) | ||
| } | ||
| if t1.Before(t2) { | ||
| t.Errorf("Now().Add(1*Hour).Before(Now().Add(-5*Second)) = true, want false\nt1=%v\nt2=%v", t1, t2) | ||
| } | ||
| if !t2.Before(t1) { | ||
| t.Errorf("Now().Add(-5*Second).Before(Now().Add(1*Hour)) = false, want true\nt1=%v\nt2=%v", t1, t2) | ||
| } | ||
| } | ||
| func TestMonotonicString(t *testing.T) { | ||
| t1 := Now() | ||
| re := regexp.MustCompile(` m=\+[0-9]+\.[0-9]{9}$`) | ||
| if !re.MatchString(t1.String()) { | ||
| t.Errorf("Now().String() = %q, want match for /%s/", t1.String(), re) | ||
| } | ||
| t2 := Now().Add(-5 * Hour) | ||
| re = regexp.MustCompile(` m=-[0-9]+\.[0-9]{9}$`) | ||
| if !re.MatchString(t2.String()) { | ||
| t.Errorf("Now().Add(-5*Hour).String() = %q, want match for /%s/", t2.String(), re) | ||
| } | ||
| t3 := Now().Add(1.2e18) | ||
| re = regexp.MustCompile(` m=\+120[0-9]{7}\.[0-9]{9}$`) | ||
| if !re.MatchString(t3.String()) { | ||
| t.Errorf("Now().Add(12e17).String() = %q, want match for /%s/", t3.String(), re) | ||
| } | ||
| } |
Should be
m=±<value>.