1661 lines
48 KiB
Go
1661 lines
48 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package time_test
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import (
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"bytes"
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"encoding/gob"
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"encoding/json"
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"fmt"
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"math"
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"math/big"
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"math/rand"
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"os"
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"runtime"
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"strings"
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"sync"
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"testing"
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"testing/quick"
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. "time"
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)
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// We should be in PST/PDT, but if the time zone files are missing we
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// won't be. The purpose of this test is to at least explain why some of
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// the subsequent tests fail.
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func TestZoneData(t *testing.T) {
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lt := Now()
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// PST is 8 hours west, PDT is 7 hours west. We could use the name but it's not unique.
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if name, off := lt.Zone(); off != -8*60*60 && off != -7*60*60 {
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t.Errorf("Unable to find US Pacific time zone data for testing; time zone is %q offset %d", name, off)
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t.Error("Likely problem: the time zone files have not been installed.")
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}
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}
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// parsedTime is the struct representing a parsed time value.
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type parsedTime struct {
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Year int
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Month Month
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Day int
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Hour, Minute, Second int // 15:04:05 is 15, 4, 5.
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Nanosecond int // Fractional second.
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Weekday Weekday
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ZoneOffset int // seconds east of UTC, e.g. -7*60*60 for -0700
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Zone string // e.g., "MST"
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}
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type TimeTest struct {
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seconds int64
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golden parsedTime
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}
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var utctests = []TimeTest{
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{0, parsedTime{1970, January, 1, 0, 0, 0, 0, Thursday, 0, "UTC"}},
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{1221681866, parsedTime{2008, September, 17, 20, 4, 26, 0, Wednesday, 0, "UTC"}},
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{-1221681866, parsedTime{1931, April, 16, 3, 55, 34, 0, Thursday, 0, "UTC"}},
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{-11644473600, parsedTime{1601, January, 1, 0, 0, 0, 0, Monday, 0, "UTC"}},
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{599529660, parsedTime{1988, December, 31, 0, 1, 0, 0, Saturday, 0, "UTC"}},
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{978220860, parsedTime{2000, December, 31, 0, 1, 0, 0, Sunday, 0, "UTC"}},
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}
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var nanoutctests = []TimeTest{
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{0, parsedTime{1970, January, 1, 0, 0, 0, 1e8, Thursday, 0, "UTC"}},
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{1221681866, parsedTime{2008, September, 17, 20, 4, 26, 2e8, Wednesday, 0, "UTC"}},
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}
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var localtests = []TimeTest{
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{0, parsedTime{1969, December, 31, 16, 0, 0, 0, Wednesday, -8 * 60 * 60, "PST"}},
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{1221681866, parsedTime{2008, September, 17, 13, 4, 26, 0, Wednesday, -7 * 60 * 60, "PDT"}},
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{2159200800, parsedTime{2038, June, 3, 11, 0, 0, 0, Thursday, -7 * 60 * 60, "PDT"}},
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{2152173599, parsedTime{2038, March, 14, 1, 59, 59, 0, Sunday, -8 * 60 * 60, "PST"}},
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{2152173600, parsedTime{2038, March, 14, 3, 0, 0, 0, Sunday, -7 * 60 * 60, "PDT"}},
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{2152173601, parsedTime{2038, March, 14, 3, 0, 1, 0, Sunday, -7 * 60 * 60, "PDT"}},
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{2172733199, parsedTime{2038, November, 7, 1, 59, 59, 0, Sunday, -7 * 60 * 60, "PDT"}},
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{2172733200, parsedTime{2038, November, 7, 1, 0, 0, 0, Sunday, -8 * 60 * 60, "PST"}},
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{2172733201, parsedTime{2038, November, 7, 1, 0, 1, 0, Sunday, -8 * 60 * 60, "PST"}},
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}
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var nanolocaltests = []TimeTest{
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{0, parsedTime{1969, December, 31, 16, 0, 0, 1e8, Wednesday, -8 * 60 * 60, "PST"}},
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{1221681866, parsedTime{2008, September, 17, 13, 4, 26, 3e8, Wednesday, -7 * 60 * 60, "PDT"}},
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}
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func same(t Time, u *parsedTime) bool {
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// Check aggregates.
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year, month, day := t.Date()
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hour, min, sec := t.Clock()
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name, offset := t.Zone()
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if year != u.Year || month != u.Month || day != u.Day ||
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hour != u.Hour || min != u.Minute || sec != u.Second ||
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name != u.Zone || offset != u.ZoneOffset {
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return false
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}
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// Check individual entries.
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return t.Year() == u.Year &&
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t.Month() == u.Month &&
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t.Day() == u.Day &&
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t.Hour() == u.Hour &&
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t.Minute() == u.Minute &&
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t.Second() == u.Second &&
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t.Nanosecond() == u.Nanosecond &&
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t.Weekday() == u.Weekday
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}
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func TestSecondsToUTC(t *testing.T) {
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for _, test := range utctests {
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sec := test.seconds
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golden := &test.golden
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tm := Unix(sec, 0).UTC()
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newsec := tm.Unix()
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if newsec != sec {
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t.Errorf("SecondsToUTC(%d).Seconds() = %d", sec, newsec)
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}
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if !same(tm, golden) {
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t.Errorf("SecondsToUTC(%d): // %#v", sec, tm)
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t.Errorf(" want=%+v", *golden)
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t.Errorf(" have=%v", tm.Format(RFC3339+" MST"))
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}
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}
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}
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func TestNanosecondsToUTC(t *testing.T) {
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for _, test := range nanoutctests {
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golden := &test.golden
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nsec := test.seconds*1e9 + int64(golden.Nanosecond)
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tm := Unix(0, nsec).UTC()
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newnsec := tm.Unix()*1e9 + int64(tm.Nanosecond())
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if newnsec != nsec {
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t.Errorf("NanosecondsToUTC(%d).Nanoseconds() = %d", nsec, newnsec)
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}
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if !same(tm, golden) {
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t.Errorf("NanosecondsToUTC(%d):", nsec)
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t.Errorf(" want=%+v", *golden)
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t.Errorf(" have=%+v", tm.Format(RFC3339+" MST"))
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}
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}
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}
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func TestSecondsToLocalTime(t *testing.T) {
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for _, test := range localtests {
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sec := test.seconds
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golden := &test.golden
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tm := Unix(sec, 0)
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newsec := tm.Unix()
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if newsec != sec {
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t.Errorf("SecondsToLocalTime(%d).Seconds() = %d", sec, newsec)
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}
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if !same(tm, golden) {
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t.Errorf("SecondsToLocalTime(%d):", sec)
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t.Errorf(" want=%+v", *golden)
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t.Errorf(" have=%+v", tm.Format(RFC3339+" MST"))
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}
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}
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}
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func TestNanosecondsToLocalTime(t *testing.T) {
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for _, test := range nanolocaltests {
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golden := &test.golden
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nsec := test.seconds*1e9 + int64(golden.Nanosecond)
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tm := Unix(0, nsec)
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newnsec := tm.Unix()*1e9 + int64(tm.Nanosecond())
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if newnsec != nsec {
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t.Errorf("NanosecondsToLocalTime(%d).Seconds() = %d", nsec, newnsec)
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}
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if !same(tm, golden) {
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t.Errorf("NanosecondsToLocalTime(%d):", nsec)
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t.Errorf(" want=%+v", *golden)
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t.Errorf(" have=%+v", tm.Format(RFC3339+" MST"))
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}
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}
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}
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func TestSecondsToUTCAndBack(t *testing.T) {
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f := func(sec int64) bool { return Unix(sec, 0).UTC().Unix() == sec }
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f32 := func(sec int32) bool { return f(int64(sec)) }
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cfg := &quick.Config{MaxCount: 10000}
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// Try a reasonable date first, then the huge ones.
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if err := quick.Check(f32, cfg); err != nil {
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t.Fatal(err)
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}
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if err := quick.Check(f, cfg); err != nil {
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t.Fatal(err)
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}
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}
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func TestNanosecondsToUTCAndBack(t *testing.T) {
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f := func(nsec int64) bool {
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t := Unix(0, nsec).UTC()
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ns := t.Unix()*1e9 + int64(t.Nanosecond())
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return ns == nsec
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}
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f32 := func(nsec int32) bool { return f(int64(nsec)) }
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cfg := &quick.Config{MaxCount: 10000}
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// Try a small date first, then the large ones. (The span is only a few hundred years
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// for nanoseconds in an int64.)
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if err := quick.Check(f32, cfg); err != nil {
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t.Fatal(err)
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}
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if err := quick.Check(f, cfg); err != nil {
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t.Fatal(err)
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}
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}
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func TestUnixMilli(t *testing.T) {
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f := func(msec int64) bool {
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t := UnixMilli(msec)
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return t.UnixMilli() == msec
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}
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cfg := &quick.Config{MaxCount: 10000}
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if err := quick.Check(f, cfg); err != nil {
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t.Fatal(err)
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}
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}
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func TestUnixMicro(t *testing.T) {
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f := func(usec int64) bool {
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t := UnixMicro(usec)
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return t.UnixMicro() == usec
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}
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cfg := &quick.Config{MaxCount: 10000}
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if err := quick.Check(f, cfg); err != nil {
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t.Fatal(err)
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}
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}
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// The time routines provide no way to get absolute time
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// (seconds since zero), but we need it to compute the right
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// answer for bizarre roundings like "to the nearest 3 ns".
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// Compute as t - year1 = (t - 1970) + (1970 - 2001) + (2001 - 1).
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// t - 1970 is returned by Unix and Nanosecond.
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// 1970 - 2001 is -(31*365+8)*86400 = -978307200 seconds.
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// 2001 - 1 is 2000*365.2425*86400 = 63113904000 seconds.
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const unixToZero = -978307200 + 63113904000
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// abs returns the absolute time stored in t, as seconds and nanoseconds.
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func abs(t Time) (sec, nsec int64) {
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unix := t.Unix()
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nano := t.Nanosecond()
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return unix + unixToZero, int64(nano)
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}
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// absString returns abs as a decimal string.
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func absString(t Time) string {
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sec, nsec := abs(t)
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if sec < 0 {
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sec = -sec
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nsec = -nsec
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if nsec < 0 {
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nsec += 1e9
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sec--
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}
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return fmt.Sprintf("-%d%09d", sec, nsec)
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}
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return fmt.Sprintf("%d%09d", sec, nsec)
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}
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var truncateRoundTests = []struct {
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t Time
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d Duration
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}{
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{Date(-1, January, 1, 12, 15, 30, 5e8, UTC), 3},
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{Date(-1, January, 1, 12, 15, 31, 5e8, UTC), 3},
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{Date(2012, January, 1, 12, 15, 30, 5e8, UTC), Second},
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{Date(2012, January, 1, 12, 15, 31, 5e8, UTC), Second},
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{Unix(-19012425939, 649146258), 7435029458905025217}, // 5.8*d rounds to 6*d, but .8*d+.8*d < 0 < d
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}
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func TestTruncateRound(t *testing.T) {
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var (
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bsec = new(big.Int)
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bnsec = new(big.Int)
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bd = new(big.Int)
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bt = new(big.Int)
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br = new(big.Int)
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bq = new(big.Int)
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b1e9 = new(big.Int)
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)
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b1e9.SetInt64(1e9)
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testOne := func(ti, tns, di int64) bool {
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t0 := Unix(ti, int64(tns)).UTC()
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d := Duration(di)
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if d < 0 {
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d = -d
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}
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if d <= 0 {
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d = 1
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}
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// Compute bt = absolute nanoseconds.
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sec, nsec := abs(t0)
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bsec.SetInt64(sec)
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bnsec.SetInt64(nsec)
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bt.Mul(bsec, b1e9)
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bt.Add(bt, bnsec)
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// Compute quotient and remainder mod d.
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bd.SetInt64(int64(d))
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bq.DivMod(bt, bd, br)
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// To truncate, subtract remainder.
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// br is < d, so it fits in an int64.
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r := br.Int64()
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t1 := t0.Add(-Duration(r))
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// Check that time.Truncate works.
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if trunc := t0.Truncate(d); trunc != t1 {
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t.Errorf("Time.Truncate(%s, %s) = %s, want %s\n"+
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"%v trunc %v =\n%v want\n%v",
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t0.Format(RFC3339Nano), d, trunc, t1.Format(RFC3339Nano),
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absString(t0), int64(d), absString(trunc), absString(t1))
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return false
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}
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// To round, add d back if remainder r > d/2 or r == exactly d/2.
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// The commented out code would round half to even instead of up,
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// but that makes it time-zone dependent, which is a bit strange.
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if r > int64(d)/2 || r+r == int64(d) /*&& bq.Bit(0) == 1*/ {
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t1 = t1.Add(Duration(d))
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}
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// Check that time.Round works.
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if rnd := t0.Round(d); rnd != t1 {
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t.Errorf("Time.Round(%s, %s) = %s, want %s\n"+
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"%v round %v =\n%v want\n%v",
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t0.Format(RFC3339Nano), d, rnd, t1.Format(RFC3339Nano),
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absString(t0), int64(d), absString(rnd), absString(t1))
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return false
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}
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return true
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}
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// manual test cases
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for _, tt := range truncateRoundTests {
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testOne(tt.t.Unix(), int64(tt.t.Nanosecond()), int64(tt.d))
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}
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// exhaustive near 0
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for i := 0; i < 100; i++ {
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for j := 1; j < 100; j++ {
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testOne(unixToZero, int64(i), int64(j))
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testOne(unixToZero, -int64(i), int64(j))
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if t.Failed() {
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return
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}
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}
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}
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if t.Failed() {
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return
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}
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// randomly generated test cases
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cfg := &quick.Config{MaxCount: 100000}
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if testing.Short() {
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cfg.MaxCount = 1000
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}
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// divisors of Second
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f1 := func(ti int64, tns int32, logdi int32) bool {
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d := Duration(1)
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a, b := uint(logdi%9), (logdi>>16)%9
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d <<= a
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for i := 0; i < int(b); i++ {
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d *= 5
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}
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return testOne(ti, int64(tns), int64(d))
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}
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quick.Check(f1, cfg)
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// multiples of Second
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f2 := func(ti int64, tns int32, di int32) bool {
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d := Duration(di) * Second
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if d < 0 {
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d = -d
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}
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return testOne(ti, int64(tns), int64(d))
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}
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quick.Check(f2, cfg)
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// halfway cases
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f3 := func(tns, di int64) bool {
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di &= 0xfffffffe
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if di == 0 {
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di = 2
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}
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tns -= tns % di
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if tns < 0 {
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tns += di / 2
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} else {
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tns -= di / 2
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}
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return testOne(0, tns, di)
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}
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quick.Check(f3, cfg)
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// full generality
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f4 := func(ti int64, tns int32, di int64) bool {
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return testOne(ti, int64(tns), di)
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}
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quick.Check(f4, cfg)
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}
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type ISOWeekTest struct {
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year int // year
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month, day int // month and day
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yex int // expected year
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wex int // expected week
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}
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var isoWeekTests = []ISOWeekTest{
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{1981, 1, 1, 1981, 1}, {1982, 1, 1, 1981, 53}, {1983, 1, 1, 1982, 52},
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{1984, 1, 1, 1983, 52}, {1985, 1, 1, 1985, 1}, {1986, 1, 1, 1986, 1},
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{1987, 1, 1, 1987, 1}, {1988, 1, 1, 1987, 53}, {1989, 1, 1, 1988, 52},
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{1990, 1, 1, 1990, 1}, {1991, 1, 1, 1991, 1}, {1992, 1, 1, 1992, 1},
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{1993, 1, 1, 1992, 53}, {1994, 1, 1, 1993, 52}, {1995, 1, 2, 1995, 1},
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{1996, 1, 1, 1996, 1}, {1996, 1, 7, 1996, 1}, {1996, 1, 8, 1996, 2},
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{1997, 1, 1, 1997, 1}, {1998, 1, 1, 1998, 1}, {1999, 1, 1, 1998, 53},
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{2000, 1, 1, 1999, 52}, {2001, 1, 1, 2001, 1}, {2002, 1, 1, 2002, 1},
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{2003, 1, 1, 2003, 1}, {2004, 1, 1, 2004, 1}, {2005, 1, 1, 2004, 53},
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{2006, 1, 1, 2005, 52}, {2007, 1, 1, 2007, 1}, {2008, 1, 1, 2008, 1},
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{2009, 1, 1, 2009, 1}, {2010, 1, 1, 2009, 53}, {2010, 1, 1, 2009, 53},
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{2011, 1, 1, 2010, 52}, {2011, 1, 2, 2010, 52}, {2011, 1, 3, 2011, 1},
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{2011, 1, 4, 2011, 1}, {2011, 1, 5, 2011, 1}, {2011, 1, 6, 2011, 1},
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{2011, 1, 7, 2011, 1}, {2011, 1, 8, 2011, 1}, {2011, 1, 9, 2011, 1},
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{2011, 1, 10, 2011, 2}, {2011, 1, 11, 2011, 2}, {2011, 6, 12, 2011, 23},
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{2011, 6, 13, 2011, 24}, {2011, 12, 25, 2011, 51}, {2011, 12, 26, 2011, 52},
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{2011, 12, 27, 2011, 52}, {2011, 12, 28, 2011, 52}, {2011, 12, 29, 2011, 52},
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{2011, 12, 30, 2011, 52}, {2011, 12, 31, 2011, 52}, {1995, 1, 1, 1994, 52},
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{2012, 1, 1, 2011, 52}, {2012, 1, 2, 2012, 1}, {2012, 1, 8, 2012, 1},
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{2012, 1, 9, 2012, 2}, {2012, 12, 23, 2012, 51}, {2012, 12, 24, 2012, 52},
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{2012, 12, 30, 2012, 52}, {2012, 12, 31, 2013, 1}, {2013, 1, 1, 2013, 1},
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{2013, 1, 6, 2013, 1}, {2013, 1, 7, 2013, 2}, {2013, 12, 22, 2013, 51},
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{2013, 12, 23, 2013, 52}, {2013, 12, 29, 2013, 52}, {2013, 12, 30, 2014, 1},
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{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))
|
|
}
|
|
}
|
|
}
|