File size: 4,483 Bytes
04dc9f2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 | // Copyright 2024 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
type testingT interface {
Error(args ...any)
Errorf(format string, args ...any)
Fail()
FailNow()
Failed() bool
Fatal(args ...any)
Fatalf(format string, args ...any)
Helper()
Log(args ...any)
Logf(format string, args ...any)
Skip(args ...any)
SkipNow()
Skipf(format string, args ...any)
}
var InternalTests = []struct {
Name string
Test func(testingT)
}{
{"AbsDaysSplit", testAbsDaysSplit},
{"AbsYdaySplit", testAbsYdaySplit},
{"AbsDate", testAbsDate},
{"DateToAbsDays", testDateToAbsDays},
{"DaysIn", testDaysIn},
{"DaysBefore", testDaysBefore},
}
func testAbsDaysSplit(t testingT) {
isLeap := func(year uint64) bool {
return year%4 == 0 && (year%100 != 0 || year%400 == 0)
}
bad := 0
wantYear := uint64(0)
wantYday := absYday(0)
for days := range absDays(1e6) {
century, cyear, yday := days.split()
if century != absCentury(wantYear/100) || cyear != absCyear(wantYear%100) || yday != wantYday {
t.Errorf("absDays(%d).split() = %d, %d, %d, want %d, %d, %d",
days, century, cyear, yday,
wantYear/100, wantYear%100, wantYday)
if bad++; bad >= 20 {
t.Fatalf("too many errors")
}
}
end := absYday(365)
if isLeap(wantYear + 1) {
end = 366
}
if wantYday++; wantYday == end {
wantYear++
wantYday = 0
}
}
}
func testAbsYdaySplit(t testingT) {
ends := []int{31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 31, 29}
bad := 0
wantMonth := absMonth(3)
wantDay := 1
for yday := range absYday(366) {
month, day := yday.split()
if month != wantMonth || day != wantDay {
t.Errorf("absYday(%d).split() = %d, %d, want %d, %d", yday, month, day, wantMonth, wantDay)
if bad++; bad >= 20 {
t.Fatalf("too many errors")
}
}
if wantDay++; wantDay > ends[wantMonth-3] {
wantMonth++
wantDay = 1
}
}
}
func testAbsDate(t testingT) {
ends := []int{31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
isLeap := func(year int) bool {
y := uint64(year) + absoluteYears
return y%4 == 0 && (y%100 != 0 || y%400 == 0)
}
wantYear := 0
wantMonth := March
wantMday := 1
wantYday := 31 + 29 + 1
bad := 0
absoluteYears := int64(absoluteYears)
for days := range absDays(1e6) {
year, month, mday := days.date()
year += int(absoluteYears)
if year != wantYear || month != wantMonth || mday != wantMday {
t.Errorf("days(%d).date() = %v, %v, %v, want %v, %v, %v", days,
year, month, mday,
wantYear, wantMonth, wantMday)
if bad++; bad >= 20 {
t.Fatalf("too many errors")
}
}
year, yday := days.yearYday()
year += int(absoluteYears)
if year != wantYear || yday != wantYday {
t.Errorf("days(%d).yearYday() = %v, %v, want %v, %v, ", days,
year, yday,
wantYear, wantYday)
if bad++; bad >= 20 {
t.Fatalf("too many errors")
}
}
if wantMday++; wantMday == ends[wantMonth-1]+1 || wantMonth == February && wantMday == 29 && !isLeap(year) {
wantMonth++
wantMday = 1
}
wantYday++
if wantMonth == December+1 {
wantYear++
wantMonth = January
wantMday = 1
wantYday = 1
}
}
}
func testDateToAbsDays(t testingT) {
isLeap := func(year int64) bool {
return year%4 == 0 && (year%100 != 0 || year%400 == 0)
}
wantDays := absDays(marchThruDecember)
bad := 0
for year := int64(1); year < 10000; year++ {
days := dateToAbsDays(year-absoluteYears, January, 1)
if days != wantDays {
t.Errorf("dateToAbsDays(abs %d, Jan, 1) = %d, want %d", year, days, wantDays)
if bad++; bad >= 20 {
t.Fatalf("too many errors")
}
}
wantDays += 365
if isLeap(year) {
wantDays++
}
}
}
func testDaysIn(t testingT) {
isLeap := func(year int) bool {
return year%4 == 0 && (year%100 != 0 || year%400 == 0)
}
want := []int{0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
bad := 0
for year := 0; year <= 1600; year++ {
for m := January; m <= December; m++ {
w := want[m]
if m == February && isLeap(year) {
w++
}
d := daysIn(m, year-800)
if d != w {
t.Errorf("daysIn(%v, %d) = %d, want %d", m, year-800, d, w)
if bad++; bad >= 20 {
t.Fatalf("too many errors")
}
}
}
}
}
func testDaysBefore(t testingT) {
for m, want := range []int{0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365} {
d := daysBefore(Month(m + 1))
if d != want {
t.Errorf("daysBefore(%d) = %d, want %d", m, d, want)
}
}
}
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