Add TimeToJDate with tests
This commit is contained in:
Petar Kapriš
parent
d862f6c35d
commit
6f6b203c5b
2 changed files with 102 additions and 0 deletions
|
|
@ -120,3 +120,26 @@ func JDateToTime(d Date) time.Time {
|
|||
d = dateDiff(d, offset)
|
||||
return time.Date(d.year, d.month, d.day, 0, 0, 0, 0, time.UTC)
|
||||
}
|
||||
|
||||
func TimeToJDate(t time.Time) Date {
|
||||
offset := -2
|
||||
// The date when the offset changes in the gregorian calendar is always
|
||||
// 1st of March, so we can always just check the year, and see if we're
|
||||
// past 1st of March year
|
||||
year := t.Year()
|
||||
if t.Month() < time.March {
|
||||
year--
|
||||
}
|
||||
|
||||
borderYear := 100
|
||||
for year >= borderYear {
|
||||
if borderYear%400 != 0 {
|
||||
offset++
|
||||
}
|
||||
borderYear += 100
|
||||
}
|
||||
|
||||
d := Date{t.Year(), t.Month(), t.Day()}
|
||||
d = dateDiff(d, -offset)
|
||||
return d
|
||||
}
|
||||
|
|
|
|||
|
|
@ -145,3 +145,82 @@ func TestJDateToTime(t *testing.T) {
|
|||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestTimeToJDate(t *testing.T) {
|
||||
gDate := func(year int, month time.Month, day int) time.Time {
|
||||
return time.Date(year, month, day, 0, 0, 0, 0, time.UTC)
|
||||
}
|
||||
var tests = []struct {
|
||||
gd time.Time
|
||||
want Date
|
||||
}{
|
||||
{gDate(100, time.February, 27), Date{100, time.February, 29}},
|
||||
{gDate(100, time.February, 28), Date{100, time.March, 1}},
|
||||
{gDate(100, time.March, 1), Date{100, time.March, 2}},
|
||||
{gDate(200, time.February, 27), Date{200, time.February, 28}},
|
||||
{gDate(200, time.February, 28), Date{200, time.February, 29}},
|
||||
{gDate(200, time.March, 1), Date{200, time.March, 1}},
|
||||
{gDate(300, time.February, 28), Date{300, time.February, 28}},
|
||||
{gDate(300, time.March, 1), Date{300, time.February, 29}},
|
||||
{gDate(300, time.March, 2), Date{300, time.March, 1}},
|
||||
{gDate(500, time.March, 1), Date{500, time.February, 28}},
|
||||
{gDate(500, time.March, 2), Date{500, time.February, 29}},
|
||||
{gDate(500, time.March, 3), Date{500, time.March, 1}},
|
||||
{gDate(600, time.March, 2), Date{600, time.February, 28}},
|
||||
{gDate(600, time.March, 3), Date{600, time.February, 29}},
|
||||
{gDate(600, time.March, 4), Date{600, time.March, 1}},
|
||||
{gDate(700, time.March, 3), Date{700, time.February, 28}},
|
||||
{gDate(700, time.March, 4), Date{700, time.February, 29}},
|
||||
{gDate(700, time.March, 5), Date{700, time.March, 1}},
|
||||
{gDate(900, time.March, 4), Date{900, time.February, 28}},
|
||||
{gDate(900, time.March, 5), Date{900, time.February, 29}},
|
||||
{gDate(900, time.March, 6), Date{900, time.March, 1}},
|
||||
{gDate(1000, time.March, 5), Date{1000, time.February, 28}},
|
||||
{gDate(1000, time.March, 6), Date{1000, time.February, 29}},
|
||||
{gDate(1000, time.March, 7), Date{1000, time.March, 1}},
|
||||
{gDate(1100, time.March, 6), Date{1100, time.February, 28}},
|
||||
{gDate(1100, time.March, 7), Date{1100, time.February, 29}},
|
||||
{gDate(1100, time.March, 8), Date{1100, time.March, 1}},
|
||||
{gDate(1300, time.March, 7), Date{1300, time.February, 28}},
|
||||
{gDate(1300, time.March, 8), Date{1300, time.February, 29}},
|
||||
{gDate(1300, time.March, 9), Date{1300, time.March, 1}},
|
||||
{gDate(1400, time.March, 8), Date{1400, time.February, 28}},
|
||||
{gDate(1400, time.March, 9), Date{1400, time.February, 29}},
|
||||
{gDate(1400, time.March, 10), Date{1400, time.March, 1}},
|
||||
{gDate(1500, time.March, 9), Date{1500, time.February, 28}},
|
||||
{gDate(1500, time.March, 10), Date{1500, time.February, 29}},
|
||||
{gDate(1500, time.March, 11), Date{1500, time.March, 1}},
|
||||
{gDate(1582, time.October, 14), Date{1582, time.October, 4}},
|
||||
{gDate(1582, time.October, 15), Date{1582, time.October, 5}},
|
||||
{gDate(1582, time.October, 16), Date{1582, time.October, 6}},
|
||||
{gDate(1700, time.February, 28), Date{1700, time.February, 18}},
|
||||
{gDate(1700, time.March, 1), Date{1700, time.February, 19}},
|
||||
{gDate(1700, time.March, 10), Date{1700, time.February, 28}},
|
||||
{gDate(1700, time.March, 11), Date{1700, time.February, 29}},
|
||||
{gDate(1700, time.March, 12), Date{1700, time.March, 1}},
|
||||
{gDate(1800, time.February, 28), Date{1800, time.February, 17}},
|
||||
{gDate(1800, time.March, 1), Date{1800, time.February, 18}},
|
||||
{gDate(1800, time.March, 11), Date{1800, time.February, 28}},
|
||||
{gDate(1800, time.March, 12), Date{1800, time.February, 29}},
|
||||
{gDate(1800, time.March, 13), Date{1800, time.March, 1}},
|
||||
{gDate(1900, time.February, 28), Date{1900, time.February, 16}},
|
||||
{gDate(1900, time.March, 1), Date{1900, time.February, 17}},
|
||||
{gDate(1900, time.March, 12), Date{1900, time.February, 28}},
|
||||
{gDate(1900, time.March, 13), Date{1900, time.February, 29}},
|
||||
{gDate(1900, time.March, 14), Date{1900, time.March, 1}},
|
||||
{gDate(2100, time.February, 28), Date{2100, time.February, 15}},
|
||||
{gDate(2100, time.March, 1), Date{2100, time.February, 16}},
|
||||
{gDate(2100, time.March, 13), Date{2100, time.February, 28}},
|
||||
{gDate(2100, time.March, 14), Date{2100, time.February, 29}},
|
||||
}
|
||||
|
||||
for _, tt := range tests {
|
||||
testname := fmt.Sprintf("%v, %v", tt.gd, tt.want)
|
||||
t.Run(testname, func(t *testing.T) {
|
||||
ans := TimeToJDate(tt.gd)
|
||||
if ans != tt.want {
|
||||
t.Errorf("got %v, want %v", ans, tt.want)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue