func TestFormatISO(t *testing.T) {
cases := []struct {
value string
n int
}{
{"-5000-02-03", 4},
{"-05000-02-03", 5},
{"-005000-02-03", 6},
{"+0000-01-01", 4},
{"+00000-01-01", 5},
{"+1000-01-01", 4},
{"+01000-01-01", 5},
{"+1970-01-01", 4},
{"+001999-12-31", 6},
{"+999999-12-31", 6},
}
for _, c := range cases {
d, err := date.ParseISO(c.value)
if err != nil {
t.Errorf("FormatISO(%v) cannot parse input: %v", c.value, err)
continue
}
value := d.FormatISO(c.n)
if value != c.value {
t.Errorf("FormatISO(%v) == %v, want %v", c, value, c.value)
}
}
}
func ExampleParseISO() {
d, _ := date.ParseISO("+12345-06-07")
year, month, day := d.Date()
fmt.Println(year)
fmt.Println(month)
fmt.Println(day)
// Output:
// 12345
// June
// 7
}
func TestParseISO(t *testing.T) {
cases := []struct {
value string
year int
month time.Month
day int
}{
{"1969-12-31", 1969, time.December, 31},
{"+1970-01-01", 1970, time.January, 1},
{"+01970-01-02", 1970, time.January, 2},
{"2000-02-28", 2000, time.February, 28},
{"+2000-02-29", 2000, time.February, 29},
{"+02000-03-01", 2000, time.March, 1},
{"+002004-02-28", 2004, time.February, 28},
{"2004-02-29", 2004, time.February, 29},
{"2004-03-01", 2004, time.March, 1},
{"0000-01-01", 0, time.January, 1},
{"+0001-02-03", 1, time.February, 3},
{"+00019-03-04", 19, time.March, 4},
{"0100-04-05", 100, time.April, 5},
{"2000-05-06", 2000, time.May, 6},
{"+30000-06-07", 30000, time.June, 7},
{"+400000-07-08", 400000, time.July, 8},
{"+5000000-08-09", 5000000, time.August, 9},
{"-0001-09-11", -1, time.September, 11},
{"-0019-10-12", -19, time.October, 12},
{"-00100-11-13", -100, time.November, 13},
{"-02000-12-14", -2000, time.December, 14},
{"-30000-02-15", -30000, time.February, 15},
{"-0400000-05-16", -400000, time.May, 16},
{"-5000000-09-17", -5000000, time.September, 17},
}
for _, c := range cases {
d, err := date.ParseISO(c.value)
if err != nil {
t.Errorf("ParseISO(%v) == %v", c.value, err)
}
year, month, day := d.Date()
if year != c.year || month != c.month || day != c.day {
t.Errorf("ParseISO(%v) == %v, want (%v, %v, %v)", c.value, d, c.year, c.month, c.day)
}
}
badCases := []string{
"1234-05",
"1234-5-6",
"1234-05-6",
"1234-5-06",
"12340506",
"1234/05/06",
"1234-0A-06",
"1234-05-0B",
"1234-05-06trailing",
"padding1234-05-06",
"1-02-03",
"10-11-12",
"100-02-03",
"+1-02-03",
"+10-11-12",
"+100-02-03",
"-123-05-06",
}
for _, c := range badCases {
d, err := date.ParseISO(c)
if err == nil {
t.Errorf("ParseISO(%v) == %v", c, d)
}
}
}