package whois

import "testing"

func TestParseDateAutoRFC3339(t *testing.T) {
	got := parseDateAuto("2026-03-17T12:34:56+08:00")
	if got.IsZero() {
		t.Fatal("expected RFC3339 offset date to parse")
	}
}

func TestParseDateAutoRFC3339Nano(t *testing.T) {
	got := parseDateAuto("2026-03-17T12:34:56.123456789Z")
	if got.IsZero() {
		t.Fatal("expected RFC3339Nano date to parse")
	}
}

func TestParseDateAutoInvalid(t *testing.T) {
	got := parseDateAuto("invalid-date-value")
	if !got.IsZero() {
		t.Fatal("expected invalid date to return zero time")
	}
}

func TestParseDateAutoDotDayMonth(t *testing.T) {
	got := parseDateAuto("16.2.1999 00:00:00")
	if got.IsZero() {
		t.Fatal("expected dot day/month date to parse")
	}
}

func TestParseDateAutoWeekdayFormat(t *testing.T) {
	got := parseDateAuto("Tue Jan 16 10:31:46 2001")
	if got.IsZero() {
		t.Fatal("expected weekday date to parse")
	}
}

func TestParseDateAutoGMTOffsetSuffix(t *testing.T) {
	got := parseDateAuto("14-07-2009 00:00:00 GMT+1")
	if got.IsZero() {
		t.Fatal("expected GMT+offset date to parse")
	}
}