package clock import ( "testing" "time" ) func TestNow_IsUTC(t *testing.T) { now := Now() if now.Location() != time.UTC { t.Fatalf("location = %v, want UTC", now.Location()) } } func TestFromUnixNano_RoundTrip(t *testing.T) { nano := NowUnixNano() parsed := FromUnixNano(nano) if parsed.UnixNano() != nano { t.Fatalf("parsed = %d, want %d", parsed.UnixNano(), nano) } if parsed.Location() != time.UTC { t.Fatalf("location = %v, want UTC", parsed.Location()) } }