if result != want {
			t.Errorf("(jan 1 %d).Format(\"2006.01.02\") = %q, want %q", y, result, want)
		}
	}
}

type ParseTest struct {
	name       string
	format     string
	value      string
	hasTZ      bool // contains a time zone
	hasWD      bool // contains a weekday
	yearSign   int  // sign of year, -1 indicates the year is not present in the format
	fracDigits int  // number of digits of fractional second
}