{"2021-09-29T16:04:33.00123456789Z", 1_234_567},
	// 12 digits, truncates
	{"2021-09-29T16:04:33.000123456789Z", 123_456},
	// 15 digits, truncates
	{"2021-09-29T16:04:33.9999999999999999Z", 999_999_999},
}

// Issue 48685 and 54567.
func TestParseFractionalSecondsLongerThanNineDigits(t *testing.T) {
	for _, tt := range longFractionalDigitsTests {

		}
	}
}

func TestZeroSet(t *testing.T) {
	type T [16]byte
	type S struct {
		a uint64
		T T
		b uint64
	}
	v := S{
		a: 0xaaaaaaaaaaaaaaaa,
		T: T{9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9},
		b: 0xbbbbbbbbbbbbbbbb,
	}
	ValueOf(&v).Elem().Field(1).Set(Zero(TypeOf(T{})))
	if v != (S{
		a: 0xaaaaaaaaaaaaaaaa,
		b: 0xbbbbbbbbbbbbbbbb,
	}) {