{"99", time.Date(1989, time.February, 1, 1, 1, 1, 99000, time.UTC), "99"},
		{"999", time.Date(2017, time.January, 1, 1, 1, 1, 999000, time.UTC), "999"},
		{"9999", time.Date(2083, time.March, 1, 1, 1, 1, 9999000, time.UTC), "9999"},
		{"99999", time.Date(2083, time.March, 1, 1, 1, 1, 99999000, time.UTC), "99999"},
		{"999999", time.Date(2083, time.March, 1, 1, 1, 1, 999999000, time.UTC), "999999"},
	}

	for _, v := range cases {

	// 9 digits
	{"2021-09-29T16:04:33.000000000Z", 0},
	{"2021-09-29T16:04:33.000000001Z", 1},
	{"2021-09-29T16:04:33.100000000Z", 100_000_000},
	{"2021-09-29T16:04:33.100000001Z", 100_000_001},
	{"2021-09-29T16:04:33.999999999Z", 999_999_999},
	{"2021-09-29T16:04:33.012345678Z", 12_345_678},
	// 10 digits, truncates
	{"2021-09-29T16:04:33.0000000000Z", 0},
	{"2021-09-29T16:04:33.0000000001Z", 0},

		{
			duration: &durationpb.Duration{Seconds: 1},
			isValid:  true,
		},
		{
			duration: &durationpb.Duration{Seconds: 31},
			isValid:  true,
		},
		{
			duration: &durationpb.Duration{Seconds: 999999999},
			isValid:  false,
		},
	}

	for _, check := range checks {
		if got := ValidateConnectTimeout(check.duration); (got == nil) != check.isValid {

func TestHandlerFinishSkipBigContentLengthRead(t *testing.T) {
	setParallel(t)
	conn := newTestConn()
	conn.readBuf.WriteString(
		"POST / HTTP/1.1\r\n" +
			"Host: test\r\n" +
			"Content-Length: 9999999999\r\n" +
			"\r\n" + strings.Repeat("a", 1<<20))

	ls := &oneConnListener{conn}
	var inHandlerLen int
	go Serve(ls, HandlerFunc(func(rw ResponseWriter, req *Request) {
		inHandlerLen = conn.readBuf.Len()