pvc.Spec.AccessModes = []v1.PersistentVolumeAccessMode{v1.ReadWriteOnce}
				pvc.Spec.StorageClassName = &classLarge
			}),
		},
		"successful-no-match-way-too-large": {
			expectedMatch: "",
			claim: makePVC("950E", func(pvc *v1.PersistentVolumeClaim) {
				pvc.Spec.AccessModes = []v1.PersistentVolumeAccessMode{v1.ReadWriteOnce}
				pvc.Spec.StorageClassName = &classLarge
			}),
		},
	}

0c00 1500 1e00 2700 3000 3900 4200 4b00 5400 5d00 6600 6f00 7800 8100 8a00 9300 9c00 a500 ae00 b700 c000 c900 d200 db00 e400 ed00 f600 ff00 e7ff ccff b1ff 96ff 
0e00 1700 2000 2900 3200 3b00 4400 4d00 5600 5f00 6800 7100 7a00 8300 8c00 9500 9e00 a700 b000 b900 c200 cb00 d400 dd00 e600 ef00 f800 fcff e1ff c6ff abff 90ff 
1000 1900 2200 2b00 3400 3d00 4600 4f00 5800 6100 6a00 7300 7c00 8500 8e00 9700 a000 a900 b200 bb00 c400 cd00 d600 df00 e800 f100 fa00 f6ff dbff c0ff a5ff 8aff 

	a[936] = 0
	a[937] = 0
	a[938] = 0
	a[939] = 0
	a[940] = 0
	a[941] = 0
	a[942] = 0
	a[943] = 0
	a[944] = 0
	a[945] = 0
	a[946] = 0
	a[947] = 0
	a[948] = 0
	a[949] = 0
	a[950] = 0
	a[951] = 0
	a[952] = 0
	a[953] = 0
	a[954] = 0
	a[955] = 0
	a[956] = 0
	a[957] = 0
	a[958] = 0
	a[959] = 0
	a[960] = 0
	a[961] = 0
	a[962] = 0
	a[963] = 0
	a[964] = 0

00000180  72 f1 5f 9b 14 96 c9 c6  53 e6 32 b2 0b cc d5 d7  |r._.....S.2.....|
00000190  89 1e d9 52 fb 8f 48 8b  41 6e c6 f3 55 57 41 5d  |...R..H.An..UWA]|
000001a0  95 03 9c 34 ea 3c a8 58  8d b7 89 82 e1 40 e0 60  |...4.<.X.....@.`|
000001b0  22 ab 23 30 e8 f0 4e 21  a1 11 0a 7f 18 80 ad de  |".#0..N!........|
000001c0  41 ba a1 12 60 31 60 0f  84 f6 91 b1 ae ca f5 81  |A...`1`.........|

000002d0  13 19 85 99 cb 09 f3 5c  3a a1 b2 16 ee 77 6a cd  |.......\:....wj.|
000002e0  23 6c 08 00 7e 6b c0 67  a8 cd 8b 62 64 08 04 00  |#l..~k.g...bd...|
000002f0  80 90 74 bf ce f7 94 f1  94 b1 95 04 4a ab d6 08  |..t.........J...|
00000300  23 11 8d ce 4e 7b 36 ee  67 d2 26 af 11 0e 33 58  |#...N{6.g.&...3X|
00000310  12 cb e5 3b 5b 5c f3 d1  82 19 2e 55 6b 98 05 6e  |...;[\.....Uk..n|

000002b0  bd 42 d4 db fe 3d 13 60  84 5c 21 d3 3b e9 fa e7  |.B...=.`.\!.;...|
000002c0  16 03 01 00 aa 0c 00 00  a6 03 00 1d 20 55 51 65  |............ UQe|
000002d0  bb 06 22 d7 d6 97 39 d1  f4 dc 95 06 b3 a4 a7 00  |.."...9.........|
000002e0  d1 e5 98 bc 97 12 03 25  03 12 ab 20 4f 00 80 71  |.......%... O..q|
000002f0  8d 3c 54 44 ba df 73 92  76 16 d1 ec b1 de a2 27  |.<TD..s.v......'|

	cancel()
}

func BenchmarkSendFile(b *testing.B) {
	if runtime.GOOS == "windows" {
		// TODO(panjf2000): Windows has not yet implemented FileConn,
		//		remove this when it's implemented in https://go.dev/issues/9503.
		b.Skipf("skipping on %s", runtime.GOOS)
	}

	b.Run("file-to-tcp", func(b *testing.B) { benchmarkSendFile(b, "tcp") })
	b.Run("file-to-unix", func(b *testing.B) { benchmarkSendFile(b, "unix") })
}

000001e0  55 40 4e a2 b0 14 1b 50  d7 9d 12 80 89 ab 88 a5  |U@N....P........|
000001f0  01 16 88 d5 4f 95 0c ce  79 c7 49 27 4b 44 4d fe  |....O...y.I'KDM.|
00000200  f5 cd 95 08 b9 26 8d 52  ff d7 bc 47 11 16 d5 d0  |.....&.R...G....|
00000210  7d 4c 3c 04 74 92 5b 85  d2 2c 95 b8 4b 02 0b 66  |}L<.t.[..,..K..f|
00000220  60 7d b9 12 6e d3 06 73  cc c2 69 b9 fe ad f9 4c  |`}..n..s..i....L|

// does not actually use cgo.
const cgoAvailable = true

const (
	_DNS_ERROR_RCODE_NAME_ERROR = syscall.Errno(9003)
	_DNS_INFO_NO_RECORDS        = syscall.Errno(9501)

	_WSAHOST_NOT_FOUND = syscall.Errno(11001)
	_WSATRY_AGAIN      = syscall.Errno(11002)
	_WSATYPE_NOT_FOUND = syscall.Errno(10109)
)

func winError(call string, err error) error {
	switch err {

	t.Helper()

	if runtime.GOOS == "windows" {
		// TODO(panjf2000): Windows has not yet implemented FileConn,
		//		remove this when it's implemented in https://go.dev/issues/9503.
		t.Fatalf("startTestSocketPeer is not supported on %s", runtime.GOOS)
	}

	f, err := conn.(interface{ File() (*os.File, error) }).File()
	if err != nil {
		return nil, err
	}