Parts:            nil,
		Erasure: ErasureInfo{
			Algorithm:    ReedSolomon.String(),
			DataBlocks:   4,
			ParityBlocks: 2,
			BlockSize:    10000,
			Index:        1,
			Distribution: []int{1, 2, 3, 4, 5, 6, 7, 8},
			Checksums: []ChecksumInfo{{
				PartNumber: 1,
				Algorithm:  HighwayHash256S,
				Hash:       nil,
			}},
		},
		MarkDeleted:      false,
		Data:             data,
		NumVersions:      1,

	{"1234:567::89a:bcde", "e.d.c.b.a.9.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.6.5.0.4.3.2.1.ip6.arpa.", ""},
	{"1234:567:fefe:bcbc:adad:9e4a:89a:bcde", "e.d.c.b.a.9.8.0.a.4.e.9.d.a.d.a.c.b.c.b.e.f.e.f.7.6.5.0.4.3.2.1.ip6.arpa.", ""},
	{"1.2.3", "", "unrecognized address"},
	{"1.2.3.4.5", "", "unrecognized address"},
	{"1234:567:bcbca::89a:bcde", "", "unrecognized address"},

    assertInvalid("http://[::g]/", "Invalid URL host: \"[::g]\"")
  }

  @Test
  fun hostIpv6CanonicalForm() {
    assertThat(parse("http://[abcd:ef01:2345:6789:abcd:ef01:2345:6789]/").host)
      .isEqualTo("abcd:ef01:2345:6789:abcd:ef01:2345:6789")
    assertThat(parse("http://[a:0:0:0:b:0:0:0]/").host).isEqualTo("a::b:0:0:0")
    assertThat(parse("http://[a:b:0:0:c:0:0:0]/").host).isEqualTo("a:b:0:0:c::")

	go func() {
		pw.Write([]byte("7\r\n1234567"))
	}()
	cr := NewChunkedReader(pr)
	readBuf := make([]byte, 7)
	n, err := cr.Read(readBuf)
	if err != nil {
		t.Fatal(err)
	}
	want := "1234567"
	if n != 7 || string(readBuf) != want {
		t.Fatalf("Read: %v %q; want %d, %q", n, readBuf[:n], len(want), want)
	}
	go func() {
		pw.Write([]byte("xx"))
	}()
	_, err = cr.Read(readBuf)

	{"01234567xxxxx"[1:], "01234567", false},
	{"xxxxx01234567"[:12], "01234567", false},
	// 9-15-byte needle
	{"xxxxxxxxxxxxx", "012345678", false},
	{"012345678xxxx", "012345678", true},
	{"xx012345678xx", "012345678", true},
	{"xxxx012345678", "012345678", true},
	{"012345678xxxxx"[1:], "012345678", false},
	{"xxxxx012345678"[:13], "012345678", false},
	// 16-byte needle

    assertPermutationsCount(6, Collections2.permutations(newArrayList(1, 2, 3)));
    assertPermutationsCount(5040, Collections2.permutations(newArrayList(1, 2, 3, 4, 5, 6, 7)));
    assertPermutationsCount(40320, Collections2.permutations(newArrayList(1, 2, 3, 4, 5, 6, 7, 8)));
  }

  public void testPermutationSetSizeOverflow() {
    // 13 elements overflow an int
    assertEquals(
        Integer.MAX_VALUE,

	s5 = 0x34 // accept 3, size 4
	s6 = 0x04 // accept 0, size 4
	s7 = 0x44 // accept 4, size 4
)

// first is information about the first byte in a UTF-8 sequence.
var first = [256]uint8{
	//   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F
	as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, // 0x00-0x0F
	as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, as, // 0x10-0x1F

		// IPv4 field has value >255
		"192.168.300.1",
		// IPv4 with too many fields
		"192.168.0.1.5.6",
		// IPv6 with not enough fields
		"1:2:3:4:5:6:7",
		// IPv6 with too many fields
		"1:2:3:4:5:6:7:8:9",
		// IPv6 with 8 fields and a :: expander
		"1:2:3:4::5:6:7:8",
		// IPv6 with a field bigger than 2b
		"fe801::1",
		// IPv6 with non-hex values in field
		"fe80:tail:scal:e::",

        Proxy(Proxy.Type.HTTP, InetSocketAddress.createUnresolved("proxy.example.com", 1003)),
        InetSocketAddress(ipv4Address, 5678),
      ).toString(),
    ).isEqualTo("example.com:1003 via proxy 1.2.3.4:5678")
  }

  @Test fun routeToStringIpv6() {
    val ipv6Address =
      InetAddress.getByAddress(
        byteArrayOf(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1),
      )
    assertThat(

			},
		},
		Erasure: ErasureInfo{
			Algorithm:    ReedSolomon.String(),
			DataBlocks:   4,
			ParityBlocks: 2,
			BlockSize:    10000,
			Index:        1,
			Distribution: []int{1, 2, 3, 4, 5, 6, 7, 8},
			Checksums: []ChecksumInfo{
				{
					PartNumber: 1,
					Algorithm:  HighwayHash256S,
					Hash:       nil,
				},
				{
					PartNumber: 2,
					Algorithm:  HighwayHash256S,