f.createNewFile();
            try {
                try ( OutputStream os = f.getOutputStream() ) {
                    os.write(new byte[] {
                        1, 2, 3, 4, 5, 6, 7, 8
                    });
                }

                try ( InputStream is = f.getInputStream() ) {
                    for ( int i = 0; i < 8; i++ ) {
                        is.read();

		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,
		NumVersions:      1,

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package dsync

import (
	"context"
	"fmt"
	"runtime"
	"sync/atomic"
	"testing"
	"time"
)

const (
	id     = "1234-5678"
	source = "main.go"
)

func testSimpleWriteLock(t *testing.T, duration time.Duration) (locked bool) {
	drwm1 := NewDRWMutex(ds, "simplelock")
	ctx1, cancel1 := context.WithCancel(context.Background())

}

func benchmarkCompareBytesBigUnaligned(b *testing.B, offset int) {
	b.StopTimer()
	b1 := make([]byte, 0, 1<<20)
	for len(b1) < 1<<20 {
		b1 = append(b1, "Hello Gophers!"...)
	}
	b2 := append([]byte("12345678")[:offset], b1...)
	b.StartTimer()
	for j := 0; j < b.N; j++ {
		if Compare(b1, b2[offset:]) != 0 {
			b.Fatal("b1 != b2")
		}
	}
	b.SetBytes(int64(len(b1)))
}

    assertEquals("1.2.3.4", InetAddresses.toAddrString(InetAddresses.forString("1.2.3.4")));
  }

  public void testToAddrStringIPv6() {
    assertEquals(
        "1:2:3:4:5:6:7:8", InetAddresses.toAddrString(InetAddresses.forString("1:2:3:4:5:6:7:8")));
    assertEquals(
        "2001:0:0:4::8", InetAddresses.toAddrString(InetAddresses.forString("2001:0:0:4:0:0:0:8")));
    assertEquals(
        "2001::4:5:6:7:8",

    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,

                        // f.exists();
                        // try ( OutputStream os = f.openOutputStream(false, SmbConstants.FILE_NO_SHARE) ) {
                        // os.write(new byte[] {
                        // 1, 2, 3, 4, 5, 6, 7, 8
                        // });
                        // }
                        //
                        // try ( InputStream is = f.openInputStream(SmbConstants.FILE_NO_SHARE) ) {

    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,

		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,

        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(