assertEquals(golden100[i], Hashing.consistentHash(i, 100));
    }
    assertEquals(6, Hashing.consistentHash(10863919174838991L, 11));
    assertEquals(3, Hashing.consistentHash(2016238256797177309L, 11));
    assertEquals(5, Hashing.consistentHash(1673758223894951030L, 11));
    assertEquals(80343, Hashing.consistentHash(2, 100001));
    assertEquals(22152, Hashing.consistentHash(2201, 100001));

    assertNull(Optional.toJavaUtil(null));
    assertEquals(java.util.Optional.empty(), Optional.toJavaUtil(Optional.absent()));
    assertEquals(java.util.Optional.of("abc"), Optional.toJavaUtil(Optional.of("abc")));
  }

  public void testToJavaUtil_instance() {
    assertEquals(java.util.Optional.empty(), Optional.absent().toJavaUtil());
    assertEquals(java.util.Optional.of("abc"), Optional.of("abc").toJavaUtil());
  }

    assertEquals(1, Iterators.size(registry.getSubscribers(1)));

    registry.register(new IntegerSubscriber());
    assertEquals(3, Iterators.size(registry.getSubscribers("")));
    assertEquals(1, Iterators.size(registry.getSubscribers(new Object())));
    assertEquals(2, Iterators.size(registry.getSubscribers(1)));
  }

  public void testGetSubscribers_returnsImmutableSnapshot() {

    assertEquals("", MoreFiles.getFileExtension(root()));
    assertEquals("", MoreFiles.getFileExtension(FS.getPath(".")));
    assertEquals("", MoreFiles.getFileExtension(FS.getPath("..")));
    assertEquals("", MoreFiles.getFileExtension(FS.getPath("...")));
    assertEquals("", MoreFiles.getFileExtension(FS.getPath("blah")));
    assertEquals("", MoreFiles.getFileExtension(FS.getPath("blah.")));

import java.util.function.Consumer;
import java.util.logging.Logger;

import static org.codelibs.curl.io.ContentOutputStream.PREFIX;
import static org.codelibs.curl.io.ContentOutputStream.SUFFIX;
import static org.junit.Assert.assertEquals;

public class IOIntegrationTest {

    private static final Logger logger = Logger.getLogger(IOIntegrationTest.class.getName());

    class MockCurlRequest extends CurlRequest {

    writer.write(',');
    writer.write(0xBEEF0020); // only lower 16 bits are important
    writer.write("Wo");
    writer.write("Whirled".toCharArray(), 3, 2);
    writer.write("Mad! Mad, I say", 2, 2);

    assertEquals("Hello, World!", builder.toString());
  }

  public void testAppendMethods() throws IOException {
    StringBuilder builder = new StringBuilder();
    Writer writer = new AppendableWriter(builder);

    assertEquals(
        GeneralRange.range(ORDERING, 2, CLOSED, 4, OPEN),
        range.intersect(GeneralRange.<@Nullable Integer>range(ORDERING, null, OPEN, 5, CLOSED)));

    assertEquals(
        GeneralRange.range(ORDERING, 2, OPEN, 4, OPEN),
        range.intersect(GeneralRange.range(ORDERING, 2, OPEN, 5, CLOSED)));

    assertEquals(

    assertEquals(Short.valueOf((short) 0), ArbitraryInstances.get(short.class));
    assertEquals(Short.valueOf((short) 0), ArbitraryInstances.get(Short.class));
    assertEquals(Integer.valueOf(0), ArbitraryInstances.get(int.class));
    assertEquals(Integer.valueOf(0), ArbitraryInstances.get(Integer.class));
    assertEquals(Long.valueOf(0), ArbitraryInstances.get(long.class));

        org.setUrl("https://maven.localdomain");

        assertEquals("Organization {name=Testing Maven Unit, url=https://maven.localdomain}", org.toString());
    }

    public void testToStringNotNonsense10() {
        Organization org = new Organization();
        org.setName("Testing Maven Unit");

        assertEquals("Organization {name=Testing Maven Unit, url=null}", org.toString());
    }

    assertEquals(0, actual.indexOf(list(1, 3)));
    assertEquals(1, actual.indexOf(list(1, 4)));
    assertEquals(2, actual.indexOf(list(2, 3)));
    assertEquals(3, actual.indexOf(list(2, 4)));
    assertEquals(-1, actual.indexOf(list(3, 1)));

    assertEquals(-1, actual.indexOf(list(1)));
    assertEquals(-1, actual.indexOf(list(1, 1, 1)));
  }