ByteSource b1 = ByteSource.wrap(new byte[] {0, 1, 2, 3});
    ByteSource b2 = ByteSource.wrap(new byte[0]);
    ByteSource b3 = ByteSource.wrap(new byte[] {4, 5});

    byte[] expected = {0, 1, 2, 3, 4, 5};

    assertArrayEquals(expected, ByteSource.concat(ImmutableList.of(b1, b2, b3)).read());
    assertArrayEquals(expected, ByteSource.concat(b1, b2, b3).read());

func cmpReaders(r1, r2 io.Reader) (bool, string) {
	bufLen := 32 * 1024
	b1, b2 := make([]byte, bufLen), make([]byte, bufLen)
	for i := 0; true; i++ {
		n1, e1 := io.ReadFull(r1, b1)
		n2, e2 := io.ReadFull(r2, b2)
		if n1 != n2 {
			return false, fmt.Sprintf("Read %d != %d bytes from the readers", n1, n2)
		}
		if !bytes.Equal(b1[:n1], b2[:n2]) {

import javax.inject.Named;
import javax.inject.Singleton;

/**
 * Wagon for testing, for protocols <code>b1</code> and <code>b2</code>
 *
 */
@Named("b")
@Singleton
public class WagonB extends WagonMock {
    public String[] getSupportedProtocols() {
        return new String[] {"b1", "b2"};
    }

		// different start alignments
		b1 := b[i:]
		for j := 0; j < len(b1); j++ {
			b1[j] = 'x'
			pos := IndexByte(b1, 'x')
			if pos != j {
				t.Errorf("IndexByte(%q, 'x') = %v", b1, pos)
			}
			b1[j] = 0
			pos = IndexByte(b1, 'x')
			if pos != -1 {
				t.Errorf("IndexByte(%q, 'x') = %v", b1, pos)
			}
		}
		// different end alignments
		b1 = b[:i]
		for j := 0; j < len(b1); j++ {

     * <pre>
     * a:1.0
     * b:1.0 -&gt; a:2.0
     * </pre>
     */
    @Test
    void testDepth() {
        ResolutionNode a1n = createResolutionNode(a1);
        ResolutionNode b1n = createResolutionNode(b1);
        ResolutionNode a2n = createResolutionNode(a2, b1n);

        assertResolveConflict(a2n, a1n, a2n);
    }

    /**
     * Tests that <code>a:2.0</code> wins in the scenario:
     * <pre>

     * @param scoreBooster The score booster.
     */
    protected void addScoreBooster(final ScoreBooster scoreBooster) {
        scoreBoosterList.add(scoreBooster);
        scoreBoosterList.sort((b1, b2) -> b2.getPriority() - b1.getPriority());
    }

    private static final String GROUP_ID = "test";

    // fields -----------------------------------------------------------------

    protected Artifact a1;

    protected Artifact a2;

    protected Artifact b1;

    private final String roleHint;

    @Inject
    private ArtifactFactory artifactFactory;

    private ConflictResolver conflictResolver;

    @Inject
    protected PlexusContainer container;

    val reservedFlag3 = b0 and B0_FLAG_RSV3 != 0
    if (reservedFlag3) throw ProtocolException("Unexpected rsv3 flag")

    val b1 = source.readByte() and 0xff

    val isMasked = b1 and B1_FLAG_MASK != 0
    if (isMasked == isClient) {
      // Masked payloads must be read on the server. Unmasked payloads must be read on the client.
      throw ProtocolException(

    TypeWithDuplicates b1 = new TypeWithDuplicates(2, 1);
    TypeWithDuplicates b2 = new TypeWithDuplicates(2, 2);
    TypeWithDuplicates c = new TypeWithDuplicates(3, 1);
    CollectorTester.of(collector, equivalence)
        .expectCollects(
            ImmutableMultiset.<TypeWithDuplicates>builder().add(a).addCopies(b1, 2).add(c).build(),
            a,
            b1,
            c,
            b2);

     * <pre>
     * a:1.0
     * b:1.0 -&gt; a:2.0
     * </pre>
     */
    @Test
    void testDepth() {
        ResolutionNode a1n = createResolutionNode(a1);
        ResolutionNode b1n = createResolutionNode(b1);
        ResolutionNode a2n = createResolutionNode(a2, b1n);

        assertResolveConflict(a2n, a1n, a2n);
    }

    /**
     * Tests that <code>a:2.0</code> wins in the scenario:
     * <pre>