}

    @Override
    public void setBaseVersion(String baseVersion) {
        throw new UnsupportedOperationException("Cannot change the version information for an attached artifact."
                + " It is derived from the main artifact.");
    }

    @Override
    public String getDownloadUrl() {
        return parent.getDownloadUrl();
    }

    @Override
    public void setDownloadUrl(String downloadUrl) {

  static final Funnel<Object> BAD_FUNNEL =
      new Funnel<Object>() {
        @Override
        public void funnel(Object object, PrimitiveSink bytePrimitiveSink) {
          bytePrimitiveSink.putInt(object.hashCode());
        }
      };

  enum RandomHasherAction {
    PUT_BOOLEAN() {
      @Override
      void performAction(Random random, Iterable<? extends PrimitiveSink> sinks) {
        boolean value = random.nextBoolean();

  // retainAll(empty)

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(ZERO)
  public void testRetainAll_emptyPreviouslyEmpty() {
    expectReturnsFalse(empty);
    expectUnchanged();
  }

  @CollectionFeature.Require(absent = SUPPORTS_REMOVE)
  @CollectionSize.Require(ZERO)
  public void testRetainAll_emptyPreviouslyEmptyUnsupported() {
    expectReturnsFalseOrThrows(empty);
    expectUnchanged();

  }

  private static void checkSha1(String expected, byte[] key, String data) {
    checkSha1(expected, key, data.getBytes(UTF_8));
  }

  private static void checkSha1(String expected, byte[] key, byte[] data) {
    checkHmac(expected, Hashing.hmacSha1(key), data);
  }

  private static void checkMd5(String expected, byte[] key, String data) {

   */
  @Test
  public abstract void incidentEdges_checkReturnedSetMutability();

  @Test
  public void nodes_oneNode() {
    addNode(N1);
    assertThat(graph.nodes()).containsExactly(N1);
  }

  @Test
  public void nodes_noNodes() {
    assertThat(graph.nodes()).isEmpty();
  }

  @Test
  public void adjacentNodes_oneEdge() {
    putEdge(N1, N2);

        private String description;

        public void setModelVersion(String modelVersion) {
            this.modelVersion = modelVersion;
        }

        public void setGroupId(String groupId) {
            this.groupId = groupId;
        }

        public void setScm(Scm scm) {
            this.scm = scm;
        }

        public void addDependency(Dependency dependency) {

public class FunnelsTest extends TestCase {
  public void testForBytes() {
    PrimitiveSink primitiveSink = mock(PrimitiveSink.class);
    Funnels.byteArrayFunnel().funnel(new byte[] {4, 3, 2, 1}, primitiveSink);
    verify(primitiveSink).putBytes(new byte[] {4, 3, 2, 1});
  }

  public void testForBytes_null() {
    assertNullsThrowException(Funnels.byteArrayFunnel());
  }

  public void testForStrings() {

    @Override
    public void updateScopeCurrentPom(Artifact artifact, String scope) {}

    @Override
    public void updateScope(Artifact artifact, String scope) {}

    @Override
    public void manageArtifact(Artifact artifact, Artifact replacement) {}

    @Override
    public void selectVersionFromRange(Artifact artifact) {}

    @Override

    public void warn(String message) {
        setMdc();
        logger.warn(message);
    }

    @Override
    public void warn(String message, Throwable throwable) {
        setMdc();
        logger.warn(message, throwable);
    }

    @Override
    public boolean isWarnEnabled() {
        return logger.isWarnEnabled();
    }

    @Override
    public void error(String message) {
        setMdc();

    int MANAGE_ARTIFACT_SYSTEM_PATH = 14;

    void testArtifact(Artifact node);

    void startProcessChildren(Artifact artifact);

    void endProcessChildren(Artifact artifact);

    void includeArtifact(Artifact artifact);

    void omitForNearer(Artifact omitted, Artifact kept);

    void updateScope(Artifact artifact, String scope);

    @Deprecated
    void manageArtifact(Artifact artifact, Artifact replacement);