// Edge direction handled correctly
    assertThat(graph.inDegree(N1)).isEqualTo(0);
  }

  @Test
  public void outDegree_oneEdge() {
    putEdge(N1, N2);
    assertThat(graph.outDegree(N1)).isEqualTo(1);
    // Edge direction handled correctly
    assertThat(graph.outDegree(N2)).isEqualTo(0);
  }

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

    // Passed nodes should be in the correct edge direction, first is the
    // source node and the second is the target node
    assertThat(network.edgesConnecting(N2, N1)).isEmpty();
  }

  @Test
  public void inEdges_oneEdge() {
    addEdge(N1, N2, E12);
    assertThat(network.inEdges(N2)).containsExactly(E12);
    // Edge direction handled correctly
    assertThat(network.inEdges(N1)).isEmpty();
  }

    unfiltered.put("apple", 2);
    unfiltered.put("banana", 6);
    unfiltered.put("cat", 3);
    unfiltered.put("dog", 5);

    SortedMap<String, Integer> filtered = Maps.filterEntries(unfiltered, CORRECT_LENGTH);
    assertEquals("banana", filtered.firstKey());
    assertEquals("cat", filtered.lastKey());
  }

  public void testHeadSubTailMap_FilteredMap() {
    SortedMap<String, Integer> unfiltered = createUnfiltered();

    } finally {
      executor.shutdownNow();
    }

    assertTrue(future.isDone());
    assertFalse(future.isCancelled());
  }

  /** Tests that the {@link Future#get(long, TimeUnit)} method times out correctly. */
  public void testTimeoutOnGetWorksCorrectly() throws InterruptedException, ExecutionException {

    // The task thread waits for the latch, so we expect a timeout here.
    try {
      future.get(20, MILLISECONDS);

 *
 * <p>The value you pass to the parameter {@code steps} should be greater than the length of your
 * iterator, so that this class can check that your iterator behaves correctly when it is exhausted.
 *
 * <p>For example, to test {@link java.util.Collections#unmodifiableList(java.util.List)
 * Collections.unmodifiableList}'s iterator:
 *
 * <pre>{@code
 * List<String> expectedElements =

    // Verify that everything else is left unescaped.
    String safeChars = "\0\u0100\uD800\uDC00\uFFFF";
    assertEquals(safeChars, escaper.escape(safeChars));

    // Ensure that Unicode escapers behave correctly wrt badly formed input.
    String badUnicode = "\uDC00\uD800";
    try {
      escaper.escape(badUnicode);
      fail("should fail for bad Unicode");
    } catch (IllegalArgumentException e) {
      // Pass
    }

     * @return A map of lifecycles, indexed on id
     */
    public Map<String, Lifecycle> getPhaseToLifecycleMap() {
        // If people are going to make their own lifecycles then we need to tell people how to namespace them correctly
        // so that they don't interfere with internally defined lifecycles.

        Map<String, Lifecycle> phaseToLifecycleMap = new HashMap<>();

        for (Lifecycle lifecycle : getLifeCycles()) {

         * repository's layout to allow pointing at artifacts within the repository. Unfortunately,
         * DefaultRepositoryLayout does not correctly describe the layout of a local repository which unlike a remote
         * repository never uses timestamps in the filename of a snapshot artifact. The discrepancy gets notable when a

                            + session.getExecutionRootDirectory() + ")."
                            + " Please verify you invoked Maven from the correct directory.");
            throw new LifecycleExecutionException(messageBuilderFactory, mojoExecution, null, cause);
        }

        if (mojoDescriptor.isOnlineRequired() && session.isOffline()) {

    // feature, exactly, but unavoidable (I think) and harmless
    Ordering<Integer> l = objects.compound(numbers);

    // This correctly doesn't work:
    // Ordering<Object> m = numbers.compound(objects);

    // Sadly, the following works in javac 1.6, but at least it fails for
    // eclipse, and is *correctly* highlighted red in IDEA.
    // Ordering<Object> n = objects.compound(numbers);
  }

  public void testReverse() {