}
  }

  public void testEnsureCapacity() {
    assertThat(Doubles.ensureCapacity(EMPTY, 0, 1)).isSameInstanceAs(EMPTY);
    assertThat(Doubles.ensureCapacity(ARRAY1, 0, 1)).isSameInstanceAs(ARRAY1);
    assertThat(Doubles.ensureCapacity(ARRAY1, 1, 1)).isSameInstanceAs(ARRAY1);
    assertThat(Arrays.equals(new double[] {1.0, 0.0, 0.0}, Doubles.ensureCapacity(ARRAY1, 2, 1)))
        .isTrue();
  }

    }
  }

  public void testEnsureCapacity() {
    assertThat(Longs.ensureCapacity(EMPTY, 0, 1)).isSameInstanceAs(EMPTY);
    assertThat(Longs.ensureCapacity(ARRAY1, 0, 1)).isSameInstanceAs(ARRAY1);
    assertThat(Longs.ensureCapacity(ARRAY1, 1, 1)).isSameInstanceAs(ARRAY1);
    assertThat(Longs.ensureCapacity(ARRAY1, 2, 1)).isEqualTo(new long[] {1L, 0L, 0L});
  }

    }
  }

  public void testEnsureCapacity() {
    assertThat(Shorts.ensureCapacity(EMPTY, 0, 1)).isSameInstanceAs(EMPTY);
    assertThat(Shorts.ensureCapacity(ARRAY1, 0, 1)).isSameInstanceAs(ARRAY1);
    assertThat(Shorts.ensureCapacity(ARRAY1, 1, 1)).isSameInstanceAs(ARRAY1);
    assertThat(Shorts.ensureCapacity(ARRAY1, 2, 1))
        .isEqualTo(new short[] {(short) 1, (short) 0, (short) 0});
  }

    Network<String, String> network1 =
        ImmutableNetwork.copyOf(NetworkBuilder.directed().<String, String>build());
    Network<String, String> network2 = ImmutableNetwork.copyOf(network1);

    assertThat(network2).isSameInstanceAs(network1);
  }

  @Test
  public void edgesConnecting_directed() {
    MutableNetwork<String, String> mutableNetwork =
        NetworkBuilder.directed().allowsSelfLoops(true).build();

    }
  }

  public void testEnsureCapacity() {
    assertThat(Floats.ensureCapacity(EMPTY, 0, 1)).isSameInstanceAs(EMPTY);
    assertThat(Floats.ensureCapacity(ARRAY1, 0, 1)).isSameInstanceAs(ARRAY1);
    assertThat(Floats.ensureCapacity(ARRAY1, 1, 1)).isSameInstanceAs(ARRAY1);
    assertThat(Arrays.equals(new float[] {1.0f, 0.0f, 0.0f}, Floats.ensureCapacity(ARRAY1, 2, 1)))
        .isTrue();
  }

    }
  }

  public void testEnsureCapacity() {
    assertThat(Ints.ensureCapacity(EMPTY, 0, 1)).isSameInstanceAs(EMPTY);
    assertThat(Ints.ensureCapacity(ARRAY1, 0, 1)).isSameInstanceAs(ARRAY1);
    assertThat(Ints.ensureCapacity(ARRAY1, 1, 1)).isSameInstanceAs(ARRAY1);
    assertThat(Ints.ensureCapacity(ARRAY1, 2, 1)).isEqualTo(new int[] {(int) 1, (int) 0, (int) 0});
  }

    }
  }

  public void testEnsureCapacity() {
    assertThat(Floats.ensureCapacity(EMPTY, 0, 1)).isSameInstanceAs(EMPTY);
    assertThat(Floats.ensureCapacity(ARRAY1, 0, 1)).isSameInstanceAs(ARRAY1);
    assertThat(Floats.ensureCapacity(ARRAY1, 1, 1)).isSameInstanceAs(ARRAY1);
    assertThat(Arrays.equals(new float[] {1.0f, 0.0f, 0.0f}, Floats.ensureCapacity(ARRAY1, 2, 1)))
        .isTrue();
  }

            () ->
                getChecked(
                    FAILED_FUTURE_CHECKED_EXCEPTION, ExceptionWithGoodAndBadConstructor.class));
    assertThat(expected).hasCauseThat().isSameInstanceAs(CHECKED_EXCEPTION);
  }

  // Boring timed-get tests:

  public void testGetCheckedTimed_success() throws TwoArgConstructorException {
    assertEquals(

  public void testLexicographicalComparatorSerializable() {
    Comparator<byte[]> comparator = SignedBytes.lexicographicalComparator();
    assertThat(SerializableTester.reserialize(comparator)).isSameInstanceAs(comparator);
  }

  public void testSortDescending() {
    testSortDescending(new byte[] {}, new byte[] {});
    testSortDescending(new byte[] {1}, new byte[] {1});

    assertGoodFeatureEnum(ExampleFeature.class);
  }

  public void testAddImpliedFeatures_returnsSameSetInstance() {
    Set<Feature<?>> features = newHashSet(FOO);
    assertThat(addImpliedFeatures(features)).isSameInstanceAs(features);
  }

  public void testAddImpliedFeatures_addsImpliedFeatures() {
    assertThat(addImpliedFeatures(newHashSet(FOO))).containsExactly(FOO);