}
  }

  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(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[] {(double) 1, (double) 0, (double) 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(

    }
  }

  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[] {(long) 1, (long) 0, (long) 0});
  }

            .build(exceptionLoader(e));

    UncheckedExecutionException uee =
        assertThrows(UncheckedExecutionException.class, () -> map.getUnchecked(new Object()));
    assertThat(uee).hasCauseThat().isSameInstanceAs(e);
    assertTrue(listener.isEmpty());
    checkEmpty(map);
  }

  public void copyOfImmutableGraph_optimized() {
    Graph<String> graph1 = ImmutableGraph.copyOf(GraphBuilder.directed().<String>build());
    Graph<String> graph2 = ImmutableGraph.copyOf(graph1);

    assertThat(graph2).isSameInstanceAs(graph1);
  }

  @Test
  public void immutableGraphBuilder_appliesGraphBuilderConfig() {
    ImmutableGraph<String> emptyGraph =
        GraphBuilder.directed()
            .allowsSelfLoops(true)

            .build(exceptionLoader(e));

    UncheckedExecutionException uee =
        assertThrows(UncheckedExecutionException.class, () -> map.getUnchecked(new Object()));
    assertThat(uee).hasCauseThat().isSameInstanceAs(e);
    assertTrue(listener.isEmpty());
    checkEmpty(map);
  }

  public void copyOfImmutableGraph_optimized() {
    Graph<String> graph1 = ImmutableGraph.copyOf(GraphBuilder.directed().<String>build());
    Graph<String> graph2 = ImmutableGraph.copyOf(graph1);

    assertThat(graph2).isSameInstanceAs(graph1);
  }

  @Test
  public void immutableGraphBuilder_appliesGraphBuilderConfig() {
    ImmutableGraph<String> emptyGraph =
        GraphBuilder.directed()
            .allowsSelfLoops(true)

    ValueAndCloser<?> valueAndCloser = finishToValueAndCloser(closingFuture);
    try {
      valueAndCloser.get();
      fail();
    } catch (ExecutionException expected) {
      assertThat(expected).hasCauseThat().isSameInstanceAs(exception);
    }
    valueAndCloser.closeAsync();
  }

  @Override
  void assertBecomesCanceled(ClosingFuture<?> closingFuture) throws ExecutionException {

        spy(
            new AsyncFunction<Throwable, Integer>() {
              @Override
              public ListenableFuture<Integer> apply(Throwable t) throws Exception {
                assertThat(t).isSameInstanceAs(raisedException);
                return immediateFuture(20);
              }
            });
    ListenableFuture<Integer> failingFuture = immediateFailedFuture(raisedException);