new ClosingFunction<TestCloseable, String>() {
                  @Override
                  public String apply(DeferredCloser closer, TestCloseable v) throws Exception {
                    assertThat(v).isSameInstanceAs(closeable1);
                    return "value";
                  }
                },
                executor);
    assertThat(getFinalValue(closingFuture)).isEqualTo("value");

    } catch (UncheckedExecutionException caughtEe) {
      assertThat(caughtEe).hasCauseThat().isSameInstanceAs(uee);
    }

    UncheckedExecutionException caughtUee =
        assertThrows(
            UncheckedExecutionException.class, () -> cacheUnchecked.getUnchecked(new Object()));
    assertThat(caughtUee).hasCauseThat().isSameInstanceAs(uee);

    cacheUnchecked.refresh(new Object());
    checkLoggedCause(uee);

          }
        };
    assertEquals(0, service.startUpCalled);
    RuntimeException e =
        assertThrows(RuntimeException.class, () -> service.startAsync().awaitRunning());
    assertThat(e).hasCauseThat().isSameInstanceAs(exception);
    assertEquals(1, service.startUpCalled);
    assertEquals(Service.State.FAILED, service.state());
    assertThat(service.transitionStates).containsExactly(Service.State.STARTING);
  }

    assertThat(transpose(transpose)).isSameInstanceAs(directedGraph);
    AbstractGraphTest.validateGraph(transpose);

    for (Integer node : directedGraph.nodes()) {
      assertThat(directedGraph.inDegree(node)).isSameInstanceAs(transpose.outDegree(node));
      assertThat(directedGraph.outDegree(node)).isSameInstanceAs(transpose.inDegree(node));
    }

    ImmutableDoubleArray iia3 = ImmutableDoubleArray.of(5, 25, 125);

    assertThat(iia0.subArray(0, 0)).isSameInstanceAs(ImmutableDoubleArray.of());
    assertThat(iia1.subArray(0, 0)).isSameInstanceAs(ImmutableDoubleArray.of());
    assertThat(iia1.subArray(1, 1)).isSameInstanceAs(ImmutableDoubleArray.of());
    assertThat(iia1.subArray(0, 1).asList()).containsExactly(5.0);

    ImmutableLongArray iia3 = ImmutableLongArray.of(5, 25, 125);

    assertThat(iia0.subArray(0, 0)).isSameInstanceAs(ImmutableLongArray.of());
    assertThat(iia1.subArray(0, 0)).isSameInstanceAs(ImmutableLongArray.of());
    assertThat(iia1.subArray(1, 1)).isSameInstanceAs(ImmutableLongArray.of());
    assertThat(iia1.subArray(0, 1).asList()).containsExactly(5L);

  }

  public void testMinMaxNatural_equalInstances() {
    Foo a = new Foo(1);
    Foo b = new Foo(1);
    assertThat(Comparators.min(a, b)).isSameInstanceAs(a);
    assertThat(Comparators.max(a, b)).isSameInstanceAs(a);
  }

  public void testMinMaxComparator() {
    Comparator<Integer> natural = Ordering.natural();
    Comparator<Integer> reverse = Collections.reverseOrder(natural);

    assertThat(transformation.inverse().slope()).isWithin(ALLOWED_ERROR).of(xDelta / yDelta);
    assertThat(transformation.inverse()).isSameInstanceAs(transformation.inverse());
    assertThat(transformation.inverse().inverse()).isSameInstanceAs(transformation);
  }

  /**
   * Asserts that {@code transformation} is horizontal with the given value of {@code y}. Includes

                new ClosingFunction<TestCloseable, String>() {
                  @Override
                  public String apply(DeferredCloser closer, TestCloseable v) throws Exception {
                    assertThat(v).isSameInstanceAs(closeable1);
                    return "value";
                  }
                },
                executor);
    assertThat(getFinalValue(closingFuture)).isEqualTo("value");

  }

  public void testMinMaxNatural_equalInstances() {
    Foo a = new Foo(1);
    Foo b = new Foo(1);
    assertThat(Comparators.min(a, b)).isSameInstanceAs(a);
    assertThat(Comparators.max(a, b)).isSameInstanceAs(a);
  }

  public void testMinMaxComparator() {
    Comparator<Integer> natural = Ordering.natural();
    Comparator<Integer> reverse = Collections.reverseOrder(natural);