assertFalse(future.isCancelled());

    try {
      future.get();
      fail("Future should rethrow the exception.");
    } catch (ExecutionException e) {
      assertThat(e).hasCauseThat().hasMessageThat().isEqualTo(message);
    }
  }

    DataInput in = new LittleEndianDataInputStream(new ByteArrayInputStream(data));
    UnsupportedOperationException expected =
        assertThrows(UnsupportedOperationException.class, in::readLine);
    assertThat(expected).hasMessageThat().isEqualTo("readLine is not supported");
  }

  public void testReadLittleEndian() throws IOException {
    DataInput in = new LittleEndianDataInputStream(new ByteArrayInputStream(data));

            () ->
                getChecked(
                    FAILED_FUTURE_CHECKED_EXCEPTION, ExceptionWithoutThrowableConstructor.class));
    assertThat(expected).hasMessageThat().contains("mymessage");
    assertThat(expected).hasCauseThat().isEqualTo(CHECKED_EXCEPTION);
  }

  public void testPrefersConstructorWithThrowableParameter() {

            () ->
                getChecked(
                    FAILED_FUTURE_CHECKED_EXCEPTION, ExceptionWithoutThrowableConstructor.class));
    assertThat(expected).hasMessageThat().contains("mymessage");
    assertThat(expected).hasCauseThat().isEqualTo(CHECKED_EXCEPTION);
  }

  public void testPrefersConstructorWithThrowableParameter() {

    boolean foundProblem = false;
    try {
      new NullPointerTester().testMethodParameter(new OneArg(), method, 0);
    } catch (AssertionError expected) {
      assertThat(expected).hasMessageThat().contains("index 0");
      assertThat(expected).hasMessageThat().contains("[null]");
      foundProblem = true;
    }
    assertTrue("Should report error when different exception is thrown", foundProblem);
  }

    CancellationException expected = assertThrows(CancellationException.class, future::get);
    assertThat(expected).hasCauseThat().isInstanceOf(IllegalArgumentException.class);
    assertThat(expected).hasCauseThat().hasMessageThat().contains(badFuture.toString());
  }

  private Future<?> newFutureInstance() throws Exception {
    return (Future<?>) settableFutureClass.getMethod("create").invoke(null);
  }

    CancellationException expected = assertThrows(CancellationException.class, future::get);
    assertThat(expected).hasCauseThat().isInstanceOf(IllegalArgumentException.class);
    assertThat(expected).hasCauseThat().hasMessageThat().contains(badFuture.toString());
  }

  private Future<?> newFutureInstance() throws Exception {
    return (Future<?>) settableFutureClass.getMethod("create").invoke(null);
  }

          fail("Expected IllegalArgumentException");
        } catch (IllegalArgumentException expected) {
          if (expectedMessage != null) {
            assertThat(expected).hasCauseThat().hasMessageThat().isEqualTo(expectedMessage);
          }
        }
      }
    },
    DECODE_CHECKED {
      @Override
      void assertFailsToDecode(

    assertThat(expected).hasMessageThat().isEqualTo("Mark not set");
  }

  public void testLimit_markNotSupported() {
    InputStream lin = ByteStreams.limit(new UnmarkableInputStream(), 2);

    IOException expected = assertThrows(IOException.class, lin::reset);
    assertThat(expected).hasMessageThat().isEqualTo("Mark not supported");
  }

          }
        };
    TimeoutException e =
        assertThrows(
            TimeoutException.class, () -> service.startAsync().awaitRunning(1, MILLISECONDS));
    assertThat(e)
        .hasMessageThat()
        .isEqualTo("Timed out waiting for Foo [STARTING] to reach the RUNNING state.");
  }

  private static class TestService extends AbstractIdleService {
    int startUpCalled = 0;