public void testGetResource_notFound() {
    IllegalArgumentException e =
        assertThrows(
            IllegalArgumentException.class, () -> Resources.getResource("no such resource"));
    assertThat(e).hasMessageThat().isEqualTo("resource no such resource not found.");
  }

  public void testGetResource() {
    assertThat(Resources.getResource("com/google/common/io/testdata/i18n.txt")).isNotNull();
  }

    assertThat(e)
        .hasMessageThat()
        .contains("Expected to be healthy after starting. The following services are not running:");

    Throwable[] suppressed = e.getSuppressed();
    assertThat(suppressed).hasLength(2);
    assertThat(suppressed[0]).hasCauseThat().isInstanceOf(IllegalStateException.class);
    assertThat(suppressed[0]).hasCauseThat().hasMessageThat().isEqualTo("run failure");

          }
        };
    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;

      super.testNulls();
    } catch (AssertionError e) {
      assertWithMessage("Method did not throw null pointer OR element not in graph exception.")
          .that(e)
          .hasCauseThat()
          .hasMessageThat()
          .contains(ERROR_ELEMENT_NOT_IN_GRAPH);
    }
  }

    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);
  }

    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));

    TimeoutException e = assertThrows(TimeoutException.class, () -> testFuture.get(1, NANOSECONDS));
    assertThat(e).hasMessageThat().contains("1 nanoseconds");
    assertThat(e).hasMessageThat().contains("Because this test isn't done");
  }

  public void testToString_completesDuringToString() throws Exception {
    AbstractFuture<Object> testFuture =

    runner.start();
    isInterruptibleRegistered.await();
    RuntimeException expected = assertThrows(RuntimeException.class, () -> task.interruptTask());
    assertThat(expected)
        .hasMessageThat()
        .isEqualTo("I bet you didn't think Thread.interrupt could throw");
    /*
     * We need to wait for the runner to exit. It used to be that the runner would get stuck in the
     * busy loop when interrupt threw.

      shutdown.set(true);
      while (this.isAlive()) {
        Thread.yield();
      }
    }
  }

  void assertWrapsInterruptedException(RuntimeException e) {
    assertThat(e).hasMessageThat().contains("Unexpected interrupt");
    assertThat(e).hasCauseThat().isInstanceOf(InterruptedException.class);
  }

  public void testAwait_countDownLatch_interrupted() {