ExampleClassUnderTest.logger.removeHandler(handler);
        });
  }

  public void test() throws Exception {
    assertTrue(handler.getStoredLogRecords().isEmpty());
    ExampleClassUnderTest.foo();
    LogRecord record = handler.getStoredLogRecords().get(0);
    assertEquals(Level.INFO, record.getLevel());
    assertThat(record.getMessage()).isEqualTo("message");
    assertThat(record.getThrown()).isEqualTo(EXCEPTION);

          ExampleClassUnderTest.logger.removeHandler(handler);
        });
  }

  public void test() throws Exception {
    assertTrue(handler.getStoredLogRecords().isEmpty());
    ExampleClassUnderTest.foo();
    LogRecord record = handler.getStoredLogRecords().get(0);
    assertEquals(Level.INFO, record.getLevel());
    assertThat(record.getMessage()).isEqualTo("message");
    assertThat(record.getThrown()).isEqualTo(EXCEPTION);

    logger.addHandler(logHandler);
    try {
      queue.dispatch();
    } finally {
      logger.removeHandler(logHandler);
    }

    assertEquals(1, logHandler.getStoredLogRecords().size());
    assertThat(logHandler.getStoredLogRecords().get(0).getMessage())
        .isEqualTo("Exception while executing callback: MyListener custom-label");
  }

    logger.addHandler(logHandler);
    try {
      queue.dispatch();
    } finally {
      logger.removeHandler(logHandler);
    }

    assertEquals(1, logHandler.getStoredLogRecords().size());
    assertThat(logHandler.getStoredLogRecords().get(0).getMessage())
        .isEqualTo("Exception while executing callback: MyListener custom-label");
  }

        new Formatter() {
          @Override
          public String format(LogRecord record) {
            return formatMessage(record);
          }
        };
    for (LogRecord record : logHandler.getStoredLogRecords()) {
      assertThat(logFormatter.format(record)).doesNotContain("NoOpService");
    }
  }

  public void testStartupFailureOutput() {
    Logger logger = Logger.getLogger(ServiceManager.class.getName());

    assertThat(expected).hasCauseThat().isInstanceOf(MyException.class);
    assertEquals(
        "Nothing should be logged", 0, aggregateFutureLogHandler.getStoredLogRecords().size());
  }

  /** Ensure that errors are always logged. */
  public void testAllAsList_logging_error() throws Exception {
    ExecutionException expected =
        assertThrows(

    assertThat(expected).hasCauseThat().isInstanceOf(MyException.class);
    assertEquals(
        "Nothing should be logged", 0, aggregateFutureLogHandler.getStoredLogRecords().size());
  }

  /** Ensure that errors are always logged. */
  public void testAllAsList_logging_error() throws Exception {
    ExecutionException expected =
        assertThrows(

        new Formatter() {
          @Override
          public String format(LogRecord record) {
            return formatMessage(record);
          }
        };
    for (LogRecord record : logHandler.getStoredLogRecords()) {
      assertThat(logFormatter.format(record)).doesNotContain("NoOpService");
    }
  }

  public void testStartupFailureOutput() {
    Logger logger = Logger.getLogger(ServiceManager.class.getName());

      if (!result.isCancelled()) {
        result.get(10, SECONDS);
      }
      // TODO(cpovirk): Verify that the cancelled futures are exactly ones that we expect.
    }

    assertThat(logHandler.getStoredLogRecords()).isEmpty();
  }

  public void testAvoidsStackOverflow_manySubmitted() throws Exception {
    SettableFuture<@Nullable Void> settableFuture = SettableFuture.create();

      if (!result.isCancelled()) {
        result.get(10, SECONDS);
      }
      // TODO(cpovirk): Verify that the cancelled futures are exactly ones that we expect.
    }

    assertThat(logHandler.getStoredLogRecords()).isEmpty();
  }

  public void testAvoidsStackOverflow_manySubmitted() throws Exception {
    SettableFuture<@Nullable Void> settableFuture = SettableFuture.create();