assertEquals(2, logHandler.getStoredLogRecords().size());

      LogRecord record = logHandler.getStoredLogRecords().get(0);
      assertEquals("Suppressing exception thrown when closing " + c2, record.getMessage());

      record = logHandler.getStoredLogRecords().get(1);
      assertEquals("Suppressing exception thrown when closing " + c1, record.getMessage());
    } finally {
      Closeables.logger.removeHandler(logHandler);

  private Throwable thrownByExecutionThread;

  public void testNoOpServiceStartStop() throws Exception {
    NoOpService service = new NoOpService();
    RecordingListener listener = RecordingListener.record(service);

    assertEquals(State.NEW, service.state());
    assertFalse(service.isRunning());
    assertFalse(service.running);

    service.startAsync();
    assertEquals(State.RUNNING, service.state());

   *
   * @since 10.0
   */
  public interface StatsCounter {
    /**
     * Records cache hits. This should be called when a cache request returns a cached value.
     *
     * @param count the number of hits to record
     * @since 11.0
     */
    void recordHits(int count);

    /**
     * Records cache misses. This should be called when a cache request returns a value that was not

    ExampleClassUnderTest.foo();
    LogRecord record = handler.getStoredLogRecords().get(0);
    assertEquals(Level.INFO, record.getLevel());
    assertEquals("message", record.getMessage());
    assertSame(EXCEPTION, record.getThrown());
  }

  public void testConcurrentModification() throws Exception {
    // Tests for the absence of a bug where logging while iterating over the
    // stored log records causes a ConcurrentModificationException

    ExampleClassUnderTest.foo();
    LogRecord record = handler.getStoredLogRecords().get(0);
    assertEquals(Level.INFO, record.getLevel());
    assertEquals("message", record.getMessage());
    assertSame(EXCEPTION, record.getThrown());
  }

  public void testConcurrentModification() throws Exception {
    // Tests for the absence of a bug where logging while iterating over the
    // stored log records causes a ConcurrentModificationException

  private Throwable thrownByExecutionThread;

  public void testNoOpServiceStartStop() throws Exception {
    NoOpService service = new NoOpService();
    RecordingListener listener = RecordingListener.record(service);

    assertEquals(State.NEW, service.state());
    assertFalse(service.isRunning());
    assertFalse(service.running);

    service.startAsync();
    assertEquals(State.RUNNING, service.state());

      assertEquals(2, logHandler.getStoredLogRecords().size());

      LogRecord record = logHandler.getStoredLogRecords().get(0);
      assertEquals("Suppressing exception thrown when closing " + c2, record.getMessage());

      record = logHandler.getStoredLogRecords().get(1);
      assertEquals("Suppressing exception thrown when closing " + c1, record.getMessage());
    } finally {
      Closeables.logger.removeHandler(logHandler);

   * RS, and US is least inclusive. (The content and length of a File, Group, Record, or Unit are
   * not specified.)
   *
   * @since 8.0
   */
  public static final byte GS = 29;

  /**
   * Record Separator: These four information separators may be used within data in optional

public class TestLogHandler extends Handler {
  /** We will keep a private list of all logged records */
  private final List<LogRecord> list = new ArrayList<>();

  /** Adds the most recently logged record to our list. */
  @Override
  public synchronized void publish(@Nullable LogRecord record) {
    if (record != null) {
      list.add(record);
    }
  }

  @Override
  public void flush() {}

  @Override

public class TestLogHandler extends Handler {
  /** We will keep a private list of all logged records */
  private final List<LogRecord> list = new ArrayList<>();

  /** Adds the most recently logged record to our list. */
  @Override
  public synchronized void publish(@Nullable LogRecord record) {
    if (record != null) {
      list.add(record);
    }
  }

  @Override
  public void flush() {}

  @Override