private static class MockThumbnailManager extends ThumbnailManager {
        private long purgeCallCount = 0;
        private long purgeExpiry = 0;
        private boolean throwException = false;
        private String exceptionMessage = null;

        @Override
        public long purge(final long expiry) {
            purgeExpiry = expiry;
            if (throwException) {

    public int getAttributes() {
        return 0;
    }

    @Override
    public long getCreateTime() {
        return 0L;
    }

    @Override
    public long getLastWriteTime() {
        return 0L;
    }

    @Override
    public long getLastAccessTime() {
        return 0L;
    }

    @Override
    public long getSize() {
        return this.endOfFile;
    }

    /**
     * {@inheritDoc}

      "access_token" : {
        "properties" : {
          "createdBy" : {
            "type" : "keyword"
          },
          "createdTime" : {
            "type" : "long"
          },
          "expiredTime" : {
            "type" : "long"
          },
          "name" : {
            "type" : "keyword"
          },
          "parameter_name" : {
            "type" : "keyword"
          },

    }

    @Test
    public void test_execute_withLongExceptionMessage() {
        // Create a very long exception message
        StringBuilder longMessage = new StringBuilder("Error: ");
        for (int i = 0; i < 100; i++) {
            longMessage.append("This is a very long error message part ").append(i).append(". ");
        }
        final String errorMessage = longMessage.toString();

        this.createdBy = value;
    }

    public Long getCreatedTime() {
        checkSpecifiedProperty("createdTime");
        return createdTime;
    }

    public void setCreatedTime(Long value) {
        registerModifiedProperty("createdTime");
        this.createdTime = value;
    }

    public Long getExpiredTime() {
        checkSpecifiedProperty("expiredTime");

`and why it is you hate--C and D,' she added in a whisper, half
afraid that it would be offended again.

  `Mine is a long and a sad tale!' said the Mouse, turning to
Alice, and sighing.

  `It IS a long tail, certainly,' said Alice, looking down with
wonder at the Mouse's tail; `but why do you call it sad?'  And
she kept on puzzling about it while the Mouse was speaking, so

    }
  }

  /** A view of a subsection of the containing byte source. */
  private final class SlicedByteSource extends ByteSource {

    final long offset;
    final long length;

    SlicedByteSource(long offset, long length) {
      checkArgument(offset >= 0, "offset (%s) may not be negative", offset);
      checkArgument(length >= 0, "length (%s) may not be negative", length);

    }
    final class Splitr extends MapWithIndexSpliterator<Spliterator.OfLong, R, Splitr>
        implements LongConsumer {
      long holder;

      Splitr(Spliterator.OfLong splitr, long index) {
        super(splitr, index);
      }

      @Override
      public void accept(long t) {
        this.holder = t;
      }

      @Override
      public boolean tryAdvance(Consumer<? super R> action) {

    @Test
    public void test_waitForNext_withPositiveInterval() throws InterruptedException {
        configHelper.setReloadInterval(20L);

        long startTime = System.currentTimeMillis();
        configHelper.waitForNext();
        long endTime = System.currentTimeMillis();

        long elapsed = endTime - startTime;
        assertTrue("Expected at least 15ms sleep, got " + elapsed + "ms", elapsed >= 15);

    SettableFuture<Long> future1 = SettableFuture.create();
    SettableFuture<Long> future2 = SettableFuture.create();
    SettableFuture<Long> future3 = SettableFuture.create();
    SettableFuture<Long> future4 = SettableFuture.create();
    SettableFuture<Long> future5 = SettableFuture.create();

    ImmutableList<ListenableFuture<Long>> futures =
        inCompletionOrder(