}
      return bufferedSource;
    }

    private Source source(Source source) {
      return new ForwardingSource(source) {
        long totalBytesRead = 0L;

        @Override public long read(Buffer sink, long byteCount) throws IOException {
          long bytesRead = super.read(sink, byteCount);
          // read() returns the number of bytes read, or -1 if this source is exhausted.

@GwtCompatible(emulated = true)
public class ConverterTest extends TestCase {

  private static final Converter<String, Long> STR_TO_LONG =
      new Converter<String, Long>() {
        @Override
        protected Long doForward(String object) {
          return Long.valueOf(object);
        }

        @Override
        protected String doBackward(Long object) {
          return String.valueOf(object);
        }

        @Override

  // Double#doubleToRawLongBits(double)} spec.
  static final long SIGNIFICAND_MASK = 0x000fffffffffffffL;

  // The mask for the exponent, according to the {@link
  // Double#doubleToRawLongBits(double)} spec.
  static final long EXPONENT_MASK = 0x7ff0000000000000L;

  // The mask for the sign, according to the {@link
  // Double#doubleToRawLongBits(double)} spec.
  static final long SIGN_MASK = 0x8000000000000000L;

    }

    public static String getMemoryUsageLog() {
        final Runtime runtime = Runtime.getRuntime();
        final long freeBytes = runtime.freeMemory();
        final long maxBytes = runtime.maxMemory();
        final long totalBytes = runtime.totalMemory();
        final long usedBytes = totalBytes - freeBytes;

    @Resource
    protected SystemHelper systemHelper;

    @Resource
    protected IndexingHelper indexingHelper;

    protected boolean finishCrawling = false;

    protected long executeTime;

    protected long documentSize;

    protected int maxIndexerErrorCount = 0;

    protected int maxErrorCount = 2;

    protected List<String> finishedSessionIdList = new ArrayList<>();

    //                                                                           =========
    /** endTime */
    protected Long endTime;

    /** jobName */
    protected String jobName;

    /** jobStatus */
    protected String jobStatus;

    /** lastUpdated */
    protected Long lastUpdated;

    /** scriptData */
    protected String scriptData;

    /** scriptResult */

        downloads.put(resource, event.getTransferredBytes());

        StringBuilder buffer = new StringBuilder(64);

        for (Map.Entry<TransferResource, Long> entry : downloads.entrySet()) {
            long total = entry.getKey().getContentLength();
            long complete = entry.getValue();

            buffer.append(getStatus(complete, total)).append("  ");
        }

        int pad = lastLength - buffer.length();

        this.delayMillisAtNoUrlInQueue = delayMillisAtNoUrlInQueue;
    }

    public long getDelayMillisBeforeProcessing() {
        return delayMillisBeforeProcessing;
    }

    public void setDelayMillisBeforeProcessing(final long delayMillisBeforeProcessing) {
        this.delayMillisBeforeProcessing = delayMillisBeforeProcessing;
    }

        return this;
    }

    public void setCreatedTime_Equal(Long createdTime) {
        setCreatedTime_Term(createdTime, null);
    }

    public void setCreatedTime_Equal(Long createdTime, ConditionOptionCall<TermQueryBuilder> opLambda) {
        setCreatedTime_Term(createdTime, opLambda);
    }

    public void setCreatedTime_Term(Long createdTime) {
        setCreatedTime_Term(createdTime, null);
    }

  }

  public void testCheckPositive_maxLong() {
    MathPreconditions.checkPositive("long", Long.MAX_VALUE);
  }

  public void testCheckPositive_minLong() {
    assertThrows(
        IllegalArgumentException.class,
        () -> MathPreconditions.checkPositive("long", Long.MIN_VALUE));
  }

  public void testCheckPositive_positiveLong() {