debug.PrintStack()
		}
		return b
	}

	m.mu.RUnlock()
	m.mu.Lock()
	defer m.mu.Unlock()
	// See if someone else fetched it while we waited for the lock.
	b, ok = m.buckets[bucket]
	if ok {
		if b.bucket != bucket {
			logger.Info("getBucket: newly cached bucket %s does not match this bucket %s", b.bucket, bucket)

		// Calculate input body size with headers
		reqHeaders := r.Header.Clone()
		reqHeaders.Set("Host", r.Host)
		if len(r.TransferEncoding) == 0 {
			reqHeaders.Set("Content-Length", strconv.Itoa(int(r.ContentLength)))
		} else {
			reqHeaders.Set("Transfer-Encoding", strings.Join(r.TransferEncoding, ","))
		}
		inputBytes := reqRecorder.Size()
		for k, v := range reqHeaders {
			inputBytes += len(k) + len(v)
		}

    // System.out.println("status: "
    // + responseData.getHttpStatusCode()
    // + " content: "
    // + new String(InputStreamUtil.getBytes(responseData
    // .getResponseBody()), "UTF-8"));
    // } else {
    // System.out.println("OK");
    // }
    // }
    // }

        assertEquals(
            "sum of estimated sizes of trySplit and original spliterator after trySplit",
            originalSize,
            trySplit.estimateSize() + spliterator.estimateSize());
      } else {
        assertEquals(
            "estimated size of spliterator after failed trySplit",
            originalSize,
            spliterator.estimateSize());
      }
    }
    return trySplit;
  }

        assertEquals(
            "sum of estimated sizes of trySplit and original spliterator after trySplit",
            originalSize,
            trySplit.estimateSize() + spliterator.estimateSize());
      } else {
        assertEquals(
            "estimated size of spliterator after failed trySplit",
            originalSize,
            spliterator.estimateSize());
      }
    }
    return trySplit;
  }

      // The safe range is empty or the all safe code points lie in or above the
      // surrogate range. Either way the character range is empty.
      this.safeMinChar = Character.MAX_VALUE;
      this.safeMaxChar = 0;
    } else {
      // The safe range is non-empty and contains values below the surrogate
      // range but may extend above it. We may need to clip the maximum value.
      this.safeMinChar = (char) safeMin;

    assertBitEquals(1.0, at.get());
    for (double x : VALUES) {
      at.lazySet(x);
      assertBitEquals(x, at.get());
    }
  }

  /** compareAndSet succeeds in changing value if equal to expected else fails */
  public void testCompareAndSet() {
    double prev = Math.E;
    double unused = Math.E + Math.PI;
    AtomicDouble at = new AtomicDouble(prev);
    for (double x : VALUES) {

      while (!stack.isEmpty()) {
        PostOrderNode<T> top = stack.getLast();
        if (top.childIterator.hasNext()) {
          T child = top.childIterator.next();
          stack.addLast(expand(child));
        } else {
          stack.removeLast();
          return top.root;
        }
      }
      return endOfData();
    }

    private PostOrderNode<T> expand(T t) {

				t.Errorf("should succeed but failed with %v", err)
			}
			if err == nil {
				if sameAddr != testCase.sameAddr {
					t.Errorf("expected: %v, found: %v", testCase.sameAddr, sameAddr)
				}
			} else {
				if err.Error() != testCase.expectedErr.Error() {
					t.Errorf("failed with different error, expected: '%v', found:'%v'.",
						testCase.expectedErr, err)
				}
			}
		})
	}
}

	if err != nil {
		return err
	}
	xhttp.DrainBody(resp.Body)

	if resp.StatusCode >= 200 && resp.StatusCode <= 299 {
		// accepted HTTP status codes.
		return nil
	} else if resp.StatusCode == http.StatusForbidden {
		return fmt.Errorf("%s returned '%s', please check if your auth token is correctly set", target.args.Endpoint, resp.Status)
	}