try {
      assertEquals(
          "getOrDefault(null, def) should return default or throw",
          v3(),
          getMap().getOrDefault(null, v3()));
    } catch (NullPointerException tolerated) {
    }
  }

  @MapFeature.Require(ALLOWS_NULL_KEYS)
  @CollectionSize.Require(absent = ZERO)
  public void testGetOrDefault_nonNullWhenNullContained() {
    initMapWithNullKey();

    }

    private static File createTempFile() {
        try {
            File tempFile = File.createTempFile("test-system", ".properties");
            tempFile.deleteOnExit();
            return tempFile;
        } catch (IOException e) {
            logger.warn("Failed to create temp file, using null", e);
            return null;
        }
    }

    private void loadTestProperties() {

            }
            dst[dstIndex + TYPE_OFFSET] = (byte) (((hexCode & 0xF0) >> 4) + 0x41);
            dst[dstIndex + TYPE_OFFSET + 1] = (byte) ((hexCode & 0x0F) + 0x41);
        } catch (final UnsupportedEncodingException uee) {}
        return SCOPE_OFFSET + writeScopeWireFormat(dst, dstIndex + SCOPE_OFFSET);
    }

    int readWireFormat(final byte[] src, final int srcIndex) {

        assertArgumentNotNull("clazz", clazz);

        try {
            return clazz.newInstance();
        } catch (final InstantiationException e) {
            throw new InstantiationRuntimeException(clazz, e);
        } catch (final IllegalAccessException e) {
            throw new IllegalAccessRuntimeException(clazz, e);
        }
    }

    /**

                    java.lang.reflect.Field realmField = NetworkExplorer.class.getDeclaredField("realm");
                    realmField.setAccessible(true);
                    realmField.set(this, "jCIFS");
                } catch (Exception e) {
                    throw new ServletException(e);
                }
            }
        };

        assertDoesNotThrow(() -> networkExplorer.init(servletConfig));

    void set(T instance, Object value) {
      try {
        field.set(instance, value);
      } catch (IllegalAccessException impossible) {
        throw new AssertionError(impossible);
      }
    }

    void set(T instance, int value) {
      try {
        field.set(instance, value);
      } catch (IllegalAccessException impossible) {
        throw new AssertionError(impossible);
      }
    }
  }

                    return true;
                }

            } catch (InterruptedException e) {
                log.debug("RDMA recovery interrupted");
                Thread.currentThread().interrupt();
                break;
            } catch (Exception recoveryError) {
                log.warn("RDMA recovery attempt {} failed: {}", retryCount, recoveryError.getMessage());

        try {
            BaseConfiguration config = new BaseConfiguration(false);
            mockContext = new BaseContext(config);
            response = new SmbComNegotiateResponse(mockContext);
        } catch (Exception e) {
            throw new RuntimeException("Failed to set up test", e);
        }
    }

    @Test
    public void testConstructor() {
        assertNotNull(response);

        final int type = sid.getType();
        if (logger.isDebugEnabled()) {
            try {
                logger.debug("Processing SID: {} {} {}", type, sid, sid.toDisplayString());
            } catch (final Exception e) {
                // ignore
            }
        }
        final Integer id = fessConfig.getAvailableSmbSidType(type);
        if (id != null) {

        final Exception[] exceptionHolder = new Exception[1];

        Thread thread = new Thread(() -> {
            try {
                clientHolder[0] = new CrawlerEngineClient();
            } catch (Exception e) {
                exceptionHolder[0] = e;
            }
        });

        thread.start();
        thread.join();

        assertNull(exceptionHolder[0]);
        assertNotNull(clientHolder[0]);