} else {
                    file.delete();
                }
            }
        }
        dir.delete();
    }

    // Test initialization
    public void test_init() {
        assertNotNull(thumbnailManager.baseDir);
        assertTrue(thumbnailManager.baseDir.exists());
        assertTrue(thumbnailManager.baseDir.isDirectory());

        indexUpdateCallback.init();
    }

    @Override
    public void tearDown() throws Exception {
        super.tearDown();
    }

    public void test_init() {
        // Test initialization
        assertEquals(1048576L, indexUpdateCallback.maxDocumentRequestSize);
        assertEquals(10000, indexUpdateCallback.maxDocumentCacheSize);
    }

      BigInteger halfEven = BigIntegerMath.sqrt(x, HALF_EVEN);
      // Now figure out what rounding mode we should behave like (it depends if FLOOR was
      // odd/even).
      boolean floorWasOdd = BigIntegerMath.sqrt(x, FLOOR).testBit(0);
      assertEquals(BigIntegerMath.sqrt(x, floorWasOdd ? HALF_UP : HALF_DOWN), halfEven);
    }
  }

  @GwtIncompatible // TODO
  @AndroidIncompatible // slow
  public void testDivNonZero() {

    }

    @Override
    public void tearDown() throws Exception {
        ComponentUtil.setFessConfig(null);
        super.tearDown();
    }

    public void test_init() {
        // Test initialization with null fields
        queryFieldConfig.init();

        // Verify response fields are initialized
        assertNotNull(queryFieldConfig.getResponseFields());

        super.tearDown();
    }

    // Test constructor
    public void test_constructor() {
        assertNotNull(new WebApiFilter());
    }

    // Test init method
    public void test_init() throws ServletException {
        FilterConfig filterConfig = new FilterConfig() {
            @Override
            public String getFilterName() {
                return "testFilter";
            }

            indexUpdater.interrupt();
            indexUpdater.join(1000);
        }
        super.tearDown();
    }

    // Test initialization
    public void test_init() {
        indexUpdater.init();
        assertNotNull(indexUpdater);
    }

    // Test initialization with IngestFactory
    public void test_init_withIngestFactory() {