public int read(char[] cbuf, int off, int len) throws IOException {
        // if a buffer isn't being cleared correctly, this method will eventually start being called
        // with a len of 0 forever
        if (len <= 0) {
          fail("read called with a len of " + len);
        }
        // read fewer than the max number of chars to read
        // shouldn't be a problem unless the buffer is shrinking each call

      public int read(char[] cbuf, int off, int len) throws IOException {
        // if a buffer isn't being cleared correctly, this method will eventually start being called
        // with a len of 0 forever
        if (len <= 0) {
          fail("read called with a len of " + len);
        }
        // read fewer than the max number of chars to read
        // shouldn't be a problem unless the buffer is shrinking each call

    assertEquals(RemovalCause.REPLACED, notification.getCause());
    assertTrue(listener.isEmpty());

    // inactive
    Object value3 = new Object();
    map.clear();
    listener.clear();
    assertEquals(0, segment.count);
    table.set(index, entry);
    assertTrue(segment.storeLoadedValue(key, hash, valueRef, value3));
    assertSame(value3, segment.get(key, hash));

    assertEquals(RemovalCause.REPLACED, notification.getCause());
    assertTrue(listener.isEmpty());

    // inactive
    Object value3 = new Object();
    map.clear();
    listener.clear();
    assertEquals(0, segment.count);
    table.set(index, entry);
    assertTrue(segment.storeLoadedValue(key, hash, valueRef, value3));
    assertSame(value3, segment.get(key, hash));

      super(urls);
    }

    @Override
    protected synchronized Class<?> loadClass(String name, boolean resolve)
        throws ClassNotFoundException {
      // Force Finalizer to load from this class loader, not its parent.
      if (name.equals(Finalizer.class.getName())) {
        Class<?> clazz = findClass(name);
        if (resolve) {
          resolveClass(clazz);
        }
        return clazz;
      }

	// Prepare Data for Clear
	if err := DB.Model(&user2).Association("Languages").Append(&language); err != nil {
		t.Fatalf("Error happened when append Languages, got %v", err)
	}

	AssertAssociationCount(t, user2, "Languages", 1, "after prepare data")

	// Clear
	if err := DB.Model(&user2).Association("Languages").Clear(); err != nil {
		t.Errorf("Error happened when clear Languages, got %v", err)
	}

        assertEquals(32, chars[0]);
        assertEquals(12288, chars[1]);
    }

    public void test_getCrawlerDocumentHtmlPrunedTagsAsArray() throws Exception {
        FessProp.propMap.clear();
        FessConfig fessConfig = new FessConfig.SimpleImpl() {
            @Override
            public String getCrawlerDocumentHtmlPrunedTags() {
                return "script,div#main,p.image,a[rel=nofollow],div[x-y=a-.:_0]";

        if (totalBytesRead == len || doneFlushing) {
          return (totalBytesRead > 0) ? totalBytesRead : -1;
        }
        draining = false;
        Java8Compatibility.clear(byteBuffer);
      }

      while (true) {
        // We call encode until there is no more input. The last call to encode will have endOfInput
        // == true. Then there is a final call to flush.

        if (totalBytesRead == len || doneFlushing) {
          return (totalBytesRead > 0) ? totalBytesRead : -1;
        }
        draining = false;
        Java8Compatibility.clear(byteBuffer);
      }

      while (true) {
        // We call encode until there is no more input. The last call to encode will have endOfInput
        // == true. Then there is a final call to flush.

        }
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.filter.UrlFilter#clear()
     */
    @Override
    public void clear() {
        cachedIncludeSet.clear();
        cachedExcludeSet.clear();
        if (sessionId != null) {
            getUrlFilterService().delete(sessionId);
        }
    }

    /*
     * (non-Javadoc)