Map<Object, Object> paramMap = createSnakeMap();

        assertNull(paramMap.get("xxx"));
        assertEquals("111", paramMap.get("aaa"));
        assertEquals("222", paramMap.get("aaa_bbb"));
        assertEquals("222", paramMap.get("aaaBbb"));
        assertEquals("222", paramMap.get("AaaBbb"));
        assertNull(paramMap.get("aaabbb"));
        assertEquals("333", paramMap.get("aaa_bbb_ccc"));

    public void testAddAll() throws Exception {
        final String[] array = new String[] { "111" };
        final String[] newArray = ArrayUtil.add(array, "222");
        assertThat(newArray.length, is(2));
        assertThat(newArray[0], is("111"));
        assertThat(newArray[1], is("222"));

        final String[] emptyArray = new String[0];
        assertThat(ArrayUtil.addAll((Object[]) null, (Object[]) null), is(nullValue()));

        assertEquals("1", paramMap.get("a")[0]);
        assertEquals("2", paramMap.get("b")[0]);

        paramMap = filter.parseQueryString("a=111&b=222&c=333", "UTF-8");
        assertEquals(3, paramMap.size());
        assertEquals("111", paramMap.get("a")[0]);
        assertEquals("222", paramMap.get("b")[0]);
        assertEquals("333", paramMap.get("c")[0]);

        paramMap = filter.parseQueryString("a=1&b=2&c=3&a=2", "UTF-8");

    assertEquals(3, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());

    cache.put(2, 22);

    assertEquals(ImmutableMap.of(2, 22), cache.getAllPresent(asList(1, 2, 3)));
    stats = cache.stats();
    assertEquals(5, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());

     */
    @Test
    public void testAll() throws Exception {
        final LruHashMap<String, String> lru = new LruHashMap<String, String>(3);
        lru.put("aaa", "111");
        lru.put("bbb", "222");
        lru.put("ccc", "333");
        assertThat(lru.get("aaa"), is("111"));
        Iterator<String> i = lru.keySet().iterator();
        assertThat(i.next(), is("bbb"));
        assertThat(i.next(), is("ccc"));

        assertEquals("222" + viewHelper.highlightTagPre + "aaa" + viewHelper.highlightTagPost, viewHelper.escapeHighlight(text));

        text = "111\n222" + viewHelper.originalHighlightTagPre + "aaa" + viewHelper.originalHighlightTagPost;
        assertEquals("222" + viewHelper.highlightTagPre + "aaa" + viewHelper.highlightTagPost, viewHelper.escapeHighlight(text));

      <version>2.1.1</version>
      <version>2.1.2</version>
      <version>2.1.3</version>
      <version>2.1.4</version>
      <version>2.2.0</version>
      <version>2.2.1</version>
      <version>2.2.2</version>
      <version>2.2.3</version>
      <version>2.3.0</version>
      <version>2.3.1</version>
      <version>2.3.2</version>
      <version>2.3.3</version>
      <version>2.3.4</version>

        assertEquals("action:AAA BBB\tuser:testuser\t111:222", localLogMsg.get());

        activityHelper.print("ccc", createUser("testuser", new String[] { "111", "222" }), Map.of("111", "222", "333", "444"));
        assertEquals("action:CCC\tuser:testuser\t111:222\t333:444", localLogMsg.get());
    }

    public void test_login_ecs() {

      <version>2.1.1</version>
      <version>2.1.2</version>
      <version>2.1.3</version>
      <version>2.1.4</version>
      <version>2.2.0</version>
      <version>2.2.1</version>
      <version>2.2.2</version>
      <version>2.2.3</version>
      <version>2.3.0</version>
      <version>2.3.1</version>
      <version>2.3.2</version>
      <version>2.3.3</version>
      <version>2.3.4</version>

      <version>2.1.1</version>
      <version>2.1.2</version>
      <version>2.1.3</version>
      <version>2.1.4</version>
      <version>2.2.0</version>
      <version>2.2.1</version>
      <version>2.2.2</version>
      <version>2.2.3</version>
      <version>2.3.0</version>
      <version>2.3.1</version>
      <version>2.3.2</version>
      <version>2.3.3</version>
      <version>2.3.4</version>