assertThat(Strings.commonPrefix("xyz", "abcde")).isEqualTo("");
    assertThat(Strings.commonPrefix("xyz", "abcxyz")).isEqualTo("");
    assertThat(Strings.commonPrefix("abc", "aaaaa")).isEqualTo("a");
    assertThat(Strings.commonPrefix("aa", "aaaaa")).isEqualTo("aa");
    assertThat(Strings.commonPrefix(new StringBuilder("abcdef"), "abcxyz")).isEqualTo("abc");

    // Identical valid surrogate pairs.

    assertThat(Strings.commonPrefix("xyz", "abcde")).isEqualTo("");
    assertThat(Strings.commonPrefix("xyz", "abcxyz")).isEqualTo("");
    assertThat(Strings.commonPrefix("abc", "aaaaa")).isEqualTo("a");
    assertThat(Strings.commonPrefix("aa", "aaaaa")).isEqualTo("aa");
    assertThat(Strings.commonPrefix(new StringBuilder("abcdef"), "abcxyz")).isEqualTo("abc");

    // Identical valid surrogate pairs.

  private static final String ALMOST_TOO_MANY_LEVELS = Strings.repeat("a.", 127);

  @SuppressWarnings("InlineMeInliner") // String.repeat unavailable under Java 8
  private static final String ALMOST_TOO_LONG = Strings.repeat("aaaaa.", 40) + "1234567890.c";

  private static final ImmutableSet<String> VALID_NAME =
      ImmutableSet.of(
          // keep-sorted start
          "123.cn",
          "8server.shop",
          "a" + DELTA + "b.com",

  private static final String ALMOST_TOO_MANY_LEVELS = Strings.repeat("a.", 127);

  @SuppressWarnings("InlineMeInliner") // String.repeat unavailable under Java 8
  private static final String ALMOST_TOO_LONG = Strings.repeat("aaaaa.", 40) + "1234567890.c";

  private static final ImmutableSet<String> VALID_NAME =
      ImmutableSet.of(
          // keep-sorted start
          "123.cn",
          "8server.shop",
          "a" + DELTA + "b.com",

        history.add(LlmMessage.user("AAAA")); // 4
        history.add(LlmMessage.assistant("BBBBBB")); // 6
        final LlmChatRequest request = new LlmChatRequest();
        client.testAddHistoryWithBudget(request, history, 10);
        assertEquals(2, request.getMessages().size());
        assertEquals("AAAA", request.getMessages().get(0).getContent());

    assertValue("f", "f", "f")
    assertValue("g", "g", "g")
  }

  @Test
  fun cacheSingleEntryOfSizeGreaterThanMaxSize() {
    cache.close()
    createNewCacheWithSize(10)
    set("a", "aaaaa", "aaaaaa") // size=11
    cache.flush()
    assertAbsent("a")
  }

  @Test
  fun cacheSingleValueOfSizeGreaterThanMaxSize() {
    cache.close()
    createNewCacheWithSize(10)

  @SuppressWarnings("deprecation") // testing a deprecated method
  public void testWriteBytes_discardHighOrderBytes() throws IOException {

    /* Write out various test values in LITTLE ENDIAN FORMAT */
    out.writeBytes("\uAAAA\uAABB\uAACC");

    byte[] data = baos.toByteArray();

    /* Setup input streams */
    DataInput in = new DataInputStream(new ByteArrayInputStream(data));

    /* Read in various values NORMALLY */

  @SuppressWarnings("deprecation") // testing a deprecated method
  public void testWriteBytes_discardHighOrderBytes() throws IOException {

    /* Write out various test values in LITTLE ENDIAN FORMAT */
    out.writeBytes("\uAAAA\uAABB\uAACC");

    byte[] data = baos.toByteArray();

    /* Setup input streams */
    DataInput in = new DataInputStream(new ByteArrayInputStream(data));

    /* Read in various values NORMALLY */

    tester.testAllPublicInstanceMethods(matcher);
  }

  public void testNoMatches() {
    doTestNoMatches(CharMatcher.none(), "blah");
    doTestNoMatches(is('a'), "bcde");
    doTestNoMatches(isNot('a'), "aaaa");
    doTestNoMatches(anyOf(""), "abcd");
    doTestNoMatches(anyOf("x"), "abcd");
    doTestNoMatches(anyOf("xy"), "abcd");
    doTestNoMatches(anyOf("CharMatcher"), "zxqy");

        document.put("title", "111AaA222bbb");
        assertEquals("111<strong>AaA</strong>222bbb", viewHelper.getContentTitle(document));

        document.put("title", "aaaAAA");
        assertEquals("<strong>aaa</strong><strong>AAA</strong>", viewHelper.getContentTitle(document));

        querySet.add("BBB");

        document.put("title", "111AaA222bbb");