.Builder()
        .body("ABC")
        .build(),
    )
    server.enqueue(
      MockResponse
        .Builder()
        .body("ABC")
        .build(),
    )
    val request1 = Request.Builder().url(server.url("/")).build()
    val response1 = client.newCall(request1).execute()
    assertThat(response1.body.string()).isEqualTo("ABC")

}

type LinesTest struct {
	a string
	b []string
}

var linesTests = []LinesTest{
	{a: "abc\nabc\n", b: []string{"abc\n", "abc\n"}},
	{a: "abc\r\nabc", b: []string{"abc\r\n", "abc"}},
	{a: "abc\r\n", b: []string{"abc\r\n"}},
	{a: "\nabc", b: []string{"\n", "abc"}},
	{a: "\nabc\n\n", b: []string{"\n", "abc\n", "\n"}},
}

func TestLines(t *testing.T) {
	for _, s := range linesTests {

    CharMatcher len1 = SmallCharMatcher.from(bitSet("#"), "#");
    CharMatcher len2 = SmallCharMatcher.from(bitSet("ab"), "ab");
    CharMatcher len3 = SmallCharMatcher.from(bitSet("abc"), "abc");
    CharMatcher len4 = SmallCharMatcher.from(bitSet("abcd"), "abcd");
    assertTrue(len1.matches('#'));
    assertFalse(len1.matches('!'));
    assertTrue(len2.matches('a'));
    assertTrue(len2.matches('b'));

    }
    assertThat(builder.toString()).isEqualTo(expected);
  }

  static final CharSource BROKEN_READ_SOURCE = new TestCharSource("ABC", READ_THROWS);
  static final CharSource BROKEN_CLOSE_SOURCE = new TestCharSource("ABC", CLOSE_THROWS);
  static final CharSource BROKEN_OPEN_SOURCE = new TestCharSource("ABC", OPEN_THROWS);
  static final CharSink BROKEN_WRITE_SINK = new TestCharSink(WRITE_THROWS);

    String simple = "abcd";
    Iterable<String> letters = Splitter.fixedLength(1).limit(100).split(simple);
    assertThat(letters).containsExactly("a", "b", "c", "d").inOrder();
  }

  public void testLimitOne() {
    String simple = "abcd";
    Iterable<String> letters = Splitter.fixedLength(1).limit(1).split(simple);
    assertThat(letters).containsExactly("abcd").inOrder();
  }

    // Two identical invalid pairs.
    assertThat(Strings.commonPrefix("abc\uD8AB\uD8ACdef", "abc\uD8AB\uD8ACxyz"))
        .isEqualTo("abc\uD8AB\uD8AC");
    // Two differing invalid pairs.
    assertThat(Strings.commonPrefix("abc\uD8AB\uD8ABdef", "abc\uD8AB\uD8ACxyz"))
        .isEqualTo("abc\uD8AB");
    // One orphan high surrogate.

    // Two identical invalid pairs.
    assertThat(Strings.commonPrefix("abc\uD8AB\uD8ACdef", "abc\uD8AB\uD8ACxyz"))
        .isEqualTo("abc\uD8AB\uD8AC");
    // Two differing invalid pairs.
    assertThat(Strings.commonPrefix("abc\uD8AB\uD8ABdef", "abc\uD8AB\uD8ACxyz"))
        .isEqualTo("abc\uD8AB");
    // One orphan high surrogate.

      String.valueOf(Character.MIN_LOW_SURROGATE),
      Character.MIN_LOW_SURROGATE + "xyz",
      "abc" + Character.MIN_LOW_SURROGATE,
      "abc" + Character.MIN_LOW_SURROGATE + "xyz",
      String.valueOf(Character.MAX_LOW_SURROGATE),
      Character.MAX_LOW_SURROGATE + "xyz",
      "abc" + Character.MAX_LOW_SURROGATE,
      "abc" + Character.MAX_LOW_SURROGATE + "xyz",
    };
    for (String s : BAD_STRINGS) {

    assertEquals(java.util.Optional.of("abc"), Optional.toJavaUtil(Optional.of("abc")));
  }

  public void testToJavaUtil_instance() {
    assertEquals(java.util.Optional.empty(), Optional.absent().toJavaUtil());
    assertEquals(java.util.Optional.of("abc"), Optional.of("abc").toJavaUtil());
  }

  @SuppressWarnings("NullOptional")
  public void testFromJavaUtil() {

        assertFalse(queryBuilder.isHiraganaQuery("こ犬"));
        assertFalse(queryBuilder.isHiraganaQuery("abc"));
        assertFalse(queryBuilder.isHiraganaQuery("カキク"));
        assertFalse(queryBuilder.isHiraganaQuery("あカ"));
        assertFalse(queryBuilder.isHiraganaQuery("アか"));
        assertFalse(queryBuilder.isHiraganaQuery("abcあ"));
    }