assertThat(UnsignedInts.decode("0xffffffff")).isEqualTo(0xffffffff);
    assertThat(UnsignedInts.decode("01234567")).isEqualTo(01234567); // octal
    assertThat(UnsignedInts.decode("#12345678")).isEqualTo(0x12345678);
    assertThat(UnsignedInts.decode("76543210")).isEqualTo(76543210);
    assertThat(UnsignedInts.decode("0x13579135")).isEqualTo(0x13579135);
    assertThat(UnsignedInts.decode("0X13579135")).isEqualTo(0x13579135);

  public void testToInt() {
    assertThat(UnsignedBytes.toInt((byte) 0)).isEqualTo(0);
    assertThat(UnsignedBytes.toInt((byte) 1)).isEqualTo(1);
    assertThat(UnsignedBytes.toInt((byte) 127)).isEqualTo(127);
    assertThat(UnsignedBytes.toInt((byte) -128)).isEqualTo(128);
    assertThat(UnsignedBytes.toInt((byte) -127)).isEqualTo(129);
    assertThat(UnsignedBytes.toInt((byte) -1)).isEqualTo(255);
  }

  public void testCheckedCast() {

    assertTrue(queue.add("hi"));
    assertThat(queue.element()).isEqualTo("hi");
    assertThat(queue.peek()).isEqualTo("hi");
    assertEquals(1, queue.size());
    assertEquals(0, queue.remainingCapacity());

    assertTrue(queue.add("there"));
    assertThat(queue.element()).isEqualTo("there");
    assertThat(queue.peek()).isEqualTo("there");
    assertEquals(1, queue.size());

    assertThat(heldCertificate.certificatePem()).isEqualTo(certificatePem)
    assertThat(heldCertificate.privateKeyPkcs8Pem()).isEqualTo(pkcs8Pem)
    val certificate = heldCertificate.certificate
    assertThat(certificate.notBefore.time).isEqualTo(5000L)
    assertThat(certificate.notAfter.time).isEqualTo(10000L)
    assertThat(certificate.subjectAlternativeNames.toList()).containsExactly(

          "0003b00049df00112",
      ),
    )
    val result = dns.lookup("google.com")
    assertThat(result).isEqualTo(listOf(address("157.240.1.18")))
    val recordedRequest = server.takeRequest()
    assertThat(recordedRequest.method).isEqualTo("GET")
    assertThat(recordedRequest.url.encodedQuery)
      .isEqualTo("ct&dns=AAABAAABAAAAAAAABmdvb2dsZQNjb20AAAEAAQ")
  }

  @Test
  fun getIpv6() {
    server.enqueue(

            "This is a line\r\nThis too\rand this\nand also this".getBytes(UTF_8));
    assertThat(in.readLine()).isEqualTo("This is a line");
    assertThat(in.readLine()).isEqualTo("This too");
    assertThat(in.readLine()).isEqualTo("and this");
    assertThat(in.readLine()).isEqualTo("and also this");
  }

  public void testNewDataInput_readFloat() {

    assertThat(xmlEscaper.escape("xxx")).isEqualTo("xxx");
    assertThat(xmlEscaper.escape("test & test & test")).isEqualTo("test & test & test");
    assertThat(xmlEscaper.escape("test << 1")).isEqualTo("test &lt;&lt; 1");
    assertThat(xmlEscaper.escape("test >> 1")).isEqualTo("test &gt;&gt; 1");
    assertThat(xmlEscaper.escape("<tab>")).isEqualTo("&lt;tab&gt;");

    // Test all non-escaped ASCII characters.

          .that(UnsignedInteger.fromIntBits(value).intValue())
          .isEqualTo(value);
    }
  }

  public void testFromIntBitsLongValue() {
    for (int value : TEST_INTS) {
      long expected = value & 0xffffffffL;
      assertWithMessage(UnsignedInts.toString(value))
          .that(UnsignedInteger.fromIntBits(value).longValue())
          .isEqualTo(expected);
    }
  }

  public void testValueOfLong() {

    assertThat(iia.indexOf(1)).isEqualTo(0);
    assertThat(iia.indexOf(8)).isEqualTo(5);
    assertThat(iia.indexOf(4)).isEqualTo(-1);
    assertThat(ImmutableIntArray.of(13).indexOf(13)).isEqualTo(0);
    assertThat(ImmutableIntArray.of().indexOf(21)).isEqualTo(-1);
    assertThat(iia.subArray(1, 5).indexOf(1)).isEqualTo(0);
  }

  public void testLastIndexOf() {

    assertThat(MoreFiles.getFileExtension(root())).isEqualTo("");
    assertThat(MoreFiles.getFileExtension(FS.getPath("."))).isEqualTo("");
    assertThat(MoreFiles.getFileExtension(FS.getPath(".."))).isEqualTo("");
    assertThat(MoreFiles.getFileExtension(FS.getPath("..."))).isEqualTo("");
    assertThat(MoreFiles.getFileExtension(FS.getPath("blah"))).isEqualTo("");