assertThat(UnsignedLongs.divide(14, 5)).isEqualTo(2);
    assertThat(UnsignedLongs.divide(0, 50)).isEqualTo(0);
    assertThat(UnsignedLongs.divide(0xfffffffffffffffeL, 0xfffffffffffffffdL)).isEqualTo(1);
    assertThat(UnsignedLongs.divide(0xfffffffffffffffdL, 0xfffffffffffffffeL)).isEqualTo(0);
    assertThat(UnsignedLongs.divide(0xfffffffffffffffeL, 65535)).isEqualTo(281479271743488L);

  }

  @Test
  fun bytesEmpty() {
    val body = body("")
    assertThat(body.bytes().size).isEqualTo(0)
  }

  @Test
  fun bytesSeesBom() {
    val body = body("efbbbf68656c6c6f")
    val bytes = body.bytes()
    assertThat(bytes[0] and 0xff).isEqualTo(0xef)
    assertThat(bytes[1] and 0xff).isEqualTo(0xbb)
    assertThat(bytes[2] and 0xff).isEqualTo(0xbf)

    assertThat(Chars.indexOf(EMPTY, (char) 1)).isEqualTo(-1);
    assertThat(Chars.indexOf(ARRAY1, (char) 2)).isEqualTo(-1);
    assertThat(Chars.indexOf(ARRAY234, (char) 1)).isEqualTo(-1);
    assertThat(Chars.indexOf(new char[] {(char) -1}, (char) -1)).isEqualTo(0);
    assertThat(Chars.indexOf(ARRAY234, (char) 2)).isEqualTo(0);
    assertThat(Chars.indexOf(ARRAY234, (char) 3)).isEqualTo(1);

    assertThat(inputStream!!.read()).isEqualTo('A'.code)
    assertThat(inputStream.read()).isEqualTo('B'.code)
    assertThat(inputStream.read()).isEqualTo('C'.code)
    assertThat(inputStream.read()).isEqualTo('D'.code)
    assertThat(inputStream.read()).isEqualTo('E'.code)
    assertThat(inputStream.read()).isEqualTo('F'.code)
    assertThat(inputStream.read()).isEqualTo(-1)
    val elapsedNanos = System.nanoTime() - startNanos

    assertThat(inputStream.read()).isEqualTo('A'.code)
    assertThat(inputStream.read()).isEqualTo('B'.code)
    assertThat(inputStream.read()).isEqualTo('C'.code)
    assertThat(inputStream.read()).isEqualTo('D'.code)
    assertThat(inputStream.read()).isEqualTo('E'.code)
    assertThat(inputStream.read()).isEqualTo('F'.code)
    assertThat(inputStream.read()).isEqualTo(-1)
    val elapsedNanos = System.nanoTime() - startNanos

    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() {

    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() {