byte[] buffer = new byte[10];

        IOException exception = assertThrows(IOException.class, () -> {
            SessionServicePacket.readPacketType(bais, buffer, 0);
        });

        assertEquals("unexpected EOF reading netbios session header", exception.getMessage());
    }

    @Test
    @DisplayName("readPacketType should throw IOException on incomplete header")
    void testReadPacketTypeIncompleteHeader() {

        VERSION_1 != version ||
        appVersion.toString() != appVersionString ||
        valueCount.toString() != valueCountString ||
        blank.isNotEmpty()
      ) {
        throw IOException(
          "unexpected journal header: [$magic, $version, $valueCountString, $blank]",
        )
      }

      var lineCount = 0
      while (true) {
        try {
          readJournalLine(readUtf8LineStrict())

    @Override
    int readTrailerWireFormat(final InputStream in, final byte[] buffer, int bufferIndex) throws IOException {
        if (in.read(buffer, bufferIndex, length) != length) {
            throw new IOException("unexpected EOF reading netbios retarget session response");
        }
        final int addr = readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        retargetAddress = new NbtAddress(null, addr, false, NbtAddress.B_NODE);

        .url("https://publicobject.com/secrets/hellosecret.txt")
        .build();

    try (Response response = client.newCall(request).execute()) {
      if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

      System.out.println(response.body().string());
    }
  }

  public static void main(String... args) throws Exception {
    new PreemptiveAuth().run();
  }

            assertEquals(3, skipped);
        } catch (IOException e) {
            // This is also acceptable behavior - skip may fail when it runs out of data
            assertTrue(e.getMessage().contains("unexpected EOF"));
        }
    }

    @Test
    @DisplayName("Keep-alive packets are transparently skipped")
    void keepAlivePacketsAreSkipped() throws IOException {

    void interfaceStructure() {
        Class<?> c = SpnegoConstants.class;
        assertTrue(c.isInterface(), "SpnegoConstants must be an interface");
        assertEquals(4, c.getDeclaredFields().length, "Unexpected number of fields");
        assertEquals(0, c.getDeclaredMethods().length, "No declared methods expected");
        assertEquals(0, c.getDeclaredConstructors().length, "Interfaces have no constructors");
    }

    @Test

     * Provides messages including edge cases (null and empty) for parameterized testing.
     */
    static Stream<Arguments> messages() {
        return Stream.of(Arguments.of((String) null), Arguments.of(""), Arguments.of("unexpected downgrade"));
    }

    @Test
    @DisplayName("Default ctor: null message/cause; toString is class name; type hierarchy")
    void defaultConstructor_hasNullMessageAndCause_andTypeHierarchy() {

 * certificate is signed by the certificate that follows, and the last certificate is a trusted CA
 * certificate.
 *
 * Use of the chain cleaner is necessary to omit unexpected certificates that aren't relevant to
 * the TLS handshake and to extract the trusted CA certificate for the benefit of certificate
 * pinning.
 */
abstract class CertificateChainCleaner {

        .url("https://publicobject.com/helloworld.txt")
        .build();

    try (Response response = client.newCall(request).execute()) {
      if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

      System.out.println(response.body().string());
    }
  }

  public static void main(String... args) throws Exception {
    new CheckHandshake().run();
  }

        url = "https://api.github.com/markdown/raw".toHttpUrl(),
        body = requestBody,
      )

    client.newCall(request).execute().use { response ->
      if (!response.isSuccessful) throw IOException("Unexpected code $response")

      println(response.body.string())
    }
  }

  companion object {
    val MEDIA_TYPE_MARKDOWN = "text/x-markdown; charset=utf-8".toMediaType()
  }
}

fun main() {