while (in != null) {
      int result = in.read();
      if (result != -1) {
        return result;
      }
      advance();
    }
    return -1;
  }

  @Override
  public int read(byte[] b, int off, int len) throws IOException {
    checkNotNull(b);
    while (in != null) {
      int result = in.read(b, off, len);
      if (result != -1) {
        return result;
      }
      advance();
    }

        // When
        CommonServerMessageBlockRequest result = request.getNext();

        // Then
        assertNotNull(result);
        assertEquals(nextRequest, result);
        verify(request, times(1)).getNext();
    }

    @Test
    @DisplayName("Test getNext returns null when no chained message")
    void testGetNextWithNoChainedMessage() {
        // Given
        when(request.getNext()).thenReturn(null);

        testProcessHelper.processOutput = "Process terminated";

        String result = pythonJob.execute();

        assertNotNull(result);
        assertTrue(result.contains("Session Id:"));
        assertTrue(result.contains("Process is terminated due to 60 second exceeded") || result.contains("Process terminated"));
    }

    // Test executePython with blank filename
    @Test

    @DisplayName("Test writeBytesWireFormat returns 0")
    void testWriteBytesWireFormat() {
        byte[] dst = new byte[1024];
        int dstIndex = 0;

        int result = response.writeBytesWireFormat(dst, dstIndex);

        assertEquals(0, result);
    }

    @Test
    @DisplayName("Test readBytesWireFormat with valid structure size")
    void testReadBytesWireFormatValidStructureSize() throws SMBProtocolDecodingException {

                            versions.add(ver);
                            result.setRepository(ver, v.getValue());
                        }
                    } catch (InvalidVersionSpecificationException e) {
                        result.addException(e);
                    }
                }

                Collections.sort(versions);
                result.setVersions(versions);
            }
        }

    BigInteger result;
    do {
      result = randomNonNegativeBigInteger(numBits);
    } while (result.signum() == 0);
    return result;
  }

  /**
   * Generates a number in [0, 2^numBits) with an exponential distribution. The floor of the log2 of
   * the result is chosen uniformly at random in [0, numBits), and then the result is chosen in that

            String result = nc.toString();

            // Should contain hex representation of 0-15
            assertTrue(result.contains("0x"));
            assertTrue(result.contains("dc=LARGEDC"));
            // The hex string should be 32 chars long (16 bytes * 2)
            String hexPart = result.substring(result.indexOf("0x") + 2, result.indexOf(",dc="));

    }

    @Override
    protected <RESULT extends ClickLog> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setUrlId(DfTypeUtil.toString(source.get("urlId")));
            result.setDocId(DfTypeUtil.toString(source.get("docId")));
            result.setOrder(DfTypeUtil.toInteger(source.get("order")));

    private final ModelBuilderResult result;

    /**
     * Creates a new exception from the specified interim result and its associated problems.
     *
     * @param result The interim result, may be {@code null}.
     */
    public ModelBuilderException(ModelBuilderResult result) {
        super(result.toString());
        this.result = result;
    }

    /**

  }

  @Test fun singleIpv6() {
    val result = reorderForHappyEyeballs(listOf(ipv6_ab))

    assertThat(result).isEqualTo(
      listOf(ipv6_ab),
    )
  }

  @Test fun singleIpv4() {
    val result = reorderForHappyEyeballs(listOf(ipv4_10_0_0_6))

    assertThat(result).isEqualTo(
      listOf(ipv4_10_0_0_6),
    )
  }

  @Test fun prioritiseIpv6() {