// Test various long values
        assertEquals("0000000000000000", Hexdump.toHexString(0L, 16));
        assertEquals("00000000000000FF", Hexdump.toHexString(255L, 16));
        assertEquals("FFFFFFFFFFFFFFFF", Hexdump.toHexString(-1L, 16));

        // Test different sizes
        assertEquals("00000000", Hexdump.toHexString(0L, 8));
        assertEquals("12345678", Hexdump.toHexString(0x12345678L, 8));
    }

    @Test

        // When
        int result = instance.readParameterWordsWireFormat(buffer, 0);

        // Then
        assertEquals(8, result);
        assertEquals(0L, instance.getCount());
    }

    /**
     * Test of writeParameterWordsWireFormat method
     */
    @Test
    public void testWriteParameterWordsWireFormat() {
        // Given

                    java.util.function.BiFunction<org.opensearch.action.update.UpdateRequestBuilder, org.opensearch.search.SearchHit, org.opensearch.action.update.UpdateRequestBuilder> processor) {
                return 0L;
            }
        };
        ComponentUtil.register(zeroClient, "searchEngineClient");

        String result = updateLabelJob.execute();
        assertNotNull(result);

    @Test
    @DisplayName("Test with maximum and minimum values")
    void testWithBoundaryValues() {
        // Test with minimum values
        trans2SetFileInfo = new Trans2SetFileInformation(config, 0, 0, 0L, 0L, 0L);
        assertNotNull(trans2SetFileInfo);

        // Test with maximum values
        trans2SetFileInfo = new Trans2SetFileInformation(config, 0xFFFF, Integer.MAX_VALUE, Long.MAX_VALUE, Long.MAX_VALUE, Long.MAX_VALUE);

    byteCount: Long,
  ) {
    var byteCount = byteCount
    while (byteCount > 0L) {
      val length = minOf(maxFrameSize.toLong(), byteCount)
      byteCount -= length
      frameHeader(
        streamId = streamId,
        length = length.toInt(),
        type = TYPE_CONTINUATION,
        flags = if (byteCount == 0L) FLAG_END_HEADERS else 0,
      )
      sink.write(hpackBuffer, length)
    }
  }

        when(messageBlock.getMid()).thenReturn(minMid);

        messageBlock.setMid(minMid);
        assertEquals(minMid, messageBlock.getMid());

        // Test with zero
        long zeroMid = 0L;
        doNothing().when(messageBlock).setMid(zeroMid);
        when(messageBlock.getMid()).thenReturn(zeroMid);

        messageBlock.setMid(zeroMid);
        assertEquals(zeroMid, messageBlock.getMid());
    }

    override val isReady: Boolean
      get() = connectState == ConnectState.TLS_CONNECTED

    var tcpConnectDelayNanos = 0L
    var tcpConnectThrowable: Throwable? = null
    var yieldBeforeTcpConnectReturns = false
    var connectTcpNextPlan: FakePlan? = null
    var tlsConnectDelayNanos = 0L
    var tlsConnectThrowable: Throwable? = null
    var connectTlsNextPlan: FakePlan? = null

    fun createRetry(): FakePlan {

            assertEquals(chunkCount, SMBUtil.readInt4(buffer, SOURCE_KEY_SIZE));

            // Verify some chunks
            int offset = HEADER_SIZE;
            assertEquals(0L, SMBUtil.readInt8(buffer, offset));
            assertEquals(0L, SMBUtil.readInt8(buffer, offset + 8));
            assertEquals(0, SMBUtil.readInt4(buffer, offset + 16));

            offset = HEADER_SIZE + ((chunkCount - 1) * CHUNK_SIZE);

    void testToHexStringLong() {
        // Test zero
        assertEquals("0000000000000000", Hexdump.toHexString(0L, 16));
        assertEquals("00000000", Hexdump.toHexString(0L, 8));
        assertEquals("0000", Hexdump.toHexString(0L, 4));

        // Test positive values
        assertEquals("00000000000000FF", Hexdump.toHexString(255L, 16));

    }

    public void test_constructor_withIdZero() {
        // Test when id is 0 (create mode)
        String[] inputs = { "x", "y" };
        CharMappingItem item = new CharMappingItem(0L, inputs, "result");

        assertEquals(0L, item.getId());
        assertNotNull(item.getNewInputs());
        assertEquals("result", item.getNewOutput());
        // NewInputs should be same as inputs for id=0