int length = testBlock.readAndXWireFormat(buffer, 0);

        assertTrue(length > 0);
        verify(mockAndxCommand).setCommand((byte) 0x42);
        verify(mockAndxCommand).setUseUnicode(anyBoolean());
        // For non-AndX commands, the implementation calls received() instead of read methods
        verify(mockAndxCommand).received();
    }

    @Test
    @DisplayName("Test readAndXWireFormat with error code")

 *   <li>string representation containing the class name</li>
 *   <li>null buffer handling</li>
 * </ul>
 */
final class TransWaitNamedPipeResponseTest {

    /**
     * Verify that the default constructor creates an instance.
     */
    @Test
    void constructorInitialisesInstance() {
        // Arrange & Act
        TransWaitNamedPipeResponse resp = new TransWaitNamedPipeResponse();

            int dataLength = 200;
            contextResponse.decode(dataBuffer, dataOffset, dataLength);

            // Verify
            assertArrayEquals(nameBytes, contextResponse.getName());
            assertEquals(dataLength, contextResponse.getData().length);

            // Verify data content
            for (int i = 0; i < dataLength; i++) {

        when(mockPrincipal.getName()).thenReturn(expectedUserName);

        // Act: Call the method under test
        String actualUserName = ntlmRequest.getRemoteUser();

        // Assert: Verify that the returned user name is the expected one
        assertEquals(expectedUserName, actualUserName, "getRemoteUser should return the principal's name.");
    }

    /**

        assertNull(emptyIterator.next(), "This implementation returns null instead of throwing");

        // Verify remove can be called (even though no-op)
        assertDoesNotThrow(() -> emptyIterator.remove(), "remove() should be safe to call");

        // Verify still empty after operations
        assertFalse(emptyIterator.hasNext(), "Should remain empty after operations");
    }

        // Act: invoke renew()
        CredentialsInternal result = renewable.renew();

        // Assert: verify interaction and returned value
        verify(renewable, times(1)).renew();
        assertSame(returned, result, "renew() should return the stubbed value");

        // Negative interaction check: no further interactions with the mock
        verifyNoMoreInteractions(renewable);
    }

        scriptEngineFactory.add("testEngine", engine);

        // Verify engine is accessible by name
        ScriptEngine retrieved = scriptEngineFactory.getScriptEngine("testengine");
        assertNotNull(retrieved);
        assertEquals(engine, retrieved);

        // Verify engine is accessible by class simple name

            int bytesWritten = req.writeBytesWireFormat(buffer, 0);

            // Verify structure
            assertEquals(48, SMBUtil.readInt2(buffer, 0)); // Structure size
            assertEquals(1, SMBUtil.readInt2(buffer, 2)); // Lock count

            // Verify lock sequence (bits 4-7 are sequence number, bits 0-27 are index)
            int lockSequence = SMBUtil.readInt4(buffer, 4);

        // Verify lengths
        assertEquals(2, setupWritten);
        assertEquals(2, paramWritten);
        assertEquals(0, dataWritten);

        // Verify setup content
        assertEquals(SmbComTransaction.TRANS2_QUERY_FS_INFORMATION, setupBuffer[0]);
        assertEquals(0x00, setupBuffer[1]);

        // Verify parameter content (FS_SIZE_INFO -> 0x0103)

    }

    @Test
    void messageAndCauseConstructor_setsMessageAndCause_withoutInteractingWithCause() {
        // Arrange - mock cause to verify no interactions are needed to construct
        Throwable cause = Mockito.mock(Throwable.class);
        String message = "forced downgrade detected";

        // Act