assertEquals(0, response.readParametersWireFormat(largeBuffer, 0, 65536));
        assertEquals(0, response.readDataWireFormat(largeBuffer, 0, 65536));
    }

    @Test
    @DisplayName("Test boundary conditions for read methods with zero length")
    void testReadMethodsWithZeroLength() {
        // Arrange
        byte[] buffer = new byte[100];

        // Act & Assert

        @Test
        @DisplayName("Should return correct size")
        void testSize() {
            int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 4;
            // size8 rounds up to 8-byte boundary
            int expectedAlignedSize = (expectedSize + 7) & ~7;

            assertEquals(expectedAlignedSize, echoRequest.size());
        }

        @Test

            assertEquals(0, smbComTreeDisconnect.readBytesWireFormat(buffer, i));
        }
    }

    /**
     * Test boundary conditions for buffer indices
     */
    @Test
    @DisplayName("Test boundary conditions for buffer indices")
    public void testBoundaryConditions() {
        // Given
        smbComTreeDisconnect = new SmbComTreeDisconnect(config);

            assertEquals(expectedSize, req.size());
        }

        @Test
        @DisplayName("Should align size to 8-byte boundary")
        void testSizeAlignment() {
            int size = request.size();
            assertEquals(0, size % 8, "Size should be aligned to 8-byte boundary");
        }

        @ParameterizedTest
        @DisplayName("Should calculate size for various lock counts")

        assertEquals(0x78, buffer[3] & 0xFF);
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 255, 256, 65535, 65536, Integer.MAX_VALUE })
    @DisplayName("Should handle boundary values")
    void testBoundaryValues(int value) {
        // Given
        byte[] buffer = new byte[4];

        // When
        Encdec.enc_uint32le(value, buffer, 0);

        dstIndex += 4;

        // Write context name
        System.arraycopy(CONTEXT_NAME_BYTES, 0, dst, dstIndex, 4);
        dstIndex += 4;

        // Padding to align data to 8-byte boundary
        dstIndex += 4;

        // Write file ID (16 bytes)
        System.arraycopy(fileId, 0, dst, dstIndex, 16);
        dstIndex += 16;

        return dstIndex - start;
    }

                assertTrue(success[i], "Thread " + i + " failed");
            }
        }

        @Test
        @DisplayName("Should handle boundary values for structure size")
        void testBoundaryValuesForStructureSize() {
            // Test boundary values around 4
            int[] boundaryValues = { 3, 4, 5 };

            for (int value : boundaryValues) {
                byte[] buffer = new byte[10];

        when(mockFile.openUnshared(anyInt(), anyInt(), anyInt(), anyInt(), anyInt())).thenReturn(mockFileHandle);

        // Mock responses for successful writes to test boundary conditions
        when(mockTreeHandle.send(any(Smb2WriteRequest.class), any())).thenReturn(mockWriteResponse);
        when(mockWriteResponse.getCount()).thenReturn(10, 5); // Return proper byte counts

    }

    @Test
    @DisplayName("size should return correct message size")
    void testSize() {
        int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 24;
        // size8 method rounds up to 8-byte boundary
        int expectedAlignedSize = (expectedSize + 7) & ~7;

        assertEquals(expectedAlignedSize, request.size());
    }

    @Test
    @DisplayName("writeBytesWireFormat should write correct structure")

        Assertions.assertEquals(1_650_000_000_000L, info.getLastAccessTime(), "last access should match");
        Assertions.assertEquals(42L, info.getSize(), "size should match");
    }

    // --- Parameterized: edge and boundary values across getters ---
    @ParameterizedTest(name = "attributes={0}, c={1}, w={2}, a={3}, size={4}")
    @MethodSource("valueProvider")