assertEquals("c", it.next().getName());
        assertFalse(it.hasNext());

        // Verify interactions
        verify(tree, times(1)).send(isA(Trans2FindFirst2.class), any(Trans2FindFirst2Response.class));
        // Verify that Trans2FindNext2 was sent twice for fetching more entries
        verify(tree, times(2)).send(isA(Trans2FindNext2.class), any(Trans2FindFirst2Response.class));

            // Verify input buffer offset (should be 0 when no input buffer)
            assertEquals(0, SMBUtil.readInt2(buffer, 72));

            // Verify input buffer length (should be 0 when no input buffer)
            assertEquals(0, SMBUtil.readInt4(buffer, 76));

            // Verify additional information
            assertEquals(0x12345678, SMBUtil.readInt4(buffer, 80));

            // Verify query flags

        // Verify that the wrap method was called exactly once
        verify(dcerpcSecurityProvider, times(1)).wrap(mockNdrBuffer);
    }

    @Test
    void testUnwrapMethodIsCalled() throws DcerpcException {
        // Test that the unwrap method can be called without throwing an exception
        dcerpcSecurityProvider.unwrap(mockNdrBuffer);

    out.write(b);

    verify(hashFunction).newHasher();
    verify(hasher).putByte((byte) b);
    verifyNoMoreInteractions(hashFunction, hasher);
  }

  public void testWrite_putByteArray() throws Exception {
    byte[] buf = new byte[] {'y', 'a', 'm', 's'};
    HashingOutputStream out = new HashingOutputStream(hashFunction, buffer);
    out.write(buf);

    verify(hashFunction).newHasher();

    void testGetRequestRaw() {
        // Verify getRequestRaw returns the exact same array instance
        byte[] requestBuffer = negotiation.getRequestRaw();
        assertSame(testRequestBuffer, requestBuffer);

        // Verify multiple calls return the same instance
        assertSame(requestBuffer, negotiation.getRequestRaw());

        // Verify content is correct

        when(fileHandle.getTree()).thenReturn(tree);

        // When handle is valid, expect close()
        target.ensureOpen();
        target.close();
        verify(fileHandle, times(1)).close();
        verify(fileHandle, never()).release();
        verify(tree, atLeastOnce()).release();

        // Re-prepare state for second branch: not open but handle set
        when(fileHandle.isValid()).thenReturn(false);

        // Then - verify the body was written correctly
        byte[] pathBytes = TEST_PATH.getBytes(StandardCharsets.UTF_16LE);

        // Verify structure size (9)
        assertEquals(9, SMBUtil.readInt2(buffer, bodyOffset));

        // Verify tree flags (0)
        assertEquals(0, SMBUtil.readInt2(buffer, bodyOffset + 2));

        // Verify path offset (points to after the 8-byte structure)

        request.setOutputData(mockOutputData);

        int size = request.size();

        // Base size 120 + 100 + 50 = 270, aligned to 8 = 272
        assertEquals(272, size);
        verify(mockInputData).size();
        verify(mockOutputData).size();
    }

    @Test
    @DisplayName("Test writeBytesWireFormat without data")
    void testWriteBytesWireFormatWithoutData() {
        setupMockConfig();

        int bytesWritten = netServerEnum2.writeParametersWireFormat(dst, dstIndex);

        // Verify bytes written
        assertTrue(bytesWritten > 0);

        // Verify subcommand
        assertEquals(SmbComTransaction.NET_SERVER_ENUM2, dst[0]);
        assertEquals(0, dst[1]);

        // Verify descriptor (WrLehDO\0B16BBDz\0 in ASCII)
        String expectedDescr = "WrLehDO\u0000B16BBDz\u0000";

        assertNotNull(out);
        assertTrue(out.length > 0);

        // Verify interactions: flags and an empty optimistic token are used
        verify(this.mechContext, times(1)).getFlags();
        ArgumentCaptor<byte[]> cap = ArgumentCaptor.forClass(byte[].class);
        verify(this.mechContext, times(1)).initSecContext(cap.capture(), eq(0), eq(0));