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();

        // When
        outputStream = new SmbFileOutputStream(mockFile);

        // Then
        assertNotNull(outputStream);

        // Verify the AutoCloseable resources were closed
        verify(autoCloseableMockTreeHandle).close();
        verify(autoCloseableMockFileHandle).close();
    }

    @Test
    void testConstructorWithAppendFlag() throws IOException, CIFSException {
        // Given

        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";

        // Execute
        final InvalidQueryException exception = new InvalidQueryException(messageCode, message, cause);

        // Verify
        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
        assertEquals(messageCode, exception.getMessageCode());
    }

        assertEquals(48, value.length);

        // Verify the size field (first 4 bytes)
        assertEquals(48, (value[0] & 0xFF) | ((value[1] & 0xFF) << 8) | ((value[2] & 0xFF) << 16) | ((value[3] & 0xFF) << 24));
        // Verify the zero field (next 4 bytes)
        assertEquals(0, (value[4] & 0xFF) | ((value[5] & 0xFF) << 8) | ((value[6] & 0xFF) << 16) | ((value[7] & 0xFF) << 24));

        // Verify customData part

        // Verify structure size
        assertEquals(33, buffer[Smb2Constants.SMB2_HEADER_LENGTH] | (buffer[Smb2Constants.SMB2_HEADER_LENGTH + 1] << 8));

        // Verify file information class
        assertEquals(Smb2QueryDirectoryRequest.FILE_ID_FULL_DIRECTORY_INFO, buffer[Smb2Constants.SMB2_HEADER_LENGTH + 2]);

        // Verify query flags

        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);

        int bytesWritten = info.encode(buffer, 0);

        // Verify replaceIfExists flag
        assertEquals(1, buffer[0]);

        // Verify file name length
        int nameLength = SMBUtil.readInt4(buffer, 16);
        assertEquals(fileName.getBytes(StandardCharsets.UTF_16LE).length, nameLength);

        // Verify file name
        byte[] nameBytes = new byte[nameLength];

        // Execute
        final SsoMessageException exception = new SsoMessageException(messageCode, message, cause);

        // Verify
        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
        assertEquals(messageCode, exception.getMessageCode());
    }

    class FilterFlagsTests {

        @Test
        @DisplayName("Verify FILE_NOTIFY_CHANGE_FILE_NAME constant value")
        void testFileNotifyChangeFileName() {
            assertEquals(0x00000001, FileNotifyInformation.FILE_NOTIFY_CHANGE_FILE_NAME);
        }

        @Test
        @DisplayName("Verify FILE_NOTIFY_CHANGE_DIR_NAME constant value")
        void testFileNotifyChangeDirName() {