* License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *

        // Verify hidden attribute is set
        assertTrue((file.getAttributes() & SmbConstants.ATTR_HIDDEN) != 0, "File should be hidden");

        // File should still be accessible
        assertTrue(file.exists(), "Hidden file should still exist");
        assertTrue(file.canRead(), "Hidden file should be readable");
    }

    @Test
    void testReadOnlyFileOperations() throws Exception {

     * the full DOMAIN\name form of the account will be
     * returned (e.g. MYDOM\alice or MYDOM\Domain Users).
     * If the SID has been resolved but it is is a domain SID,
     * only the domain name will be returned (e.g. MYDOM).
     * If the SID has been resolved but it is a builtin account,
     * only the name component will be returned (e.g. SYSTEM).

    /**
     * This method will delete the file or directory specified by this
     * <code>SmbResource</code>. If the target is a directory, the contents of
     * the directory will be deleted as well. If a file within the directory or
     * it's sub-directories is marked read-only, the read-only status will
     * be removed and the file will be deleted.
     *

            int offset = 10;
            byte[] buffer = new byte[64];
            byte[] fileId = createTestData(16);
            byte oplockLevel = 0x02;

            // Fill some random data before offset
            Arrays.fill(buffer, 0, offset, (byte) 0xAB);

            // Write valid data at offset
            SMBUtil.writeInt2(24, buffer, offset);
            buffer[offset + 2] = oplockLevel;

        @Test
        @DisplayName("Should not modify destination buffer")
        void testWriteBytesWireFormatDoesNotModifyBuffer() {
            // Given
            byte[] dst = new byte[100];
            Arrays.fill(dst, (byte) 0xFF);
            byte[] originalDst = dst.clone();

            // When
            response.writeBytesWireFormat(dst, 0);

            // Then
            assertArrayEquals(originalDst, dst);

        when(mockInputStream.read(any(byte[].class), anyInt(), anyInt())).thenReturn(-1); // Immediate EOF

        byte[] buffer = new byte[10];

        // The readn method will return 0 when stream returns -1
        // So this should still throw IOException, not return -1
        IOException exception = assertThrows(IOException.class, () -> {
            SessionServicePacket.readPacketType(mockInputStream, buffer, 0);
        });

        // Assemble full body: base (fixed-size fields only), but actual context bytes sit elsewhere in the full packet
        // Return just the base; caller is responsible for placing ctx at the correct absolute offset.
        // We will return a composite buffer from the test when building the full packet.
        // To keep this helper simple, return base and let the caller append/pad and inject ctx.
        return base;
    }

    /**

        @DisplayName("Should update file ID multiple times")
        void testMultipleFileIdUpdates() {
            byte[] firstFileId = new byte[16];
            Arrays.fill(firstFileId, (byte) 0xAA);
            byte[] secondFileId = new byte[16];
            Arrays.fill(secondFileId, (byte) 0xBB);

            request.setFileId(firstFileId);
            request.setFileId(secondFileId);

     * Domain groups nested inside a local group are currently not expanded. In
     * this case the key (SID) type will be SID_TYPE_DOM_GRP rather than
     * SID_TYPE_USER.
     *
     * @param tc
     *            The context to use
     * @param authorityServerName
     *            The server from which the local groups will be queried.
     * @param flags
     *            Flags that control the behavior of the operation. When all