Arguments.of(new byte[] { (byte) 0x41, (byte) 0x42 }, "QUI="), // "AB"
                Arguments.of("Man".getBytes(), "TWFu"), // 3 bytes, no padding
                Arguments.of(new byte[] { (byte) 0x00, (byte) 0x00, (byte) 0x00 }, "AAAA"), // all zeros
                Arguments.of(new byte[] { (byte) 0xff, (byte) 0xff, (byte) 0xff }, "////")) // all 0xFF bytes
        ;
    }

    @ParameterizedTest(name = "encode({1}) -> {2}")

        assertEquals(0x04030201, avFlags.getFlags(), "Flags should match the raw bytes (little-endian)");

        // Test with zero
        byte[] zeroBytes = new byte[] { 0x00, 0x00, 0x00, 0x00 };
        AvFlags zeroAvFlags = new AvFlags(zeroBytes);
        assertNotNull(zeroAvFlags, "AvFlags object should not be null for zero bytes");

                // negative fid wraps around, lastWriteTime = 1000 -> 1 second -> int value 1
                Arguments.of(-1, 1000L, new byte[] { (byte) 0xFF, (byte) 0xFF, 0x01, 0x00, 0x00, 0x00 }));
    }

    /**
     * When lastWriteTime is zero the encoded unsigned time must be all 1s.
     */
    @Test
    @DisplayName("edge: writeParameterWordsWireFormat with lastWriteTime=0")

            // Test with various wildcard patterns and attribute masks
            String[] wildcards = { "*.txt", "test*", null };
            int[] attributes = { 0x10, 0x20, 0x07 };

            for (int i = 0; i < wildcards.length; i++) {
                DosFileFilter dos = new DosFileFilter(wildcards[i], attributes[i]);

        // Assert
        assertEquals(4, bytesWritten);
        assertEquals(SmbComTransaction.TRANS_WAIT_NAMED_PIPE, dst[0]);
        assertEquals((byte) 0x00, dst[1]);
        assertEquals((byte) 0x00, dst[2]); // no FID
        assertEquals((byte) 0x00, dst[3]);
    }

    @Test
    @DisplayName("writeSetupWireFormat with offset should write at correct position")
    void testWriteSetupWireFormatWithOffset() {

     * implementation.
     */

    /**
     * SMB command to create a directory.
     */
    public static final byte SMB_COM_CREATE_DIRECTORY = (byte) 0x00;

    /**
     * SMB command to delete a directory.
     */
    public static final byte SMB_COM_DELETE_DIRECTORY = (byte) 0x01;

    /**
     * SMB command to close a file handle.
     */

        assertEquals((byte) 0xEF, dst[6]);
        assertEquals((byte) 0xCD, dst[7]);
        assertEquals((byte) 0xAB, dst[8]);
        assertEquals((byte) 0x89, dst[9]);

        // flags (2 bytes, LE) -> 0x0000
        assertEquals((byte) 0x00, dst[10]);
        assertEquals((byte) 0x00, dst[11]);

        // filename bytes, then null terminator
        byte[] nameBytes = name.getBytes();

        writeInt2(informationLevel, dst, dstIndex);
        dstIndex += 2;
        dst[dstIndex] = (byte) 0x00;
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        dst[dstIndex++] = (byte) 0x00;
        dst[dstIndex++] = (byte) 0x00;
        dstIndex += writeString(path, dst, dstIndex);

        return dstIndex - start;
    }

    @Override

        assertEquals(2, trans.maxParameterCount, "The maxParameterCount should be 2.");
        assertEquals(40, trans.maxDataCount, "The maxDataCount should be 40.");
        assertEquals((byte) 0x00, trans.maxSetupCount, "The maxSetupCount should be 0.");
    }

    /**
     * Tests the writeSetupWireFormat method.
     */
    @Test
    void testWriteSetupWireFormat() {
        // Given

        assertEquals(0x0101, actualInfoLevel); // FILE_BASIC_INFO maps to 0x0101

        // Check reserved bytes (4 bytes of 0x00)
        assertEquals(0x00, buffer[2]);
        assertEquals(0x00, buffer[3]);
        assertEquals(0x00, buffer[4]);
        assertEquals(0x00, buffer[5]);

        // Check that filename is written correctly (starting at offset 6)