testBlock.setDigest(mockDigest);
        byte[] buffer = new byte[1024];

        int length = testBlock.encode(buffer, 0);

        assertTrue(length > 0);
        verify(mockDigest).sign(eq(buffer), eq(0), eq(length), eq(testBlock), any());
    }

    @Test
    @DisplayName("Test decode basic message")

        if (args == null) {
            return paramTypes.length == 0;
        }
        if (paramTypes.length != args.length) {
            return false;
        }
        for (int i = 0; i < args.length; ++i) {
            if (args[i] == null) {
                continue;
            }

     *
     * @param data The data.
     * @param offset The starting offset at which the SMB header begins.
     * @param length The length of the SMB data starting at offset.
     */
    void sign(final byte[] data, final int offset, final int length, final ServerMessageBlock request, final ServerMessageBlock response) {
        request.signSeq = signSequence;
        if (response != null) {

        // Test with buffer and length larger than needed
        byte[] buffer = new byte[100];

        // Fill test pattern
        for (int i = 0; i < buffer.length; i++) {
            buffer[i] = (byte) (i % 256);
        }

        int bytesConsumed = response.decode(buffer, 0, 50);

        assertEquals(28, bytesConsumed, "Should consume exactly 28 bytes regardless of extra length");

        // Nonces should have proper size
        assertEquals(16, nonce1.length, "GCM nonce should be 16 bytes");
        assertEquals(16, nonce2.length, "GCM nonce should be 16 bytes");
        assertEquals(16, nonce3.length, "GCM nonce should be 16 bytes");

        // For GCM, last 4 bytes should contain incrementing counter

                // OID length claims more than available
                Arguments.of("oid length exceeds buffer", new byte[] { 0x04, 0x01, 0x00, 0x10, 0x06 }, IllegalArgumentException.class),

                // Missing NAME_LEN (not enough bytes for 4-byte length)
                Arguments.of("missing NAME_LEN bytes", new byte[] { 0x04, 0x01, 0x00, (byte) der.length, der[0] },

        // Test text that exceeds maximum length after encoding
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 500; i++) {
            sb.append("0123456789");
        }
        String longText = sb.toString();
        String id = SuggestUtil.createSuggestTextId(longText);
        assertNotNull(id);
        assertEquals(445, id.length()); // Should be truncated to ID_MAX_LENGTH
    }

        // better safe than sorry: prevent leaks if there is some out of bound access
        Arrays.fill(buf, (byte) 0);
        synchronized (this.cache) {
            if (this.freeBuffers < this.cache.length) {
                for (int i = 0; i < this.cache.length; i++) {
                    if (this.cache[i] == null) {
                        this.cache[i] = buf;
                        this.freeBuffers++;
                        return;

        return ("TransCallNamedPipeResponse[" + super.toString() + "]");
    }

    /**
     * Gets the length of the response data received from the named pipe.
     *
     * @return response data length
     */
    public int getResponseLength() {
        return getDataCount();
    }

            System.arraycopy(commentBytes, 0, buffer, commentOffset, commentBytes.length);
            buffer[commentOffset + commentBytes.length] = 0;
            commentOffset += commentBytes.length + 1;
        }

        // Read the data
        int bytesRead = response.readDataWireFormat(buffer, 0, buffer.length);

        // Verify results
        assertTrue(bytesRead > 0);