}

    @Test
    @DisplayName("Should generate multiple unique nonces without collision")
    void testGenerateMultipleNoncesNoCollision() {
        // Given
        int count = 10000; // Test with larger number for collision detection
        Set<String> nonceSet = new HashSet<>();

        // When
        for (int i = 0; i < count; i++) {
            byte[] nonce = encryptionContext.generateNonce();

            assertEquals(-1, stream.read()); // EOF immediately
        }
    }

    public void test_largeFile() throws Exception {
        // Create a temporary file with larger data
        File tempFile = File.createTempFile("test-large-", ".tmp");
        byte[] data = new byte[1024];
        for (int i = 0; i < data.length; i++) {
            data[i] = (byte) (i % 256);
        }

        byte[] encrypted = storage.encryptCredentials(plaintext);
        assertNotNull(encrypted, "Encrypted long password should not be null");
        assertTrue(encrypted.length > plaintext.length, "Encrypted data should be larger due to IV and auth tag");

        char[] decrypted = storage.decryptCredentials(encrypted);
        assertArrayEquals(plaintext, decrypted, "Decrypted long password should match original");

        // Clean up

    @ValueSource(ints = { 1, 10, 100, 500, 1024 })
    void testReadDataWireFormatWithVariousSizes(int dataSize) throws SMBProtocolDecodingException {
        if (dataSize > outputBuffer.length) {
            return; // Skip sizes larger than buffer
        }

        byte[] sourceData = new byte[dataSize];
        for (int i = 0; i < dataSize; i++) {
            sourceData[i] = (byte) (i % 256);
        }

    public void testUnicodeStringHandling() {
        ByteBuffer bb = ByteBuffer.wrap(testBuffer).order(ByteOrder.LITTLE_ENDIAN);

        bb.putShort((short) 3); // version
        bb.putShort((short) 100); // size (larger to accommodate unicode strings)
        bb.putShort((short) 1); // serverType
        bb.putShort((short) 0); // rflags
        bb.putShort((short) 5); // proximity
        bb.putShort((short) 300); // ttl

        // Negotiate context offset (0 for non-3.1.1)
        SMBUtil.writeInt4(0, buffer, 60);

        return buffer;
    }

    /**
     * Creates a larger buffer suitable for testing negotiate contexts.
     */
    private byte[] createLargeBufferForContexts() {
        byte[] buffer = new byte[1024]; // Large enough for contexts

        // Copy basic structure

        Smb2ReadResponse smallBufferResponse = new Smb2ReadResponse(mockConfig, smallOutputBuffer, 0);

        byte[] buffer = new byte[256];
        int bodyStart = 0;
        int dataLength = 20; // Larger than output buffer
        int dataOffsetFromHeader = 80;

        // Write valid structure
        SMBUtil.writeInt2(17, buffer, bodyStart);
        buffer[bodyStart + 2] = (byte) dataOffsetFromHeader;

        byte[] remaining = new byte[2];
        assertEquals(2, sis.read(remaining, 0, 2));
        assertArrayEquals(new byte[] { 40, 50 }, remaining);
    }

    @Test
    @DisplayName("Skip handles amount larger than available")
    void skipHandlesLargerThanAvailable() throws IOException {
        // Create message with 3 bytes of data
        byte[] data = new byte[] { 1, 2, 3 };

    }

    /*
     * For this packet deconstruction technique to work for
     * other networking protocols the InputStream may need
     * to be passed to the readXxxWireFormat methods. This is
     * actually purer. However, in the case of smb we know the
     * wordCount and byteCount. And since every subclass of
     * ServerMessageBlock would have to perform the same read
     * operation on the input stream, we might as will pull that

    }

    @Test
    @DisplayName("Should handle large session key")
    void testDeriveKeys_LargeSessionKey() {
        // Given
        byte[] largeSessionKey = new byte[256]; // Larger than typical 16-byte key
        new SecureRandom().nextBytes(largeSessionKey);
        int dialect = Smb2Constants.SMB2_DIALECT_0311;

        // When