assertEquals(1024, buffer2.length, "Buffer should have expected size");
        assertNotSame(buffer1, buffer2, "Different calls should return different buffers initially");
    }

    @Test
    @DisplayName("releaseBuffer and getBuffer should implement buffer reuse")
    void testBufferReuse() {
        // Given
        byte[] originalBuffer = testCache.getBuffer();

        assertTrue(registration.getLastHeartbeat() > initialTime);
    }

    @Test
    void testExpiration() throws InterruptedException {
        // Registration should not be expired initially with long timeout
        assertFalse(registration.isExpired(60000));

        // Wait a bit to ensure some time has passed
        Thread.sleep(50);

    void setUp() {
        response = new TestableSmbComNtTransactionResponse();
    }

    @Test
    void testReadParameterWordsWireFormat_bufDataStartIsZero() {
        // Test case when bufDataStart is initially 0.
        byte[] buffer = new byte[37]; // 3 reserved + 8*4 bytes for int4 values + 2 bytes for setupCount
        int bufferIndex = 0;

        // Reserved bytes
        buffer[bufferIndex++] = 0x00;

    }

    @Test
    void testGetInstanceInitializesIfNull() {
        // Test getInstance initializes the context if it's null
        assertNull(getSingletonInstanceViaReflection()); // Ensure it's null initially
        CIFSContext context = SingletonContext.getInstance();
        assertNotNull(context);
        assertNotNull(getSingletonInstanceViaReflection()); // Should be initialized now
    }

    @Test

        assertEquals("my.bucket.name", getField(gcsConn, "bucketName"));
        assertEquals("object.txt", getField(gcsConn, "objectName"));
    }

    /**
     * Test that GCS Storage client is initially null before connection.
     */
    public void test_connectionState_initiallyNotConnected() throws Exception {
        URL url = new URL("gcs://mybucket/object.txt");
        Handler handler = new Handler();

    }

    @Test
    @DisplayName("Should initially have zero data length")
    void testInitialDataLength() {
        // Then
        assertEquals(0, response.getDataLength());
    }

    @Test
    @DisplayName("Should initially have zero data remaining")
    void testInitialDataRemaining() {
        // Then

        // Test we can read the initial file that was created
        SmbFile initialFile = new SmbFile(baseUrl + "shared/initial.txt", context);
        assertTrue(initialFile.exists(), "Initial file should exist");
        assertTrue(initialFile.isFile(), "Initial file should be a file");
        assertTrue(initialFile.canRead(), "Should be able to read initial file");

        negotiatedField.setAccessible(true);
        negotiatedField.set(initial, negotiationResponse);

        // When: Request connection with signing enforced
        SmbTransportImpl withSigning = pool.getSmbTransport(ctx, address, 445, false, true);

        // Then: Should create new connection
        assertNotSame(initial, withSigning, "Should create new connection with different signing");
    }

    @Test

        // Given
        Smb2EncryptionContext context = new Smb2EncryptionContext(1, DialectVersion.SMB311, testEncryptionKey, testDecryptionKey);

        // When - initially should not need rotation
        assertFalse(context.needsKeyRotation(), "Should not need rotation initially");

        // Note: We can't directly test the byte limit without encrypting large amounts of data,

        assertNotNull(response);
        assertNull(response.getResults()); // Should be null before decoding
    }

    @Test
    @DisplayName("Test getResults returns null initially")
    void testGetResultsInitiallyNull() {
        response = new Smb2QueryDirectoryResponse(mockConfig, (byte) 0x03);

        assertNull(response.getResults());
    }

    @Test