// Test buffer release
    manager.releaseSendRegion(region);
    
    // Test reuse
    RdmaMemoryRegion region2 = manager.getSendRegion(1024);
    assertNotNull(region2);
    
    manager.cleanup();
}
```

### 7.2 Integration Tests
```java
@Test
@EnabledIfSystemProperty(named = "rdma.test.enabled", matches = "true")

import static org.junit.jupiter.api.Assertions.assertTrue;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

/**
 * Test class for RuntimeCIFSException functionality
 */
@DisplayName("RuntimeCIFSException Tests")
class RuntimeCIFSExceptionTest extends BaseTest {

    @Test
    @DisplayName("Should create RuntimeCIFSException with default constructor")
    void testDefaultConstructor() {
        // When

    private InputStream mockInputStream;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        packet = new TestSessionServicePacket();
    }

    // Tests for static methods

    @Test
    @DisplayName("writeInt2 should correctly write 16-bit integer")
    void testWriteInt2() {
        byte[] dst = new byte[4];
        SessionServicePacket.writeInt2(0x1234, dst, 0);

import org.junit.jupiter.api.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

class MsrpcSamrOpenAliasTest {

    @Mock
    private SamrDomainHandle mockDomainHandle;
    @Mock
    private SamrAliasHandle mockAliasHandle;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
    }

    @Test

        assertEquals("test-channel", state.getChannelId());
        assertEquals(0, state.getRetryCount());
        assertTrue(state.shouldRetry());
        assertTrue(state.getFailureTime() > 0);
        assertTrue(state.getNextRetryTime() > state.getFailureTime());
    }

    @Test
    void testFailoverStateRetryLogic() {

        assertEquals("test\\?query", escaped2);

        // Test escaping both
        String query3 = "test*query?end";
        String escaped3 = SuggestUtil.escapeWildcardQuery(query3);
        assertEquals("test\\*query\\?end", escaped3);

        // Test with no wildcards
        String query4 = "test query";
        String escaped4 = SuggestUtil.escapeWildcardQuery(query4);
        assertEquals("test query", escaped4);

        }
    }

    // Utility to build a minimal locator for connect tests
    private static SmbResourceLocatorImpl newLocator(CIFSContext ctx) {
        return new SmbResourceLocatorImpl(ctx, smbUrl("smb://server/share"));
    }

    @Test
    @DisplayName("Constructor with CIFSContext: creates instance")
    void constructor_withContext_createsInstance() {
        // Arrange

    }

    /**
     * Test method for {@link jcifs.pac.PacGroup#getId()}.
     */
    @Test
    void testGetId() {
        // Test the getId method
        assertEquals(mockSid, pacGroup.getId(), "getId() should return the correct SID.");
    }

    /**
     * Test method for {@link jcifs.pac.PacGroup#getAttributes()}.
     */
    @Test
    void testGetAttributes() {

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;

import jcifs.BaseTest;

/**
 * Test class for jcifs.smb1.util.Hexdump utility functionality
 */
@DisplayName("SMB1 Hexdump Utility Tests")
class HexdumpTest extends BaseTest {

    @Test

    void setupTest() throws Exception {
        // No specific setup needed - tests will create their own files
        log.debug("Test setup completed");
    }

    @AfterEach
    void cleanupTest() throws Exception {
        // Simple cleanup between tests
        try {
            System.gc();
            Thread.sleep(100);
            log.debug("Test cleanup completed");
        } catch (Exception e) {