import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

/**
 * JUnit 5 tests for {@link TestLocking}.
 * Tests command line argument parsing and basic field initialization.
 * Does not require a real SMB server - focuses on application logic.

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;

/**
 * Test class for Smb3KeyDerivation.
 * Tests the SMB3 SP800-108 Counter Mode Key Derivation implementation.
 */
@DisplayName("Smb3KeyDerivation Tests")
class Smb3KeyDerivationTest {

    private byte[] sessionKey;

import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * Test class for Smb2ChangeNotifyRequest functionality
 */
@DisplayName("Smb2ChangeNotifyRequest Tests")
@ExtendWith(MockitoExtension.class)
class Smb2ChangeNotifyRequestTest {

    private Configuration mockConfig;
    private CIFSContext mockContext;

			<version>2.2</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.mockito</groupId>
			<artifactId>mockito-core</artifactId>
			<version>5.11.0</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.testcontainers</groupId>
			<artifactId>testcontainers</artifactId>
			<version>1.21.3</version>
			<scope>test</scope>
		</dependency>
		<dependency>

            fileId[i] = (byte) (i + 1);
        }

        testHandle = new HandleInfo("/test/file.txt", guid, fileId, HandleType.DURABLE_V2, 120000, null);
    }

    @Test
    public void testReconnectHandleSuccess() throws Exception {
        when(mockManager.getHandleForReconnect("/test/file.txt")).thenReturn(testHandle);

        // Create a test reconnector that succeeds

        // Use lenient stubbing to avoid UnnecessaryStubbing errors for tests that don't need all mocks
        lenient().when(mockCifsContext.getConfig()).thenReturn(mockConfig);
        lenient().when(mockConfig.getDefaultDomain()).thenReturn("DOMAIN");
        lenient().when(mockConfig.isUseUnicode()).thenReturn(true);

        // Mock NameServiceClient for Type1Message test

        public int size() {
            return 0;
        }
    }

    @Nested
    @DisplayName("Interface Tests")
    class InterfaceTests {

        @Test
        @DisplayName("Should implement getContextType correctly")
        void testGetContextType() {
            // Test with different context types
            TestNegotiateContextRequest request1 = new TestNegotiateContextRequest(0x1);

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

import jcifs.BaseTest;
import jcifs.Configuration;
import jcifs.DialectVersion;
import jcifs.ResolverType;

/**
 * Comprehensive test suite for DelegatingConfiguration class.
 * Tests the delegation pattern and ensures all methods properly delegate.
 */
@DisplayName("DelegatingConfiguration Tests")
class DelegatingConfigurationTest extends BaseTest {

```

## Testing Strategy

### Unit Tests
- Individual component testing for each feature
- Mock-based testing for protocol interactions
- State machine validation

### Integration Tests
- Feature interaction testing
- Network failure simulation
- Performance benchmarking
- Compatibility testing with Windows Server 2016/2019/2022

### Test Infrastructure Requirements

import java.lang.reflect.Field;

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

import jcifs.dcerpc.DcerpcConstants;
import jcifs.dcerpc.DcerpcMessage;

@DisplayName("MsrpcSamrConnect2 Tests")
public class MsrpcSamrConnect2Test {

    private SamrPolicyHandle mockPolicyHandle;
    private String testServer;
    private int testAccess;