private ConcreteSmbComNtTransaction smbComNtTransaction;

    // A concrete implementation of the abstract class SmbComNtTransaction for testing.
    private static class ConcreteSmbComNtTransaction extends SmbComNtTransaction {
        @Override
        int writeSetupWireFormat(byte[] dst, int dstIndex) {
            // Dummy implementation for testing
            return 0;
        }

        @Override

     * Note: Current implementation throws NullPointerException for null strings.
     */
    @Test
    void testCheck_withNullStringAndZeroPointer() {
        // A zero pointer indicates a null string
        PacUnicodeString pacString = new PacUnicodeString((short) 0, (short) 0, 0);
        String testString = null;

        // Current implementation throws NullPointerException when string is null

import org.dbflute.utflute.core.PlainTestCase;

/**
 * Test class for AbstractRule.
 * Tests the abstract rule implementation and its common functionality.
 */
public class AbstractRuleTest extends PlainTestCase {

    /**
     * Concrete implementation of AbstractRule for testing
     */
    public static class TestAbstractRule extends AbstractRule {

    }

    @ParameterizedTest(name = "Implementation is instance: {0}")
    @MethodSource("implementations")
    @DisplayName("Happy path: can create implementations and use type checks")
    void testImplementationsAreUsable(SessionSetupHandler impl) {
        // Arrange is provided by method source

        // Act & Assert
        assertNotNull(impl, "Implementation instance should not be null");

import org.lastaflute.web.login.credential.LoginCredential;

import com.microsoft.aad.msal4j.IAccount;
import com.microsoft.aad.msal4j.IAuthenticationResult;

/**
 * Microsoft Entra ID credential implementation for Fess authentication.
 * Provides login credential functionality using Entra ID authentication results.
 */
public class EntraIdCredential implements LoginCredential, FessCredential {

        when(requestWithPath.getPath()).thenReturn(expectedPath);

        assertEquals(expectedPath, requestWithPath.getPath());
        verify(requestWithPath, times(1)).getPath();

        // Test with implementation
        testImplementation.setPath(expectedPath);
        assertEquals(expectedPath, testImplementation.getPath());
    }

    @Test
    @DisplayName("Test setPath updates path correctly")
    void testSetPath() {

import java.util.EnumSet;
import java.util.concurrent.atomic.AtomicInteger;

import jcifs.internal.smb2.rdma.RdmaAccess;
import jcifs.internal.smb2.rdma.RdmaMemoryRegion;

/**
 * TCP memory region implementation.
 *
 * For TCP fallback, memory regions are just wrappers around
 * ByteBuffers since no real RDMA registration is needed.
 */
public class TcpMemoryRegion extends RdmaMemoryRegion {

        }
    }

    @Nested
    @DisplayName("Implementation Tests")
    class ImplementationTests {

        @Test
        @DisplayName("Test concrete implementation of FileNotifyInformation")
        void testConcreteImplementation() {
            // Create a simple implementation for testing
            FileNotifyInformation impl = new FileNotifyInformation() {

import org.junit.jupiter.params.provider.ValueSource;

/**
 * Test class for CreateContextRequest interface
 */
@DisplayName("CreateContextRequest Tests")
class CreateContextRequestTest {

    /**
     * Test implementation of CreateContextRequest for testing purposes
     */
    static class TestCreateContextRequest implements CreateContextRequest {
        private byte[] name;
        private byte[] data;
        private int encodedSize;

import org.codelibs.core.lang.StringUtil;

/**
 * Utility class for handling Base64 encoding and decoding.
 * <p>
 * This class now uses the standard {@link java.util.Base64} implementation
 * instead of a custom implementation, providing better security and performance.
 * The API remains backward compatible with previous versions.
 * </p>
 *
 * @author higa
 */
public abstract class Base64Util {

    /**