ArtifactVersion version2 = node2.getArtifact().getSelectedVersion();

            return version1.compareTo(version2) > 0 ? node1 : node2;
        } catch (OverConstrainedVersionException exception) {
            // TODO log message or throw exception?

            return null;
        }
    }

import org.dbflute.utflute.core.PlainTestCase;

public class HandlerTest extends PlainTestCase {
    @Override
    protected void setUp() throws Exception {
        super.setUp();
        new StandardCrawlerContainer();
    }

    public void test_protocol() throws Exception {
        URL url = new URL("storage:/home/foo");
        assertEquals("storage", url.getProtocol());
    }

        } catch (org.codelibs.core.exception.ResourceNotFoundRuntimeException e) {
            // Expected behavior - method throws exception for non-existent files
            assertTrue(e.getMessage().contains("nonexistent.conf"));
        }

        // Test with multiple names - should also throw exception for non-existent files
        try {

        // When & Then - should handle null gracefully (implementation dependent)
        assertDoesNotThrow(() -> request.setFileId(null), "Should handle null file ID without throwing exception");
    }

    @Test
    @DisplayName("Should handle empty file ID")
    void testSetEmptyFileId() {
        // Given
        RequestWithFileId request = new Smb2CloseRequest(mockConfig, testFileId);

        NullPointerException exception = assertThrows(NullPointerException.class, () -> {
            smbComTreeDisconnect = new SmbComTreeDisconnect(null);
        });

        // Verify the exception message indicates the config is null
        assertTrue(exception.getMessage().contains("config"));
    }

    /**
     * Test constructor with mock configuration

import org.apache.logging.log4j.Logger;
import org.codelibs.core.io.CloseableUtil;
import org.codelibs.core.io.ResourceUtil;
import org.codelibs.fess.crawler.container.StandardCrawlerContainer;
import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * @author shinsuke
 *
 */
public class XmlExtractorTest extends PlainTestCase {

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.exception;

import static org.codelibs.core.collection.ArrayUtil.asArray;

/**
 * Exception thrown when an argument is null.
 *
 * Intended to be used instead of throwing {@link NullPointerException}.
 *
 * @author wyukawa
 */

 *
 */
@Deprecated
public class RepositoryMetadataResolutionException extends Exception {
    public RepositoryMetadataResolutionException(String message) {
        super(message);
    }

    public RepositoryMetadataResolutionException(String message, Exception e) {
        super(message, e);
    }

                messages.addErrorsCrudFailedToCreateInstance(GLOBAL);
            });
            return null;
        });
        try {
            roleService.store(entity);
        } catch (final Exception e) {
            logger.warn("Failed to process a request.", e);
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
        }

        assertNotNull(result);
        assertTrue(result.length > 0, "HMAC-T64 should produce non-empty result");
    }

    @Test
    @DisplayName("Should perform RC4 encryption/decryption")
    void testRC4() throws Exception {
        // Given
        byte[] key = "testkey123456789".getBytes(); // 16 bytes
        byte[] plaintext = "This is a test message for RC4".getBytes();

        // When