assertEquals("XBC", result);
    }

    @Test
    public void test_emptyChain() throws Exception {
        NormalizerChain chain = new NormalizerChain();

        String result = chain.normalize("test", "field");

        assertEquals("test", result);
    }

    @Test
    public void test_normalizeWithLanguages() throws Exception {

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

/**
 * Test class for StringUtil utility methods
 */
class StringUtilTest {

    @Test
    @DisplayName("Should join single element without delimiter")

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

import org.junit.jupiter.api.Test;

/**
 * Unit tests for witness protocol enumerations.
 */
public class WitnessEnumTest {

    @Test
    void testWitnessServiceTypes() {
        assertEquals(4, WitnessServiceType.values().length);

        // Verify all expected types are present

        LocaleUtil.setDefault(null);
    }

    /**
     * @throws Exception
     */
    //    @Test
    //    public void testToDate_Null() throws Exception {
    //        assertThat(toDate(null, Locale.JAPAN), is(nullValue()));
    //    }

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_EmptyString() throws Exception {
        assertThat(toDate("", Locale.JAPAN), is(nullValue()));

        }

        @Test
        @DisplayName("getUserDomain: explicit realm overrides")
        void getUserDomain_fromExplicitRealm() {
            Kerb5Authenticator auth = new Kerb5Authenticator(new Subject());
            auth.setRealm("REALM.TEST");
            assertEquals("REALM.TEST", auth.getUserDomain());
        }

        @Test

        assertNotNull(root);
    }

    @Test
    void testResolveArtifactCoordinatesDependencies() {
        DependencyCoordinates coords = session.createDependencyCoordinates(
                session.createArtifactCoordinates("org.apache.maven.core.test", "test-extension", "1", "jar"));

        List<Path> paths = session.resolveDependencies(coords);

    }

    public void test_builder() {
        assertEquals("test", extractorFactory.builder(new ByteArrayInputStream("test".getBytes()), null).extract().getContent());
        assertEquals("test",
                extractorFactory.builder(new ByteArrayInputStream("test".getBytes()), null).filename("test.txt").extract().getContent());
    }

    public void test_addExtractor_weight() {

    }

    @Test
    void testExcludeAllWildcard() {
        Exclusion exclusion = new Exclusion();
        exclusion.setGroupId("*");
        exclusion.setArtifactId("*");
        ExclusionArtifactFilter filter = new ExclusionArtifactFilter(Collections.singletonList(exclusion));

        assertFalse(filter.include(artifact), "Artifact should be excluded by all wildcard");
    }

    @Test

            assertTrue(ex.getMessage().contains("Bad textual SID format"));
        }

        @Test
        @DisplayName("Textual constructor null throws NullPointerException")
        void testTextualConstructorNull() {
            assertThrows(NullPointerException.class, () -> new SID((String) null));
        }

        @Test
        @DisplayName("Binary constructor happy path and round-trip via toByteArray")

class RepositorySystemTest extends AbstractRepositoryTestCase {
    @Test
    void testResolveVersionRange() throws Exception {
        // VersionRangeResult resolveVersionRange( RepositorySystemSession session, VersionRangeRequest request )
        //                throws VersionRangeResolutionException;

    }

    @Test
    void testResolveVersion() throws Exception {