*/
    @Test
    public void testSplit() throws Exception {
        final String[] array = StringUtil.split("aaa\nbbb", "\n");
        assertEquals("1", 2, array.length);
        assertEquals("2", "aaa", array[0]);
        assertEquals("3", "bbb", array[1]);
    }

    /**
     *
     */
    @Test
    public void testSplit2() {
        final String[] array = StringUtil.split("aaa, bbb", ", ");

/**
 * @author FreeGen
 */
public class PathMappingBhv extends BsPathMappingBhv {
    private String indexName = null;

    @Override
    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexConfigIndex();
            indexName = super.asEsIndex().replaceFirst(Pattern.quote("fess_config"), name);
        }
        return indexName;
    }

 * All test classes should extend this to ensure consistent test setup.
 */
@ExtendWith(MockitoExtension.class)
public abstract class BaseTest {

    protected final Logger logger = LoggerFactory.getLogger(getClass());

    @BeforeEach
    void baseSetUp() {
        // Common setup for all tests
        logger.debug("Setting up test: {}", getClass().getSimpleName());
    }

 * @author Kevin Bourrillion
 */
@GwtCompatible
public class DerivedComparable extends BaseComparable {
  public DerivedComparable(String s) {
    super(s);
  }

  @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;

import com.google.common.collect.Multimap;

/**
 * Helper methods/assertions for use with {@code com.google.common.collect} types.
 *
 * @author Colin Decker
 */
@GwtCompatible
final class GoogleHelpers {

  private GoogleHelpers() {}

  static void assertEmpty(Multimap<?, ?> multimap) {
    if (!multimap.isEmpty()) {
      fail("Not true that " + multimap + " is empty");
    }
  }

import java.util.function.UnaryOperator;

import org.apache.maven.impl.model.DefaultInterpolator;

public class MavenPropertiesLoader {

    public static final String INCLUDES_PROPERTY = "${includes}"; // includes

    public static final String OVERRIDE_PREFIX =
            "maven.override."; // prefix that marks that system property should override defaults.

    public static void loadProperties(

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

@PlexusTest
class PomConstructionWithSettingsTest {
    private static final String BASE_DIR = "src/test";

    private static final String BASE_POM_DIR = BASE_DIR + "/resources-settings";

    @Inject
    private DefaultProjectBuilder projectBuilder;

    @Inject
    private MavenRepositorySystem repositorySystem;

 * strengths.
 *
 * @author mike nonemacher
 */
@NullUnmarked
public class CacheReferencesTest extends TestCase {

  private static final CacheLoader<Key, String> KEY_TO_STRING_LOADER =
      new CacheLoader<Key, String>() {
        @Override
        public String load(Key key) {
          return key.toString();
        }
      };

import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/** Replacements for JUnit's {@code assertThrows} that work under GWT/J2CL. */
@GwtCompatible
@NullMarked
final class ReflectionFreeAssertThrows {
  interface ThrowingRunnable {
    void run() throws Throwable;
  }

  interface ThrowingSupplier {
    @Nullable Object get() throws Throwable;
  }

  @CanIgnoreReturnValue

    return (SortedMap<R, Map<C, V>>) super.rowMap();
  }

  @Override
  SortedMap<R, Map<C, V>> createRowMap() {
    return new RowSortedMap();
  }

  @WeakOuter
  private final class RowSortedMap extends RowMap implements SortedMap<R, Map<C, V>> {
    @Override
    public SortedSet<R> keySet() {
      return (SortedSet<R>) super.keySet();
    }

    @Override