*/
class ResourceTest {

    @Test
    void testHashCodeNullSafe() {
        new Resource().hashCode();
    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(new Resource().equals(null));

        new Resource().equals(new Resource());
    }

    @Test
    void testEqualsIdentity() {
        Resource thing = new Resource();

        // skip possible null entries
        this.readers = Collections.unmodifiableList(
                new ArrayList<>(readers.stream().filter(Objects::nonNull).collect(Collectors.toList())));
        Key key = new Key(this.readers);
        this.repository = new WorkspaceRepository(key.getContentType(), key);
    }

    public List<WorkspaceReader> getReaders() {
        return readers;
    }

        TransferResource resource = event.getResource();
        transfers.put(
                new TransferResourceIdentifier(resource),
                new TransferResourceAndSize(resource, event.getTransferredBytes()));

        StringBuilder buffer = new StringBuilder(128);
        buffer.append("Progress (").append(transfers.size()).append("): ");

        synchronized (transfers) {

         */

        if (artifact.isSnapshot()) {
            Snapshot snapshot = new Snapshot();
            snapshot.setLocalCopy(true);
            artifact.addMetadata(new SnapshotArtifactRepositoryMetadata(artifact, snapshot));
        }

        Versioning versioning = new Versioning();
        // TODO Should this be changed for MNG-6754 too?
        versioning.updateTimestamp();

    @Test
    void testToString() {
        LifecyclePhase phase = new LifecyclePhase();
        assertEquals("", phase.toString());

        LifecycleMojo mojo1 = new LifecycleMojo();
        mojo1.setGoal("jar:jar");
        phase.setMojos(Arrays.asList(mojo1));
        assertEquals("jar:jar", phase.toString());

        LifecycleMojo mojo2 = new LifecycleMojo();
        mojo2.setGoal("war:war");

// open file descriptor.
package lock

import (
	"errors"
	"os"
	"sync"
)

// ErrAlreadyLocked is returned if the underlying fd is already locked.
var ErrAlreadyLocked = errors.New("file already locked")

// RLockedFile represents a read locked file, implements a special
// closer which only closes the associated *os.File when the ref count.

            throw new ArtifactResolutionException(
                    "Unknown error during artifact resolution, " + request + ", " + result.getExceptions(),
                    request.getArtifact(),
                    request.getRemoteRepositories());
        }
    }

    private static <T> List<T> toList(Collection<T> items) {
        return (items != null) ? new ArrayList<>(items) : null;
    }

        DefaultRepositorySystemSession session = new DefaultRepositorySystemSession(h -> false); // no close handle
        MavenSessionBuilderSupplier builder = new MavenSessionBuilderSupplier();
        session.setDependencyTraverser(builder.getDependencyTraverser());
        session.setDependencyManager(new ClassicDependencyManager()); // Maven 3 behavior

        this.longMessage = longMessage;
    }

    /**
     * Construct a new <code>MojoFailureException</code> exception providing a message.
     *
     * @param message
     */
    public MojoFailureException(String message) {
        super(message);
    }

    /**
     * Construct a new <code>MojoFailureException</code> exception wrapping an underlying <code>Throwable</code>

import org.apache.maven.project.MavenProject;

public class BuildPlan {

    private final Map<MavenProject, Map<String, BuildStep>> plan = new LinkedHashMap<>();
    private final Map<MavenProject, List<MavenProject>> projects;
    private final Map<String, String> aliases = new HashMap<>();
    private volatile Set<String> duplicateIds;
    private volatile List<BuildStep> sortedNodes;

    BuildPlan() {