@Inject
    private SessionScope sessionScope;

    protected String component() {
        return "deployer";
    }

    @Test
    void testArtifactInstallation() throws Exception {
        sessionScope.enter();
        try {
            sessionScope.seed(MavenSession.class, mock(MavenSession.class));

    // or we can show it graphically as:
    //
    // p1 ---> p0 --> super model
    //
    // ----------------------------------------------------------------------

    @Test
    void testDependencyManagement() throws Exception {
        File localRepo = getLocalRepositoryPath();
        File pom0 = new File(localRepo, "p0/pom.xml");

        File pom0Basedir = pom0.getParentFile();

import java.util.List;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.services.Request;
import org.apache.maven.api.services.Result;

/**
 * Exception thrown when a batch request operation fails. This exception contains the results
 * of all requests that were attempted, including both successful and failed operations.
 * <p>

/**
 * The "help" goal implementation.
 */
@Named("help")
@Singleton
public class Help implements Goal {

    @Override
    public int execute(UpgradeContext context) throws Exception {
        context.info("Maven Upgrade Tool - Help");
        context.println();
        context.info("Upgrades Maven projects to be compatible with Maven 4.");
        context.println();

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;

class DefaultArtifactDescriptorReaderTest extends AbstractRepositoryTestCase {

    @Test
    void testMng5459() throws Exception {
        // prepare
        DefaultArtifactDescriptorReader reader =
                (DefaultArtifactDescriptorReader) getContainer().lookup(ArtifactDescriptorReader.class);

    public LifecycleTaskSegmentCalculatorStub() {
        super(null, null);
    }

    @Override
    public List<TaskSegment> calculateTaskSegments(MavenSession session, List<String> tasks)
            throws PluginNotFoundException, PluginResolutionException, PluginDescriptorParsingException,
                    MojoNotFoundException, NoPluginFoundForPrefixException, InvalidPluginDescriptorException,

     * {@link NullPointerException}. This test is defensive; in real code it
     * would likely be handled elsewhere.
     */
    @Test
    @DisplayName("calling getters on null reference throws NPE")
    void testNullReference() {
        AllocInfo nullRef = null;
        assertThrows(NullPointerException.class, () -> nullRef.getCapacity());
        assertThrows(NullPointerException.class, () -> nullRef.getFree());

import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertSame;

class BuildListCalculatorTest {

    @Test
    void testCalculateProjectBuilds() throws Exception {
        LifecycleTaskSegmentCalculator lifecycleTaskSegmentCalculator = getTaskSegmentCalculator();
        BuildListCalculator buildListCalculator = new BuildListCalculator();

/**
 */
class DefaultLegacySupportTest {
    final CountDownLatch latch = new CountDownLatch(1);
    final DefaultLegacySupport defaultLegacySupport = new DefaultLegacySupport();

    @Test
    void testSetSession() throws Exception {

        MavenExecutionRequest mavenExecutionRequest = new DefaultMavenExecutionRequest();
        MavenSession m1 = new MavenSession(null, null, mavenExecutionRequest, null);

  }

  private void assertSetCountNegativeOldCount() {
    try {
      getMultiset().setCount(e3(), -1, 1);
      fail("calling setCount() with a negative oldCount should throw IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
  }

  // Negative oldCount.

  @CollectionFeature.Require(SUPPORTS_ADD)