public void testFinishToFuture_throwsIfCalledTwice() throws Exception {
    ClosingFuture<Closeable> closingFuture =
        ClosingFuture.submit(
            new ClosingCallable<Closeable>() {
              @Override
              public Closeable call(DeferredCloser closer) throws Exception {
                return closer.eventuallyClose(mockCloseable, executor);
              }
            },

  protected ListenableFuture<Boolean> future;

  @Override
  protected void setUp() throws Exception {

    // Create a latch and a future that waits on the latch.
    latch = new CountDownLatch(1);
    future = createListenableFuture(Boolean.TRUE, null, latch);
  }

  @Override
  protected void tearDown() throws Exception {

    // Make sure we have no waiting threads.
    latch.countDown();
  }

    /*
     * (non-Javadoc)
     * @see junit.framework.TestCase#setUp()
     */
    @BeforeEach
    public void setUp() throws Exception {
        properties = new MavenProperties();
        properties.load(new StringReader(TEST_PROPERTIES));
    }

    @Test
    public void testSpaces() throws Exception {
        String config = "\n" + "\n"
                + "    \n"
                + "                \n"

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 exception provides access to detailed results through {@link #getResults()}, allowing

    }

    @Test
    void testOneProblem() {
        ProblemCollector problemCollector = ProblemCollectorFactory.newInstance(null);
        problemCollector.add(Problem.Severity.ERROR, "MESSAGE", 3, 5, new Exception());
        ToolchainsBuildingException e = new ToolchainsBuildingException(problemCollector.getProblems());
        assertEquals(
                "1 problem was encountered while building the effective toolchains" + LS

     * @see org.apache.maven.execution.ExecutionEvent
     * @see org.eclipse.aether.RepositoryEvent
     */
    void onEvent(Object event) throws Exception;

    /**
     * Notifies the spy of Maven's termination, allowing it to free any resources allocated by it.
     */
    void close() throws Exception;

/**
 * The Exception class throw by the {@link ToolchainManager}.
 *
 * @since 4.0.0
 */
@Experimental
public class ToolchainManagerException extends MavenException {

    /**
     * @param message the message to give
     * @param e the {@link Exception}
     */
    public ToolchainManagerException(String message, Exception e) {
        super(message, e);
    }

    class DependencyInferenceTests {

        @Test
        @DisplayName("should remove dependency version for project artifact")
        void shouldRemoveDependencyVersionForProjectArtifact() throws Exception {
            String parentPomXml = PomBuilder.create()
                    .namespace("http://maven.apache.org/POM/4.1.0")
                    .modelVersion("4.1.0")
                    .groupId("com.example")

    @Override
    protected String getProjectsDirectory() {
        return "src/test/projects/default-maven";
    }

    @Test
    void testEnsureResolverSessionHasMavenWorkspaceReader() throws Exception {
        WsrClassCatcher wsrClassCatcher =
                (WsrClassCatcher) getContainer().lookup(AbstractMavenLifecycleParticipant.class, "WsrClassCatcher");
        Maven maven = getContainer().lookup(Maven.class);

          // by a previous one in the queue being interrupted.
          interruptedDuringTask |= Thread.interrupted();
          try {
            task.run();
          } catch (Exception e) { // sneaky checked exception
            log.get().log(Level.SEVERE, "Exception while executing runnable " + task, e);
          } finally {
            task = null;
          }
        }
      } finally {