notifyListenerRegistration("TaskExecutionGraph.addTaskExecutionListener", listener);
        taskListeners.add(listener);
    }

    @Override
    public void removeTaskExecutionListener(org.gradle.api.execution.TaskExecutionListener listener) {
        taskListeners.remove(listener);
    }

    @Override

    }

    def "notifies listener of test progress"() {
        def listener = Mock(TestListener)

        given:
        expectTestPasses()

        task.addTestListener(listener)

        when:
        task.executeTests()

        then:
        1 * listener.beforeSuite(_)
        1 * listener.beforeTest(_)
        1 * listener.afterTest(_, _)
        1 * listener.afterSuite(_, _)

import org.gradle.tooling.internal.protocol.PhasedActionResult;
import org.gradle.tooling.internal.protocol.PhasedActionResultListener;

import java.util.ArrayList;
import java.util.List;

/**
 * Listener that will collect failures from the delegate listener and rethrow them in the right moment of the build.
 */
public class FailsafePhasedActionResultListener implements PhasedActionResultListener {
    private final PhasedActionResultListener delegate;

)

// Listener filter names
const (
	// OriginalDestination listener filter
	OriginalDestination = "envoy.filters.listener.original_dst"
	// ProxyProtocol listener filter
	ProxyProtocol = "envoy.filters.listener.proxy_protocol"
	// TLSInspector listener filter
	TLSInspector = "envoy.filters.listener.tls_inspector" // nolint:golint,revive
	// HTTPInspector listener filter

	// Test cases:
	// 1. http case:
	//    client -------> Hits listener 0.0.0.0_80 cluster
	//    Metric is istio_requests_total i.e. HTTP
	//
	// 2. https case:
	//    client ----> Hits no listener -> 0.0.0.0_150001 -> ALLOW_ANY/REGISTRY_ONLY
	//    Metric is istio_tcp_connections_closed_total i.e. TCP
	//
	// 3. https conflict case:
	//    client ----> Hits listener 0.0.0.0_9443

    /**
     * Executes the given action against the given listener collecting any new listener registrations in a separate
     * {@link ProjectEvaluationListener} instance which is returned at the end if not empty.
     *
     * @param listener the current listener
     * @param action the listener action

     * @see org.gradle.api.invocation.GradleLifecycle#afterProject(IsolatedAction)
     */
    void afterProject(IsolatedAction<? super Project> action);

    /**
     * Returns an isolated listener for the registered actions, if any. The listener makes it impossible for
     * the actions to carry any shared mutable state across projects and can be safely executed in parallel.
     */
    @Nullable

        }

        then: "build progress events must be forwarded to the attached listeners"
        events.assertIsABuild()
    }

    def "stops dispatching events to progress listeners when a listener fails and continues with build"() {
        given:
        goodCode()

        when: "launching a build"
        List<ProgressEvent> resultsOfFirstListener = []

            includeGroups == source.includeGroups
            excludeGroups == source.excludeGroups
            configFailurePolicy == source.configFailurePolicy
            listeners == source.listeners
            parallel == source.parallel
            threadCount == source.threadCount
            suiteThreadPoolSize.get() == source.suiteThreadPoolSize.get()

    assertEquals(1, listenerLatch.getCount());
    assertFalse(task.isDone());
    assertFalse(task.isCancelled());

    // Finish the task by unblocking the task latch.  Then wait for the
    // listener to be called by blocking on the listener latch.
    taskLatch.countDown();
    assertEquals(25, task.get().intValue());
    assertTrue(listenerLatch.await(5, TimeUnit.SECONDS));
    assertTrue(task.isDone());