@Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        super.tearDown(testInfo);
    }

    // Basic test to verify test framework is working
    @Test
    public void test_basicAssertion() {
        assertTrue(true);

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        super.tearDown(testInfo);
    }

    // Basic test to verify test framework is working
    @Test
    public void test_basicAssertion() {
        assertTrue(true);

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        super.tearDown(testInfo);
    }

    // Basic test to verify test framework is working
    @Test
    public void test_basicAssertion() {
        assertTrue(true);

 * @since 3.1.2
 */
public interface ProjectExecutionListener {
    void beforeProjectExecution(ProjectExecutionEvent event) throws LifecycleExecutionException;

    void beforeProjectLifecycleExecution(ProjectExecutionEvent event) throws LifecycleExecutionException;

    void afterProjectExecutionSuccess(ProjectExecutionEvent event) throws LifecycleExecutionException;

    void afterProjectExecutionFailure(ProjectExecutionEvent event);

  public MockFutureListener(ListenableFuture<?> future) {
    this.countDownLatch = new CountDownLatch(1);
    this.future = future;

    future.addListener(this, directExecutor());
  }

  @Override
  public void run() {
    countDownLatch.countDown();
  }

  /**
   * Verify that the listener completes in a reasonable amount of time, and Asserts that the future
   * returns the expected data.
   *

  @CollectionSize.Require(absent = ZERO)
  public void testSetValueNullUnsupported() {
    for (Entry<K, V> entry : getMap().entrySet()) {
      assertThrows(NullPointerException.class, () -> entry.setValue(null));
      expectUnchanged();
    }
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})
  @CollectionSize.Require(absent = ZERO)
  public void testSetValueNullSupported() {

public class SetCreationTester<E> extends AbstractSetTester<E> {
  @CollectionFeature.Require(value = ALLOWS_NULL_VALUES, absent = REJECTS_DUPLICATES_AT_CREATION)
  @CollectionSize.Require(absent = {ZERO, ONE})
  public void testCreateWithDuplicates_nullDuplicatesNotRejected() {
    E[] array = createArrayWithNullElement();
    array[0] = null;
    collection = getSubjectGenerator().create(array);

          {new MapRetrievalCache<String, String>(new TreeMap<String, String>(nullsLast))}
        });
  }

  @Before
  public void init() {
    mapCache.clear();
  }

  @Test
  public void testKeySetIterator() {
    mapCache.put("A", "A_value");
    mapCache.put("B", "B_value");
    mapCache.put("C", "C_value");

    assertThat(mapCache.unmodifiableKeySet()).hasSize(3);

  @MapFeature.Require(ALLOWS_NULL_KEYS)
  public void testHashCode_containingNullKey() {
    Entry<K, V> entryWithNull = entry(null, v3());
    runEntryWithNullTest(entryWithNull);
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  @MapFeature.Require(ALLOWS_NULL_VALUES)
  public void testHashCode_containingNullValue() {
    Entry<K, V> entryWithNull = entry(k3(), null);

public class SetCreationTester<E> extends AbstractSetTester<E> {
  @CollectionFeature.Require(value = ALLOWS_NULL_VALUES, absent = REJECTS_DUPLICATES_AT_CREATION)
  @CollectionSize.Require(absent = {ZERO, ONE})
  public void testCreateWithDuplicates_nullDuplicatesNotRejected() {
    E[] array = createArrayWithNullElement();
    array[0] = null;
    collection = getSubjectGenerator().create(array);