}

    @Test
    void testGetException() {
        DefaultProblem problem = new DefaultProblem(null, null, null, -1, -1, null);
        assertNull(problem.getException());

        Exception e = new Exception();
        problem = new DefaultProblem(null, null, null, -1, -1, e);
        assertSame(e, problem.getException());
    }

    @Test
    void testGetSource() {

  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
  public void testRemoveIf_alwaysFalse() {
    assertFalse("removeIf(x -> false) should return false", collection.removeIf(x -> false));
    expectUnchanged();
  }

  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
  @CollectionSize.Require(absent = ZERO)
  public void testRemoveIf_sometimesTrue() {
    assertTrue(

     * @param project project reference.
     * @param artifact artifact to add or replace.
     */
    public void attachArtifact(MavenProject project, Artifact artifact) {
        project.addAttachedArtifact(artifact);
    }

    @Override
    public void addResource(
            MavenProject project, String resourceDirectory, List<String> includes, List<String> excludes) {

      assertTrue(Thread.holdsLock(mutex));
      return delegate.toArray(array);
    }

    @Override
    public void addFirst(E e) {
      assertTrue(Thread.holdsLock(mutex));
      delegate.addFirst(e);
    }

    @Override
    public void addLast(E e) {
      assertTrue(Thread.holdsLock(mutex));
      delegate.addLast(e);
    }

    @Override

    public String getId() {
        return asDocMeta().id();
    }

    public void setId(final String id) {
        asDocMeta().id(id);
    }

    public Long getVersionNo() {
        return asDocMeta().version();
    }

    public void setVersionNo(final Long version) {
        asDocMeta().version(version);
    }

/**
 *
 */
class RequirementMatcherFactoryTest {

    /**
     * Test of createExactMatcher method, of class RequirementMatcherFactory.
     */
    @Test
    void testCreateExactMatcher() {
        RequirementMatcher matcher;
        matcher = RequirementMatcherFactory.createExactMatcher("foo");
        assertFalse(matcher.matches("bar"));
        assertFalse(matcher.matches("foobar"));

        this.plexusContainer = requireNonNull(plexusContainer, "plexusContainer");
        this.lookup = new DefaultLookup(plexusContainer);
        updateLogging(context);
    }

    @Override
    public void updateLogging(LookupContext context) {
        plexusContainer.getLoggerManager().setThresholds(toPlexusLoggingLevel(context.loggerLevel));
    }

    @Override
    public Lookup getLookup() {
        return lookup;

    } else {
      return null;
    }
  }

  @Override
  public void put(Range<K> range, V value) {
    if (!range.isEmpty()) {
      checkNotNull(value);
      remove(range);
      entriesByLowerBound.put(range.lowerBound, new RangeMapEntry<K, V>(range, value));
    }
  }

  @Override
  public void putCoalescing(Range<K> range, V value) {

@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class MapToStringTester<K, V> extends AbstractMapTester<K, V> {
  public void testToString_minimal() {
    assertNotNull("toString() should not return null", getMap().toString());
  }

  @CollectionSize.Require(ZERO)
  @CollectionFeature.Require(absent = NON_STANDARD_TOSTRING)
  public void testToString_size0() {
    assertEquals("emptyMap.toString should return {}", "{}", getMap().toString());
  }

        void recordFailure() {
            failedAttempts.incrementAndGet();
            lastAttempt = Instant.now();
        }

        void reset() {
            failedAttempts.set(0);
            lockedOut.set(false);
            lockoutExpiry = null;
        }

        void lockOut(Duration duration) {
            lockedOut.set(true);