final boolean result = sut.isMatchingProject(mavenProject, selector, tempDir);

        tempProjectDir.delete();
        assertEquals(true, result);
    }

    @Test
    void getOptionalProjectsBySelectorsReturnsMatches() {
        final HashSet<String> selectors = new HashSet<>();
        selectors.add(":maven-core");
        selectors.add(":optional");

        var selectors = request.getProjectActivation().getOptionalActiveProjectSelectors();
        assertEquals(3, selectors.size());
        assertTrue(selectors.contains(":module-a"), "Expected selectors " + selectors + " to contain :module-a");
        assertTrue(selectors.contains(":module-b"), "Expected selectors " + selectors + " to contain :module-b");

        }

        private List<String> prependWithColonIfNeeded(String[] selectors) {
            return Arrays.stream(selectors).map(this::prependWithColonIfNeeded).collect(toList());
        }

        private String prependWithColonIfNeeded(String selector) {
            return selector.indexOf(':') == -1 ? ":" + selector : selector;
        }
    }

f(3.1415, true)
Point{1, 2}
m["foo"]
s[i : j + 1]
obj.color
f.p[i].x()
</pre>


<h3 id="Selectors">Selectors</h3>

<p>
For a <a href="#Primary_expressions">primary expression</a> <code>x</code>
that is not a <a href="#Package_clause">package name</a>, the
<i>selector expression</i>
</p>

<pre>
x.f
</pre>

<p>

		abistr := p.get(scanner.Ident).String()
		if !p.allowABI {
			if issueError {
				p.errorf("ABI selector only permitted when compiling runtime, reference was to %q", name)
			}
		} else {
			theabi, valid := obj.ParseABI(abistr)
			if !valid {
				if issueError {
					p.errorf("malformed ABI selector %q in reference to %q",
						abistr, name)
				}
			} else {
				abi = theabi
			}
		}
	}

                        }
                    }
                    boolean optional = false;
                    if (!selector.isEmpty() && selector.charAt(0) == '?') {
                        optional = true;
                        selector = selector.substring(1);
                    }
                    projectActivation.addProjectActivation(selector, active, optional);
                }

        profile.setId(id);
        profile.setActivation(activation);
        return profile;
    }

    @Test
    void testThrowingActivator() {
        DefaultProfileSelector selector = new DefaultProfileSelector();
        selector.addProfileActivator(new ProfileActivator() {
            @Override
            public boolean isActive(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {

                        }
                    }
                    boolean optional = false;
                    if (!selector.isEmpty() && selector.charAt(0) == '?') {
                        optional = true;
                        selector = selector.substring(1);
                    }
                    projectActivation.addProjectActivation(selector, active, optional);

        if (session != null) {
            org.eclipse.aether.repository.MirrorSelector selector = session.getMirrorSelector();
            if (selector != null) {
                RemoteRepository repo = selector.getMirror(RepositoryUtils.toRepo(repository));
                if (repo != null) {
                    Mirror mirror = new Mirror();

import org.eclipse.aether.util.graph.manager.ClassicDependencyManager;
import org.eclipse.aether.util.graph.manager.TransitiveDependencyManager;
import org.eclipse.aether.util.graph.selector.AndDependencySelector;
import org.eclipse.aether.util.graph.selector.ExclusionDependencySelector;
import org.eclipse.aether.util.graph.transformer.ChainedDependencyGraphTransformer;
import org.eclipse.aether.util.graph.transformer.ConfigurableVersionSelector;