MavenProject project = result.get(0).getProject();
        // verify a few typical parameters are not duplicated
        assertEquals(1, project.getTestCompileSourceRoots().size());
        assertEquals(1, project.getCompileSourceRoots().size());
        assertEquals(1, project.getMailingLists().size());
        assertEquals(1, project.getResources().size());
    }

    @Test

        projects.add(project1);
        MavenProject project2 = createProject("groupId", "artifactId2", "1.0");
        projects.add(project2);
        project1.getDependencies().add(createDependency(project2));

        projects = new ProjectSorter(projects).getSortedProjects();

        assertEquals(project2, projects.get(0));
        assertEquals(project1, projects.get(1));
    }

    @Test

import org.apache.maven.project.CycleDetectedException;
import org.apache.maven.project.DuplicateProjectException;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.ProjectBuildingException;
import org.apache.maven.project.collector.MultiModuleCollectionStrategy;
import org.apache.maven.project.collector.PomlessCollectionStrategy;
import org.apache.maven.project.collector.RequestPomCollectionStrategy;

val Project.testSplitIncludeTestClasses: String
    get() = project.stringPropertyOrEmpty(TEST_SPLIT_INCLUDE_TEST_CLASSES)


val Project.testSplitExcludeTestClasses: String
    get() = project.stringPropertyOrEmpty(TEST_SPLIT_EXCLUDE_TEST_CLASSES)


val Project.testSplitOnlyTestGradleVersion: String
    get() = project.stringPropertyOrEmpty(TEST_SPLIT_ONLY_TEST_GRADLE_VERSION)

        MavenProject project = getProject(artifact);

        if (project != null) {
            File file = findArtifact(project, artifact);
            if (file == null && project != project.getExecutionProject()) {
                file = findArtifact(project.getExecutionProject(), artifact);
            }
            return file;
        }

                "beforeProjectExecution project-basic", //
                "beforeProjectLifecycleExecution project-basic", //
                "beforeMojoExecution project-basic:default-resources", //
                "afterMojoExecutionSuccess project-basic:default-resources", //
                "beforeMojoExecution project-basic:default-compile", //
                "afterMojoExecutionSuccess project-basic:default-compile", //

    }

    @Override
    public List<Project> getProjects(List<MavenProject> projects) {
        return projects == null ? null : map(projects, this::getProject);
    }

    @Override
    public Project getProject(MavenProject project) {
        return allProjects.computeIfAbsent(project.getId(), id -> new DefaultProject(this, project));
    }

    @Override

        session.setSession(iSession);

        List<MavenProject> projects = new ArrayList<>();

        if (pom != null) {
            MavenProject project = projectBuilder.build(pom, configuration).getProject();

            projects.add(project);
            if (includeModules) {
                for (String module : project.getModules()) {
                    File modulePom = new File(pom.getParentFile(), module);

            String projectId = getId(project);

            MavenProject conflictingProject = projectMap.put(projectId, project);

            if (conflictingProject != null) {
                throw new DuplicateProjectException(
                        projectId,
                        conflictingProject.getFile(),
                        project.getFile(),
                        "Project '" + projectId + "' is duplicated in the reactor");

public class GradleUserManualPlugin implements Plugin<Project> {

    public static final String DOCS_GRADLE_ORG = "https://docs.gradle.org/";

    @Override
    public void apply(Project project) {
        ProjectLayout layout = project.getLayout();
        TaskContainer tasks = project.getTasks();

        GradleDocumentationExtension extension = project.getExtensions().getByType(GradleDocumentationExtension.class);