def tooMany = parent.createDir("dir12")
        def tooFew = parent.createDir("dir")
        def child = dir1.createDir("child1")
        def single = from(dir1)

        expect:
        def s1 = single.plus(dir2)
        s1.contains(dir1)
        s1.contains(child)
        s1.contains(dir2)
        !s1.contains(dir3)
        !s1.contains(tooFew)
        !s1.contains(tooMany)

	parent := Parent{}
	DB.Create(&parent)

	child := Child{ParentID: &parent.ID, Parent: &parent, Name: "HasManyCircularReference"}
	child1 := Child{ParentID: &parent.ID, Parent: &parent, Name: "HasManyCircularReference1"}

	parent.Children = []*Child{&child, &child1}
	DB.Save(&parent)

	var children []*Child
	DB.Where("parent_id = ?", parent.ID).Find(&children)

	Setsid     bool        // Create session.
	// Setpgid sets the process group ID of the child to Pgid,
	// or, if Pgid == 0, to the new child's process ID.
	Setpgid bool
	// Setctty sets the controlling terminal of the child to
	// file descriptor Ctty. Ctty must be a descriptor number
	// in the child process: an index into ProcAttr.Files.
	// This is only meaningful if Setsid is true.
	Setctty bool

    def "can resolve a graph with a local cycle caused by module replacement"() {
        given:
        def child1 = mavenRepo.module('org', 'child1', '1.0').publish()
        def child2 = mavenRepo.module('org', 'child2', '1.0').publish()
        mavenRepo.module('org', 'direct', '1.0').dependsOn(child1).dependsOn(child2).publish()

        buildFile << """
            repositories {
                maven {

	Setsid     bool        // Create session.
	// Setpgid sets the process group ID of the child to Pgid,
	// or, if Pgid == 0, to the new child's process ID.
	Setpgid bool
	// Setctty sets the controlling terminal of the child to
	// file descriptor Ctty. Ctty must be a descriptor number
	// in the child process: an index into ProcAttr.Files.
	// This is only meaningful if Setsid is true.
	Setctty bool

		// If we're in the parent, we must return immediately
		// so we're not in the same stack frame as the child.
		// This can at most use the return PC, which the child
		// will not modify, and the results of
		// rawVforkSyscall, which must have been written after
		// the child was replaced.
		return
	}

	// Fork succeeded, now in child.

	// Enable the "keep capabilities" flag to set ambient capabilities later.

	Setsid     bool        // Create session.
	// Setpgid sets the process group ID of the child to Pgid,
	// or, if Pgid == 0, to the new child's process ID.
	Setpgid bool
	// Setctty sets the controlling terminal of the child to
	// file descriptor Ctty. Ctty must be a descriptor number
	// in the child process: an index into ProcAttr.Files.
	// This is only meaningful if Setsid is true.
	Setctty bool

        String childPath = child.getProperties().getOrDefault(CHILD_DIRECTORY_PROPERTY, child.getArtifactId());
        hints.put(CHILD_DIRECTORY, childPath);
        hints.put(MavenModelMerger.CHILD_PATH_ADJUSTMENT, getChildPathAdjustment(child, parent, childPath));
        return merger.merge(child, parent, false, hints);
    }

    /**

			pc.mu.Lock()
			if len(pc.children) != 0 {
				t.Errorf("child's cancel didn't remove self from pc.children = %v", pc.children)
			}
			pc.mu.Unlock()
		}

		// child should be finished.
		select {
		case <-child.Done():
		default:
			t.Errorf("<-child.Done() blocked, but shouldn't have")
		}
		if e := child.Err(); e != Canceled {
			t.Errorf("child.Err() == %v want %v", e, Canceled)
		}

    private ProjectInternal childProject
    private ProjectInternal anotherChildProject

    def setup() {
        childProject = TestUtil.createChildProject(project, "child", new File("."))
        anotherChildProject = TestUtil.createChildProject(project, "child2", new File("."))
    }

    def "location tracks change to outputFile property"() {
        when:
        project.pluginManager.apply(IdeaPlugin)