//#70835: the menu bar holds only subMenu not this action. As this action listens only weakly on OPL, noone holds this action.

            //The action is the garbage collected and the sub menu does not react on changes of opened projects.

            //The action instance has to exists as long as the subMenu:

            subMenu.putClientProperty(SetMainProject.class, this);

import java.io.IOException;

import java.lang.ref.WeakReference;

import javax.swing.JMenu;

import javax.swing.JMenuItem;

import org.netbeans.api.project.Project;

import org.netbeans.api.project.ProjectManager;

import org.netbeans.api.project.TestUtil;

import org.netbeans.modules.project.ui.OpenProjectList;

import org.openide.filesystems.FileObject;

import org.openide.filesystems.FileUtil;

    public void setUp() throws Exception {

        super.setUp();

        TestUtil.setLookup(new Object[] {

            TestSupport.testProjectFactory(),

            TestSupport.createAuxiliaryConfiguration(),

        });

        clearWorkDir ();

    }

    public void test70368() {

        SetMainProject a = new SetMainProject();

        WeakReference  ref = new WeakReference(a);

        a = null;

        assertGC("SetMainProject action's instance can be freed:", ref);

    }

    public void test70835() throws IOException {

        FileObject workDir = FileUtil.toFileObject (getWorkDir ());

        assertNotNull(workDir);

        FileObject f1 = TestSupport.createTestProject (workDir, "project1");

        FileObject f2 = TestSupport.createTestProject (workDir, "project2");

        assertNotNull(f1);

        assertNotNull(f2);

        Project p1 = ProjectManager.getDefault().findProject(f1);

        Project p2 = ProjectManager.getDefault().findProject(f2);

        assertNotNull(p1);

        assertNotNull(p2);

        OpenProjectList.getDefault().open(new Project[] {p1, p2}, false);

        SetMainProject a = new SetMainProject();

        JMenuItem item = a.getMenuPresenter();

        assertTrue(item instanceof JMenu);

        JMenu menu = (JMenu) item;

        item = null;

        assertEquals(2, menu.getItemCount());

        assertTrue(menu.isEnabled());

        WeakReference menuRef = new WeakReference(menu);

        WeakReference actionRef = new WeakReference(a);

        a = null;

        try {

            assertGC("", actionRef);

        } catch (Error e) {

            //ignore....

        }

        OpenProjectList.getDefault().close(new Project[] {p1});

        assertEquals(1, menu.getItemCount());

        assertTrue(menu.isEnabled());

        OpenProjectList.getDefault().close(new Project[] {p2});

        assertEquals(0, menu.getItemCount());

        assertFalse(menu.isEnabled());

        OpenProjectList.getDefault().open(new Project[] {p1}, false);

        assertEquals(1, menu.getItemCount());

        assertTrue(menu.isEnabled());

        menu = null;

        assertGC("", menuRef);

        assertGC("", actionRef);

    }