/**
   * Tests that resetting the target platform should work OK (i.e. is equivalent to the models in
   * the default target platform).
   *
   * @throws CoreException
   */
  public void testResetTargetPlatform() throws Exception {
    ITargetDefinition definition = getDefaultTargetPlatorm();
    Set urls = getAllBundleURLs(definition);
    Set fragments = new HashSet();
    TargetBundle[] bundles = definition.getBundles();
    for (int i = 0; i < bundles.length; i++) {
      if (bundles[i].isFragment()) {
        fragments.add(new File(bundles[i].getBundleInfo().getLocation()).toURL());
      }
    }

    // current platform
    IPluginModelBase[] models = TargetPlatformHelper.getPDEState().getTargetModels();

    // should be equivalent
    assertEquals("Should have same number of bundles", urls.size(), models.length);
    for (int i = 0; i < models.length; i++) {
      String location = models[i].getInstallLocation();
      URL url = new File(location).toURL();
      assertTrue("Missing plug-in " + location, urls.contains(url));
      if (models[i].isFragmentModel()) {
        assertTrue("Missing fragmnet", fragments.remove(url));
      }
    }
    assertTrue("Different number of fragments", fragments.isEmpty());
  }
  /**
   * Tests setting the target platform to empty.
   *
   * @throws CoreException
   */
  public void testSetEmptyTargetPlatform() throws CoreException {
    try {
      setTargetPlatform(null);

      // current platform
      IPluginModelBase[] models = TargetPlatformHelper.getPDEState().getTargetModels();

      assertEquals("Wrong number of bundles in empty target", 0, models.length);

    } finally {
      resetTargetPlatform();
    }
  }
  /**
   * Tests setting the target platform to the stored JDT feature test data
   *
   * @throws Exception
   */
  public void testSetTargetPlatformToJdtFeature() throws Exception {
    try {
      // extract the feature
      IPath location = extractModifiedFeatures();
      // org.eclipse.jdt_3.6.0.v20100105-0800-7z8VFR9FMTb52_pOyKHhoek1

      ITargetDefinition target = getNewTarget();
      ITargetLocation container =
          getTargetService()
              .newFeatureLocation(
                  location.toOSString(),
                  "org.eclipse.jdt",
                  "3.6.0.v20100105-0800-7z8VFR9FMTb52_pOyKHhoek1");

      target.setTargetLocations(new ITargetLocation[] {container});

      setTargetPlatform(target);

      List expected = new ArrayList();
      expected.add("org.eclipse.jdt");
      expected.add("org.eclipse.jdt.launching");
      // 2 versions of JUnit
      expected.add("org.junit");
      expected.add("org.junit");
      expected.add("org.junit4");
      if (Platform.getOS().equals(Platform.OS_MACOSX)) {
        expected.add("org.eclipse.jdt.launching.macosx");
      }

      // current platform
      IPluginModelBase[] models = TargetPlatformHelper.getPDEState().getTargetModels();

      assertEquals("Wrong number of bundles in JDT feature", expected.size(), models.length);
      for (int i = 0; i < models.length; i++) {
        expected.remove(models[i].getPluginBase().getId());
        assertTrue(models[i].isEnabled());
      }
      Iterator iterator = expected.iterator();
      while (iterator.hasNext()) {
        String name = (String) iterator.next();
        System.err.println("Missing: " + name);
      }
      assertTrue("Wrong bundles in target platform", expected.isEmpty());
    } finally {
      resetTargetPlatform();
    }
  }