/**
   * Tests reading a 3.0.2 install with a mix of classic and OSGi plug-ins.
   *
   * @throws Exception
   */
  public void testClassicPlugins() throws Exception {
    // extract the 3.0.2 skeleton
    IPath location = extractClassicPlugins();

    // the new way
    ITargetDefinition definition = getNewTarget();
    ITargetLocation container = getTargetService().newDirectoryLocation(location.toOSString());
    definition.setTargetLocations(new ITargetLocation[] {container});
    Set urls = getAllBundleURLs(definition);
    assertTrue("Must be bundles", urls.size() > 0);

    Preferences store = PDECore.getDefault().getPluginPreferences();
    boolean restore = store.getBoolean(ICoreConstants.TARGET_PLATFORM_REALIZATION);
    try {
      store.setValue(ICoreConstants.TARGET_PLATFORM_REALIZATION, false);
      // the old way
      URL[] pluginPaths = PluginPathFinder.getPluginPaths(location.toOSString());
      for (int i = 0; i < pluginPaths.length; i++) {
        URL url = pluginPaths[i];
        if (!urls.contains(url)) {
          System.err.println(url.toString());
        }
      }
      assertEquals("Wrong number of bundles", pluginPaths.length, urls.size());
    } finally {
      store.setValue(ICoreConstants.TARGET_PLATFORM_REALIZATION, restore);
    }
  }
  /**
   * Tests that a bundle directory container is equivalent to scanning locations when it uses a
   * variable to specify its location.
   *
   * @throws Exception
   */
  public void testVariableDirectoryBundleContainer() throws Exception {
    // the new way
    ITargetDefinition definition = getNewTarget();
    ITargetLocation container = getTargetService().newDirectoryLocation("${eclipse_home}/plugins");
    definition.setTargetLocations(new ITargetLocation[] {container});
    Set urls = getAllBundleURLs(definition);

    Preferences store = PDECore.getDefault().getPluginPreferences();
    boolean restore = store.getBoolean(ICoreConstants.TARGET_PLATFORM_REALIZATION);
    try {
      store.setValue(ICoreConstants.TARGET_PLATFORM_REALIZATION, false);
      // the old way
      URL[] pluginPaths = PluginPathFinder.getPluginPaths(TargetPlatform.getDefaultLocation());
      assertEquals("Should have same number of bundles", pluginPaths.length, urls.size());
      for (int i = 0; i < pluginPaths.length; i++) {
        URL url = pluginPaths[i];
        assertTrue("Missing plug-in " + url.toString(), urls.contains(url));
      }
    } finally {
      store.setValue(ICoreConstants.TARGET_PLATFORM_REALIZATION, restore);
    }
  }