content: package de.danoeh.antennapod.net.download.service.episode.autodownload;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.List;
  
  import de.danoeh.antennapod.model.feed.Feed;
  import de.danoeh.antennapod.model.feed.FeedItem;
  import de.danoeh.antennapod.net.download.serviceinterface.AutoDownloadManager;
  import de.danoeh.antennapod.net.sync.serviceinterface.SynchronizationQueue;
  import de.danoeh.antennapod.net.sync.serviceinterface.SynchronizationQueueStub;
  import de.danoeh.antennapod.storage.preferences.UserPreferences;
  
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.robolectric.RobolectricTestRunner;
  
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  /**
   * Tests that the APQueueCleanupAlgorithm is working correctly.
   */
  @RunWith(RobolectricTestRunner.class)
  public class DbQueueCleanupAlgorithmTest extends DbCleanupTests {
  
      public DbQueueCleanupAlgorithmTest() {
          setCleanupAlgorithm(UserPreferences.EPISODE_CLEANUP_QUEUE);
          AutoDownloadManager.setInstance(new AutoDownloadManagerImpl());
          SynchronizationQueue.setInstance(new SynchronizationQueueStub());
      }
  
      /**
       * For APQueueCleanupAlgorithm we expect even unplayed episodes to be deleted if needed
       * if they aren't in the queue.
       */
      @Test
      public void testPerformAutoCleanupHandleUnplayed() throws IOException {
          final int numItems = EPISODE_CACHE_SIZE * 2;
  
          Feed feed = new Feed("url", null, "title");
          List<FeedItem> items = new ArrayList<>();
          feed.setItems(items);
          List<File> files = new ArrayList<>();
          populateItems(numItems, feed, items, files, FeedItem.UNPLAYED, false, false);
  
          AutoDownloadManager.getInstance().performAutoCleanup(context);
          for (int i = 0; i < files.size(); i++) {
              if (i < EPISODE_CACHE_SIZE) {
                  assertTrue(files.get(i).exists());
              } else {
                  assertFalse(files.get(i).exists());
              }
          }
      }
  }
  