Merge pull request #6712 from Stypox/fix-duplicate-items-queue

Fix duplicate items in queue causing endless buffering

app/src/main/java/org/schabi/newpipe/fragments/detail/VideoDetailFragment.java

@@ -813,7 +813,7 @@ public final class VideoDetailFragment
                                    @NonNull final String newTitle,
                                    @Nullable final PlayQueue newQueue) {
         if (isPlayerAvailable() && newQueue != null && playQueue != null
-                && !Objects.equals(newQueue.getItem(), playQueue.getItem())) {
+                && playQueue.getItem() != null && !playQueue.getItem().getUrl().equals(newUrl)) {
             // Preloading can be disabled since playback is surely being replaced.
             player.disablePreloadingOfCurrentTrack();
         }

app/src/main/java/org/schabi/newpipe/player/playqueue/PlayQueueItem.java

@@ -64,20 +64,6 @@ public class PlayQueueItem implements Serializable {
         this.recoveryPosition = RECOVERY_UNSET;
     }
 
-    @Override
-    public boolean equals(final Object o) {
-        if (o instanceof PlayQueueItem) {
-            return url.equals(((PlayQueueItem) o).url);
-        } else {
-            return false;
-        }
-    }
-
-    @Override
-    public int hashCode() {
-        return url.hashCode();
-    }
-
     @NonNull
     public String getTitle() {
         return title;

app/src/test/java/org/schabi/newpipe/player/playqueue/PlayQueueItemTest.java

@@ -0,0 +1,19 @@
+package org.schabi.newpipe.player.playqueue;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+
+public class PlayQueueItemTest {
+
+    public static final String URL = "MY_URL";
+
+    @Test
+    public void equalsMustNotBeOverloaded() {
+        final PlayQueueItem a = PlayQueueTest.makeItemWithUrl(URL);
+        final PlayQueueItem b = PlayQueueTest.makeItemWithUrl(URL);
+        assertEquals(a, a);
+        assertNotEquals(a, b); // they should compare different even if they have the same data
+    }
+}

app/src/test/java/org/schabi/newpipe/player/playqueue/PlayQueueTest.java

@@ -15,6 +15,7 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertSame;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.spy;
@@ -148,6 +149,15 @@ public class PlayQueueTest {
             assertNull(queue.getItem(-1));
             assertNull(queue.getItem(5));
         }
+
+        @Test
+        public void itemsAreNotCloned() {
+            final PlayQueueItem item = makeItemWithUrl("A url");
+            final PlayQueue playQueue = makePlayQueue(0, Collections.singletonList(item));
+
+            // make sure that items are not cloned when added to the queue
+            assertSame(playQueue.getItem(), item);
+        }
     }
 
     public static class EqualsTests {
@@ -162,6 +172,14 @@ public class PlayQueueTest {
             assertEquals(queue1, queue2);
         }
 
+        @Test
+        public void sameStreamsDifferentIndex() {
+            final List<PlayQueueItem> streams = Collections.nCopies(5, item1);
+            final PlayQueue queue1 = makePlayQueue(1, streams);
+            final PlayQueue queue2 = makePlayQueue(4, streams);
+            assertEquals(queue1, queue2);
+        }
+
         @Test
         public void sameSizeDifferentItems() {
             final List<PlayQueueItem> streams1 = Collections.nCopies(5, item1);