diff --git a/tests/song_test.cpp b/tests/song_test.cpp
index 4571ab84c..c8453989e 100644
--- a/tests/song_test.cpp
+++ b/tests/song_test.cpp
@@ -394,4 +394,33 @@ TEST_F(SongTest, StatisticsMP4) {
   EXPECT_EQ(87, new_song.score());
 }
 
+TEST_F(SongTest, MergeUserSetDataTest) {
+  // Suppose we have songs from files and from the DB
+  // Songs from files are the ones that will be imported in the DB after being merged with the
+  // former DB song values
+  Song song_db_with_rating;
+  Song song_db_with_no_rating;
+  Song song_file_with_rating;
+  Song song_file_with_no_rating;
+
+  song_db_with_rating.set_rating(0.42);
+  song_file_with_rating.set_rating(0.43);
+
+  // Merging a DB song with no rating should not update the rating that is in the file song
+  float old_rating_value = song_file_with_rating.rating();
+  song_file_with_rating.MergeUserSetData(song_db_with_no_rating);
+  EXPECT_NE(song_db_with_no_rating.rating(), song_file_with_rating.rating());
+  EXPECT_EQ(song_file_with_rating.rating(), old_rating_value);
+
+  // Merging a DB song with rating should not update the rating that is in the file song...
+  old_rating_value = song_file_with_rating.rating();
+  song_file_with_rating.MergeUserSetData(song_db_with_rating);
+  EXPECT_NE(song_db_with_rating.rating(), song_file_with_rating.rating());
+  EXPECT_EQ(song_file_with_rating.rating(), old_rating_value);
+
+  // ...but DB song's rating shouldn't be erased if the file song has no rating
+  song_file_with_no_rating.MergeUserSetData(song_db_with_rating);
+  EXPECT_EQ(song_file_with_no_rating.rating(), song_db_with_rating.rating());
+}
+
 }  // namespace