Fixed an issue where GetEpisodesByParseResult would throw object reference when episode list was null

NzbDrone.Core.Test/EpisodeProviderTest_GetEpisodesByParseResult.cs

@@ -234,5 +234,31 @@ namespace NzbDrone.Core.Test
             db.Fetch<Episode>().Should().HaveCount(2);
             ep.First().Ignored.Should().BeFalse();
         }
+
+        [Test]
+        [Description("GetEpisodeParseResult should return empty list if episode list is null")]
+        public void GetEpisodeParseResult_should_return_empty_list_if_episode_list_is_null()
+        {
+            var mocker = new AutoMoqer();
+            //Act
+            var episodes = mocker.Resolve<EpisodeProvider>().GetEpisodesByParseResult(new EpisodeParseResult());
+            //Assert
+            episodes.Should().NotBeNull();
+            episodes.Should().BeEmpty();
+        }
+
+        [Test]
+        [Description("GetEpisodeParseResult should return empty list if episode list is empty")]
+        public void GetEpisodeParseResult_should_return_empty_list_if_episode_list_is_empty()
+        {
+            var mocker = new AutoMoqer();
+            //Act
+            var episodes = mocker.Resolve<EpisodeProvider>().GetEpisodesByParseResult(new EpisodeParseResult{EpisodeNumbers = new List<int>()});
+            //Assert
+            episodes.Should().NotBeNull();
+            episodes.Should().BeEmpty();
+        }
+
+
     }
 }

NzbDrone.Core/Providers/EpisodeProvider.cs

@@ -125,6 +125,9 @@ namespace NzbDrone.Core.Providers
         {
             var result = new List<Episode>();
 
+            if (parseResult.EpisodeNumbers == null)
+                return result;
+
             foreach (var episodeNumber in parseResult.EpisodeNumbers)
             {
                 var episodeInfo = GetEpisode(parseResult.Series.SeriesId, parseResult.SeasonNumber, episodeNumber);
@@ -159,7 +162,7 @@ namespace NzbDrone.Core.Providers
                 }
                 else
                 {
-                    Logger.Debug("Unable to file {0}-S{1:00}E{2:00}", parseResult.Series.Title, parseResult.SeasonNumber, episodeNumber);
+                    Logger.Debug("Unable to find {0}-S{1:00}E{2:00}", parseResult.Series.Title, parseResult.SeasonNumber, episodeNumber);
                 }
             }