From 013461377e89730ee381499d816c3e9bd3c4887d Mon Sep 17 00:00:00 2001
From: smoogipoo <smoogipoo@smgi.me>
Date: Thu, 28 May 2020 21:46:02 +0900
Subject: [PATCH] Fix potential nullref

---
 .../Gameplay/TestSceneReplayDownloadButton.cs   | 17 +++++++++++++++++
 .../Screens/Ranking/ReplayDownloadButton.cs     |  2 +-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/osu.Game.Tests/Visual/Gameplay/TestSceneReplayDownloadButton.cs b/osu.Game.Tests/Visual/Gameplay/TestSceneReplayDownloadButton.cs
index a35437a286..1809332bce 100644
--- a/osu.Game.Tests/Visual/Gameplay/TestSceneReplayDownloadButton.cs
+++ b/osu.Game.Tests/Visual/Gameplay/TestSceneReplayDownloadButton.cs
@@ -28,6 +28,7 @@ namespace osu.Game.Tests.Visual.Gameplay
             AddStep(@"locally available state", () => downloadButton.SetDownloadState(DownloadState.LocallyAvailable));
             AddStep(@"not downloaded state", () => downloadButton.SetDownloadState(DownloadState.NotDownloaded));
             createButton(false);
+            createButtonNoScore();
         }
 
         private void createButton(bool withReplay)
@@ -40,6 +41,22 @@ namespace osu.Game.Tests.Visual.Gameplay
                     Origin = Anchor.Centre,
                 };
             });
+
+            AddUntilStep("wait for load", () => downloadButton.IsLoaded);
+        }
+
+        private void createButtonNoScore()
+        {
+            AddStep("create button with null score", () =>
+            {
+                Child = downloadButton = new TestReplayDownloadButton(null)
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                };
+            });
+
+            AddUntilStep("wait for load", () => downloadButton.IsLoaded);
         }
 
         private ScoreInfo getScoreInfo(bool replayAvailable)
diff --git a/osu.Game/Screens/Ranking/ReplayDownloadButton.cs b/osu.Game/Screens/Ranking/ReplayDownloadButton.cs
index 347fcb5f6e..9d4e3af230 100644
--- a/osu.Game/Screens/Ranking/ReplayDownloadButton.cs
+++ b/osu.Game/Screens/Ranking/ReplayDownloadButton.cs
@@ -26,7 +26,7 @@ namespace osu.Game.Screens.Ranking
                 if (State.Value == DownloadState.LocallyAvailable)
                     return ReplayAvailability.Local;
 
-                if (!string.IsNullOrEmpty(Model.Value.Hash))
+                if (!string.IsNullOrEmpty(Model.Value?.Hash))
                     return ReplayAvailability.Online;
 
                 return ReplayAvailability.NotAvailable;