Add test coverage of seeking and pausing

osu.Game.Tests/Visual/Gameplay/TestSceneReplayPlayer.cs

@@ -0,0 +1,87 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using NUnit.Framework;
+using osu.Game.Rulesets;
+using osu.Game.Rulesets.Osu;
+using osuTK.Input;
+
+namespace osu.Game.Tests.Visual.Gameplay
+{
+    public class TestSceneReplayPlayer : RateAdjustedBeatmapTestScene
+    {
+        protected TestReplayPlayer Player;
+
+        public override void SetUpSteps()
+        {
+            base.SetUpSteps();
+
+            AddStep("Initialise player", () => Player = CreatePlayer(new OsuRuleset()));
+            AddStep("Load player", () => LoadScreen(Player));
+            AddUntilStep("player loaded", () => Player.IsLoaded);
+        }
+
+        [Test]
+        public void TestPause()
+        {
+            double? lastTime = null;
+
+            AddUntilStep("wait for first hit", () => Player.ScoreProcessor.TotalScore.Value > 0);
+
+            AddStep("Pause playback", () => InputManager.Key(Key.Space));
+
+            AddUntilStep("Time stopped progressing", () =>
+            {
+                double current = Player.GameplayClockContainer.CurrentTime;
+                bool changed = lastTime != current;
+                lastTime = current;
+
+                return !changed;
+            });
+
+            AddWaitStep("wait some", 10);
+
+            AddAssert("Time still stopped", () => lastTime == Player.GameplayClockContainer.CurrentTime);
+        }
+
+        [Test]
+        public void TestSeekBackwards()
+        {
+            double? lastTime = null;
+
+            AddUntilStep("wait for first hit", () => Player.ScoreProcessor.TotalScore.Value > 0);
+
+            AddStep("Seek backwards", () =>
+            {
+                lastTime = Player.GameplayClockContainer.CurrentTime;
+                InputManager.Key(Key.Left);
+            });
+
+            AddAssert("Jumped backwards", () => Player.GameplayClockContainer.CurrentTime - lastTime < 0);
+        }
+
+        [Test]
+        public void TestSeekForwards()
+        {
+            double? lastTime = null;
+
+            AddUntilStep("wait for first hit", () => Player.ScoreProcessor.TotalScore.Value > 0);
+
+            AddStep("Seek forwards", () =>
+            {
+                lastTime = Player.GameplayClockContainer.CurrentTime;
+                InputManager.Key(Key.Right);
+            });
+
+            AddAssert("Jumped forwards", () => Player.GameplayClockContainer.CurrentTime - lastTime > 500);
+        }
+
+        protected TestReplayPlayer CreatePlayer(Ruleset ruleset)
+        {
+            Beatmap.Value = CreateWorkingBeatmap(ruleset.RulesetInfo);
+            SelectedMods.Value = new[] { ruleset.GetAutoplayMod() };
+
+            return new TestReplayPlayer(false);
+        }
+    }
+}