Add basic pause tests

osu.Game.Tests/Visual/TestCasePause.cs

@@ -0,0 +1,47 @@
+// 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 System;
+using osu.Game.Rulesets;
+using osu.Game.Rulesets.Osu;
+using osu.Game.Rulesets.Scoring;
+using osu.Game.Screens.Play;
+
+namespace osu.Game.Tests.Visual
+{
+    public class TestCasePause : TestCasePlayer
+    {
+        public TestCasePause()
+            : base(new OsuRuleset())
+        {
+        }
+
+        protected override Player CreatePlayer(Ruleset ruleset) => new PausePlayer();
+
+        protected override void AddCheckSteps(Func<Player> player)
+        {
+            PausePlayer pausable() => (PausePlayer)player();
+
+            base.AddCheckSteps(player);
+            //AddUntilStep(() => pausable().ScoreProcessor.TotalScore.Value > 0, "score above zero");
+
+            AddStep("pause", () => pausable().PausableGameplayContainer.Pause());
+            AddAssert("clock stopped", () => !pausable().GameplayClockContainer.GameplayClock.IsRunning);
+
+            AddStep("resume", () => pausable().PausableGameplayContainer.Resume());
+            AddUntilStep(() => pausable().GameplayClockContainer.GameplayClock.IsRunning, "clock started");
+
+            AddStep("pause too soon", () => pausable().PausableGameplayContainer.Pause());
+            AddAssert("clock not stopped", () => pausable().GameplayClockContainer.GameplayClock.IsRunning);
+        }
+
+        private class PausePlayer : Player
+        {
+            public new PausableGameplayContainer PausableGameplayContainer => base.PausableGameplayContainer;
+
+            public new GameplayClockContainer GameplayClockContainer => base.GameplayClockContainer;
+
+            public new ScoreProcessor ScoreProcessor => base.ScoreProcessor;
+        }
+    }
+}