Fixed edit mode, clear continuations and runners on run mode change, edit mode unit tests

Assets/Tests/Editor/WhenAnyTestEditor.cs

@@ -0,0 +1,44 @@
+#if CSHARP_7_OR_LATER || (UNITY_2018_3_OR_NEWER && (NET_STANDARD_2_0 || NET_4_6))
+#pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
+
+using UnityEngine;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using UnityEngine.UI;
+using UnityEngine.Scripting;
+using UniRx;
+using UniRx.Async;
+using Unity.Collections;
+using System.Threading;
+using NUnit.Framework;
+using UnityEngine.TestTools;
+using FluentAssertions;
+
+namespace UniRx.AsyncTests
+{
+    public class WhenAnyTest
+    {
+        [UnityTest]
+        public IEnumerator WhenAnyCanceled() => UniTask.ToCoroutine(async () =>
+        {
+            var cts = new CancellationTokenSource();
+            var successDelayTask = UniTask.Delay(TimeSpan.FromSeconds(1));
+            var cancelTask = UniTask.Delay(TimeSpan.FromSeconds(1), cancellationToken: cts.Token);
+            cts.CancelAfterSlim(200);
+
+            try
+            {
+                var r = await UniTask.WhenAny(new[] { successDelayTask, cancelTask });
+            }
+            catch (Exception ex)
+            {
+                ex.Should().BeAssignableTo<OperationCanceledException>();
+            }
+        });
+    }
+}
+
+#endif