replace tcs blocking task method call (#400)

bitfaster · web-flow · commit 7ddba5ea208f · 2023-09-26T15:30:05.000-07:00
diff --git a/BitFaster.Caching.UnitTests/Scheduler/BackgroundSchedulerTests.cs b/BitFaster.Caching.UnitTests/Scheduler/BackgroundSchedulerTests.cs
@@ -68,14 +68,14 @@ public async Task WhenWorkThrowsLastExceptionIsPopulated()
         [Fact]
         public void WhenBacklogExceededTasksAreDropped()
         {
-            var tcs = new TaskCompletionSource<bool>();
+            var mre = new ManualResetEvent(false);
 
             for (int i = 0; i < BackgroundThreadScheduler.MaxBacklog * 2; i++)
             {
-                scheduler.Run(() => { tcs.Task.Wait(); });
+                scheduler.Run(() => { mre.WaitOne(); });
             }
 
-            tcs.SetResult(true);
+            mre.Set();
 
             scheduler.RunCount.Should().BeCloseTo(BackgroundThreadScheduler.MaxBacklog, 1);
         }

Original file line number	Diff line number	Diff line change
`@@ -68,14 +68,14 @@ public async Task WhenWorkThrowsLastExceptionIsPopulated()`
`68`	`68`	`[Fact]`
`69`	`69`	`public void WhenBacklogExceededTasksAreDropped()`
`70`	`70`	`{`
`71`		`- var tcs = new TaskCompletionSource<bool>();`
	`71`	`+ var mre = new ManualResetEvent(false);`
`72`	`72`
`73`	`73`	`for (int i = 0; i < BackgroundThreadScheduler.MaxBacklog * 2; i++)`
`74`	`74`	`{`
`75`		`- scheduler.Run(() => { tcs.Task.Wait(); });`
	`75`	`+ scheduler.Run(() => { mre.WaitOne(); });`
`76`	`76`	`}`
`77`	`77`
`78`		`- tcs.SetResult(true);`
	`78`	`+ mre.Set();`
`79`	`79`
`80`	`80`	`scheduler.RunCount.Should().BeCloseTo(BackgroundThreadScheduler.MaxBacklog, 1);`
`81`	`81`	`}`