Implement MemorySource<TSource>.CopyToAsync via WriteAsync

OronDF343 · OronDF343 · commit 64587e248e87 · 2022-05-24T13:09:34.000+03:00
diff --git a/CommunityToolkit.HighPerformance/Streams/MemoryStream{TSource}.cs b/CommunityToolkit.HighPerformance/Streams/MemoryStream{TSource}.cs
@@ -119,9 +119,13 @@ public sealed override Task CopyToAsync(Stream destination, int bufferSize, Canc
 
         try
         {
-            CopyTo(destination, bufferSize);
+            MemoryStream.ValidateDisposed(this.disposed);
 
-            return Task.CompletedTask;
+            Memory<byte> source = this.source.Memory.Slice(this.position);
+
+            this.position += source.Length;
+
+            return destination.WriteAsync(source, cancellationToken).AsTask();
         }
         catch (OperationCanceledException e)
         {

Original file line number	Diff line number	Diff line change
`@@ -119,9 +119,13 @@ public sealed override Task CopyToAsync(Stream destination, int bufferSize, Canc`
`119`	`119`
`120`	`120`	`try`
`121`	`121`	`{`
`122`		`- CopyTo(destination, bufferSize);`
	`122`	`+ MemoryStream.ValidateDisposed(this.disposed);`
`123`	`123`
`124`		`- return Task.CompletedTask;`
	`124`	`+ Memory<byte> source = this.source.Memory.Slice(this.position);`
	`125`	`+`
	`126`	`+ this.position += source.Length;`
	`127`	`+`
	`128`	`+ return destination.WriteAsync(source, cancellationToken).AsTask();`
`125`	`129`	`}`
`126`	`130`	`catch (OperationCanceledException e)`
`127`	`131`	`{`