Port NullStream.CopyTo override from corert (dotnet#7589)

EgorBo · Oct 12, 2016 · 55febd0 · 55febd0
1 parent abcb7d9
commit 55febd0
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/mscorlib/src/System/IO/Stream.cs b/src/mscorlib/src/System/IO/Stream.cs
@@ -880,6 +880,13 @@ public override long Position {
                 set {}
             }
 
+            public override void CopyTo(Stream destination, int bufferSize)
+            {
+                StreamHelpers.ValidateCopyToArgs(this, destination, bufferSize);
+
+                // After we validate arguments this is a nop.
+            }
+
             public override Task CopyToAsync(Stream destination, int bufferSize, CancellationToken cancellationToken)
             {
                 // Validate arguments here for compat, since previously this method