Add SetBuffer test to further validate null buffer behavior

dotnet-bot · Jun 14, 2017 · 4826ce0 · 4826ce0
1 parent 5fda93d
commit 4826ce0
Showing 1 changed file with 19 additions and 0 deletions.
diff --git a/src/System.Net.Sockets/tests/FunctionalTests/SocketAsyncEventArgsTest.cs b/src/System.Net.Sockets/tests/FunctionalTests/SocketAsyncEventArgsTest.cs
@@ -156,6 +156,25 @@ public void SetBuffer_InvalidArgs_Throws()
             }
         }
 
+        [Fact]
+        public void SetBuffer_NoBuffer_ResetsCountOffset()
+        {
+            using (var saea = new SocketAsyncEventArgs())
+            {
+                saea.SetBuffer(42, 84);
+                Assert.Equal(0, saea.Offset);
+                Assert.Equal(0, saea.Count);
+
+                saea.SetBuffer(new byte[3], 1, 2);
+                Assert.Equal(1, saea.Offset);
+                Assert.Equal(2, saea.Count);
+
+                saea.SetBuffer(null, 1, 2);
+                Assert.Equal(0, saea.Offset);
+                Assert.Equal(0, saea.Count);
+            }
+        }
+
         [Fact]
         public void SetBufferListWhenBufferSet_Throws()
         {