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00.未分类/UnitTestProject3/UnitTest2.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace UnitTestProject3
+{
+    [TestClass]
+    public class UnitTest2
+    {
+        [TestMethod]
+        public void TestMethod1()
+        {
+            var a = new B();
+             a.Foo();
+        }
+
+
+        public class A
+        {
+            public virtual void Foo()
+            {
+                return;
+            }
+        }
+
+        public class B : A
+        {
+            public override void Foo()
+            {
+                //return;
+            }
+        }
+    }
+}