Minor improvements to virtual dispatch tests

tests/Native/VirtualTests.cpp

@@ -11,7 +11,11 @@ int NumberClass::Number () const
 }
 int NumberClass::NegativeNumber () const
 {
-	return -(this->num);
+	return -(this->Number ());
+}
+NumberClass::~NumberClass ()
+{
+	this->num = 0;
 }
 
 
@@ -60,4 +64,8 @@ ClassThatOverridesStuff::ClassThatOverridesStuff (int num, int my)
 int ClassThatOverridesStuff::Number () const
 {
 	return this->myNum;
+}
+int ClassThatOverridesStuff::BaseNumber () const
+{
+	return this->NumberClass::Number ();
 }

tests/Native/VirtualTests.h

@@ -4,8 +4,9 @@ protected:
 	int num;
 public:
 	NumberClass (int n);
-	virtual int Number () const;
 	virtual int NegativeNumber () const;
+	virtual int Number () const;
+	virtual ~NumberClass ();
 };
 
 class AdderClass : public NumberClass {
@@ -48,4 +49,5 @@ protected:
 public:
 	ClassThatOverridesStuff (int num, int my);
 	virtual int Number () const;
+	virtual int BaseNumber () const;
 };

tests/VirtualTests.cs

@@ -74,7 +74,8 @@ namespace Tests {
 			var cls = new ClassThatOverridesStuff (5, 3);
 			Assert.AreEqual (3, cls.Number, "#1");
 			Assert.AreEqual (3, ((NumberClass)cls).Number, "#2");
-			Assert.AreEqual (-5, cls.NegativeNumber, "#3");
+			Assert.AreEqual (-3, cls.NegativeNumber, "#3");
+			Assert.AreEqual (5, cls.BaseNumber, "#4");
 		}