Add testcase virtual_vs_nonvirtual_base as a regression test for SF#3124665.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12715 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/virtual_vs_nonvirtual_base.i

@@ -0,0 +1,48 @@
+%module virtual_vs_nonvirtual_base;
+// Regression test for SF#3124665.
+%inline {
+
+class SimpleVirtual
+{
+	public:
+		virtual int implementMe() = 0;
+};
+
+class SimpleNonVirtual
+{
+	public:
+		int dummy() { return 0; }
+};
+
+class SimpleReturnClass
+{
+	public:
+		SimpleReturnClass(int i) : value(i) {};
+		int get() const { return value; }
+	private:
+		int value;
+};
+
+class SimpleClassFail : public SimpleVirtual
+{
+	public:
+		SimpleClassFail() : inner(10) {}
+		SimpleReturnClass getInner() { return inner; }
+		
+		virtual int implementMe() { return 0; }
+	private:
+		SimpleReturnClass inner;
+};
+
+class SimpleClassWork : public SimpleNonVirtual
+{
+	public:
+		SimpleClassWork() : inner(10) {}
+		SimpleReturnClass getInner() { return inner; }
+		
+		virtual int implementMe() { return 0; }
+	private:
+		SimpleReturnClass inner;
+};
+
+}