added the ruby runtime case and more comments.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@5584 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Examples/test-suite/python/virtual_poly_runme.py

@@ -1,9 +1,11 @@
 import virtual_poly
 
-
 d = virtual_poly.NDouble(3.5)
 i = virtual_poly.NInt(2)
 
+#
+# the copy methods return the right polymorphic types
+# 
 dc = d.copy()
 ic = i.copy()
 
@@ -14,6 +16,14 @@ if i.get() != ic.get():
   raise RuntimeError
 
 
-ddc = virtual_poly.NDouble_dynamic_cast(dc)
+#
+# here this dynamic_cast is not needed at all,
+# but works fine anyway ('nnumber()' returns a NNumber).
+#
+ddc = virtual_poly.NDouble_dynamic_cast(dc.nnumber())
 if d.get() != ddc.get():
   raise RuntimeError
+
+dic = virtual_poly.NInt_dynamic_cast(ic.nnumber())
+if i.get() != dic.get():
+  raise RuntimeError

SWIG/Examples/test-suite/ruby/virtual_poly_runme.rb

@@ -0,0 +1,22 @@
+require 'virtual_poly'
+
+d = Virtual_poly::NDouble.new(3.5)
+i = Virtual_poly::NInt.new(2)
+
+#
+# polymorphic return type working
+#
+dc = d.copy
+ic = i.copy
+
+raise RuntimeError if d.get != dc.get
+raise RuntimeError if i.get != ic.get
+
+#
+# dynamic cast working ('nnumber' returns a NNumber)
+#
+ddc = Virtual_poly.NDouble_dynamic_cast(dc.nnumber)
+raise RuntimeError if d.get != ddc.get 
+
+dic = Virtual_poly.NInt_dynamic_cast(ic.nnumber)
+raise RuntimeError if i.get != dic.get

SWIG/Examples/test-suite/virtual_poly.i

@@ -1,4 +1,15 @@
-%module virtual_poly
+%module(directors="1") virtual_poly
+
+//
+// Check this example with directors wherever is possible.
+// It seems to be a good test since it breaks ruby at least.
+// python works fine with and without directors
+// In theory, Java should starts working with directors,
+// but this is not tested yet (my Java installation is broken).
+//
+//%feature("director");
+
+%newobject *::copy();
 
 
 %inline %{  
@@ -6,6 +17,12 @@
   {
     virtual ~NNumber() {};
     virtual NNumber* copy() const = 0;
+
+    NNumber* nnumber() 
+    {
+      return this;
+    }
+    
   };
   
   /*