detecting polymorphic virtual methods properly

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@5511 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/ruby/director_detect_runme.rb

@@ -0,0 +1,43 @@
+require 'director_detect'
+
+class MyBar < Director_detect::Bar
+  def initialize(v)
+    @val = v
+  end
+
+  def get_value
+    @val = @val + 1
+  end
+  
+  def get_class
+    @val = @val + 1
+    Director_detect::A
+  end
+
+  def just_do_it
+    @val = @val + 1
+  end
+
+  def clone
+    MyBar.new(@val)
+  end
+
+  def val
+    @val
+  end
+end
+
+
+b = MyBar.new(2)
+
+f = b
+
+v = f.get_value
+a = f.get_class
+f.just_do_it
+
+c = b.clone
+vc = c.get_value
+
+raise RuntimeError if (v != 3) || (b.val != 5) || (vc != 6)
+