detecting polymorphic virtual methods properly

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

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

@@ -0,0 +1,36 @@
+import director_detect 
+
+class MyBar(director_detect.Bar):
+  def __init__(self, val = 2):
+    director_detect.Bar.__init__(self)
+    self.val = val
+
+  def get_value(self):
+    self.val += 1
+    return self.val
+  
+  def get_class(self):
+    self.val += 1
+    return director_detect.A()
+
+  def just_do_it(self):
+    self.val += 1
+
+  def clone(self):
+    return MyBar(self.val)
+  pass
+
+
+b = MyBar()
+
+f = b.base()
+
+v = f.get_value()
+a = f.get_class()
+f.just_do_it()
+
+c = b.clone()
+vc = c.get_value()
+
+if (v != 3) or (b.val != 5) or (vc != 6):
+  raise RuntimeError,"Bad virtual detection"