Add wx.EmptyBitmap for compatibility, but mark it as deprecated

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@70614 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

unittests/test_bitmap.py

@@ -23,6 +23,17 @@ class BitmapTests(wtc.WidgetTestCase):
         img = wx.Image(pngFile)
         b6 = wx.Bitmap(img)
         self.assertTrue( b6.IsOk() )
+
+
+    def test_EmptyBitmapFactory(self):
+        # wx.EmptyBitmap is supposed to be deprecated, make sure it is.
+        import warnings
+        with warnings.catch_warnings():
+            warnings.simplefilter("error")        
+            with self.assertRaises(wx.wxPyDeprecationWarning):
+                b7 = wx.EmptyBitmap(5,10, 32)
+                self.assertTrue( b7.IsOk() )
+        
         
         
     def test_Bitmap__nonzero__(self):