import sys

def test_macport():
    if sys.platform == 'darwin':
        import wx

        from kiva.quartz import get_macport

        class SimpleWindow(wx.Frame):
            """
            Simple test of get_macport().
            """
            def __init__(self):
                wx.Frame.__init__(self, parent=None, id=-1, title="foo",
                                   pos=(100,100),
                                   size=(300,300))
                oldstyle = self.GetWindowStyle()
                oldstyle = oldstyle | wx.FULL_REPAINT_ON_RESIZE
                self.SetWindowStyle(oldstyle)
                self.Show(1)
                self.Bind(wx.EVT_PAINT, self.OnPaint)
                self.memdc = wx.MemoryDC()
                self.bitmap = wx.EmptyBitmap(200,200)
                self.memdc.SelectObject(self.bitmap)

            def OnPaint(self, evt):
                dc = wx.PaintDC(self)
                print "paintdc.this:", dc.this
                print "paintdc.macport: %x" % get_macport(dc)
                print "memdc.this:", self.memdc.this
                print "memdc.macport: %x" % get_macport(self.memdc)

                # We're done here
                self.Close()

        class MyApp(wx.App):
            def OnInit(self):
                w = SimpleWindow()
                return 1

        app = MyApp(False)
        app.MainLoop()