Add new and improved wxInputStream and wxOutputStream support.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@69808 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

unittests/test_stream.py

@@ -0,0 +1,44 @@
+import imp_unittest, unittest
+import wtc
+import wx
+import os
+from cStringIO import StringIO
+
+
+pngFile = os.path.join(os.path.dirname(__file__), 'toucan.png')
+
+#---------------------------------------------------------------------------
+
+class stream_Tests(wtc.WidgetTestCase):
+
+    def test_inputStreamParam(self):
+        # This tests being able to pass a Python file-like object to a
+        # wrapped function expecting a wxInputStream.
+        
+        # First, load the image data into a StringIO object
+        stream = StringIO(open(pngFile, 'rb').read())
+        
+        # Then use it to create a wx.Image
+        img = wx.Image(stream)
+        self.assertTrue(img.IsOk())
+        
+    def test_outputStreamParam(self):
+        # This tests being able to pass a Python file-like object to a
+        # wrapped function expecting a wxOytputStream.
+
+        image = wx.Image(pngFile)
+        stream = StringIO()
+        image.SaveFile(stream, wx.BITMAP_TYPE_PNG)
+        del image
+        
+        stream = StringIO(stream.getvalue())        
+        image = wx.Image(stream)
+        self.assertTrue(image.IsOk())
+        
+        
+        
+#---------------------------------------------------------------------------
+
+
+if __name__ == '__main__':
+    unittest.main()