pygame / test / image_test.py

Diff from to

test/image_test.py

                 pass
 
                 
+    def test_save_colorkey(self):
+        """ make sure the color key is not changed when saving.
+        """
+        s = pygame.Surface((10,10), pygame.SRCALPHA, 32)
+        s.fill((23,23,23))
+        s.set_colorkey((0,0,0))
+        colorkey1 = s.get_colorkey()
+        p1 = s.get_at((0,0))
+        
+        temp_filename = "tmpimg.png"
+        try:
+            pygame.image.save(s, temp_filename)
+            s2 = pygame.image.load(temp_filename)
+        finally:
+            os.remove(temp_filename)
 
 
+        colorkey2 = s.get_colorkey()
+        # check that the pixel and the colorkey is correct.
+        self.assertEqual(colorkey1, colorkey2)
+        self.assertEqual(p1, s2.get_at((0,0)))
+        
+        
+        
+        
     def assertPremultipliedAreEqual(self, string1, string2, source_string):
         self.assertEqual(len(string1), len(string2))
         block_size = 20
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