Index: test_gzip.py
===================================================================
--- test_gzip.py	(revision 65475)
+++ test_gzip.py	(working copy)
@@ -160,6 +160,15 @@
             self.assertEqual(f.name, self.filename)
             f.close()
 
+    def test_decompress(self):
+
+        for data in (data1, data2):
+            # Testing compress/decompress functions
+            datac = gzip.compress(data)
+            self.assertEqual(type(datac), bytes)
+            # Decompress and test
+            self.assertEqual(gzip.decompress(datac), data)
+        
 def test_main(verbose=None):
     support.run_unittest(TestGzip)