[Python-checkins] r75971 - python/trunk/Lib/test/test_grammar.py

[benjamin.peterson]

Author: benjamin.peterson
Date: Sat Oct 31 04:56:15 2009
New Revision: 75971

Log:
add some checks for evaluation order with parenthesis #7210

Modified:
   python/trunk/Lib/test/test_grammar.py

Modified: python/trunk/Lib/test/test_grammar.py
==============================================================================
--- python/trunk/Lib/test/test_grammar.py	(original)
+++ python/trunk/Lib/test/test_grammar.py	Sat Oct 31 04:56:15 2009
@@ -966,6 +966,14 @@
         self.assertEqual((6 / 2 if 1 else 3), 3)
         self.assertEqual((6 < 4 if 0 else 2), 2)
 
+    def test_paren_evaluation(self):
+        self.assertEqual(16 // (4 // 2), 8)
+        self.assertEqual((16 // 4) // 2, 2)
+        self.assertEqual(16 // 4 // 2, 2)
+        self.assertTrue(False is (2 is 3))
+        self.assertFalse((False is 2) is 3)
+        self.assertFalse(False is 2 is 3)
+
 
 def test_main():
     run_unittest(TokenTests, GrammarTests)