commit b2e31a1c63aee016fe457f9328c30d74b746429f
author Benjamin Peterson <benjamin@python.org> Sat Oct 31 03:56:15 2009 +0000
committer Benjamin Peterson <benjamin@python.org> Sat Oct 31 03:56:15 2009 +0000
tree 17e0514e400e7c78ff68ee4ce4fb1327666d96ab
parent 2c970a2ba23eb578923771922b0da2344385c137

add some checks for evaluation order with parenthesis #7210

Lib/test/test_grammar.py

diff --git a/Lib/test/test_grammar.py b/Lib/test/test_grammar.py
index 27966ed..f144ae7 100644
--- a/Lib/test/test_grammar.py
+++ b/Lib/test/test_grammar.py
@@ -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)