From: Benjamin Peterson <benjamin@python.org>
Date: Sat, 31 Oct 2009 03:56:15 +0000 (+0000)
Subject: add some checks for evaluation order with parenthesis #7210
X-Git-Tag: v2.7a1~186
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b2e31a1c63aee016fe457f9328c30d74b746429f;p=thirdparty%2FPython%2Fcpython.git

add some checks for evaluation order with parenthesis #7210
---

diff --git a/Lib/test/test_grammar.py b/Lib/test/test_grammar.py
index 27966ed58284..f144ae782e5a 100644
--- a/Lib/test/test_grammar.py
+++ b/Lib/test/test_grammar.py
@@ -966,6 +966,14 @@ hello world
         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)