Mercurial > cpython-lru_cache-weakref

diff Lib/test/test_parser.py @ 56237:7ee140b7ef93

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fix an ambiguity in the grammar from the implementation of extended unpacking (one which was strangely "resolved" by pgen) This also kills the unused testlist1 rule and fixes parse tree validation of extended unpacking.
author Benjamin Peterson <benjamin@python.org>
date Sun, 27 Sep 2009 02:43:28 +0000
parents adf66b52022d
children b2d90c1c637d
line wrap: on
line diff
--- a/Lib/test/test_parser.py	Sat Sep 26 20:59:11 2009 +0000
+++ b/Lib/test/test_parser.py	Sun Sep 27 02:43:28 2009 +0000
@@ -242,6 +242,12 @@
             (0, '', 2, -1)],
                          terminals)
 
+    def test_extended_unpacking(self):
+        self.check_suite("*a = y")
+        self.check_suite("x, *b, = m")
+        self.check_suite("[*a, *b] = y")
+        self.check_suite("for [*x, b] in x: pass")
+
 
 #
 #  Second, we take *invalid* trees and make sure we get ParserError