make sure to give a 'as' and 'with' parser warning even after import statements #3936
diff --git a/Lib/test/test_with.py b/Lib/test/test_with.py
index 8242c91..3ba8977 100644
--- a/Lib/test/test_with.py
+++ b/Lib/test/test_with.py
@@ -9,6 +9,7 @@
import sys
import unittest
+import StringIO
from collections import deque
from contextlib import GeneratorContextManager, contextmanager
from test.test_support import run_unittest
@@ -625,12 +626,44 @@
self.fail("ZeroDivisionError should have been raised")
+class NewKeywordsWarningTestCase(unittest.TestCase):
+
+ def check(self, code, word=None):
+ save = sys.stderr
+ sys.stderr = stream = StringIO.StringIO()
+ try:
+ compile(code, "<string>", "exec", 0, True)
+ finally:
+ sys.stderr = save
+ if word:
+ self.assert_("Warning: %r will become a reserved keyword in Python 2.6" % word
+ in stream.getvalue())
+ else:
+ self.assertEqual(stream.getvalue(), "")
+
+ def test_basic(self):
+ self.check("as = 4", "as")
+ self.check("with = 4", "with")
+ self.check("class as: pass", "as")
+ self.check("class with: pass", "with")
+ self.check("obj.as = 4", "as")
+ self.check("with.obj = 4", "with")
+ self.check("def with(): pass", "with")
+ self.check("do(); with = 23", "with")
+
+ def test_after_import(self):
+ # issue 3936
+ self.check("import sys\nas = 4", "as")
+ self.check("import sys\nwith = 4", "with")
+
+
def test_main():
run_unittest(FailureTestCase, NonexceptionalTestCase,
NestedNonexceptionalTestCase, ExceptionalTestCase,
NonLocalFlowControlTestCase,
AssignmentTargetTestCase,
- ExitSwallowsExceptionTestCase)
+ ExitSwallowsExceptionTestCase,
+ NewKeywordsWarningTestCase)
if __name__ == '__main__':