Bug #1473625: stop cPickle making float dumps locale dependent in protocol 0.

On the way, add a decorator to test_support to facilitate running single
test functions in different locales with automatic cleanup.

1 files changed, 7 insertions, 1 deletions

diff --git a/Lib/test/pickletester.py b/Lib/test/pickletester.py
index 85e1dea064..5b9da56d40 100644
--- a/Lib/test/pickletester.py
+++ b/Lib/test/pickletester.py
@@ -4,7 +4,8 @@ import cPickle
 import pickletools
 import copy_reg
 
-from test.test_support import TestFailed, have_unicode, TESTFN
+from test.test_support import TestFailed, have_unicode, TESTFN, \
+                              run_with_locale
 
 # Tests that try a number of pickle protocols should have a
 #     for proto in protocols:
@@ -527,6 +528,11 @@ class AbstractPickleTests(unittest.TestCase):
             got = self.loads(p)
             self.assertEqual(n, got)
 
+    @run_with_locale('LC_ALL', 'de_DE', 'fr_FR')
+    def test_float_format(self):
+        # make sure that floats are formatted locale independent
+        self.assertEqual(self.dumps(1.2)[0:3], 'F1.')
+
     def test_reduce(self):
         pass