Issue 2582: Fix pickling of range objects.
diff --git a/Lib/test/test_range.py b/Lib/test/test_range.py
index 1fd8f1d..b14a22b 100644
--- a/Lib/test/test_range.py
+++ b/Lib/test/test_range.py
@@ -2,6 +2,7 @@
import test.support, unittest
import sys
+import pickle
import warnings
warnings.filterwarnings("ignore", "integer argument expected",
@@ -61,6 +62,15 @@
self.assertEqual(repr(range(1, 2)), 'range(1, 2)')
self.assertEqual(repr(range(1, 2, 3)), 'range(1, 2, 3)')
+ def test_pickling(self):
+ testcases = [(13,), (0, 11), (-22, 10), (20, 3, -1),
+ (13, 21, 3), (-2, 2, 2)]
+ for proto in range(pickle.HIGHEST_PROTOCOL):
+ for t in testcases:
+ r = range(*t)
+ self.assertEquals(list(pickle.loads(pickle.dumps(r, proto))),
+ list(r))
+
def test_main():
test.support.run_unittest(RangeTest)