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-rw-r--r--Lib/test/test_builtin.py12
-rw-r--r--Lib/test/test_itertools.py12
2 files changed, 24 insertions, 0 deletions
diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py
index 61155799c4..1100c49e9b 100644
--- a/Lib/test/test_builtin.py
+++ b/Lib/test/test_builtin.py
@@ -1477,6 +1477,18 @@ class BuiltinTest(unittest.TestCase):
z1 = zip(a, b)
self.check_iter_pickle(z1, t, proto)
+ def test_zip_bad_iterable(self):
+ exception = TypeError()
+
+ class BadIterable:
+ def __iter__(self):
+ raise exception
+
+ with self.assertRaises(TypeError) as cm:
+ zip(BadIterable())
+
+ self.assertIs(cm.exception, exception)
+
def test_format(self):
# Test the basic machinery of the format() builtin. Don't test
# the specifics of the various formatters
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py
index 573739fde1..98b8c83731 100644
--- a/Lib/test/test_itertools.py
+++ b/Lib/test/test_itertools.py
@@ -971,6 +971,18 @@ class TestBasicOps(unittest.TestCase):
self.pickletest(proto, zip_longest("abc", "defgh", fillvalue=1))
self.pickletest(proto, zip_longest("", "defgh"))
+ def test_zip_longest_bad_iterable(self):
+ exception = TypeError()
+
+ class BadIterable:
+ def __iter__(self):
+ raise exception
+
+ with self.assertRaises(TypeError) as cm:
+ zip_longest(BadIterable())
+
+ self.assertIs(cm.exception, exception)
+
def test_bug_7244(self):
class Repeater: