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-rw-r--r--Lib/test/test_array.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/test/test_array.py b/Lib/test/test_array.py
index bdcd125..11184ad 100644
--- a/Lib/test/test_array.py
+++ b/Lib/test/test_array.py
@@ -40,6 +40,12 @@ class MiscTest(unittest.TestCase):
self.assertRaises(TypeError, array.array, 'xx')
self.assertRaises(ValueError, array.array, 'x')
+ @support.cpython_only
+ def test_immutable(self):
+ # bpo-43908: check that array.array is immutable
+ with self.assertRaises(TypeError):
+ array.array.foo = 1
+
def test_empty(self):
# Exercise code for handling zero-length arrays
a = array.array('B')