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-rw-r--r--Lib/test/test_collections.py12
1 files changed, 12 insertions, 0 deletions
diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py
index 0207823f5a..a8d3337ef5 100644
--- a/Lib/test/test_collections.py
+++ b/Lib/test/test_collections.py
@@ -411,6 +411,18 @@ class TestNamedTuple(unittest.TestCase):
self.assertIs(P.m.__doc__, Q.o.__doc__)
self.assertIs(P.n.__doc__, Q.p.__doc__)
+ @support.cpython_only
+ def test_field_repr(self):
+ Point = namedtuple('Point', 'x y')
+ self.assertEqual(repr(Point.x), "_tuplegetter(0, 'Alias for field number 0')")
+ self.assertEqual(repr(Point.y), "_tuplegetter(1, 'Alias for field number 1')")
+
+ Point.x.__doc__ = 'The x-coordinate'
+ Point.y.__doc__ = 'The y-coordinate'
+
+ self.assertEqual(repr(Point.x), "_tuplegetter(0, 'The x-coordinate')")
+ self.assertEqual(repr(Point.y), "_tuplegetter(1, 'The y-coordinate')")
+
def test_name_fixer(self):
for spec, renamed in [
[('efg', 'g%hi'), ('efg', '_1')], # field with non-alpha char