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-rw-r--r--Lib/test/test_collections.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py
index 73ae62a..edffbbe 100644
--- a/Lib/test/test_collections.py
+++ b/Lib/test/test_collections.py
@@ -46,6 +46,7 @@ class TestNamedTuple(unittest.TestCase):
self.assertEqual(repr(p), 'Point(x=11, y=22)')
self.assert_('__dict__' not in dir(p)) # verify instance has no dict
self.assert_('__weakref__' not in dir(p))
+ self.assertEqual(p, Point._cast([11, 22])) # test _cast classmethod
self.assertEqual(p._fields, ('x', 'y')) # test _fields attribute
self.assertEqual(p._replace(x=1), (1, 22)) # test _replace method
self.assertEqual(p._asdict(), dict(x=11, y=22)) # test _asdict method
@@ -90,12 +91,14 @@ class TestNamedTuple(unittest.TestCase):
def test_odd_sizes(self):
Zero = namedtuple('Zero', '')
self.assertEqual(Zero(), ())
+ self.assertEqual(Zero._cast([]), ())
self.assertEqual(repr(Zero()), 'Zero()')
self.assertEqual(Zero()._asdict(), {})
self.assertEqual(Zero()._fields, ())
Dot = namedtuple('Dot', 'd')
self.assertEqual(Dot(1), (1,))
+ self.assertEqual(Dot._cast([1]), (1,))
self.assertEqual(Dot(1).d, 1)
self.assertEqual(repr(Dot(1)), 'Dot(d=1)')
self.assertEqual(Dot(1)._asdict(), {'d':1})
@@ -108,6 +111,7 @@ class TestNamedTuple(unittest.TestCase):
Big = namedtuple('Big', names)
b = Big(*range(n))
self.assertEqual(b, tuple(range(n)))
+ self.assertEqual(Big._cast(range(n)), tuple(range(n)))
for pos, name in enumerate(names):
self.assertEqual(getattr(b, name), pos)
repr(b) # make sure repr() doesn't blow-up