use assert[Not]In where appropriate
diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py
index fb24d43..90f2609 100644
--- a/Lib/test/test_collections.py
+++ b/Lib/test/test_collections.py
@@ -42,9 +42,9 @@
namedtuple('_', 'a b c') # Test leading underscores in a typename
nt = namedtuple('nt', u'the quick brown fox') # check unicode input
- self.assertTrue("u'" not in repr(nt._fields))
+ self.assertNotIn("u'", repr(nt._fields))
nt = namedtuple('nt', (u'the', u'quick')) # check unicode input
- self.assertTrue("u'" not in repr(nt._fields))
+ self.assertNotIn("u'", repr(nt._fields))
self.assertRaises(TypeError, Point._make, [11]) # catch too few args
self.assertRaises(TypeError, Point._make, [11, 22, 33]) # catch too many args
@@ -73,8 +73,8 @@
self.assertRaises(TypeError, eval, 'Point(XXX=1, y=2)', locals()) # wrong keyword argument
self.assertRaises(TypeError, eval, 'Point(x=1)', locals()) # missing keyword argument
self.assertEqual(repr(p), 'Point(x=11, y=22)')
- self.assertTrue('__dict__' not in dir(p)) # verify instance has no dict
- self.assertTrue('__weakref__' not in dir(p))
+ self.assertNotIn('__dict__', dir(p)) # verify instance has no dict
+ self.assertNotIn('__weakref__', dir(p))
self.assertEqual(p, Point._make([11, 22])) # test _make classmethod
self.assertEqual(p._fields, ('x', 'y')) # test _fields attribute
self.assertEqual(p._replace(x=1), (1, 22)) # test _replace method
@@ -533,10 +533,10 @@
self.assertEqual(c, dict(a=4, b=0, d=-2, e=-5, f=4))
self.assertEqual(''.join(sorted(c.elements())), 'aaaaffff')
self.assertEqual(c.pop('f'), 4)
- self.assertEqual('f' in c, False)
+ self.assertNotIn('f', c)
for i in range(3):
elem, cnt = c.popitem()
- self.assertEqual(elem in c, False)
+ self.assertNotIn(elem, c)
c.clear()
self.assertEqual(c, {})
self.assertEqual(repr(c), 'Counter()')
@@ -595,6 +595,7 @@
c = Counter(a=10, b=-2, c=0)
for elem in c:
self.assertTrue(elem in c)
+ self.assertIn(elem, c)
def test_multiset_operations(self):
# Verify that adding a zero counter will strip zeros and negatives
@@ -693,7 +694,7 @@
pairs = [('c', 1), ('b', 2), ('a', 3), ('d', 4), ('e', 5), ('f', 6)]
od = OrderedDict(pairs)
del od['a']
- self.assertTrue('a' not in od)
+ self.assertNotIn('a', od)
with self.assertRaises(KeyError):
del od['a']
self.assertEqual(list(od.items()), pairs[:2] + pairs[3:])