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import unittest
from test import test_support
class DictSetTest(unittest.TestCase):
def test_constructors_not_callable(self):
kt = type({}.keys())
self.assertRaises(TypeError, kt, {})
self.assertRaises(TypeError, kt)
it = type({}.items())
self.assertRaises(TypeError, it, {})
self.assertRaises(TypeError, it)
vt = type({}.values())
self.assertRaises(TypeError, vt, {})
self.assertRaises(TypeError, vt)
def test_dict_keys(self):
d = {1: 10, "a": "ABC"}
keys = d.keys()
self.assertEqual(set(keys), {1, "a"})
self.assertEqual(len(keys), 2)
self.assert_(1 in keys)
self.assert_("a" in keys)
self.assert_(10 not in keys)
self.assert_("Z" not in keys)
def test_dict_items(self):
d = {1: 10, "a": "ABC"}
items = d.items()
self.assertEqual(set(items), {(1, 10), ("a", "ABC")})
self.assertEqual(len(items), 2)
self.assert_((1, 10) in items)
self.assert_(("a", "ABC") in items)
self.assert_((1, 11) not in items)
self.assert_(1 not in items)
self.assert_(() not in items)
self.assert_((1,) not in items)
self.assert_((1, 2, 3) not in items)
def test_dict_values(self):
d = {1: 10, "a": "ABC"}
values = d.values()
self.assertEqual(set(values), {10, "ABC"})
self.assertEqual(len(values), 2)
def test_main():
test_support.run_unittest(DictSetTest)
if __name__ == "__main__":
test_main()
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