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import unittest
from test import test_support
class DictSetTest(unittest.TestCase):
def test_dict_keys(self):
d = {1: 10, "a": "ABC"}
keys = d.KEYS()
self.assertEqual(set(keys), {1, "a"})
self.assertEqual(len(keys), 2)
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)
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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