def test_copy(self):
d = SplayDict.fromkeys(['a', 'b'], 1)
e = d.copy()
self.assertIsNot(d, e)
self.assertIn('a', e)
self.assertIn('b', e)
self.assertEqual(e['a'], 1)
self.assertEqual(e['b'], 1)
def test_clear(self):
s = "String1235"
d = SplayDict.fromkeys(['a', 'b'], 1)
d.clear()
self.assertEqual(len(d), 0, "Length of a cleared dict should be 0")
self.assertIs(d.get('b'), None,
"Default return value should be none for .get()")
self.assertIs(d.get('b', s), s,
"Default kwarg for .get() should be respected")
def test_fromkeys(self):
"""A splaydict created using fromkeys must contain the keys it was created from."""
d = SplayDict.fromkeys(['a', 'b', 'c'], 1)
self.assertIn('a', d)
self.assertIn('b', d)
self.assertIn('c', d)
self.assertEqual(d['a'], 1)
self.assertEqual(d['b'], 1)
self.assertEqual(d['c'], 1)