def test_get(self):
ps = PowerSet()
self.assertEqual(ps.get('abc'), False)
ps.put('abc')
ps.put('def')
ps.put('ghx')
ps.put('cvb')
self.assertEqual(ps.get('abc'), True)
self.assertEqual(ps.get('abc1'), False)
self.assertEqual(ps.get('def'), True)
self.assertEqual(ps.get('ghx'), True)
self.assertEqual(ps.get('cvb'), True)
def test_remove(self):
ps = PowerSet()
ps.put('abc')
ps.put('def')
ps.put('ghx')
ps.put('cvb')
self.assertEqual(ps.get('abc'), True)
self.assertEqual(ps.get('def'), True)
self.assertEqual(ps.get('ghx'), True)
self.assertEqual(ps.get('cvb'), True)
self.assertEqual(ps.remove('abc'), True)
self.assertEqual(ps.get('abc'), False)
self.assertEqual(ps.size(), 3)
self.assertEqual(ps.remove('abc1'), False)
self.assertEqual(ps.size(), 3)
self.assertEqual(ps.remove('abc'), False)
self.assertEqual(ps.size(), 3)
self.assertEqual(ps.remove('def'), True)
self.assertEqual(ps.get('def'), False)
self.assertEqual(ps.size(), 2)
self.assertEqual(ps.remove('ghx'), True)
self.assertEqual(ps.get('ghx'), False)
self.assertEqual(ps.size(), 1)
self.assertEqual(ps.remove('cvb'), True)
self.assertEqual(ps.get('cvb'), False)
self.assertEqual(ps.size(), 0)
self.assertEqual(ps.remove('111111'), False)
self.assertEqual(ps.size(), 0)
ps.put('cvb')
self.assertEqual(ps.remove('cvb'), True)
self.assertEqual(ps.get('cvb'), False)
self.assertEqual(ps.size(), 0)