class SubsetsTestCase(unittest.TestCase):
def setUp(self):
self.obj = Subsets()
def tearDown(self):
del self.obj
def test_subsets(self):
self.assertEqual(self.obj.subsets([]), [[]])
self.assertEqual(self.obj.subsets([1]), [[], [1]])
self.assertEqual(self.obj.subsets([1, 2]), [[], [1], [2], [1, 2]])
self.assertEqual(self.obj.subsets(
[1, 2, 3]), [[], [1], [2], [1, 2], [3], [1, 3], [2, 3], [1, 2, 3]])
def test_subsets_2(self):
self.assertEqual(self.obj.subsets_2([]), [[]])
self.assertEqual(self.obj.subsets_2([1]), [[], [1]])
self.assertEqual(self.obj.subsets_2([1, 2]), [[], [1], [2], [1, 2]])
self.assertEqual(self.obj.subsets_2(
[1, 2, 3]), [[], [1], [2], [1, 2], [3], [1, 3], [2, 3], [1, 2, 3]])
def test_subsets_3(self):
self.assertEqual(self.obj.subsets_3([]), [[]])
self.assertEqual(self.obj.subsets_3([1]), [[1], []])
self.assertEqual(self.obj.subsets_3([1, 2]), [[1, 2], [1], [2], []])
self.assertEqual(self.obj.subsets_3(
[1, 2, 3]), [[1, 2, 3], [1, 2], [1, 3], [1], [2, 3], [2], [3], []])
def test_subsets_4(self):
self.assertEqual(self.obj.subsets_4([]), [[]])
self.assertEqual(self.obj.subsets_4([1]), [[], [1]])
self.assertEqual(self.obj.subsets_4([1, 2]), [[], [1], [1, 2], [2]])
self.assertEqual(self.obj.subsets_4(
[1, 2, 3]), [[], [1], [1, 2], [1, 2, 3], [1, 3], [2], [2, 3], [3]])