def test_append(self):
a = solists.List()
self.assertEqual(a, [])
a.append(1)
self.assertEqual(a, [1])
a.append(2)
a.append(3)
self.assertEqual(a, [1, 2, 3])
def test_prepend(self):
a = solists.List()
self.assertEqual(a, [])
a.prepend(1)
self.assertEqual(a, [1])
a.prepend(2)
a.prepend(3)
self.assertEqual(a, [3, 2, 1])
def test_eq(self):
a = solists.List()
self.assertEqual(a, [])
a.extend((1, 2, 3))
self.assertEqual(a, [1, 2, 3])
self.assertNotEqual(a, [])
self.assertNotEqual(a, [1, 2])
self.assertNotEqual(a, [1, 2, 4])
self.assertNotEqual(a, [1, 2, 3, 4])
def test_extend(self):
a = solists.List()
self.assertEqual(a, [])
a.extend([1, 2, 3])
self.assertEqual(a, [1, 2, 3])
a.extend([])
self.assertEqual(a, [1, 2, 3])
a.extend((4, 5, 6, 7))
self.assertEqual(a, [1, 2, 3, 4, 5, 6, 7])
a.extend([('A', 'B'), (2.5, 5.1)])
self.assertEqual(a, [1, 2, 3, 4, 5, 6, 7, ('A', 'B'), (2.5, 5.1)])
def test_erase(self):
a = solists.List()
self.assertEqual(a, [])
a.erase(1)
self.assertEqual(a, [])
a = solists.List.from_iterable([1, 2, 3, 3, 3, 5])
self.assertEqual(a, [1, 2, 3, 3, 3, 5])
a.erase(3)
self.assertEqual(a, [1, 2, 5])
a.erase(4)
self.assertEqual(a, [1, 2, 5])
def test_contains(self):
a = solists.List()
self.assertFalse(1 in a)
a.extend([1, 2, 3])
self.assertTrue(1 in a)
self.assertEqual(a, [1, 2, 3])
self.assertTrue(2 in a)
self.assertEqual(a, [1, 2, 3])
self.assertTrue(3 in a)
self.assertEqual(a, [1, 2, 3])
self.assertFalse(4 in a)
self.assertEqual(a, [1, 2, 3])
def test_len(self):
a = solists.List()
self.assertEqual(len(a), 0)
a.extend([1, 2, 3])
self.assertEqual(len(a), 3)
def test_init(self):
a = solists.List()
self.assertIsNone(a.head)
self.assertIsNone(a.tail)
self.assertEqual(a.size, 0)