def test_validate_parentheses(self):
# true cases
with self.subTest():
self.assertTrue(EP.validate_parentheses(
('(', 'p', ')'))[0])
with self.subTest():
self.assertTrue(EP.validate_parentheses(
('(', '(', 'p', ')', ')'))[0])
with self.subTest():
self.assertTrue(EP.validate_parentheses(
('(', 'p', ')', '+', '(', 'q', ')'))[0])
with self.subTest():
self.assertTrue(EP.validate_parentheses(
('(', '(', 'p', ')', '+', '(', 'q', ')', ')'))[0])
with self.subTest():
self.assertTrue(EP.validate_parentheses(
('p', '+', 'q'))[0])
# false cases
with self.subTest():
self.assertFalse(EP.validate_parentheses(
('(', 'p'))[0])
with self.subTest():
self.assertFalse(EP.validate_parentheses(
('p', ')'))[0])
with self.subTest():
self.assertFalse(EP.validate_parentheses(
('(', '(', 'p', ')'))[0])
with self.subTest():
self.assertFalse(EP.validate_parentheses(
('(', 'p', ')', '+', 'q', ')'))[0])
