def test_eval_reverse_polish_notation_list_simple_case_multiplication(self):
val = [1, 2, "*"]
res = ValueEvaluator.eval_reverse_polish_notation_list(val)
self.assertEqual(2, res)
def test_eval_reverse_polish_notation_list_none(self):
res = ValueEvaluator.eval_reverse_polish_notation_list(None)
self.assertIsNone(res)
def test_eval_reverse_polish_notation_list_simple_case_sub(self):
val = [1, 2, "-"]
res = ValueEvaluator.eval_reverse_polish_notation_list(val)
self.assertEqual(-1, res)
def test_eval_reverse_polish_notation_string_simple_multiply(self):
val = "2 3 *"
res = ValueEvaluator.eval_reverse_polish_notation(val)
self.assertEqual(6, res)
def test_eval_reverse_polish_notation_string_simple_sum(self):
val = "2 3 /"
res = ValueEvaluator.eval_reverse_polish_notation(val)
self.assertEqual(float(2) / 3, res)
def test_eval_reverse_polish_notation_string_simple_sub(self):
val = "2 3 -"
res = ValueEvaluator.eval_reverse_polish_notation(val)
self.assertEqual(-1, res)
def test_eval_reverse_polish_notation_string_simple_sub(self):
val = "2 3 -"
res = ValueEvaluator.eval_reverse_polish_notation(val)
self.assertEqual(-1, res)
def test_eval_reverse_polish_notation_list_simple_case_division(self):
val = [1, 2, "/"]
res = ValueEvaluator.eval_reverse_polish_notation_list(val)
self.assertAlmostEqual(0.5, res)
def test_eval_reverse_polish_notation_list_complex_formula(self):
val = [1, 2, "+", 4, "*", 6, "/", 4, '-']
res = ValueEvaluator.eval_reverse_polish_notation_list(val)
self.assertAlmostEqual(-2, res)
def test_eval_reverse_polish_notation_list_simple_case_sub(self):
val = [1, 2, "-"]
res = ValueEvaluator.eval_reverse_polish_notation_list(val)
self.assertEqual(-1, res)
def test_eval_reverse_polish_notation_list_simple_case_multiplication(
self):
val = [1, 2, "*"]
res = ValueEvaluator.eval_reverse_polish_notation_list(val)
self.assertEqual(2, res)
def test_eval_reverse_polish_notation_list_none(self):
res = ValueEvaluator.eval_reverse_polish_notation_list(None)
self.assertIsNone(res)
def test_eval_reverse_polish_notation_string_simple_sum(self):
val = "2 3 /"
res = ValueEvaluator.eval_reverse_polish_notation(val)
self.assertEqual(float(2) / 3, res)
def test_eval_reverse_polish_notation_string_simple_multiply(self):
val = "2 3 *"
res = ValueEvaluator.eval_reverse_polish_notation(val)
self.assertEqual(6, res)
def test_eval_reverse_polish_notation_list_simple_case_division(self):
val = [1, 2, "/"]
res = ValueEvaluator.eval_reverse_polish_notation_list(val)
self.assertAlmostEqual(0.5, res)
def test_eval_reverse_polish_notation_empty_string(self):
res = ValueEvaluator.eval_reverse_polish_notation("")
self.assertIsNone(res)
def test_eval_reverse_polish_notation_list_complex_formula(self):
val = [1, 2, "+", 4, "*", 6, "/", 4, '-']
res = ValueEvaluator.eval_reverse_polish_notation_list(val)
self.assertAlmostEqual(-2, res)
def test_eval_reverse_polish_notation_empty_string(self):
res = ValueEvaluator.eval_reverse_polish_notation("")
self.assertIsNone(res)
