def test_primary_float_parsing():
expr = '127902.3180128392820226969'
parser = ExpressionParser(expr)
assert parser.primary() == 127902.3180128392820226969
def test_mult_div():
expr = '782/3.312'
parser = ExpressionParser(expr)
assert parser.multiplication() == 782 / 3.312
def test_mult_combined_with_div():
expr = '25*5/5*2.5'
parser = ExpressionParser(expr)
assert parser.multiplication() == (25 * 5) / (5 * 2.5)
def test_power_squared_root():
expr = '9^0.5'
parser = ExpressionParser(expr)
assert parser.power() == 9**0.5
def test_mult():
expr = '23*-12.29'
parser = ExpressionParser(expr)
assert parser.multiplication() == 23 * (-12.29)
def test_expression_grouping_with_multiple_op():
expr = '(2*(2+2)/4)*2'
parser = ExpressionParser(expr)
assert parser.expression() == (2 * (2 + 2) / 4) * 2
def test_power_power_to_power():
expr = '3^2^3'
parser = ExpressionParser(expr)
assert parser.power() == 3**2**3
def test_unary_with_combined_signs():
expr = '-+-+-+-+-78.92'
parser = ExpressionParser(expr)
assert parser.unary() == -78.92
def test_power_squared():
expr = '2^2'
parser = ExpressionParser(expr)
assert parser.power() == 2**2
def test_unary_with_plus_sign():
expr = '+09.23'
parser = ExpressionParser(expr)
assert parser.unary() == 9.23
def test_unary_with_multiple_plus_signs():
expr = '+++++++++++17.31230'
parser = ExpressionParser(expr)
assert parser.unary() == 17.3123
def test_primary_integer_parsing():
expr = '123'
parser = ExpressionParser(expr)
assert parser.primary() == 123
def test_unary_triple_negation():
expr = '---20'
parser = ExpressionParser(expr)
assert parser.unary() == -20
def test_unary_double_negation():
expr = '--19.60'
parser = ExpressionParser(expr)
assert parser.unary() == 19.60
def test_addition_add_two_numbers():
expr = '1923.1023+12312.13'
parser = ExpressionParser(expr)
assert parser.addition() == 1923.1023 + 12312.13
def test_power_squared_negative():
expr = '-2^2'
parser = ExpressionParser(expr)
assert parser.power() == (-2)**2
def test_addition_subtract_two_numbers():
expr = '45785.0992-598.598'
parser = ExpressionParser(expr)
assert parser.addition() == 45785.0992 - 598.598
def test_expression_grouping_around_primary():
expr = '((((2))))'
parser = ExpressionParser(expr)
assert parser.expression() == 2