def test_ignore_underscore_in_numbers():
assert evaluate('1_2.3_4e0_6J') == 12340000j
def test_eulers_number():
assert evaluate('e') is e
def test_complex():
assert evaluate('1+2j 0j -') == 1 + 2j
def test_capital_e():
assert evaluate('2E-2') == .02
def test_thousand_separator():
assert evaluate('1,234 5 +') == 1239
def test_float_without_leading_zero():
assert evaluate('.9') == .9
def test_zero_division(mocked_print):
assert evaluate('1 0 /') is None
mocked_print.assert_called_once_with('ZeroDivisionError')
def test_chr(mocked_print):
assert evaluate('65.1 chr') == 65.1
mocked_print.assert_called_once_with('A')
def test_repeat():
APPEND(7)
assert evaluate('rep +') == 14
def test_sto_rcl(mocked_print):
CLEAR()
assert evaluate('1 2 sto 3 4 + 2 rcl +') == 8
assert evaluate('1 rcl +') is None
mocked_print.assert_called_once_with('KeyError')
def test_empty():
CLEAR()
assert evaluate('') is None
APPEND(1)
assert evaluate('') == 1
def test_pop():
CLEAR()
APPEND(7)
APPEND(8)
assert evaluate('1 del') == 7
assert STACK == [7]
def test_copy_paste(copy_mock):
assert evaluate('pst') == 0j
evaluate('cp')
copy_mock.assert_called_once_with('0j')
def test_add():
assert evaluate('1 +2 +') == 3
def test_percent():
assert evaluate('1 2 %%') == 100.0
def test_distance():
assert evaluate('0 1 0 0 dist2') == 1.0
def test_persian_digits():
assert evaluate('۱ ۲ /') == 0.5
def test_sum_fsum():
CLEAR()
assert evaluate('1 2 3sum') == 6
assert evaluate('6fsum') == 12.0
def test_float():
assert evaluate('1.2 1e2 *') == 120
def test_swap():
CLEAR()
APPEND(1)
APPEND(2)
evaluate('<>')
assert STACK == [2, 1]
def test_cos():
assert evaluate('pi cos') == -1.0
def test_leading_positive_sign():
assert evaluate('+1 -1 +') == 0
def test_factorial():
assert evaluate('3!') == 6
def test_negative():
assert evaluate('-1 -2 -') == 1
def test_invalid_op(mocked_print):
CLEAR()
assert evaluate('sin') is None
mocked_print.assert_called_once_with('Error: not enough arguments')
def test_syntax_error(mocked_print):
assert evaluate('a') is None
mocked_print.assert_called_once_with('SyntaxError')
def test_preserve_stack_on_binary_fail(mocked_print):
CLEAR()
APPEND(1)
evaluate('*')
assert STACK == [1]
mocked_print.assert_called_once_with('Error: not enough arguments')
