mypyc/test-data/run-bools.test

# Test cases for booleans (compile and run)

[case testTrueAndFalse]
def t() -> bool:
    return True

def f() -> bool:
    return False
[file driver.py]
from native import t, f
print(t())
print(f())
[out]
True
False

[case testBoolOps]
def f(x: bool) -> bool:
    if x:
        return False
    else:
        return True

def test_if() -> None:
    assert f(True) is False
    assert f(False) is True

def test_bitwise_and() -> None:
    # Use eval() to avoid constand folding
    t = eval('True')  # type: bool
    f = eval('False')  # type: bool
    assert t & t == True
    assert t & f == False
    assert f & t == False
    assert f & f == False
    t &= t
    assert t == True
    t &= f
    assert t == False

def test_bitwise_or() -> None:
    # Use eval() to avoid constand folding
    t = eval('True')  # type: bool
    f = eval('False')  # type: bool
    assert t | t == True
    assert t | f == True
    assert f | t == True
    assert f | f == False
    t |= f
    assert t == True
    f |= t
    assert f == True

def test_bitwise_xor() -> None:
    # Use eval() to avoid constand folding
    t = eval('True')  # type: bool
    f = eval('False')  # type: bool
    assert t ^ t == False
    assert t ^ f == True
    assert f ^ t == True
    assert f ^ f == False
    t ^= f
    assert t == True
    t ^= t
    assert t == False
    f ^= f
    assert f == False