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]
from typing import Optional, Any
MYPY = False
if MYPY:
    from mypy_extensions import i64

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 constant folding
    t: bool = eval('True')
    f: bool = eval('False')
    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 constant folding
    t: bool = eval('True')
    f: bool = eval('False')
    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 constant folding
    t: bool = eval('True')
    f: bool = eval('False')
    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

def test_isinstance_bool() -> None:
    a = True
    b = 1.0
    c = 1
    d = False
    assert isinstance(a, bool) == True
    assert isinstance(b, bool) == False
    assert isinstance(c, bool) == False
    assert isinstance(d, bool) == True

class C: pass
class D:
    def __init__(self, b: bool) -> None:
        self.b = b

    def __bool__(self) -> bool:
        return self.b

class E: pass
class F(E):
    def __init__(self, b: bool) -> None:
        self.b = b

    def __bool__(self) -> bool:
        return self.b

def optional_to_bool1(o: Optional[C]) -> bool:
    return bool(o)

def optional_to_bool2(o: Optional[D]) -> bool:
    return bool(o)

def optional_to_bool3(o: Optional[E]) -> bool:
    return bool(o)

def test_optional_to_bool() -> None:
    assert not optional_to_bool1(None)
    assert optional_to_bool1(C())
    assert not optional_to_bool2(None)
    assert not optional_to_bool2(D(False))
    assert optional_to_bool2(D(True))
    assert not optional_to_bool3(None)
    assert optional_to_bool3(E())
    assert not optional_to_bool3(F(False))
    assert optional_to_bool3(F(True))

def test_any_to_bool() -> None:
    a: Any = int()
    b: Any = a + 1
    assert not bool(a)
    assert bool(b)

def eq(x: bool, y: bool) -> bool:
    return x == y

def ne(x: bool, y: bool) -> bool:
    return x != y

def lt(x: bool, y: bool) -> bool:
    return x < y

def le(x: bool, y: bool) -> bool:
    return x <= y

def gt(x: bool, y: bool) -> bool:
    return x > y

def ge(x: bool, y: bool) -> bool:
    return x >= y

def test_comparisons() -> None:
    for x in True, False:
        for y in True, False:
            x2: Any = x
            y2: Any = y
            assert eq(x, y) == (x2 == y2)
            assert ne(x, y) == (x2 != y2)
            assert lt(x, y) == (x2 < y2)
            assert le(x, y) == (x2 <= y2)
            assert gt(x, y) == (x2 > y2)
            assert ge(x, y) == (x2 >= y2)

def eq_mixed(x: bool, y: int) -> bool:
    return x == y

def neq_mixed(x: int, y: bool) -> bool:
    return x != y

def lt_mixed(x: bool, y: int) -> bool:
    return x < y

def gt_mixed(x: int, y: bool) -> bool:
    return x > y

def test_mixed_comparisons() -> None:
    for x in True, False:
        for n in -(1 << 70), -123, 0, 1, 1753, 1 << 70:
            assert eq_mixed(x, n) == (int(x) == n)
            assert neq_mixed(n, x) == (n != int(x))
            assert lt_mixed(x, n) == (int(x) < n)
            assert gt_mixed(n, x) == (n > int(x))

def add(x: bool, y: bool) -> int:
    return x + y

def add_mixed(b: bool, n: int) -> int:
    return b + n

def sub_mixed(n: int, b: bool) -> int:
    return n - b

def test_arithmetic() -> None:
    for x in True, False:
        for y in True, False:
            assert add(x, y) == int(x) + int(y)
        for n in -(1 << 70), -123, 0, 1, 1753, 1 << 70:
            assert add_mixed(x, n) == int(x) + n
            assert sub_mixed(n, x) == n - int(x)

def add_mixed_i64(b: bool, n: i64) -> i64:
    return b + n

def sub_mixed_i64(n: i64, b: bool) -> i64:
    return n - b

def test_arithmetic_i64() -> None:
    for x in True, False:
        for n in -(1 << 62), -123, 0, 1, 1753, 1 << 62:
            assert add_mixed_i64(x, n) == int(x) + n
            assert sub_mixed_i64(n, x) == n - int(x)

def eq_mixed_i64(x: bool, y: i64) -> bool:
    return x == y

def neq_mixed_i64(x: i64, y: bool) -> bool:
    return x != y

def lt_mixed_i64(x: bool, y: i64) -> bool:
    return x < y

def gt_mixed_i64(x: i64, y: bool) -> bool:
    return x > y

def test_mixed_comparisons_i64() -> None:
    for x in True, False:
        for n in -(1 << 62), -123, 0, 1, 1753, 1 << 62:
            assert eq_mixed_i64(x, n) == (int(x) == n)
            assert neq_mixed_i64(n, x) == (n != int(x))
            assert lt_mixed_i64(x, n) == (int(x) < n)
            assert gt_mixed_i64(n, x) == (n > int(x))

[case testBoolMixInt]
y = False
print((y or 0) and True)
[out]
0