def test_nan():
z = nint32('nan')
assert math.isnan(float(z))
assert math.isnan(z + 1.5)
z = nint32(math.nan)
assert math.isnan(float(z))
assert z != z
def test_comparison():
x = nint32(100)
y = nint32(-500)
assert x > 0
assert x < 200
assert x < 123.4
assert x <= 200
assert 200 >= x
assert x == 100
assert x > y
assert x >= y
assert y < x
assert y <= x
assert x != y
def test_init_bad_arg(arg):
with pytest.raises(TypeError, match='argument must be'):
nint32(arg)
def test_init_arg_too_big(value):
with pytest.raises(OverflowError, match='int too big to convert'):
nint32(value)
def test_other():
z = 1.0 + 2.0j
a = nint32(2)
w = z / a
assert w == z / 2
def test_basic():
x = nint32(3)
assert x == 3
assert int(x) == 3
def test_bool():
assert bool(nint32(123))
assert bool(nint32('nan'))
assert not bool(nint32(0))
def test_nan():
z = nint32(math.nan)
assert math.isnan(float(z))
assert z != z
def test_nan_str(nanstr):
z = nint32(nanstr)
assert math.isnan(float(z))
assert math.isnan(z + 1.5)
def test_true_division():
x = nint32(20)
y = nint32(10)
z = x / y
assert isinstance(z, float)
assert z == 2.0
def test_init_str_type():
x = nint32("123")
assert x == 123
def test_init_np_types(typ):
x = nint32(typ(123))
assert x == 123