def test_str2longdouble_rejects_bytes(s):
with pytest.raises(TypeError):
str2longdouble(s)
def test_str2longdouble_raises_valueerror(s):
with pytest.raises(ValueError):
str2longdouble(s)
def test_str2longdouble_handles_unusual_input(s, v):
if np.isnan(v):
assert np.isnan(str2longdouble(s))
else:
assert str2longdouble(s) == v
def test_longdouble_str_roundtrip_is_exact(i_f):
i, f = i_f
ld = np.longdouble(i) + np.longdouble(f)
assert ld == str2longdouble(longdouble2str(ld))
