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from __future__ import annotations
import pytest
from pybind11_tests import class_sh_mi_thunks as m
def test_ptrdiff_drvd_base0():
ptrdiff = m.ptrdiff_drvd_base0()
# A failure here does not (necessarily) mean that there is a bug, but that
# test_class_sh_mi_thunks is not exercising what it is supposed to.
# If this ever fails on some platforms: use pytest.skip()
# If this ever fails on all platforms: don't know, seems extremely unlikely.
assert ptrdiff != 0
@pytest.mark.parametrize(
"vec_size_fn",
[
m.vec_size_base0_raw_ptr,
m.vec_size_base0_shared_ptr,
],
)
@pytest.mark.parametrize(
"get_fn",
[
m.get_drvd_as_base0_raw_ptr,
m.get_drvd_as_base0_shared_ptr,
m.get_drvd_as_base0_unique_ptr,
],
)
def test_get_vec_size_raw_shared(get_fn, vec_size_fn):
obj = get_fn()
assert vec_size_fn(obj) == 5
@pytest.mark.parametrize(
"get_fn", [m.get_drvd_as_base0_raw_ptr, m.get_drvd_as_base0_unique_ptr]
)
def test_get_vec_size_unique(get_fn):
obj = get_fn()
assert m.vec_size_base0_unique_ptr(obj) == 5
with pytest.raises(ValueError, match="Python instance was disowned"):
m.vec_size_base0_unique_ptr(obj)
def test_get_shared_vec_size_unique():
obj = m.get_drvd_as_base0_shared_ptr()
with pytest.raises(ValueError) as exc_info:
m.vec_size_base0_unique_ptr(obj)
assert (
str(exc_info.value) == "Cannot disown external shared_ptr (load_as_unique_ptr)."
)
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