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