pybind11/tests/test_copy_move_policies.py

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import pytest
def test_lacking_copy_ctor():
from pybind11_tests import lacking_copy_ctor
with pytest.raises(RuntimeError) as excinfo:
lacking_copy_ctor.get_one()
assert "the object is non-copyable!" in str(excinfo.value)
def test_lacking_move_ctor():
from pybind11_tests import lacking_move_ctor
with pytest.raises(RuntimeError) as excinfo:
lacking_move_ctor.get_one()
assert "the object is neither movable nor copyable!" in str(excinfo.value)