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83 lines
2.6 KiB
Python
83 lines
2.6 KiB
Python
# -*- coding: utf-8 -*-
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import pytest
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from pybind11_tests import classh_wip as m
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def test_mpty_constructors():
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e = m.mpty()
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assert e.__class__.__name__ == "mpty"
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e = m.mpty("")
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assert e.__class__.__name__ == "mpty"
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e = m.mpty("txtm")
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assert e.__class__.__name__ == "mpty"
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def test_cast():
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assert m.get_mtxt(m.rtrn_mpty_valu()) == "rtrn_valu"
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assert m.get_mtxt(m.rtrn_mpty_rref()) == "rtrn_rref"
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assert m.get_mtxt(m.rtrn_mpty_cref()) == "rtrn_cref"
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assert m.get_mtxt(m.rtrn_mpty_mref()) == "rtrn_mref"
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assert m.get_mtxt(m.rtrn_mpty_cptr()) == "rtrn_cptr"
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assert m.get_mtxt(m.rtrn_mpty_mptr()) == "rtrn_mptr"
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def test_load():
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assert m.pass_mpty_valu(m.mpty("Valu")) == "pass_valu:Valu"
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assert m.pass_mpty_rref(m.mpty("Rref")) == "pass_rref:Rref"
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assert m.pass_mpty_cref(m.mpty("Cref")) == "pass_cref:Cref"
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assert m.pass_mpty_mref(m.mpty("Mref")) == "pass_mref:Mref"
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assert m.pass_mpty_cptr(m.mpty("Cptr")) == "pass_cptr:Cptr"
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assert m.pass_mpty_mptr(m.mpty("Mptr")) == "pass_mptr:Mptr"
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def test_cast_shared_ptr():
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assert m.get_mtxt(m.rtrn_mpty_shmp()) == "rtrn_shmp"
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assert m.get_mtxt(m.rtrn_mpty_shcp()) == "rtrn_shcp"
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def test_load_shared_ptr():
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assert m.pass_mpty_shmp(m.mpty("Shmp")) == "pass_shmp:Shmp"
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assert m.pass_mpty_shcp(m.mpty("Shcp")) == "pass_shcp:Shcp"
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def test_cast_unique_ptr():
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assert m.get_mtxt(m.rtrn_mpty_uqmp()) == "rtrn_uqmp"
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assert m.get_mtxt(m.rtrn_mpty_uqcp()) == "rtrn_uqcp"
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def test_load_unique_ptr():
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assert m.pass_mpty_uqmp(m.mpty("Uqmp")) == "pass_uqmp:Uqmp"
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assert m.pass_mpty_uqcp(m.mpty("Uqcp")) == "pass_uqcp:Uqcp"
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@pytest.mark.parametrize(
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"pass_mpty, argm, rtrn",
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[
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(m.pass_mpty_uqmp, "Uqmp", "pass_uqmp:Uqmp"),
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(m.pass_mpty_uqcp, "Uqcp", "pass_uqcp:Uqcp"),
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],
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)
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def test_pass_unique_ptr_disowns(pass_mpty, argm, rtrn):
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obj = m.mpty(argm)
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assert pass_mpty(obj) == rtrn
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with pytest.raises(RuntimeError) as exc_info:
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m.pass_mpty_uqmp(obj)
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assert str(exc_info.value) == (
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"Missing value for wrapped C++ type:"
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" Python instance is uninitialized or was disowned."
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)
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def test_unique_ptr_roundtrip(num_round_trips=1000):
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# Multiple roundtrips to stress-test instance registration/deregistration.
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recycled = m.mpty("passenger")
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for _ in range(num_round_trips):
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id_orig = id(recycled)
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recycled = m.unique_ptr_roundtrip(recycled)
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assert m.get_mtxt(recycled) == "passenger"
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id_rtrn = id(recycled)
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# Ensure the returned object is a different Python instance.
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assert id_rtrn != id_orig
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id_orig = id_rtrn
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