mirror of https://github.com/pybind/pybind11.git
62 lines
1.5 KiB
Python
62 lines
1.5 KiB
Python
# -*- coding: utf-8 -*-
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import pytest
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from pybind11_tests import variant_unique_shared as m
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def test_default_constructed():
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v = m.vptr_double()
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assert v.ownership_type() == 0
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assert v.get_value() == -1
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def test_from_raw():
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v = m.from_raw()
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assert v.ownership_type() == 0
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assert v.get_value() == 3
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def test_from_unique():
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v = m.from_unique()
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assert v.ownership_type() == 0
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assert v.get_value() == 5
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def test_from_shared():
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v = m.from_shared()
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assert v.ownership_type() == 1
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assert v.get_value() == 7
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def test_promotion_to_shared():
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v = m.from_raw()
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v.get_unique()
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assert v.ownership_type() == 0
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v.get_shared() # Promotion to shared_ptr.
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assert v.ownership_type() == 1
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v.get_shared() # Existing shared_ptr.
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with pytest.raises(RuntimeError) as exc_info:
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v.get_unique()
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assert str(exc_info.value) == "get_unique failure."
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v.get_shared() # Still works.
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def test_shared_from_birth():
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v = m.from_shared()
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assert v.ownership_type() == 1
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with pytest.raises(RuntimeError) as exc_info:
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v.get_unique()
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assert str(exc_info.value) == "get_unique failure."
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v.get_shared() # Still works.
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def test_promotion_of_disowned_to_shared():
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v = m.from_unique()
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assert v.get_value() == 5
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v.disown_unique()
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assert v.ownership_type() == 0
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assert v.get_value() == -1
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v.get_shared() # Promotion of disowned to shared_ptr.
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assert v.ownership_type() == 1
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assert v.get_value() == -1
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