mirror of
https://github.com/pybind/pybind11.git
synced 2024-12-01 17:37:15 +00:00
62 lines
1.5 KiB
Python
62 lines
1.5 KiB
Python
# -*- coding: utf-8 -*-
|
|
import pytest
|
|
|
|
from pybind11_tests import variant_unique_shared as m
|
|
|
|
|
|
def test_default_constructed():
|
|
v = m.vptr_double()
|
|
assert v.ownership_type() == 0
|
|
assert v.get_value() == -1
|
|
|
|
|
|
def test_from_raw():
|
|
v = m.from_raw()
|
|
assert v.ownership_type() == 0
|
|
assert v.get_value() == 3
|
|
|
|
|
|
def test_from_unique():
|
|
v = m.from_unique()
|
|
assert v.ownership_type() == 0
|
|
assert v.get_value() == 5
|
|
|
|
|
|
def test_from_shared():
|
|
v = m.from_shared()
|
|
assert v.ownership_type() == 1
|
|
assert v.get_value() == 7
|
|
|
|
|
|
def test_promotion_to_shared():
|
|
v = m.from_raw()
|
|
v.get_unique()
|
|
assert v.ownership_type() == 0
|
|
v.get_shared() # Promotion to shared_ptr.
|
|
assert v.ownership_type() == 1
|
|
v.get_shared() # Existing shared_ptr.
|
|
with pytest.raises(RuntimeError) as exc_info:
|
|
v.get_unique()
|
|
assert str(exc_info.value) == "get_unique failure."
|
|
v.get_shared() # Still works.
|
|
|
|
|
|
def test_shared_from_birth():
|
|
v = m.from_shared()
|
|
assert v.ownership_type() == 1
|
|
with pytest.raises(RuntimeError) as exc_info:
|
|
v.get_unique()
|
|
assert str(exc_info.value) == "get_unique failure."
|
|
v.get_shared() # Still works.
|
|
|
|
|
|
def test_promotion_of_disowned_to_shared():
|
|
v = m.from_unique()
|
|
assert v.get_value() == 5
|
|
v.disown_unique()
|
|
assert v.ownership_type() == 0
|
|
assert v.get_value() == -1
|
|
v.get_shared() # Promotion of disowned to shared_ptr.
|
|
assert v.ownership_type() == 1
|
|
assert v.get_value() == -1
|