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import mobase_tests.shared_cpp_owner as m
class PyBase(m.Base):
def __init__(self, name: str, value: int):
super().__init__(name)
self.value = value
def fn(self):
return f"PyBase.fn({self.value})"
def test_shared_cpp_owner_1():
# create from C++, owned by Python
# create from C++
p = m.create("tmp")
assert m.is_alive("tmp")
# should delete since it's not owner by C++
del p
assert not m.is_alive("tmp")
def test_shared_cpp_owner_2():
# create from C++, owned by C++ (and Python)
# create from C++
p = m.create_and_store("tmp")
assert m.is_alive("tmp")
# should not delete since it's owned by both C++ and Python
del p
assert m.is_alive("tmp")
# clear from C++ should free it
m.clear()
assert not m.is_alive("tmp")
def test_shared_cpp_owner_3():
# create from Python, owned by Python
p = PyBase("foo", 1)
assert m.is_alive("foo")
assert m.call_fn("foo") == "PyBase.fn(1)"
del p
assert not m.is_alive("foo")
def test_shared_cpp_owner_4():
# create from Python, owned by C++
p = PyBase("foo", 2)
assert m.is_alive("foo")
# send to C++
m.store(p)
assert m.is_alive("foo")
assert m.call_fn("foo") == "PyBase.fn(2)"
# delete in Python, should still be alived
del p
assert m.is_alive("foo")
# should still be able to call fn()
assert m.call_fn("foo") == "PyBase.fn(2)"
# clear in C++, should kill Python
m.clear()
assert not m.is_alive("foo")
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