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import pytest
def test_error_already_set(msg):
from pybind11_tests import throw_already_set
with pytest.raises(RuntimeError) as excinfo:
throw_already_set(False)
assert msg(excinfo.value) == "Unknown internal error occurred"
with pytest.raises(ValueError) as excinfo:
throw_already_set(True)
assert msg(excinfo.value) == "foo"
def test_python_call_in_catch():
from pybind11_tests import python_call_in_destructor
d = {}
assert python_call_in_destructor(d) is True
assert d["good"] is True
def test_custom(msg):
from pybind11_tests import (MyException, MyException5, MyException5_1,
throws1, throws2, throws3, throws4, throws5, throws5_1,
throws_logic_error)
# Can we catch a MyException?"
with pytest.raises(MyException) as excinfo:
throws1()
assert msg(excinfo.value) == "this error should go to a custom type"
# Can we translate to standard Python exceptions?
with pytest.raises(RuntimeError) as excinfo:
throws2()
assert msg(excinfo.value) == "this error should go to a standard Python exception"
# Can we handle unknown exceptions?
with pytest.raises(RuntimeError) as excinfo:
throws3()
assert msg(excinfo.value) == "Caught an unknown exception!"
# Can we delegate to another handler by rethrowing?
with pytest.raises(MyException) as excinfo:
throws4()
assert msg(excinfo.value) == "this error is rethrown"
# "Can we fall-through to the default handler?"
with pytest.raises(RuntimeError) as excinfo:
throws_logic_error()
assert msg(excinfo.value) == "this error should fall through to the standard handler"
# Can we handle a helper-declared exception?
with pytest.raises(MyException5) as excinfo:
throws5()
assert msg(excinfo.value) == "this is a helper-defined translated exception"
# Exception subclassing:
with pytest.raises(MyException5) as excinfo:
throws5_1()
assert msg(excinfo.value) == "MyException5 subclass"
assert isinstance(excinfo.value, MyException5_1)
with pytest.raises(MyException5_1) as excinfo:
throws5_1()
assert msg(excinfo.value) == "MyException5 subclass"
with pytest.raises(MyException5) as excinfo:
try:
throws5()
except MyException5_1:
raise RuntimeError("Exception error: caught child from parent")
assert msg(excinfo.value) == "this is a helper-defined translated exception"
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