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# mode: run
# tag: cpp, cpp11
from libcpp.exception cimport (
exception_ptr,
exception_ptr_error_handler,
make_exception_ptr,
rethrow_exception,
wrapped_exception_ptr_from_exception,
)
cdef extern from *:
"""
void raise_runtime_error() {
throw std::runtime_error("hello");
}
"""
void raise_runtime_error() except +exception_ptr_error_handler
cdef extern from "<stdexcept>" namespace "std" nogil:
cdef cppclass runtime_error:
runtime_error(const char* s)
def test_custom_error_handler():
"""
>>> test_custom_error_handler()
"""
cdef exception_ptr eptr
try:
raise_runtime_error()
except Exception as e:
eptr = wrapped_exception_ptr_from_exception(e)
assert eptr
try:
rethrow_exception(eptr)
except RuntimeError as re: # normal Cython error conversion
assert re.args[0] == "hello"
else:
assert False
else:
assert False
def test_make_directly():
"""
>>> test_make_directly()
"""
eptr = make_exception_ptr(runtime_error("I'm an error"))
try:
rethrow_exception(eptr)
except RuntimeError as re:
assert re.args[0] == "I'm an error"
else:
assert False
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