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import pytest
def test_yield_in_nested_try_excepts():
#Issue #25612
class MainError(Exception):
pass
class SubError(Exception):
pass
def main():
try:
raise MainError()
except MainError:
try:
yield
except SubError:
pass
raise
coro = main()
coro.send(None)
with pytest.raises(MainError):
coro.throw(SubError())
def test_generator_doesnt_retain_old_exc2():
# Issue bpo 28884#msg282532
# Fixed in CPython via https://github.com/python/cpython/pull/1773
import sys
def g():
try:
raise ValueError
except ValueError:
yield 1
assert sys.exc_info() == (None, None, None)
yield 2
gen = g()
try:
raise IndexError
except IndexError:
assert next(gen) == 1
assert next(gen) == 2
def test_raise_in_generator():
#Issue 25612#msg304117
def g():
yield 1
raise
yield 2
with pytest.raises(ZeroDivisionError):
i = g()
try:
1/0
except:
next(i)
next(i)
def test_assertion_error_global_ignored():
if hasattr(pytest, 'py3k_skip'):
pytest.py3k_skip('only untranslated')
global AssertionError
class Foo(Exception):
pass
OrigAssertionError = AssertionError
AssertionError = Foo
try:
with pytest.raises(OrigAssertionError): # not Foo!
exec("assert 0") # to stop the pytest ast rewriting from touching it
finally:
AssertionError = OrigAssertionError
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