Skip to content

Commit

Permalink
Add a better test case for pythongh-92031
Browse files Browse the repository at this point in the history
  • Loading branch information
sweeneyde committed May 8, 2022
1 parent bd030b6 commit b29a96a
Showing 1 changed file with 24 additions and 9 deletions.
33 changes: 24 additions & 9 deletions Lib/test/test_embed.py
Original file line number Diff line number Diff line change
Expand Up @@ -343,19 +343,34 @@ def test_finalize_structseq(self):
out, err = self.run_embedded_interpreter("test_repeated_init_exec", code)
self.assertEqual(out, 'Tests passed\n' * INIT_LOOPS)

@support.skip_if_pgo_task
def test_quickened_static_code_gets_unquickened_at_Py_FINALIZE(self):
# https://github.com/python/cpython/issues/92031
code = """if 1:
from importlib._bootstrap import _handle_fromlist
import dis
for name in dis.opmap:
# quicken this frozen code object.
_handle_fromlist(dis, [name], lambda *args: None)
from dis import _all_opmap
resume = _all_opmap["RESUME"]
resume_quick = _all_opmap["RESUME_QUICK"]
code = f"""if 1:
import importlib._bootstrap
func = importlib._bootstrap._handle_fromlist
code = func.__code__
# Assert initially unquickened.
# Use sets to account for byte order.
if set(code._co_code_adaptive[:2]) != set([{resume}, 0]):
raise AssertionError()
# Warmup
for i in range(30):
func(importlib._bootstrap, ["x"], lambda *args: None)
# Assert quickening worked
if set(code._co_code_adaptive[:2]) != set([{resume_quick}, 0]):
raise AssertionError()
print("Tests passed")
"""
run = self.run_embedded_interpreter
for i in range(50):
out, err = run("test_repeated_init_exec", code, timeout=60)
out, err = run("test_repeated_init_exec", code)
self.assertEqual(out, 'Tests passed\n' * INIT_LOOPS)

def test_ucnhash_capi_reset(self):
# bpo-47182: unicodeobject.c:ucnhash_capi was not reset on shutdown.
Expand Down

0 comments on commit b29a96a

Please sign in to comment.