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2026-10-17 21:57:03 +08:00

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import stdio
import string
import testcheck
import remote
# Same-module function (has docstring).
def local_func() -> int:
"Local function docstring."
return 0
# Same-module function (no docstring).
def no_doc_func() -> int:
return 0
# Same-module class (has docstring).
class LocalClass:
"Local class docstring."
value: int
def local_method(self) -> int:
"Local method docstring."
return 0
def _check_doc_adaptive(name: str, doc: str, expected: str):
"""Check docstring: verify when present, treat null as optimized out."""
if doc is None:
testcheck.ok(f"{name}: __doc__ optimized out (null)")
return
if string.strcmp(doc, expected) == 0:
testcheck.ok(f"{name}: __doc__ matches")
else:
testcheck.fail(f"{name}: __doc__ mismatch (got '{doc}', expected '{expected}')")
def _check_doc_null(name: str, doc: str):
"""Check that a symbol's docstring is null."""
if doc is None:
testcheck.ok(f"{name}: __doc__ is null")
else:
testcheck.fail(f"{name}: __doc__ should be null but got '{doc}'")
def test_local_doc():
testcheck.section("Local __doc__")
_check_doc_adaptive("local_func", local_func.__doc__, "Local function docstring.")
_check_doc_adaptive("LocalClass", LocalClass.__doc__, "Local class docstring.")
_check_doc_adaptive("LocalClass.local_method", LocalClass.local_method.__doc__, "Local method docstring.")
_check_doc_null("no_doc_func", no_doc_func.__doc__)
def test_cross_module_doc():
testcheck.section("Cross-module __doc__")
_check_doc_adaptive("remote.remote_func", remote.remote_func.__doc__, "Remote function docstring.")
_check_doc_adaptive("remote.RemoteClass", remote.RemoteClass.__doc__, "Remote class docstring.")
_check_doc_adaptive("remote.RemoteClass.remote_method", remote.RemoteClass.remote_method.__doc__, "Remote method docstring.")
_check_doc_null("remote.no_doc_func", remote.no_doc_func.__doc__)
def main() -> int:
testcheck.begin("DocTest: __doc__ magic string test")
test_local_doc()
test_cross_module_doc()
return testcheck.end()