cpython

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T

Victor Stinner 01af34a364 [3.13] gh-143050: Correct PyLong_FromString() to use _PyLong_Negate() (#145901 ) (#147437 )

The long_from_string_base() might return a small integer, when the
_pylong.py is used to do conversion.  Hence, we must be careful here to
not smash it "small int" bit by using the _PyLong_FlipSign().

Co-authored-by: Victor Stinner <vstinner@python.org>
(cherry picked from commit db5936c5b8)

Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>

2026-03-31 17:06:38 +02:00

clinic

[3.13] gh-111495: Add PyFile tests (#129449 ) (#129477 )

2025-01-30 20:29:27 +01:00

abstract.c

gh-116417: Move limited C API abstract.c tests to _testlimitedcapi (#116986 )

2024-03-19 10:44:13 +00:00

buffer.c

gh-114685: Check flags in PyObject_GetBuffer() (GH-114707)

2024-01-31 13:11:35 +02:00

bytes.c

gh-87193: Support bytes objects with refcount > 1 in _PyBytes_Resize() (GH-117160)

2024-03-25 16:32:11 +01:00

code.c

C API tests: use special markers to test that output parameters were set (GH-109014)

2023-09-06 22:02:01 +03:00

codec.c

gh-111495: add stub files for C API test modules (GH-111586)

2023-11-01 07:44:54 +02:00

complex.c

gh-116417: Move limited C API complex.c tests to _testlimitedcapi (#117014 )

2024-03-19 17:23:12 +01:00

datetime.c

[3.13] gh-117398: Add datetime C-API type check test for subinterpreters (gh-120463)

2024-06-13 18:30:42 +00:00

dict.c

gh-112075: use per-thread dict version pool (#118676 )

2024-05-07 00:22:26 +00:00

docstring.c

gh-82062: Fix support of parameter defaults on methods in extension modules (GH-115270)

2024-05-02 17:44:33 +03:00

exceptions.c

[3.13] gh-126742: Add _PyErr_SetLocaleString, use it for gdbm & dlerror messages (GH-126746) (GH-128023)

2024-12-17 11:45:29 +00:00

file.c

[3.13] gh-111495: Add PyFile tests (#129449 ) (#129477 )

2025-01-30 20:29:27 +01:00

float.c

gh-116417: Move limited C API abstract.c tests to _testlimitedcapi (#116986 )

2024-03-19 10:44:13 +00:00

gc.c

gh-118362: Fix thread safety around lookups from the type cache in the face of concurrent mutators (#118454 )

2024-05-06 10:50:35 -07:00

getargs.c

gh-68114: Fix handling for removed PyArg_ParseTuple 'w' formatters (GH-8204)

2024-04-23 13:15:15 +02:00

hash.c

gh-113024: C API: Add PyObject_GenericHash() function (GH-113025)

2024-03-22 20:19:10 +02:00

heaptype.c

[3.13] gh-129849: Add tests for Py_tp_bases (GH-143208) (#146226 )

2026-03-21 15:22:45 +05:30

immortal.c

[3.13] gh-143050: Correct PyLong_FromString() to use _PyLong_Negate() (#145901 ) (#147437 )

2026-03-31 17:06:38 +02:00

list.c

gh-116417: Move limited C API list.c tests to _testlimitedcapi (#116602 )

2024-03-18 22:03:55 +01:00

long.c

gh-111140: PyLong_From/AsNativeBytes: Take *flags* rather than just *endianness* (GH-116053)

2024-04-05 16:21:16 +02:00

mem.c

[3.13] gh-129185: Fix PyTraceMalloc_Untrack() at Python exit (#129191 ) (#129217 )

2025-01-23 13:59:19 +01:00

monitoring.c

[3.13] gh-118692: Avoid creating unnecessary StopIteration instances for monitoring (GH-119216) (#119497 )

2024-05-24 10:18:13 +00:00

numbers.c

[3.13] gh-111495: Add tests for PyNumber C API (GH-111996) (#123375 )

2024-09-02 13:11:06 +02:00

object.c

[3.13] gh-118789: Add PyUnstable_Object_ClearWeakRefsNoCallbacks (GH-118807) (#120695 )

2024-06-18 14:54:51 +00:00

parts.h

gh-111997: C-API for signalling monitoring events (#116413 )

2024-05-04 08:23:50 +00:00

pyatomic.c

[3.13] gh-121368: Fix seq lock memory ordering in _PyType_Lookup (GH-121388) (#121505 )

2024-07-08 19:15:58 +00:00

README.txt

gh-104469: Update README.txt for _testcapi (gh-104529)

2023-05-17 12:56:20 +09:00

run.c

gh-118422: Fix run_fileexflags() test (#118429 )

2024-04-30 22:32:55 +02:00

set.c

gh-116417: Move limited C API list.c tests to _testlimitedcapi (#116602 )

2024-03-18 22:03:55 +01:00

structmember.c

gh-47146: Fix reference counting in _testcapi.structmember initializer (GH-106862)

2023-07-21 12:30:14 +03:00

time.c

gh-110850: Add PyTime_TimeRaw() function (#118394 )

2024-05-01 18:05:01 +00:00

tuple.c

[3.13] gh-111495: Add tests for PyTuple C API (GH-118757) (GH-123371)

2024-08-27 12:07:17 +03:00

unicode.c

gh-116417: Move limited C API unicode.c tests to _testlimitedcapi (#116993 )

2024-03-19 12:30:39 +00:00

util.h

gh-109469: Silence compiler warnings on string comparisons in _testcapi (GH-109533)

2023-09-19 08:12:29 +03:00

vectorcall.c

[3.13] gh-136288: Fix error message in _testcapi/vectorcall.c (GH-136258) (GH-136295)

2025-07-04 16:17:10 +00:00

watchers.c

[3.13] gh-146615: Fix format specifiers in test cextensions (GH-146618) (GH-146653)

2026-03-31 08:38:59 +00:00

README.txt

Tests in this directory are compiled into the _testcapi extension.
The main file for the extension is Modules/_testcapimodule.c, which
calls `_PyTestCapi_Init_*` from these functions.

General guideline when writing test code for C API.
* Use Argument Clinic to minimise the amount of boilerplate code.
* Add a newline between the argument spec and the docstring.
* If a test description is needed, make sure the added docstring clearly and succinctly describes purpose of the function.
* DRY, use the clone feature of Argument Clinic.
* Try to avoid adding new interned strings; reuse existing parameter names if possible. Use the `as` feature of Argument Clinic to override the C variable name, if needed.