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[parent directory]
__pycache__/	dir	-	0755	2026-08-19 08:39:33
__init__.py	file	2,917 B	0644	2026-07-20 00:00:00	edit
_cibw_runner.py	file	173 B	0644	2026-07-20 00:00:00	edit
_helpers.py	file	405 B	0644	2026-07-20 00:00:00	edit
test_bigint_as_string.py	file	2,238 B	0644	2026-07-20 00:00:00	edit
test_bitsize_int_as_string.py	file	4,535 B	0644	2026-07-20 00:00:00	edit
test_check_circular.py	file	1,579 B	0644	2026-07-20 00:00:00	edit
test_decimal.py	file	2,544 B	0644	2026-07-20 00:00:00	edit
test_decode.py	file	7,470 B	0644	2026-07-20 00:00:00	edit
test_default.py	file	221 B	0644	2026-07-20 00:00:00	edit
test_dump.py	file	17,600 B	0644	2026-07-20 00:00:00	edit
test_encode_basestring_ascii.py	file	2,337 B	0644	2026-07-20 00:00:00	edit
test_encode_for_html.py	file	1,515 B	0644	2026-07-20 00:00:00	edit
test_errors.py	file	3,503 B	0644	2026-07-20 00:00:00	edit
test_fail.py	file	6,454 B	0644	2026-07-20 00:00:00	edit
test_float.py	file	1,983 B	0644	2026-07-20 00:00:00	edit
test_for_json.py	file	4,126 B	0644	2026-07-20 00:00:00	edit
test_free_threading.py	file	3,169 B	0644	2026-07-20 00:00:00	edit
test_indent.py	file	2,568 B	0644	2026-07-20 00:00:00	edit
test_item_sort_key.py	file	1,376 B	0644	2026-07-20 00:00:00	edit
test_iterable.py	file	2,580 B	0644	2026-07-20 00:00:00	edit
test_namedtuple.py	file	7,391 B	0644	2026-07-20 00:00:00	edit
test_pass1.py	file	1,746 B	0644	2026-07-20 00:00:00	edit
test_pass2.py	file	386 B	0644	2026-07-20 00:00:00	edit
test_pass3.py	file	482 B	0644	2026-07-20 00:00:00	edit
test_raw_json.py	file	1,062 B	0644	2026-07-20 00:00:00	edit
test_recursion.py	file	1,679 B	0644	2026-07-20 00:00:00	edit
test_scanstring.py	file	12,098 B	0644	2026-07-20 00:00:00	edit
test_separators.py	file	942 B	0644	2026-07-20 00:00:00	edit
test_speedups.py	file	12,590 B	0644	2026-07-20 00:00:00	edit
test_str_subclass.py	file	740 B	0644	2026-07-20 00:00:00	edit
test_subclass.py	file	1,124 B	0644	2026-07-20 00:00:00	edit
test_subinterpreters.py	file	4,639 B	0644	2026-07-20 00:00:00	edit
test_tool.py	file	2,996 B	0644	2026-07-20 00:00:00	edit
test_tuple.py	file	1,831 B	0644	2026-07-20 00:00:00	edit
test_unicode.py	file	7,056 B	0644	2026-07-20 00:00:00	edit

editing: test_free_threading.py

"""Tests that exercise the C extension from multiple threads.

These tests pass on any Python build but their real purpose is to
catch data races on free-threaded builds (PEP 703) where the GIL is
disabled. The test_free_threading CI job runs these with
``PYTHON_GIL=0`` on a free-threaded interpreter.
"""
import sys
import threading
from unittest import TestCase

import simplejson
from simplejson.tests._helpers import skip_if_speedups_missing

class TestFreeThreading(TestCase):
    """Exercise the C extension from multiple threads simultaneously."""

N_THREADS = 8
    N_ITER = 500

def _run_threads(self, worker):
        if sys.platform == 'emscripten':
            self.skipTest("threads not available on Emscripten")
        errors = []

def wrapped():
            try:
                worker()
            except BaseException as e:
                errors.append(e)

threads = [threading.Thread(target=wrapped)
                   for _ in range(self.N_THREADS)]
        for t in threads:
            t.start()
        for t in threads:
            t.join()
        if errors:
            raise errors[0]

@skip_if_speedups_missing
    def test_concurrent_encode(self):
        data = {
            "numbers": list(range(64)),
            "nested": {"key": "value", "list": [1, 2.5, None, True, False]},
            "string": "hello \u00e9 world",
        }
        expected = simplejson.dumps(data, sort_keys=True)

def worker():
            for _ in range(self.N_ITER):
                self.assertEqual(
                    simplejson.dumps(data, sort_keys=True), expected)

self._run_threads(worker)

@skip_if_speedups_missing
    def test_concurrent_decode(self):
        raw = (
            '{"numbers": [1, 2, 3, 4, 5], '
            '"nested": {"a": "b", "c": [true, false, null]}, '
            '"string": "hello"}'
        )
        expected = simplejson.loads(raw)

def worker():
            for _ in range(self.N_ITER):
                self.assertEqual(simplejson.loads(raw), expected)

self._run_threads(worker)

@skip_if_speedups_missing
    def test_concurrent_encode_decode(self):
        """Mix encode and decode on the same data across threads."""
        data = {"items": list(range(32)), "flag": True, "name": "mix"}
        raw = simplejson.dumps(data, sort_keys=True)

def worker():
            for _ in range(self.N_ITER):
                s = simplejson.dumps(data, sort_keys=True)
                self.assertEqual(s, raw)
                self.assertEqual(simplejson.loads(s), data)

self._run_threads(worker)

@skip_if_speedups_missing
    def test_shared_encoder_instance(self):
        """A single encoder/decoder instance used by many threads."""
        enc = simplejson.JSONEncoder(sort_keys=True)
        dec = simplejson.JSONDecoder()
        data = {"a": 1, "b": [1, 2, 3], "c": {"nested": True}}
        raw = enc.encode(data)

def worker():
            for _ in range(self.N_ITER):
                self.assertEqual(enc.encode(data), raw)
                self.assertEqual(dec.decode(raw), data)

self._run_threads(worker)

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