test_thread.py

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from __future__ import annotations
 
import sys
import threading
 
import pytest
 
from pybind11_tests import thread as m
 
 
class Thread(threading.Thread):
    def __init__(self, fn):
        super().__init__()
        self.fn = fn
        self.e = None
 
    def run(self):
        try:
            for i in range(10):
                self.fn(i, i)
        except Exception as e:
            self.e = e
 
    def join(self):
        super().join()
        if self.e:
            raise self.e
 
 
@pytest.mark.skipif(sys.platform.startswith("emscripten"), reason="Requires threads")
def test_implicit_conversion():
    a = Thread(m.test)
    b = Thread(m.test)
    c = Thread(m.test)
    for x in [a, b, c]:
        x.start()
    for x in [c, b, a]:
        x.join()
 
 
@pytest.mark.skipif(sys.platform.startswith("emscripten"), reason="Requires threads")
def test_implicit_conversion_no_gil():
    a = Thread(m.test_no_gil)
    b = Thread(m.test_no_gil)
    c = Thread(m.test_no_gil)
    for x in [a, b, c]:
        x.start()
    for x in [c, b, a]:
        x.join()