test_os.py 文件源码

def test_setreuid_neg1(self):
                # Needs to accept -1.  We run this in a subprocess to avoid
                # altering the test runner's process state (issue8045).
                subprocess.check_call([
                        sys.executable, '-c',
                        'import os,sys;os.setreuid(-1,-1);sys.exit(0)'])