test_posix.py 文件源码

def test_utime_dir_fd(self):
        f = posix.open(posix.getcwd(), posix.O_RDONLY)
        try:
            now = time.time()
            posix.utime(support.TESTFN, None, dir_fd=f)
            posix.utime(support.TESTFN, dir_fd=f)
            self.assertRaises(TypeError, posix.utime, support.TESTFN, now, dir_fd=f)
            self.assertRaises(TypeError, posix.utime, support.TESTFN, (None, None), dir_fd=f)
            self.assertRaises(TypeError, posix.utime, support.TESTFN, (now, None), dir_fd=f)
            self.assertRaises(TypeError, posix.utime, support.TESTFN, (None, now), dir_fd=f)
            self.assertRaises(TypeError, posix.utime, support.TESTFN, (now, "x"), dir_fd=f)
            posix.utime(support.TESTFN, (int(now), int(now)), dir_fd=f)
            posix.utime(support.TESTFN, (now, now), dir_fd=f)
            posix.utime(support.TESTFN,
                    (int(now), int((now - int(now)) * 1e9)), dir_fd=f)
            posix.utime(support.TESTFN, dir_fd=f,
                            times=(int(now), int((now - int(now)) * 1e9)))

            # try dir_fd and follow_symlinks together
            if os.utime in os.supports_follow_symlinks:
                try:
                    posix.utime(support.TESTFN, follow_symlinks=False, dir_fd=f)
                except ValueError:
                    # whoops!  using both together not supported on this platform.
                    pass

        finally:
            posix.close(f)