| # -*- coding: utf-8 -*- | |
| """ | |
| A test helper for seeing what happens when slp_switch() | |
| fails. | |
| """ | |
| # pragma: no cover | |
| import greenlet | |
| print('fail_slp_switch is running', flush=True) | |
| runs = [] | |
| def func(): | |
| runs.append(1) | |
| greenlet.getcurrent().parent.switch() | |
| runs.append(2) | |
| greenlet.getcurrent().parent.switch() | |
| runs.append(3) | |
| g = greenlet._greenlet.UnswitchableGreenlet(func) | |
| g.switch() | |
| assert runs == [1] | |
| g.switch() | |
| assert runs == [1, 2] | |
| g.force_slp_switch_error = True | |
| # This should crash. | |
| g.switch() | |