+ # Context test
+ r = add_context(han, ctx, "sched_switch", "channel0")
+ self.assertGreaterEqual(r, 0, strerror(r))
+ # Any channel
+ r = add_context(han, ctx, "sched_wakeup", None)
+ self.assertGreaterEqual(r, 0, strerror(r))
+ # All events
+ r = add_context(han, ctx, None, None)
+ self.assertGreaterEqual(r, 0, strerror(r))