def test_works_well(self):
"""Make sure that _sched_piece() works well"""
idx = (i for i in xrange(64))
sched = _sched_piece(idx, 19, 16, 8)
self.assertEquals(next(sched), (0, 0, 8))
self.assertEquals(next(sched), (0, 8, 8))
self.assertEquals(next(sched), (1, 0, 3))
def test_checks_parameters(self):
"""Make sure it raises RuntimeError if passed invalid parameters"""
idx = (i for i in xrange(64))
sched = _sched_piece(idx, 19, 16, 81)
self.assertRaises(RuntimeError, next, sched)
