def test_positive(self):
pf = Prefetch(self.main, 8)
pf.reset(self.machine)
t = pf.process(0, False, 0, 1)
self.machine.time += t
self.assertEqual(t, 100)
self.assertEqual(self.main.last_addr, 8)
self.assertEqual(self.main.last_size, 1)
t = pf.process(0, False, 0, 1)
self.machine.time += t
self.assertEqual(t, 200)
self.assertEqual(self.main.last_addr, 8)
self.assertEqual(self.main.last_size, 1)
t = pf.process(0, True, 16, 4)
self.machine.time += t
self.assertEqual(t, 500)
self.assertEqual(self.main.last_addr, 16)
self.assertEqual(self.main.last_size, 4)
def test_path(self):
pf = Prefetch(self.main, 0)
self.assertEqual(pf.get_path_length(), 0)
def test_cost(self):
pf = Prefetch(self.main, 0)
self.assertEqual(pf.get_cost(), 0)
def test_simplify2(self):
pf = Prefetch(self.main, 0)
simplified = pf.simplify()
self.assertEqual(self.main, simplified)
def test_simplify1(self):
pf = Prefetch(self.main, 8)
simplified = pf.simplify()
self.assertEqual(pf, simplified)