def test_negative(self):
shift = Shift(self.bank, self.main, -2)
shift.reset(self.machine)
t = shift.process(0, False, 0, 8)
self.assertEqual(t, 1600)
self.assertEqual(self.bank.reads, 1)
self.assertEqual(self.bank.writes, 0)
self.assertEqual(self.main.reads, 1)
self.assertEqual(self.main.writes, 0)
self.assertEqual(self.main.last_addr, 0)
self.assertEqual(self.main.last_size, 8)
self.assertEqual(self.bank.last_addr, 0)
self.assertEqual(self.bank.last_size, 8)
t = shift.process(0, False, 1, 1)
self.assertEqual(t, 200)
self.assertEqual(self.bank.reads, 2)
self.assertEqual(self.bank.writes, 0)
self.assertEqual(self.main.reads, 2)
self.assertEqual(self.main.writes, 0)
self.assertEqual(self.main.last_addr, 1)
self.assertEqual(self.main.last_size, 1)
self.assertEqual(self.bank.last_addr, 1)
self.assertEqual(self.bank.last_size, 1)
t = shift.process(0, True, 1, 1)
self.assertEqual(t, 200)
self.assertEqual(self.bank.reads, 2)
self.assertEqual(self.bank.writes, 1)
self.assertEqual(self.main.reads, 2)
self.assertEqual(self.main.writes, 1)
self.assertEqual(self.main.last_addr, 1)
self.assertEqual(self.main.last_size, 1)
self.assertEqual(self.bank.last_addr, 1)
self.assertEqual(self.bank.last_size, 1)
t = shift.process(0, True, 9, 4)
self.assertEqual(t, 800)
self.assertEqual(self.bank.reads, 2)
self.assertEqual(self.bank.writes, 2)
self.assertEqual(self.main.reads, 2)
self.assertEqual(self.main.writes, 2)
self.assertEqual(self.main.last_addr, 9)
self.assertEqual(self.main.last_size, 4)
self.assertEqual(self.bank.last_addr, (1 << 30) | 1)
self.assertEqual(self.bank.last_size, 4)
def test_positive(self):
shift = Shift(self.bank, self.main, 1)
shift.reset(self.machine)
t = shift.process(0, False, 0, 8)
self.assertEqual(t, 1600)
self.assertEqual(self.bank.reads, 1)
self.assertEqual(self.bank.writes, 0)
self.assertEqual(self.main.reads, 1)
self.assertEqual(self.main.writes, 0)
self.assertEqual(self.main.last_addr, 0)
self.assertEqual(self.main.last_size, 8)
self.assertEqual(self.bank.last_addr, 0)
self.assertEqual(self.bank.last_size, 8)
t = shift.process(0, False, 1, 1)
self.assertEqual(t, 200)
self.assertEqual(self.bank.reads, 2)
self.assertEqual(self.bank.writes, 0)
self.assertEqual(self.main.reads, 2)
self.assertEqual(self.main.writes, 0)
self.assertEqual(self.main.last_addr, 1)
self.assertEqual(self.main.last_size, 1)
self.assertEqual(self.bank.last_addr, 1)
self.assertEqual(self.bank.last_size, 1)
t = shift.process(0, True, 1, 1)
self.assertEqual(t, 200)
self.assertEqual(self.bank.reads, 2)
self.assertEqual(self.bank.writes, 1)
self.assertEqual(self.main.reads, 2)
self.assertEqual(self.main.writes, 1)
self.assertEqual(self.main.last_addr, 1)
self.assertEqual(self.main.last_size, 1)
self.assertEqual(self.bank.last_addr, 1)
self.assertEqual(self.bank.last_size, 1)
t = shift.process(0, False, 16, 8)
self.assertEqual(t, 1600)
self.assertEqual(self.bank.reads, 3)
self.assertEqual(self.bank.writes, 1)
self.assertEqual(self.main.reads, 3)
self.assertEqual(self.main.writes, 1)
self.assertEqual(self.main.last_addr, 16)
self.assertEqual(self.main.last_size, 8)
self.assertEqual(self.bank.last_addr, 32)
self.assertEqual(self.bank.last_size, 8)
t = shift.process(0, False, 1 << 31, 4)
self.assertEqual(t, 800)
self.assertEqual(self.bank.reads, 4)
self.assertEqual(self.bank.writes, 1)
self.assertEqual(self.main.reads, 4)
self.assertEqual(self.main.writes, 1)
self.assertEqual(self.main.last_addr, 1 << 31)
self.assertEqual(self.main.last_size, 4)
self.assertEqual(self.bank.last_addr, 8)
self.assertEqual(self.bank.last_size, 4)
t = shift.process(0, False, 105, 2)
self.assertEqual(t, 400)
self.assertEqual(self.bank.reads, 5)
self.assertEqual(self.bank.writes, 1)
self.assertEqual(self.main.reads, 5)
self.assertEqual(self.main.writes, 1)
self.assertEqual(self.main.last_addr, 105)
self.assertEqual(self.main.last_size, 2)
self.assertEqual(self.bank.last_addr, 209)
self.assertEqual(self.bank.last_size, 2)
