class TestCpu(unittest.TestCase):
def setUp(self):
self.pcb = Pcb()
self.cpu = Cpu(Memory())
def test_set_current_pcb_sets_current_pcb(self):
self.assertIsNone(self.cpu.get_pcb(), "Current PCB not set correctly")
self.cpu.set_current_pcb(self.pcb)
self.assertEquals(self.cpu.get_pcb(), self.pcb,
"Current PCB not set correctly")
def test_fetch(self):
self.expectedFailures()
def test_fetch_increments_pcb_pc(self):
self.assertEquals(first, second, msg)
class TestCpu(unittest.TestCase):
def setUp(self):
self.pcb = Pcb()
self.cpu = Cpu( Memory() )
def test_set_current_pcb_sets_current_pcb(self):
self.assertIsNone(self.cpu.get_pcb(), "Current PCB not set correctly")
self.cpu.set_current_pcb(self.pcb)
self.assertEquals(self.cpu.get_pcb(), self.pcb, "Current PCB not set correctly")
def test_fetch(self):
self.expectedFailures()
def test_fetch_increments_pcb_pc(self):
self.assertEquals(first, second, msg)
def setUp(self):
self.memory = Memory()
self.memory.put(1, Instruction("CPU Instruction", True ))
self.memory.put(2, Instruction("IO Instruction", False ))
self.irq_manager = IrqManager()
self.cpu = Cpu(self.memory, self.irq_manager)
self.pcb = Pcb(0, 1, 2)
class TestCpu(unittest.TestCase):
def setUp(self):
self.memory = Memory()
self.memory.put(1, Instruction("CPU Instruction", True ))
self.memory.put(2, Instruction("IO Instruction", False ))
self.irq_manager = IrqManager()
self.cpu = Cpu(self.memory, self.irq_manager)
self.pcb = Pcb(0, 1, 2)
def test_when_fetch_without_pcb_then_throws_exception(self):
with self.assertRaises(NoPcbSetException):
self.cpu.__fetch()
def test_when_fetch_with_pcb_and_no_interruption_then_executes_instruction(self):
self.cpu.set_current_pcb(self.pcb)
def test_when_fetch_with_pcb_and_interruption_ocurrs_then_delegates_to_int_mgr(self):
pass
def setUp(self):
self.pcb = Pcb()
self.cpu = Cpu( Memory() )
def setUp(self):
self.pcb = Pcb()
self.cpu = Cpu(Memory())
