def setUp(self):
self.vmbase = VMBase()
class TestVMBase(unittest.TestCase):
def setUp(self):
self.vmbase = VMBase()
def tearDown(self):
del self.vmbase
def test_creation(self):
self.assertIsInstance(self.vmbase, VMBase)
self.assertTrue(self.vmbase.running)
def testExecuteNextInstruction(self):
self.vmbase.instructions[1] = self.vmStop
self.vmbase.running = True
self.vmbase.position = 100
self.vmbase.ram[100] = 1 << 28
self.vmbase.executeNextInstruction()
self.assertFalse(self.vmbase.running)
def vmStop(self, data):
self.vmbase.running = False
def testSetInstructionPointer(self):
self.vmbase.setInstructionPointer(100)
self.assertEqual(self.vmbase.position, 100)
def testNextInstructionPointer(self):
self.vmbase.setInstructionPointer(100)
self.vmbase.next()
self.assertEqual(self.vmbase.position, 101)
self.vmbase.next()
self.assertEqual(self.vmbase.position, 102)
def testLoadProgram(self):
programData = [1, 2, 3, 4]
self.vmbase.loadProgram(programData)
self.assertEqual(self.vmbase.ram[1], 1)
self.assertEqual(self.vmbase.ram[2], 2)
self.assertEqual(self.vmbase.ram[3], 3)
self.assertEqual(self.vmbase.ram[4], 4)
def testStack(self):
self.vmbase.pushStack(1)
self.vmbase.pushStack(2)
self.vmbase.pushStack(3)
self.assertEqual(self.vmbase.popStack(), 3)
self.assertEqual(self.vmbase.popStack(), 2)
self.assertEqual(self.vmbase.popStack(), 1)
def testEmptyStackPop(self):
self.assertTrue(self.vmbase.running)
self.assertEqual(self.vmbase.status, 0)
self.vmbase.popStack()
self.assertEqual(self.vmbase.status, 1)
self.assertFalse(self.vmbase.running)
def testSetMem(self):
self.vmbase.setMem(100, 111)
self.vmbase.setMem(101, 222)
self.assertEqual(self.vmbase.ram[100], 111)
self.assertEqual(self.vmbase.ram[101], 222)
def testGetMem(self):
self.vmbase.ram[200] = 200
self.vmbase.ram[201] = 201
self.assertEqual(self.vmbase.getMem(200), 200)
self.assertEqual(self.vmbase.getMem(201), 201)
def testGetPointerMem(self):
self.vmbase.ram[200] = 200
self.vmbase.ram[201] = 201
self.vmbase.ram[202] = 202
self.vmbase.setInstructionPointer(200)
self.assertEqual(self.vmbase.getMem(), 200)
self.vmbase.next()
self.assertEqual(self.vmbase.getMem(), 201)
self.vmbase.next()
self.assertEqual(self.vmbase.getMem(), 202)
def testSetGetMem(self):
self.vmbase.setMem(200, 200)
self.vmbase.setMem(201, 201)
self.vmbase.setMem(202, 202)
self.vmbase.setInstructionPointer(200)
self.assertEqual(self.vmbase.getMem(), 200)
self.vmbase.next()
self.assertEqual(self.vmbase.getMem(), 201)
self.vmbase.next()
self.assertEqual(self.vmbase.getMem(), 202)
self.assertEqual(self.vmbase.getMem(200), 200)
self.assertEqual(self.vmbase.getMem(201), 201)
self.assertEqual(self.vmbase.getMem(202), 202)
def testExit(self):
self.assertTrue(self.vmbase.running)
self.assertEqual(self.vmbase.status, 0)
self.vmbase.systemExit(0)
self.assertEqual(self.vmbase.status, 0)
self.assertFalse(self.vmbase.running)
self.vmbase.running = True
self.vmbase.systemExit(1)
self.assertEqual(self.vmbase.status, 1)
self.assertFalse(self.vmbase.running)