class TestMemoryManager(unittest.TestCase):
def setUp(self):
self.memory = MemoryManager(None, 32)
self.memory.clear()
def testInnerConsistency(self):
for i in range(0, 128, 4):
self.memory[i] = 0xFF000000
self.assertEqual(len(self.memory.memory), 4)
self.memory[128] = 0x0
self.assertEqual(len(self.memory.memory), 5)
def testSimpleAllocation(self):
self.memory[0x00000004] = 0x2
self.assertEqual(self.memory[0x4], 0x2)
self.memory[0x0008, 2] = 0xFFFF
self.memory[0x000A, 2] = 0xAAAA
self.assertEqual(self.memory[0x0008, 4], 0xAAAAFFFF)
self.memory[0x0010, 1] = 0xAAFF
self.memory[0x0011, 1] = 0xEEEE
self.assertEqual(self.memory[0x0010, 4], 0x0000EEFF)
self.memory[0x0002] = 0xABCD0A0A
self.assertEqual(self.memory[0x0002], 0x0A0A)
def testMemoryBounds(self):
self.assertRaises(MIPS_Exception, self.memory.__getitem__, 0xFFFFFFFF0)
self.assertEqual(self.memory[0xFFFFFFFF], 0)
def testAlignmentChecks(self):
self.assertRaises(MIPS_Exception, self.memory.getWord, 0x0003)
self.assertRaises(MIPS_Exception, self.memory.getWord, 0x0002)
self.assertRaises(MIPS_Exception, self.memory.getHalf, 0x0003)
self.assertRaises(MIPS_Exception, self.memory.getWord, 0x0001)
self.assertRaises(MIPS_Exception, self.memory.setWord, 0x0003, 0xFFFF)
self.assertRaises(MIPS_Exception, self.memory.setWord, 0x0002, 0xFFFF)
self.assertRaises(MIPS_Exception, self.memory.setHalf, 0x0003, 0xFFFF)
self.assertRaises(MIPS_Exception, self.memory.setWord, 0x0001, 0xFFFF)
self.assertEqual(self.memory.getWord(0x0000), 0)
self.assertEqual(self.memory.getHalf(0x0002), 0)
self.assertEqual(self.memory.getByte(0x0003), 0)
def setUp(self):
self.memory = MemoryManager(None, 32)
self.memory.clear()
