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#!/usr/bin/python
from components.caretaker import Caretaker
import unittest
from random import randint
class CaretakerTest(unittest.TestCase):
def setUp(self):
"""
Init test
"""
self.c=Caretaker(1000)
def test___getitem__(self):
"""
Test if getitem operation follow Mic-1 rules
"""
for toWrite in range(0,127):# Only 7 bit for signed MBR (2^7=127)
self.c["MBR"]=-toWrite
self.assertEqual(self.c["MBRU"],toWrite,"Tested with {}".format(-toWrite))
self.assertEqual(self.c["MBR"],-toWrite,"Tested with {}".format(-toWrite))
for toWrite in range(0,255):# Only 2^8 value for unsigned
self.c["MBR"]=toWrite
self.assertEqual(self.c["MBRU"],toWrite,"Tested with {}".format(toWrite))
if toWrite>127: # We enter in the zone of negative number at 127
self.assertEqual(self.c["MBR"],-((toWrite-1)^0xFF),"Tested with {}".format(toWrite)) # Check if we get the reverse complement
with self.assertRaises(KeyError): # Check it returns a KeyError
self.c["kjhkjhkoih"+str(randint(0,7698))]
# Check outside bound values
with self.assertRaises(Exception):
self.c["MBR"]=-128
with self.assertRaises(Exception):
self.c["MBR"]=256
with self.assertRaises(Exception):
self.c["PC"]=2**32
with self.assertRaises(Exception):
self.c["PC"]=-(2**31)
def test___setitem__(self):
"""
Test if getitem operation follow Mic-1 rules
"""
try:
self.c["RAM"]="Test"
except Exception:
self.fail("Failed to assign RAM to caretaker")
if __name__ == "__main__":
unittest.main()
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