manticore/test/test_state.py
Yan dde79a0bab Remove ManticoreControl object [#180] (#4)
* Remove ManticoreControl object
* Some changes were brought in from dev-symbolicate-api
* Add Manticore.terminate()
* Add State.abandon()
* Update sample scripts
* Remove ctl from README
* Fix tests
* Bring in changes from dev-symbolicate-api
* Lower-case wildcard
* string -> cstring
* abandon() docstring
* Rename "name" to "label"
* Remove obsolete comment
* Make NUL a possible value for the last byte of a cstring
* Fix AbandonState and add example binary&script
* name -> label in tests, manticore.py
* Ignore .DS_Store
* Update symbolicate_buffer docstring
2017-02-14 14:54:52 -05:00

87 lines
2.4 KiB
Python

import unittest
from core.executor import State
from core.smtlib import BitVecVariable
from core.smtlib import ConstraintSet
from models import linux
class FakeMemory(object):
def __init__(self):
self._constraints = None
@property
def constraints(self):
return self._constraints
class FakeCpu(object):
def __init__(self):
self._memory = FakeMemory()
@property
def memory(self):
return self._memory
class FakeModel(object):
def __init__(self):
self._constraints = None
self.procs = [FakeCpu()]
@property
def current(self):
return self.procs[0]
@property
def constraints(self):
return self._constraints
class StateTest(unittest.TestCase):
def setUp(self):
l = linux.Linux('/bin/ls')
self.state = State(ConstraintSet(), l)
def test_solve_one(self):
val = 42
expr = BitVecVariable(32, 'tmp')
self.state.add(expr == val)
solved = self.state.solve_one(expr)
self.assertEqual(solved, val)
def test_solve_n(self):
expr = BitVecVariable(32, 'tmp')
self.state.add(expr > 4)
self.state.add(expr < 7)
solved = self.state.solve_n(expr, 2)
self.assertEqual(solved, [5,6])
def test_solve_n2(self):
expr = BitVecVariable(32, 'tmp')
self.state.add(expr > 4)
self.state.add(expr < 100)
solved = self.state.solve_n(expr, 5)
self.assertEqual(len(solved), 5)
def test_state(self):
constraints = ConstraintSet()
initial_state = State(constraints, FakeModel())
arr = initial_state.symbolicate_buffer('+'*100, label='SYMBA')
initial_state.add(arr[0] > 0x41)
self.assertTrue(len(initial_state.constraints.declarations) == 1 )
with initial_state as new_state:
self.assertTrue(len(initial_state.constraints.declarations) == 1 )
self.assertTrue(len(new_state.constraints.declarations) == 1 )
arrb = new_state.symbolicate_buffer('+'*100, label='SYMBB')
self.assertTrue(len(initial_state.constraints.declarations) == 1 )
self.assertTrue(len(new_state.constraints.declarations) == 1 )
new_state.add(arrb[0] > 0x42)
self.assertTrue(len(new_state.constraints.declarations) == 2 )
self.assertTrue(len(initial_state.constraints.declarations) == 1 )