def test_solve_min_max(self):
expr = BitVecVariable(32, "tmp")
self.state.constrain(expr > 4)
self.state.constrain(expr < 7)
self.assertEqual(self.state.solve_min(expr), 5)
self.assertEqual(self.state.solve_max(expr), 6)
self.assertEqual(self.state.solve_minmax(expr), (5, 6))
def test_policy_one(self):
expr = BitVecVariable(32, "tmp")
self.state.constrain(expr > 0)
self.state.constrain(expr < 100)
solved = self.state.concretize(expr, "ONE")
self.assertEqual(len(solved), 1)
self.assertIn(solved[0], range(100))
def test_policy_one(self):
expr = BitVecVariable(32, 'tmp')
self.state.add(expr > 0)
self.state.add(expr < 100)
solved = self.state.concretize(expr, 'ONE')
self.assertEqual(len(solved), 1)
self.assertIn(solved[0], xrange(100))
def test_armv7_syscall_openat_symbolic(self):
platform, temp_dir = self._armv7_create_openat_state()
try:
platform.current.R0 = BitVecVariable(32, 'fd')
with self.assertRaises(ConcretizeRegister) as cm:
platform.syscall()
e = cm.exception
_min, _max = Z3Solver.instance().minmax(platform.constraints, e.cpu.read_register(e.reg_name))
self.assertLess(_min, len(platform.files))
self.assertGreater(_max, len(platform.files) - 1)
finally:
shutil.rmtree(temp_dir)
def test_solve_n2(self):
expr = BitVecVariable(32, "tmp")
self.state.constrain(expr > 4)
self.state.constrain(expr < 100)
solved = self.state.solve_n(expr, 5)
self.assertEqual(len(solved), 5)
def test_solve_n(self):
expr = BitVecVariable(32, "tmp")
self.state.constrain(expr > 4)
self.state.constrain(expr < 7)
solved = sorted(self.state.solve_n(expr, 2))
self.assertEqual(solved, [5, 6])
def test_solve_one(self):
val = 42
expr = BitVecVariable(32, "tmp")
self.state.constrain(expr == val)
solved = self.state.solve_one(expr)
self.assertEqual(solved, val)
def test_issymbolic(self):
v = BitVecVariable(32, 'sym')
self.assertTrue(issymbolic(v))
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_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_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_issymbolic(self):
v = BitVecVariable(size=32, name="sym")
self.assertTrue(issymbolic(v))
