def test_check_invariant_different_number_parameters(self):
invariant = Function('inv', 2)
invariant.parameters = []
invariant.parameters.append(Parameter('t1', 'int'))
variables = []
variables.append(Variable('t1','int', 10))
variables.append(Variable('t2','bool', 11))
invariant.returndt = 'bool'
checker = ComplianceChecker()
with pytest.raises(ComplianceError):
checker.check_invariant(invariant, variables)
def test_check_invariant_compliant_invariant(self):
invariant = Function('inv', 2)
invariant.parameters = []
invariant.parameters.append(Parameter('t1', 'int'))
invariant.parameters.append(Parameter('t2', 'bool'))
variables = []
variables.append(Variable('t1','int', 10))
variables.append(Variable('t2','bool', 11))
invariant.returndt = 'bool'
checker = ComplianceChecker()
assert checker.check_invariant(invariant, variables) == True
def test_check_invariant_invariant_not_defined(self):
invariant = None
variables = []
checker = ComplianceChecker()
with pytest.raises(ComplianceError):
checker.check_invariant(invariant, variables)