/*
 * Copyright 2009-2018 The VOTCA Development Team (http://www.votca.org)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
#define BOOST_TEST_MAIN

#define BOOST_TEST_MODULE qmstate_test
#include <boost/test/unit_test.hpp>
#include <votca/xtp/qmstate.h>

#include <fstream>

using namespace votca::xtp;

BOOST_AUTO_TEST_SUITE(qmstate_test)

BOOST_AUTO_TEST_CASE(QMStatetype_test) {
QMStateType type;
type.FromString("S");
    
BOOST_CHECK_EQUAL(type.Type()==QMStateType::Singlet,true);
BOOST_CHECK_EQUAL(type.ToString(), "s");
BOOST_CHECK_EQUAL(type.ToLongString(), "singlet");

QMStateType type2;
type2.FromString("Singlet");
BOOST_CHECK_EQUAL(type2.Type()==QMStateType::Singlet,true);

BOOST_CHECK_EQUAL(type==type2, true);

QMStateType type3;
type3.FromString("N");
BOOST_CHECK_EQUAL(type3==type2,false);
BOOST_CHECK_EQUAL(type3==QMStateType::Gstate,true);

QMStateType type4=QMStateType(QMStateType::KSstate);
BOOST_CHECK_EQUAL(type4==QMStateType::KSstate,true);

}


BOOST_AUTO_TEST_CASE(QMState_test) {
    QMState state;
    state.FromString("S1");
    BOOST_CHECK_EQUAL(state.Type()==QMStateType::Singlet,true);
    BOOST_CHECK_EQUAL(state.Index(),0);
    
    QMState state2;
    state.FromString("N");
    BOOST_CHECK_EQUAL(state.Index(),-1);
    
    QMState state3;
    state3.FromString("n2s12");
    BOOST_CHECK_EQUAL(state3.isTransition(),true);
    
    BOOST_CHECK_EQUAL(state3.Type()==QMStateType::Singlet,true);
    BOOST_CHECK_EQUAL(state3.Index(),11);
    
    QMState state4;
    state4.FromString("n2s16");
    QMState state5;
    state5.FromString("groundstate to singlet 16");
    
    
    BOOST_CHECK_EQUAL(state4==state5,true);
    std::string result=state4.ToLongString();
    BOOST_CHECK_EQUAL(result,"Groundstate to singlet 16");
    
    QMState state6=QMState(QMStateType::Singlet,15,true);
    BOOST_CHECK_EQUAL(state6==state5,true);
   
}

BOOST_AUTO_TEST_SUITE_END()