/*
 * 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 vc2index_test
#include <boost/test/unit_test.hpp>
#include <votca/xtp/vc2index.h>
#include <iostream>

using namespace votca::xtp;
BOOST_AUTO_TEST_SUITE(vc2index_test)

BOOST_AUTO_TEST_CASE(index_test) {
    int vmin=0;
    int cmin=10;
    int ctotal=10;
    int vtotal=9;
    
    vc2index vc=vc2index(vmin,cmin,ctotal);
    
    int v=3;
    int c=12;
    
    BOOST_CHECK_EQUAL(vc.I(v,c),32);
    
    BOOST_CHECK_EQUAL(vc.c(vc.I(v,c)),c);
    BOOST_CHECK_EQUAL(vc.v(vc.I(v,c)),v);
    
    std::vector<int> indexv;
    std::vector<int> indexc;
 
    for (int v = 0; v < vtotal;v++) {
            for (int c = 0; c < ctotal; c++) {
              indexv.push_back(vmin + v);
              indexc.push_back(cmin + c);
            }
          }
    
    for(unsigned j=0;j<indexv.size();j++){
        BOOST_CHECK_EQUAL(indexv[j],vc.v(j));   
    }
    
     for(unsigned j=0;j<indexc.size();j++){
        BOOST_CHECK_EQUAL(indexc[j],vc.c(j));
    }
    
}

BOOST_AUTO_TEST_SUITE_END()