/*
 * Copyright (c) 2015 Cryptonomex, Inc., and contributors.
 *
 * The MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include <boost/test/unit_test.hpp>

#include <graphene/chain/database.hpp>

#include <graphene/chain/account_object.hpp>

#include <fc/crypto/digest.hpp>

#include "../common/database_fixture.hpp"

using namespace graphene::chain;

BOOST_AUTO_TEST_CASE( undo_test )
{
   try {
      database db;
      auto ses = db._undo_db.start_undo_session();
      const auto& bal_obj1 = db.create<account_balance_object>( [&]( account_balance_object& obj ){
               /* no balances right now */
      });
      auto id1 = bal_obj1.id;
      // abandon changes
      ses.undo();
      // start a new session
      ses = db._undo_db.start_undo_session();

      const auto& bal_obj2 = db.create<account_balance_object>( [&]( account_balance_object& obj ){
               /* no balances right now */
      });
      auto id2 = bal_obj2.id;
      BOOST_CHECK( id1 == id2 );
   } catch ( const fc::exception& e )
   {
      edump( (e.to_detail_string()) );
      throw;
   }
}