text: /*
   * Copyright (c) 2017, Respective Authors.
   *
   * 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 <omo/chain/database.hpp>
  
  #include <omo/chain/account_object.hpp>
  
  #include <fc/crypto/digest.hpp>
  
  #include "../common/database_fixture.hpp"
  
  using namespace omo::chain;
  
  BOOST_FIXTURE_TEST_CASE(undo_test, testing_fixture)
  {
     try {
        testing_database db(*this);
        db.open();
        auto ses = db.start_undo_session(true);
  
        db.create<account_object>([](account_object& a) {
            a.name = "Billy the Kid";
        });
  
        auto ptr = db.find<account_object, by_name, std::string>("Billy the Kid");
        BOOST_CHECK(ptr != nullptr);
  
        ses.undo();
  
        ptr = db.find<account_object, by_name, std::string>("Billy the Kid");
        BOOST_CHECK(ptr == nullptr);
     } catch ( const fc::exception& e )
     {
        edump( (e.to_detail_string()) );
        throw;
     }
  }
  