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/*
* Copyright (c) 2011, 2014 Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of the
* License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
void reset_undo_accounting()
{
last_undo_stack_height= um->get_undo_stack().size();
last_redo_stack_height= um->get_redo_stack().size();
}
void check_only_one_undo_added_(const std::string &loc)
{
++last_undo_stack_height;
ensure_equals(loc+": added 1 undo action", um->get_undo_stack().size(), last_undo_stack_height);
// adding new stuff to the undo stack will clear the redo stack
last_redo_stack_height= um->get_redo_stack().size();
}
#define check_only_one_undo_added() check_only_one_undo_added_(G_STRINGIFY(__LINE__))
// helper member functions
void check_undo_(const std::string &loc)
{
ensure_equals(loc+":undo stack size", um->get_undo_stack().size(), last_undo_stack_height);
ensure_equals(loc+":redo stack size", um->get_redo_stack().size(), last_redo_stack_height);
// check that the latest undo action has a description
ensure(loc+":undo action description is set", um->get_action_description() != "");
// perform undo
um->undo();
--last_undo_stack_height;
// redo stack should grow by 1 and undo shrink by 1
ensure_equals(loc+":redo stack size after undo", um->get_redo_stack().size(), last_redo_stack_height+1);
ensure_equals(loc+":undo stack size after undo", um->get_undo_stack().size(), last_undo_stack_height);
last_redo_stack_height= um->get_redo_stack().size();
}
#define check_undo() check_undo_(G_STRINGIFY(__LINE__))
void check_redo_(const std::string &loc)
{
// make sure that the undo/redo stack has the expected size
ensure_equals(loc+":undo stack size", um->get_undo_stack().size(), last_undo_stack_height);
ensure_equals(loc+":redo stack size", um->get_redo_stack().size(), last_redo_stack_height);
// perform redo
um->redo();
++last_undo_stack_height;
ensure_equals(loc+":redo stack size after redo", um->get_redo_stack().size(), last_redo_stack_height-1);
ensure_equals(loc+":undo stack size after redo", um->get_undo_stack().size(), last_undo_stack_height);
last_redo_stack_height= um->get_redo_stack().size();
}
#define check_redo() check_redo_(G_STRINGIFY(__LINE__))
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