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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2008 Maurice van der Pot <griffon26@kfk4ever.com>
*
* 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; either version 2 of the
* License, or (at your option) any later version.
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <string.h>
#include <stdlib.h>
#include "src/planner-cmd-manager.h"
#include "self-check.h"
typedef struct {
gchar actions[100];
gint next;
} ActionHistory;
typedef struct {
PlannerCmd base;
ActionHistory *action_history;
gboolean allocated;
gchar id;
} TestCmd;
static gboolean
test_cmd_do (PlannerCmd *cmd_base)
{
TestCmd *cmd;
ActionHistory *history;
cmd = (TestCmd*) cmd_base;
history = cmd->action_history;
CHECK_BOOLEAN_RESULT (cmd->allocated, TRUE);
CHECK_INTEGER_RESULT (history->actions[history->next], 0);
history->actions[history->next] = cmd->id;
history->next++;
return TRUE;
}
static void
test_cmd_undo (PlannerCmd *cmd_base)
{
TestCmd *cmd;
ActionHistory *history;
cmd = (TestCmd*) cmd_base;
history = cmd->action_history;
CHECK_BOOLEAN_RESULT (cmd->allocated, TRUE);
CHECK_BOOLEAN_RESULT (history->next > 0, TRUE);
CHECK_BOOLEAN_RESULT (history->actions[history->next - 1] == cmd->id, TRUE);
history->actions[--history->next] = 0;
}
static void
test_cmd_free (PlannerCmd *cmd_base)
{
TestCmd *cmd;
cmd = (TestCmd*) cmd_base;
CHECK_BOOLEAN_RESULT (cmd->allocated, TRUE);
cmd->allocated = FALSE;
}
static PlannerCmd *
test_cmd (PlannerCmdManager *cmd_manager,
ActionHistory *action_history,
gchar cmd_id)
{
PlannerCmd *cmd_base;
TestCmd *cmd;
gchar cmd_name[10];
CHECK_BOOLEAN_RESULT (cmd_id != 0, TRUE);
g_snprintf (cmd_name, sizeof(cmd_name), "cmd %c", cmd_id);
cmd_base = planner_cmd_new (TestCmd,
cmd_name,
test_cmd_do,
test_cmd_undo,
test_cmd_free);
cmd = (TestCmd *) cmd_base;
cmd->action_history = action_history;
cmd->allocated = TRUE;
cmd->id = cmd_id;
planner_cmd_manager_insert_and_do (cmd_manager,
cmd_base);
return cmd_base;
}
gint
main (gint argc, gchar **argv)
{
ActionHistory action_history;
g_type_init ();
PlannerCmdManager *cmd_manager = planner_cmd_manager_new ();
/* Initialise the action history */
memset(action_history.actions, 0, sizeof(action_history.actions));
action_history.next = 0;
/* Test adding a bunch of normal commands */
test_cmd(cmd_manager, &action_history, '1');
test_cmd(cmd_manager, &action_history, '2');
test_cmd(cmd_manager, &action_history, '3');
test_cmd(cmd_manager, &action_history, '4');
CHECK_STRING_RESULT (g_strdup(action_history.actions), "1234");
/* Test undo and redo with normal commands */
planner_cmd_manager_undo (cmd_manager);
CHECK_STRING_RESULT (g_strdup(action_history.actions), "123");
planner_cmd_manager_redo (cmd_manager);
CHECK_STRING_RESULT (g_strdup(action_history.actions), "1234");
planner_cmd_manager_undo (cmd_manager);
planner_cmd_manager_undo (cmd_manager);
planner_cmd_manager_undo (cmd_manager);
CHECK_STRING_RESULT (g_strdup(action_history.actions), "1");
planner_cmd_manager_redo (cmd_manager);
planner_cmd_manager_redo (cmd_manager);
CHECK_STRING_RESULT (g_strdup(action_history.actions), "123");
/* Test if undo and redo stop at the end of the queue */
planner_cmd_manager_redo (cmd_manager);
CHECK_STRING_RESULT (g_strdup(action_history.actions), "1234");
planner_cmd_manager_redo (cmd_manager);
planner_cmd_manager_redo (cmd_manager);
CHECK_STRING_RESULT (g_strdup(action_history.actions), "1234");
planner_cmd_manager_undo (cmd_manager);
planner_cmd_manager_undo (cmd_manager);
planner_cmd_manager_undo (cmd_manager);
planner_cmd_manager_undo (cmd_manager);
CHECK_STRING_RESULT (g_strdup(action_history.actions), "");
planner_cmd_manager_undo (cmd_manager);
planner_cmd_manager_undo (cmd_manager);
CHECK_STRING_RESULT (g_strdup(action_history.actions), "");
/* Test if performing a new action after some undos prevents redoes
* from happening */
planner_cmd_manager_redo (cmd_manager);
planner_cmd_manager_redo (cmd_manager);
test_cmd(cmd_manager, &action_history, '3');
CHECK_STRING_RESULT (g_strdup(action_history.actions), "123");
planner_cmd_manager_redo (cmd_manager);
CHECK_STRING_RESULT (g_strdup(action_history.actions), "123");
/* Test adding some transactions as well as normal commands */
planner_cmd_manager_begin_transaction (cmd_manager, "trans 1");
test_cmd(cmd_manager, &action_history, 'a');
test_cmd(cmd_manager, &action_history, 'b');
test_cmd(cmd_manager, &action_history, 'c');
test_cmd(cmd_manager, &action_history, 'd');
planner_cmd_manager_end_transaction (cmd_manager);
CHECK_STRING_RESULT (g_strdup(action_history.actions), "123abcd");
planner_cmd_manager_begin_transaction (cmd_manager, "trans 2");
test_cmd(cmd_manager, &action_history, 'i');
planner_cmd_manager_end_transaction (cmd_manager);
CHECK_STRING_RESULT (g_strdup(action_history.actions), "123abcdi");
test_cmd(cmd_manager, &action_history, '5');
CHECK_STRING_RESULT (g_strdup(action_history.actions), "123abcdi5");
planner_cmd_manager_begin_transaction (cmd_manager, "trans 3");
test_cmd(cmd_manager, &action_history, 'x');
test_cmd(cmd_manager, &action_history, 'y');
planner_cmd_manager_end_transaction (cmd_manager);
CHECK_STRING_RESULT (g_strdup(action_history.actions), "123abcdi5xy");
/* Test undo & redo with a mix of transactions and normal commands */
planner_cmd_manager_undo (cmd_manager);
CHECK_STRING_RESULT (g_strdup(action_history.actions), "123abcdi5");
planner_cmd_manager_redo (cmd_manager);
CHECK_STRING_RESULT (g_strdup(action_history.actions), "123abcdi5xy");
planner_cmd_manager_undo (cmd_manager);
planner_cmd_manager_undo (cmd_manager);
planner_cmd_manager_undo (cmd_manager);
planner_cmd_manager_undo (cmd_manager);
CHECK_STRING_RESULT (g_strdup(action_history.actions), "123");
planner_cmd_manager_redo (cmd_manager);
planner_cmd_manager_redo (cmd_manager);
CHECK_STRING_RESULT (g_strdup(action_history.actions), "123abcdi");
g_object_unref (cmd_manager);
return EXIT_SUCCESS;
}
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