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 /*****************************************************************************
  *   Copyright 2014 - 2015 Yichao Yu <yyc1992@gmail.com>                     *
  *                                                                           *
  *   This program is free software; you can redistribute it and/or modify    *
  *   it under the terms of the GNU Lesser General Public License as          *
  *   published by the Free Software Foundation; either version 2.1 of the    *
  *   License, or (at your option) version 3, or any later version accepted   *
  *   by the membership of KDE e.V. (or its successor approved by the         *
  *   membership of KDE e.V.), which shall act as a proxy defined in          *
  *   Section 6 of version 3 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       *
  *   Lesser General Public License for more details.                         *
  *                                                                           *
  *   You should have received a copy of the GNU Lesser General Public        *
  *   License along with this library. If not,                                *
  *   see <http://www.gnu.org/licenses/>.                                     *
  *****************************************************************************/
 
 #include <qtcurve-utils/utils.h>
 #include <assert.h>
 
 static int (*func_int)(int a) = nullptr;
 static void (*func_void)() = nullptr;
 
 static int arg_int_times = 0;
 
 static int
 arg_int()
 {
     arg_int_times++;
     return 10;
 }
 
 static int
 real_func_int(int a)
 {
     return a;
 }
 
 static int real_func_void_times = 0;
 
 static void
 real_func_void()
 {
     real_func_void_times++;
 }
 
 #ifdef __cplusplus
 // Functions with structs as return type only works for c++ (for now).
 typedef struct {
     int i;
     int j;
 } TestStruct;
 
 static TestStruct (*func_struct)() = nullptr;
 #endif
 
 int
 main()
 {
     qtcCall(func_void);
     assert(qtcCall(func_int, arg_int()) == 0);
     assert(arg_int_times == 0);
     func_int = real_func_int;
     assert(qtcCall(func_int, arg_int()) == 10);
     assert(arg_int_times == 1);
     func_void = real_func_void;
     qtcCall(func_void);
     assert(real_func_void_times == 1);
 #ifdef __cplusplus
     qtcCall(func_struct);
 #endif
     return 0;
 }