test/testconceptsstringable.cpp

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2023  Mike Tzou (Chocobo1)
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  *
  19  * In addition, as a special exception, the copyright holders give permission to
  20  * link this program with the OpenSSL project's "OpenSSL" library (or with
  21  * modified versions of it that use the same license as the "OpenSSL" library),
  22  * and distribute the linked executables. You must obey the GNU General Public
  23  * License in all respects for all of the code used other than "OpenSSL".  If you
  24  * modify file(s), you may extend this exception to your version of the file(s),
  25  * but you are not obligated to do so. If you do not wish to do so, delete this
  26  * exception statement from your version.
  27  */
  28
  29 #include <QObject>
  30 #include <QString>
  31 #include <QTest>
  32
  33 #include "base/concepts/stringable.h"
  34
  35 class TestConceptsStringable final : public QObject
  36 {
  37     Q_OBJECT
  38     Q_DISABLE_COPY_MOVE(TestConceptsStringable)
  39
  40 public:
  41     TestConceptsStringable() = default;
  42
  43 private slots:
  44     void testStringable() const
  45     {
  46         struct A
  47         {
  48         };
  49         static_assert(!Stringable<A>);
  50
  51         struct B
  52         {
  53             B(QString) {}
  54         };
  55         static_assert(!Stringable<B>);
  56
  57         struct C
  58         {
  59             QString toString() const { return {}; }
  60         };
  61         static_assert(!Stringable<C>);
  62
  63         struct D
  64         {
  65             D(QString) {}
  66             QString toString() const { return {}; }
  67         };
  68         static_assert(Stringable<D>);
  69     }
  70 };
  71
  72 QTEST_APPLESS_MAIN(TestConceptsStringable)
  73 #include "testconceptsstringable.moc"