vcl/qt5/tst_exclude_socket_notifiers.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  *
  19  * This code is based on the SocketEventsTester from the Qt4 test suite.
  20  */
  21
  22 #pragma once
  23
  24 #include <QtCore/QCoreApplication>
  25 #include <QtCore/QEventLoop>
  26 #include <QtCore/QSocketNotifier>
  27 #include <unistd.h>
  28
  29 class TestExcludeSocketNotifiers : public QObject
  30 {
  31     Q_OBJECT
  32 public:
  33     TestExcludeSocketNotifiers(const int* pipes);
  34     virtual ~TestExcludeSocketNotifiers() override;
  35     bool received;
  36 public slots:
  37     void slotReceived();
  38
  39 private:
  40     const int* pipes;
  41 };
  42
  43 TestExcludeSocketNotifiers::TestExcludeSocketNotifiers(const int* thePipes)
  44     : received(false)
  45     , pipes(thePipes)
  46 {
  47 }
  48
  49 TestExcludeSocketNotifiers::~TestExcludeSocketNotifiers()
  50 {
  51     close(pipes[0]);
  52     close(pipes[1]);
  53 }
  54
  55 void TestExcludeSocketNotifiers::slotReceived() { received = true; }
  56
  57 #define QVERIFY(a)                                                                                 \
  58     if (!a)                                                                                        \
  59         return 1;
  60
  61 static int tst_processEventsExcludeSocket()
  62 {
  63     int pipes[2];
  64     if (pipe(pipes) < 0)
  65         return 1;
  66     TestExcludeSocketNotifiers test(pipes);
  67     QSocketNotifier notifier(pipes[0], QSocketNotifier::Read);
  68     QObject::connect(&notifier, SIGNAL(activated(int)), &test, SLOT(slotReceived()));
  69     char dummy = 'a';
  70     if (1 != write(pipes[1], &dummy, 1))
  71         return 1;
  72     QEventLoop loop;
  73     loop.processEvents(QEventLoop::ExcludeSocketNotifiers);
  74     QVERIFY(!test.received);
  75     loop.processEvents();
  76     QVERIFY(test.received);
  77     return 0;
  78 }