qtbase-opensource-src/tests/manual/qt_poll/tst_qt_poll.cpp

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4.0 KiB
C++

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
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#ifndef QT_NO_NATIVE_POLL
#define QT_NO_NATIVE_POLL
#endif
#include <QtTest/QtTest>
#include <QtNetwork>
#include <private/qcore_unix_p.h>
QT_BEGIN_NAMESPACE
// defined in qpoll.cpp
int qt_poll(struct pollfd *fds, nfds_t nfds, const struct timespec *timeout_ts);
QT_END_NAMESPACE
class tst_qt_poll : public QObject
{
Q_OBJECT
private slots:
void pollout();
void pollin();
void pollnval();
void pollprihup();
};
void tst_qt_poll::pollout()
{
int fds[2];
QCOMPARE(pipe(fds), 0);
struct pollfd pfd = { fds[1], POLLOUT, 0 };
const int nready = qt_poll(&pfd, 1, NULL);
QCOMPARE(nready, 1);
QCOMPARE(pfd.revents, short(POLLOUT));
qt_safe_close(fds[0]);
qt_safe_close(fds[1]);
}
void tst_qt_poll::pollin()
{
int fds[2];
QCOMPARE(pipe(fds), 0);
const char data = 'Q';
QCOMPARE(qt_safe_write(fds[1], &data, 1), 1);
struct pollfd pfd = { fds[0], POLLIN, 0 };
const int nready = qt_poll(&pfd, 1, NULL);
QCOMPARE(nready, 1);
QCOMPARE(pfd.revents, short(POLLIN));
qt_safe_close(fds[0]);
qt_safe_close(fds[1]);
}
void tst_qt_poll::pollnval()
{
struct pollfd pfd = { 42, POLLOUT, 0 };
int nready = qt_poll(&pfd, 1, NULL);
QCOMPARE(nready, 1);
QCOMPARE(pfd.revents, short(POLLNVAL));
pfd.events = 0;
pfd.revents = 0;
nready = qt_poll(&pfd, 1, NULL);
QCOMPARE(nready, 1);
QCOMPARE(pfd.revents, short(POLLNVAL));
}
void tst_qt_poll::pollprihup()
{
QTcpServer server;
QTcpSocket client_socket;
QVERIFY(server.listen(QHostAddress::LocalHost));
const quint16 server_port = server.serverPort();
client_socket.connectToHost(server.serverAddress(), server_port);
QVERIFY(client_socket.waitForConnected());
QVERIFY(server.waitForNewConnection());
QTcpSocket *server_socket = server.nextPendingConnection();
server.close();
// TCP supports only a single byte of urgent data
static const char oob_out = 'Q';
QCOMPARE(::send(server_socket->socketDescriptor(), &oob_out, 1, MSG_OOB),
ssize_t(1));
struct pollfd pfd = {
int(client_socket.socketDescriptor()),
POLLPRI | POLLIN,
0
};
int res = qt_poll(&pfd, 1, NULL);
QCOMPARE(res, 1);
QCOMPARE(pfd.revents, short(POLLPRI | POLLIN));
char oob_in = 0;
// We do not specify MSG_OOB here as SO_OOBINLINE is turned on by default
// in the native socket engine
QCOMPARE(::recv(client_socket.socketDescriptor(), &oob_in, 1, 0),
ssize_t(1));
QCOMPARE(oob_in, oob_out);
server_socket->close();
pfd.events = POLLIN;
res = qt_poll(&pfd, 1, NULL);
QCOMPARE(res, 1);
QCOMPARE(pfd.revents, short(POLLHUP));
}
QTEST_APPLESS_MAIN(tst_qt_poll)
#include "tst_qt_poll.moc"