diff --git a/tests/auto/qsocketnotifier/CMakeLists.txt b/tests/auto/qsocketnotifier/CMakeLists.txt new file mode 100644 index 000000000..1119e3c97 --- /dev/null +++ b/tests/auto/qsocketnotifier/CMakeLists.txt @@ -0,0 +1,5 @@ +katie_test(tst_qsocketnotifier + ${CMAKE_CURRENT_SOURCE_DIR}/tst_qsocketnotifier.cpp +) + +target_link_libraries(tst_qsocketnotifier KtNetwork) diff --git a/tests/auto/qsocketnotifier/tst_qsocketnotifier.cpp b/tests/auto/qsocketnotifier/tst_qsocketnotifier.cpp new file mode 100644 index 000000000..4354fdf94 --- /dev/null +++ b/tests/auto/qsocketnotifier/tst_qsocketnotifier.cpp @@ -0,0 +1,302 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Copyright (C) 2016-2019 Ivailo Monev +** +** This file is part of the test suite of the Katie Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#include + +#include +#include +#include +#include +#include +#include + +#ifdef Q_OS_UNIX +#include +#include +#endif + +#include + +class tst_QSocketNotifier : public QObject +{ + Q_OBJECT +public: + tst_QSocketNotifier(); + ~tst_QSocketNotifier(); + +private slots: + void unexpectedDisconnection(); + void mixingWithTimers(); + void posixSockets(); +}; + +tst_QSocketNotifier::tst_QSocketNotifier() +{ } + +tst_QSocketNotifier::~tst_QSocketNotifier() +{ +} + +class UnexpectedDisconnectTester : public QObject +{ + Q_OBJECT +public: + QNativeSocketEngine *readEnd1, *readEnd2; + int sequence; + + UnexpectedDisconnectTester(QNativeSocketEngine *s1, QNativeSocketEngine *s2) + : readEnd1(s1), readEnd2(s2), sequence(0) + { + QSocketNotifier *notifier1 = + new QSocketNotifier(readEnd1->socketDescriptor(), QSocketNotifier::Read, this); + connect(notifier1, SIGNAL(activated(int)), SLOT(handleActivated())); + QSocketNotifier *notifier2 = + new QSocketNotifier(readEnd2->socketDescriptor(), QSocketNotifier::Read, this); + connect(notifier2, SIGNAL(activated(int)), SLOT(handleActivated())); + } + +public slots: + void handleActivated() + { + char data1[1], data2[1]; + ++sequence; + if (sequence == 1) { + // read from both ends + (void) readEnd1->read(data1, sizeof(data1)); + (void) readEnd2->read(data2, sizeof(data2)); + emit finished(); + } else if (sequence == 2) { + // we should never get here + QCOMPARE(readEnd2->read(data2, sizeof(data2)), qint64(-2)); + QVERIFY(readEnd2->isValid()); + } + } + +signals: + void finished(); +}; + +void tst_QSocketNotifier::unexpectedDisconnection() +{ + /* + Given two sockets and two QSocketNotifiers registered on each + their socket. If both sockets receive data, and the first slot + invoked by one of the socket notifiers empties both sockets, the + other notifier will also emit activated(). This results in + unexpected disconnection in QAbstractSocket. + + The use case is that somebody calls one of the + waitFor... functions in a QSocketNotifier activated slot, and + the waitFor... functions do local selects that can empty both + stdin and stderr while waiting for fex bytes to be written. + */ + + QTcpServer server; + QVERIFY(server.listen(QHostAddress::LocalHost, 0)); + + QNativeSocketEngine readEnd1; + readEnd1.initialize(QAbstractSocket::TcpSocket); + bool b = readEnd1.connectToHost(server.serverAddress(), server.serverPort()); + QVERIFY(readEnd1.waitForWrite()); +// while (!b && readEnd1.state() != QAbstractSocket::ConnectedState) +// b = readEnd1.connectToHost(server.serverAddress(), server.serverPort()); + QVERIFY(readEnd1.state() == QAbstractSocket::ConnectedState); + QVERIFY(server.waitForNewConnection()); + QTcpSocket *writeEnd1 = server.nextPendingConnection(); + QVERIFY(writeEnd1 != 0); + + QNativeSocketEngine readEnd2; + readEnd2.initialize(QAbstractSocket::TcpSocket); + b = readEnd2.connectToHost(server.serverAddress(), server.serverPort()); + QVERIFY(readEnd2.waitForWrite()); +// while (!b) +// b = readEnd2.connectToHost(server.serverAddress(), server.serverPort()); + QVERIFY(readEnd2.state() == QAbstractSocket::ConnectedState); + QVERIFY(server.waitForNewConnection()); + QTcpSocket *writeEnd2 = server.nextPendingConnection(); + QVERIFY(writeEnd2 != 0); + + writeEnd1->write("1", 1); + writeEnd2->write("2", 1); + + writeEnd1->waitForBytesWritten(); + writeEnd2->waitForBytesWritten(); + + writeEnd1->flush(); + writeEnd2->flush(); + + UnexpectedDisconnectTester tester(&readEnd1, &readEnd2); + + QTimer timer; + timer.setSingleShot(true); + timer.start(30000); + do { + // we have to wait until sequence value changes + // as any event can make us jump out processing + QCoreApplication::processEvents(QEventLoop::WaitForMoreEvents); + QVERIFY(timer.isActive()); //escape if test would hang + } while(tester.sequence <= 0); + + QVERIFY(readEnd1.state() == QAbstractSocket::ConnectedState); + QVERIFY(readEnd2.state() == QAbstractSocket::ConnectedState); + + QCOMPARE(tester.sequence, 2); + + readEnd1.close(); + readEnd2.close(); + writeEnd1->close(); + writeEnd2->close(); + server.close(); +} + +class MixingWithTimersHelper : public QObject +{ + Q_OBJECT + +public: + MixingWithTimersHelper(QTimer *timer, QTcpServer *server); + + bool timerActivated; + bool socketActivated; + +private slots: + void timerFired(); + void socketFired(); +}; + +MixingWithTimersHelper::MixingWithTimersHelper(QTimer *timer, QTcpServer *server) +{ + timerActivated = false; + socketActivated = false; + + connect(timer, SIGNAL(timeout()), SLOT(timerFired())); + connect(server, SIGNAL(newConnection()), SLOT(socketFired())); +} + +void MixingWithTimersHelper::timerFired() +{ + timerActivated = true; +} + +void MixingWithTimersHelper::socketFired() +{ + socketActivated = true; +} + +void tst_QSocketNotifier::mixingWithTimers() +{ + QTimer timer; + timer.setInterval(0); + timer.start(); + + QTcpServer server; + QVERIFY(server.listen(QHostAddress::LocalHost, 0)); + + MixingWithTimersHelper helper(&timer, &server); + + QCoreApplication::processEvents(); + + QCOMPARE(helper.timerActivated, true); + QCOMPARE(helper.socketActivated, false); + + helper.timerActivated = false; + helper.socketActivated = false; + + QTcpSocket socket; + socket.connectToHost(server.serverAddress(), server.serverPort()); + + QCoreApplication::processEvents(); + + QCOMPARE(helper.timerActivated, true); + QCOMPARE(helper.socketActivated, true); +} + +void tst_QSocketNotifier::posixSockets() +{ +#ifndef Q_OS_UNIX + QSKIP("test only for posix", SkipAll); +#else + + QTcpServer server; + QVERIFY(server.listen(QHostAddress::LocalHost, 0)); + + int posixSocket = qt_safe_socket(AF_INET, SOCK_STREAM, 0); + sockaddr_in addr; + addr.sin_addr.s_addr = htonl(0x7f000001); + addr.sin_family = AF_INET; + addr.sin_port = htons(server.serverPort()); + qt_safe_connect(posixSocket, (const struct sockaddr*)&addr, sizeof(sockaddr_in)); + QVERIFY(server.waitForNewConnection(5000)); + QScopedPointer passive(server.nextPendingConnection()); + + ::fcntl(posixSocket, F_SETFL, ::fcntl(posixSocket, F_GETFL) | O_NONBLOCK); + + { + QSocketNotifier rn(posixSocket, QSocketNotifier::Read); + connect(&rn, SIGNAL(activated(int)), &QTestEventLoop::instance(), SLOT(exitLoop())); + QSignalSpy readSpy(&rn, SIGNAL(activated(int))); + QSocketNotifier wn(posixSocket, QSocketNotifier::Write); + connect(&wn, SIGNAL(activated(int)), &QTestEventLoop::instance(), SLOT(exitLoop())); + QSignalSpy writeSpy(&wn, SIGNAL(activated(int))); + QSocketNotifier en(posixSocket, QSocketNotifier::Exception); + connect(&en, SIGNAL(activated(int)), &QTestEventLoop::instance(), SLOT(exitLoop())); + QSignalSpy errorSpy(&en, SIGNAL(activated(int))); + + passive->write("hello",6); + passive->waitForBytesWritten(5000); + + QTestEventLoop::instance().enterLoop(3); + QCOMPARE(readSpy.count(), 1); + writeSpy.clear(); //depending on OS, write notifier triggers on creation or not. + QCOMPARE(errorSpy.count(), 0); + + char buffer[100]; + qt_safe_read(posixSocket, buffer, 100); + QCOMPARE(buffer, "hello"); + + qt_safe_write(posixSocket, "goodbye", 8); + + QTestEventLoop::instance().enterLoop(3); + QCOMPARE(readSpy.count(), 1); + QCOMPARE(writeSpy.count(), 1); + QCOMPARE(errorSpy.count(), 0); + QCOMPARE(passive->readAll(), QByteArray("goodbye",8)); + } + qt_safe_close(posixSocket); +#endif +} + +QTEST_MAIN(tst_QSocketNotifier) + +#include "moc_tst_qsocketnotifier.cpp"