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qt5base-lts/tests/auto/qiodevice/tst_qiodevice.cpp
Qt by Nokia 38be0d1383 Initial import from the monolithic Qt. 
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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12
2011-04-27 12:05:43 +02:00

655 lines
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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/QtCore>
#include <QtNetwork/QtNetwork>
#include <QtTest/QtTest>
#include "../network-settings.h"
//TESTED_CLASS=
//TESTED_FILES=
#ifdef Q_OS_SYMBIAN
#define SRCDIR ""
#endif
class tst_QIODevice : public QObject
{
Q_OBJECT
public:
tst_QIODevice();
virtual ~tst_QIODevice();
public slots:
void init();
void cleanup();
private slots:
void getSetCheck();
void constructing_QTcpSocket();
void constructing_QFile();
void read_QByteArray();
void unget();
void peek();
void peekAndRead();
void getch();
void putch();
void readLine_data();
void readLine();
void readLine2_data();
void readLine2();
void peekBug();
};
// Testing get/set functions
void tst_QIODevice::getSetCheck()
{
// OpenMode QIODevice::openMode()
// void QIODevice::setOpenMode(OpenMode)
class MyIODevice : public QIODevice {
public:
void setOpenMode(OpenMode openMode) { QIODevice::setOpenMode(openMode); }
};
QTcpSocket var1;
MyIODevice *obj1 = reinterpret_cast<MyIODevice*>(&var1);
obj1->setOpenMode(QIODevice::OpenMode(QIODevice::NotOpen));
QCOMPARE(QIODevice::OpenMode(QIODevice::NotOpen), obj1->openMode());
obj1->setOpenMode(QIODevice::OpenMode(QIODevice::ReadWrite));
QCOMPARE(QIODevice::OpenMode(QIODevice::ReadWrite), obj1->openMode());
}
tst_QIODevice::tst_QIODevice()
{
Q_SET_DEFAULT_IAP
}
tst_QIODevice::~tst_QIODevice()
{
}
void tst_QIODevice::init()
{
}
void tst_QIODevice::cleanup()
{
}
//----------------------------------------------------------------------------------
void tst_QIODevice::constructing_QTcpSocket()
{
#if defined(Q_OS_WINCE) && defined(WINCE_EMULATOR_TEST)
QSKIP("Networking tests in a WinCE emulator are unstable", SkipAll);
#endif
QTcpSocket socket;
QIODevice *device = &socket;
QVERIFY(!device->isOpen());
socket.connectToHost(QtNetworkSettings::serverName(), 143);
QVERIFY(socket.waitForConnected(5000));
QVERIFY(device->isOpen());
while (!device->canReadLine())
QVERIFY(device->waitForReadyRead(5000));
char buf[1024];
memset(buf, 0, sizeof(buf));
qlonglong lineLength = device->readLine(buf, sizeof(buf));
QVERIFY(lineLength > 0);
QCOMPARE(socket.pos(), qlonglong(0));
socket.close();
socket.connectToHost(QtNetworkSettings::serverName(), 143);
QVERIFY(socket.waitForConnected(5000));
QVERIFY(device->isOpen());
while (!device->canReadLine())
QVERIFY(device->waitForReadyRead(5000));
char buf2[1024];
memset(buf2, 0, sizeof(buf2));
QCOMPARE(socket.readLine(buf2, sizeof(buf2)), lineLength);
char *c1 = buf;
char *c2 = buf2;
while (*c1 && *c2) {
QCOMPARE(*c1, *c2);
++c1;
++c2;
}
QCOMPARE(*c1, *c2);
}
//----------------------------------------------------------------------------------
void tst_QIODevice::constructing_QFile()
{
QFile file;
QIODevice *device = &file;
QVERIFY(!device->isOpen());
file.setFileName(SRCDIR "tst_qiodevice.cpp");
QVERIFY(file.open(QFile::ReadOnly));
QVERIFY(device->isOpen());
QCOMPARE((int) device->openMode(), (int) QFile::ReadOnly);
char buf[1024];
memset(buf, 0, sizeof(buf));
qlonglong lineLength = device->readLine(buf, sizeof(buf));
QVERIFY(lineLength > 0);
QCOMPARE(file.pos(), lineLength);
file.seek(0);
char buf2[1024];
memset(buf2, 0, sizeof(buf2));
QCOMPARE(file.readLine(buf2, sizeof(buf2)), lineLength);
char *c1 = buf;
char *c2 = buf2;
while (*c1 && *c2) {
QCOMPARE(*c1, *c2);
++c1;
++c2;
}
QCOMPARE(*c1, *c2);
}
void tst_QIODevice::read_QByteArray()
{
QFile f(SRCDIR "tst_qiodevice.cpp");
f.open(QIODevice::ReadOnly);
QByteArray b = f.read(10);
QCOMPARE(b.length(), 10);
b = f.read(256);
QCOMPARE(b.length(), 256);
b = f.read(0);
QCOMPARE(b.length(), 0);
}
//--------------------------------------------------------------------
void tst_QIODevice::unget()
{
#if defined(Q_OS_WINCE) && defined(WINCE_EMULATOR_TEST)
QSKIP("Networking tests in a WinCE emulator are unstable", SkipAll);
#endif
QBuffer buffer;
buffer.open(QBuffer::ReadWrite);
buffer.write("ZXCV");
buffer.seek(0);
QCOMPARE(buffer.read(4), QByteArray("ZXCV"));
QCOMPARE(buffer.pos(), qint64(4));
buffer.ungetChar('a');
buffer.ungetChar('b');
buffer.ungetChar('c');
buffer.ungetChar('d');
QCOMPARE(buffer.pos(), qint64(0));
char buf[6];
QCOMPARE(buffer.readLine(buf, 5), qint64(4));
QCOMPARE(buffer.pos(), qint64(4));
QCOMPARE(static_cast<const char*>(buf), "dcba");
buffer.ungetChar('a');
buffer.ungetChar('b');
buffer.ungetChar('c');
buffer.ungetChar('d');
QCOMPARE(buffer.pos(), qint64(0));
for (int i = 0; i < 5; ++i) {
buf[0] = '@';
buf[1] = '@';
QTest::ignoreMessage(QtWarningMsg,
"QIODevice::readLine: Called with maxSize < 2");
QCOMPARE(buffer.readLine(buf, 1), qint64(-1));
QCOMPARE(buffer.readLine(buf, 2), qint64(i < 4 ? 1 : -1));
switch (i) {
case 0: QCOMPARE(buf[0], 'd'); break;
case 1: QCOMPARE(buf[0], 'c'); break;
case 2: QCOMPARE(buf[0], 'b'); break;
case 3: QCOMPARE(buf[0], 'a'); break;
case 4: QCOMPARE(buf[0], '\0'); break;
}
QCOMPARE(buf[1], i < 4 ? '\0' : '@');
}
buffer.ungetChar('\n');
QCOMPARE(buffer.readLine(), QByteArray("\n"));
buffer.seek(1);
buffer.readLine(buf, 3);
QCOMPARE(static_cast<const char*>(buf), "XC");
buffer.seek(4);
buffer.ungetChar('Q');
QCOMPARE(buffer.readLine(buf, 3), qint64(1));
for (int i = 0; i < 2; ++i) {
QTcpSocket socket;
QIODevice *dev;
QByteArray result;
const char *lineResult;
if (i == 0) {
dev = &buffer;
result = QByteArray("ZXCV");
lineResult = "ZXCV";
} else {
socket.connectToHost(QtNetworkSettings::serverName(), 80);
socket.write("GET / HTTP/1.0\r\n\r\n");
QVERIFY(socket.waitForReadyRead());
dev = &socket;
result = QByteArray("HTTP");
lineResult = "Date";
}
char ch, ch2;
dev->seek(0);
dev->getChar(&ch);
dev->ungetChar(ch);
QCOMPARE(dev->peek(4), result);
dev->getChar(&ch);
dev->getChar(&ch2);
dev->ungetChar(ch2);
dev->ungetChar(ch);
QCOMPARE(dev->read(1), result.left(1));
QCOMPARE(dev->read(3), result.right(3));
if (i == 0)
dev->seek(0);
else
dev->readLine();
dev->getChar(&ch);
dev->ungetChar(ch);
dev->readLine(buf, 5);
QCOMPARE(static_cast<const char*>(buf), lineResult);
if (i == 1)
socket.close();
}
}
//--------------------------------------------------------------------
void tst_QIODevice::peek()
{
QBuffer buffer;
QFile::remove("peektestfile");
QFile file("peektestfile");
for (int i = 0; i < 2; ++i) {
QIODevice *device = i ? (QIODevice *)&file : (QIODevice *)&buffer;
device->open(QBuffer::ReadWrite);
device->write("ZXCV");
device->seek(0);
QCOMPARE(device->peek(4), QByteArray("ZXCV"));
QCOMPARE(device->pos(), qint64(0));
device->write("ABCDE");
device->seek(3);
QCOMPARE(device->peek(1), QByteArray("D"));
QCOMPARE(device->peek(5), QByteArray("DE"));
device->seek(0);
QCOMPARE(device->read(4), QByteArray("ABCD"));
QCOMPARE(device->pos(), qint64(4));
device->seek(0);
device->write("ZXCV");
device->seek(0);
char buf[5];
buf[4] = 0;
device->peek(buf, 4);
QCOMPARE(static_cast<const char *>(buf), "ZXCV");
QCOMPARE(device->pos(), qint64(0));
device->read(buf, 4);
QCOMPARE(static_cast<const char *>(buf), "ZXCV");
QCOMPARE(device->pos(), qint64(4));
}
QFile::remove("peektestfile");
}
void tst_QIODevice::peekAndRead()
{
QByteArray originalData;
for (int i=0;i<1000;i++)
originalData += "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
QBuffer buffer;
QFile::remove("peektestfile");
QFile file("peektestfile");
for (int i = 0; i < 2; ++i) {
QByteArray readData;
QIODevice *device = i ? (QIODevice *)&file : (QIODevice *)&buffer;
device->open(QBuffer::ReadWrite);
device->write(originalData);
device->seek(0);
while (!device->atEnd()) {
char peekIn[26];
device->peek(peekIn, 26);
readData += device->read(26);
}
QCOMPARE(readData, originalData);
}
QFile::remove("peektestfile");
}
void tst_QIODevice::getch()
{
#ifdef QT3_SUPPORT
QBuffer buffer;
buffer.open(QBuffer::ReadWrite);
buffer.write("\xff\x7f\x80\x00", 4);
buffer.reset();
QCOMPARE(buffer.getch(), 0xff);
QCOMPARE(buffer.getch(), 0x7f);
QCOMPARE(buffer.getch(), 0x80);
QCOMPARE(buffer.getch(), 0x00);
buffer.ungetch(0x00);
buffer.ungetch(0x80);
buffer.ungetch(0x7f);
buffer.ungetch(0xff);
QCOMPARE(buffer.getch(), 0xff);
QCOMPARE(buffer.getch(), 0x7f);
QCOMPARE(buffer.getch(), 0x80);
QCOMPARE(buffer.getch(), 0x00);
#endif
}
void tst_QIODevice::putch()
{
#ifdef QT3_SUPPORT
QBuffer buffer;
buffer.open(QBuffer::ReadWrite);
buffer.putch(0xff);
buffer.putch(0x7f);
buffer.putch(0x80);
buffer.putch(0x00);
buffer.reset();
QCOMPARE(buffer.getch(), 0xff);
QCOMPARE(buffer.getch(), 0x7f);
QCOMPARE(buffer.getch(), 0x80);
QCOMPARE(buffer.getch(), 0x00);
#endif
}
void tst_QIODevice::readLine_data()
{
QTest::addColumn<QByteArray>("data");
QTest::newRow("0") << QByteArray("\nAA");
QTest::newRow("1") << QByteArray("A\nAA");
QByteArray data(9000, 'A');
data[8193] = '\n';
QTest::newRow("8194") << data;
data[8193] = 'A';
data[8192] = '\n';
QTest::newRow("8193") << data;
data[8192] = 'A';
data[8191] = '\n';
QTest::newRow("8192") << data;
data[8191] = 'A';
data[8190] = '\n';
QTest::newRow("8191") << data;
data[5999] = '\n';
QTest::newRow("6000") << data;
data[4095] = '\n';
QTest::newRow("4096") << data;
data[4094] = '\n';
data[4095] = 'A';
QTest::newRow("4095") << data;
}
void tst_QIODevice::readLine()
{
QFETCH(QByteArray, data);
QBuffer buffer(&data);
QVERIFY(buffer.open(QIODevice::ReadWrite));
QVERIFY(buffer.canReadLine());
int linelen = data.indexOf('\n') + 1;
QByteArray line;
line.reserve(linelen + 100);
int result = buffer.readLine(line.data(), linelen + 100);
QCOMPARE(result, linelen);
// try the exact length of the line (plus terminating \0)
QVERIFY(buffer.seek(0));
result = buffer.readLine(line.data(), linelen + 1);
QCOMPARE(result, linelen);
// try with a line length limit
QVERIFY(buffer.seek(0));
line = buffer.readLine(linelen + 100);
QCOMPARE(line.size(), linelen);
// try without a length limit
QVERIFY(buffer.seek(0));
line = buffer.readLine();
QCOMPARE(line.size(), linelen);
}
void tst_QIODevice::readLine2_data()
{
QTest::addColumn<QByteArray>("line");
QTest::newRow("1024 - 4") << QByteArray(1024 - 4, 'x');
QTest::newRow("1024 - 3") << QByteArray(1024 - 3, 'x');
QTest::newRow("1024 - 2") << QByteArray(1024 - 2, 'x');
QTest::newRow("1024 - 1") << QByteArray(1024 - 1, 'x');
QTest::newRow("1024" ) << QByteArray(1024 , 'x');
QTest::newRow("1024 + 1") << QByteArray(1024 + 1, 'x');
QTest::newRow("1024 + 2") << QByteArray(1024 + 2, 'x');
QTest::newRow("4096 - 4") << QByteArray(4096 - 4, 'x');
QTest::newRow("4096 - 3") << QByteArray(4096 - 3, 'x');
QTest::newRow("4096 - 2") << QByteArray(4096 - 2, 'x');
QTest::newRow("4096 - 1") << QByteArray(4096 - 1, 'x');
QTest::newRow("4096" ) << QByteArray(4096 , 'x');
QTest::newRow("4096 + 1") << QByteArray(4096 + 1, 'x');
QTest::newRow("4096 + 2") << QByteArray(4096 + 2, 'x');
QTest::newRow("8192 - 4") << QByteArray(8192 - 4, 'x');
QTest::newRow("8192 - 3") << QByteArray(8192 - 3, 'x');
QTest::newRow("8192 - 2") << QByteArray(8192 - 2, 'x');
QTest::newRow("8192 - 1") << QByteArray(8192 - 1, 'x');
QTest::newRow("8192" ) << QByteArray(8192 , 'x');
QTest::newRow("8192 + 1") << QByteArray(8192 + 1, 'x');
QTest::newRow("8192 + 2") << QByteArray(8192 + 2, 'x');
QTest::newRow("16384 - 4") << QByteArray(16384 - 4, 'x');
QTest::newRow("16384 - 3") << QByteArray(16384 - 3, 'x');
QTest::newRow("16384 - 2") << QByteArray(16384 - 2, 'x');
QTest::newRow("16384 - 1") << QByteArray(16384 - 1, 'x');
QTest::newRow("16384" ) << QByteArray(16384 , 'x');
QTest::newRow("16384 + 1") << QByteArray(16384 + 1, 'x');
QTest::newRow("16384 + 2") << QByteArray(16384 + 2, 'x');
QTest::newRow("20000") << QByteArray(20000, 'x');
QTest::newRow("32768 - 4") << QByteArray(32768 - 4, 'x');
QTest::newRow("32768 - 3") << QByteArray(32768 - 3, 'x');
QTest::newRow("32768 - 2") << QByteArray(32768 - 2, 'x');
QTest::newRow("32768 - 1") << QByteArray(32768 - 1, 'x');
QTest::newRow("32768" ) << QByteArray(32768 , 'x');
QTest::newRow("32768 + 1") << QByteArray(32768 + 1, 'x');
QTest::newRow("32768 + 2") << QByteArray(32768 + 2, 'x');
QTest::newRow("40000") << QByteArray(40000, 'x');
}
void tst_QIODevice::readLine2()
{
QFETCH(QByteArray, line);
int length = line.size();
QByteArray data("First line.\r\n");
data.append(line);
data.append("\r\n");
data.append(line);
data.append("\r\n");
data.append("\r\n0123456789");
{
QBuffer buffer(&data);
buffer.open(QIODevice::ReadOnly);
buffer.seek(0);
QByteArray temp;
temp.resize(64536);
QCOMPARE(buffer.readLine(temp.data(), temp.size()), qint64(13));
QCOMPARE(buffer.readLine(temp.data(), temp.size()), qint64(length + 2));
QCOMPARE(buffer.readLine(temp.data(), temp.size()), qint64(length + 2));
QCOMPARE(buffer.readLine(temp.data(), temp.size()), qint64(2));
QCOMPARE(buffer.readLine(temp.data(), temp.size()), qint64(10));
QCOMPARE(buffer.readLine(temp.data(), temp.size()), qint64(-1));
buffer.seek(0);
QCOMPARE(buffer.readLine().size(), 13);
QCOMPARE(buffer.readLine().size(), length + 2);
QCOMPARE(buffer.readLine().size(), length + 2);
QCOMPARE(buffer.readLine().size(), 2);
QCOMPARE(buffer.readLine().size(), 10);
QVERIFY(buffer.readLine().isNull());
}
{
QBuffer buffer(&data);
buffer.open(QIODevice::ReadOnly | QIODevice::Text);
buffer.seek(0);
QByteArray temp;
temp.resize(64536);
QCOMPARE(buffer.readLine(temp.data(), temp.size()), qint64(12));
QCOMPARE(buffer.readLine(temp.data(), temp.size()), qint64(length + 1));
QCOMPARE(buffer.readLine(temp.data(), temp.size()), qint64(length + 1));
QCOMPARE(buffer.readLine(temp.data(), temp.size()), qint64(1));
QCOMPARE(buffer.readLine(temp.data(), temp.size()), qint64(10));
QCOMPARE(buffer.readLine(temp.data(), temp.size()), qint64(-1));
buffer.seek(0);
QCOMPARE(buffer.readLine().size(), 12);
QCOMPARE(buffer.readLine().size(), length + 1);
QCOMPARE(buffer.readLine().size(), length + 1);
QCOMPARE(buffer.readLine().size(), 1);
QCOMPARE(buffer.readLine().size(), 10);
QVERIFY(buffer.readLine().isNull());
}
}
class PeekBug : public QIODevice {
Q_OBJECT
public:
char alphabet[27];
qint64 counter;
PeekBug() : QIODevice(), counter(0) {
memcpy(alphabet,"abcdefghijklmnopqrstuvqxyz",27);
};
qint64 readData(char *data, qint64 maxlen) {
qint64 pos = 0;
while (pos < maxlen) {
*(data + pos) = alphabet[counter];
pos++;
counter++;
if (counter == 26)
counter = 0;
}
return maxlen;
}
qint64 writeData(const char *data, qint64 maxlen) {
return -1;
}
};
// This is a testcase for the bug fixed with bd287865
void tst_QIODevice::peekBug()
{
PeekBug peekBug;
peekBug.open(QIODevice::ReadOnly | QIODevice::Unbuffered);
char onetwo[2];
peekBug.peek(onetwo, 2);
QCOMPARE(onetwo[0], 'a');
QCOMPARE(onetwo[1], 'b');
peekBug.read(onetwo, 1);
QCOMPARE(onetwo[0], 'a');
peekBug.peek(onetwo, 2);
QCOMPARE(onetwo[0], 'b');
QCOMPARE(onetwo[1], 'c');
peekBug.read(onetwo, 1);
QCOMPARE(onetwo[0], 'b');
peekBug.read(onetwo, 1);
QCOMPARE(onetwo[0], 'c');
peekBug.read(onetwo, 1);
QCOMPARE(onetwo[0], 'd');
peekBug.peek(onetwo, 2);
QCOMPARE(onetwo[0], 'e');
QCOMPARE(onetwo[1], 'f');
}
QTEST_MAIN(tst_QIODevice)
#include "tst_qiodevice.moc"
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