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qt5base-lts/tests/auto/qdiriterator/tst_qdiriterator.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

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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 <QtTest/QtTest>
#include <qcoreapplication.h>
#include <qdebug.h>
#include <qdiriterator.h>
#include <qfileinfo.h>
#include <qstringlist.h>
#if defined(Q_OS_VXWORKS)
#define Q_NO_SYMLINKS
#endif
#if defined(Q_OS_SYMBIAN)
#define Q_NO_SYMLINKS
#define Q_NO_SYMLINKS_TO_DIRS
#endif
#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
#include "../network-settings.h"
#endif
Q_DECLARE_METATYPE(QDirIterator::IteratorFlags)
Q_DECLARE_METATYPE(QDir::Filters)
//TESTED_CLASS=
//TESTED_FILES=
class tst_QDirIterator : public QObject
{
Q_OBJECT
public:
tst_QDirIterator();
virtual ~tst_QDirIterator();
private: // convenience functions
QStringList createdDirectories;
QStringList createdFiles;
QDir currentDir;
bool createDirectory(const QString &dirName)
{
if (currentDir.mkdir(dirName)) {
createdDirectories.prepend(dirName);
return true;
}
return false;
}
enum Cleanup { DoDelete, DontDelete };
bool createFile(const QString &fileName, Cleanup cleanup = DoDelete)
{
QFile file(fileName);
if (file.open(QIODevice::WriteOnly)) {
if (cleanup == DoDelete)
createdFiles << fileName;
return true;
}
return false;
}
bool createLink(const QString &destination, const QString &linkName)
{
if (QFile::link(destination, linkName)) {
createdFiles << linkName;
return true;
}
return false;
}
private slots:
void iterateRelativeDirectory_data();
void iterateRelativeDirectory();
void iterateResource_data();
void iterateResource();
void stopLinkLoop();
void engineWithNoIterator();
void absoluteFilePathsFromRelativeIteratorPath();
void recurseWithFilters() const;
void longPath();
void task185502_dirorder();
void relativePaths();
#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
void uncPaths_data();
void uncPaths();
#endif
void qtbug15421_hiddenDirs_hiddenFiles();
};
tst_QDirIterator::tst_QDirIterator()
{
QFile::remove("entrylist/entrylist1.lnk");
QFile::remove("entrylist/entrylist2.lnk");
QFile::remove("entrylist/entrylist3.lnk");
QFile::remove("entrylist/entrylist4.lnk");
QFile::remove("entrylist/directory/entrylist1.lnk");
QFile::remove("entrylist/directory/entrylist2.lnk");
QFile::remove("entrylist/directory/entrylist3.lnk");
QFile::remove("entrylist/directory/entrylist4.lnk");
createDirectory("entrylist");
createDirectory("entrylist/directory");
createFile("entrylist/file", DontDelete);
createFile("entrylist/writable");
createFile("entrylist/directory/dummy", DontDelete);
createDirectory("recursiveDirs");
createDirectory("recursiveDirs/dir1");
createFile("recursiveDirs/textFileA.txt");
createFile("recursiveDirs/dir1/aPage.html");
createFile("recursiveDirs/dir1/textFileB.txt");
createDirectory("foo");
createDirectory("foo/bar");
createFile("foo/bar/readme.txt");
createDirectory("empty");
#ifndef Q_NO_SYMLINKS
# if defined(Q_OS_WIN) || defined(Q_OS_SYMBIAN)
// ### Sadly, this is a platform difference right now.
createLink("entrylist/file", "entrylist/linktofile.lnk");
# ifndef Q_NO_SYMLINKS_TO_DIRS
createLink("entrylist/directory", "entrylist/linktodirectory.lnk");
# endif
createLink("entrylist/nothing", "entrylist/brokenlink.lnk");
# else
createLink("file", "entrylist/linktofile.lnk");
# ifndef Q_NO_SYMLINKS_TO_DIRS
createLink("directory", "entrylist/linktodirectory.lnk");
# endif
createLink("nothing", "entrylist/brokenlink.lnk");
# endif
#endif
createDirectory("qtbug15421_hiddenDirs_hiddenFiles");
createFile("qtbug15421_hiddenDirs_hiddenFiles/normalFile");
createFile("qtbug15421_hiddenDirs_hiddenFiles/.hiddenFile");
createDirectory("qtbug15421_hiddenDirs_hiddenFiles/normalDirectory");
createDirectory("qtbug15421_hiddenDirs_hiddenFiles/.hiddenDirectory");
createFile("qtbug15421_hiddenDirs_hiddenFiles/normalDirectory/normalFile");
createFile("qtbug15421_hiddenDirs_hiddenFiles/normalDirectory/.hiddenFile");
createFile("qtbug15421_hiddenDirs_hiddenFiles/.hiddenDirectory/normalFile");
createFile("qtbug15421_hiddenDirs_hiddenFiles/.hiddenDirectory/.hiddenFile");
createDirectory("qtbug15421_hiddenDirs_hiddenFiles/normalDirectory/normalDirectory");
createDirectory("qtbug15421_hiddenDirs_hiddenFiles/normalDirectory/.hiddenDirectory");
createDirectory("qtbug15421_hiddenDirs_hiddenFiles/.hiddenDirectory/normalDirectory");
createDirectory("qtbug15421_hiddenDirs_hiddenFiles/.hiddenDirectory/.hiddenDirectory");
}
tst_QDirIterator::~tst_QDirIterator()
{
Q_FOREACH(QString fileName, createdFiles)
QFile::remove(fileName);
Q_FOREACH(QString dirName, createdDirectories)
currentDir.rmdir(dirName);
}
void tst_QDirIterator::iterateRelativeDirectory_data()
{
QTest::addColumn<QString>("dirName"); // relative from current path or abs
QTest::addColumn<QDirIterator::IteratorFlags>("flags");
QTest::addColumn<QDir::Filters>("filters");
QTest::addColumn<QStringList>("nameFilters");
QTest::addColumn<QStringList>("entries");
QTest::newRow("no flags")
<< QString("entrylist") << QDirIterator::IteratorFlags(0)
<< QDir::Filters(QDir::NoFilter) << QStringList("*")
<< QString(
#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
"entrylist/.,"
"entrylist/..,"
#endif
"entrylist/file,"
#ifndef Q_NO_SYMLINKS
"entrylist/linktofile.lnk,"
#endif
"entrylist/directory,"
#if !defined(Q_NO_SYMLINKS) && !defined(Q_NO_SYMLINKS_TO_DIRS)
"entrylist/linktodirectory.lnk,"
#endif
"entrylist/writable").split(',');
QTest::newRow("NoDot")
<< QString("entrylist") << QDirIterator::IteratorFlags(0)
<< QDir::Filters(QDir::AllEntries | QDir::NoDot) << QStringList("*")
<< QString(
#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
"entrylist/..,"
#endif
"entrylist/file,"
#ifndef Q_NO_SYMLINKS
"entrylist/linktofile.lnk,"
#endif
"entrylist/directory,"
#if !defined(Q_NO_SYMLINKS) && !defined(Q_NO_SYMLINKS_TO_DIRS)
"entrylist/linktodirectory.lnk,"
#endif
"entrylist/writable").split(',');
QTest::newRow("NoDotDot")
<< QString("entrylist") << QDirIterator::IteratorFlags(0)
<< QDir::Filters(QDir::AllEntries | QDir::NoDotDot) << QStringList("*")
<< QString(
#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
"entrylist/.,"
#endif
"entrylist/file,"
#ifndef Q_NO_SYMLINKS
"entrylist/linktofile.lnk,"
#endif
"entrylist/directory,"
#if !defined(Q_NO_SYMLINKS) && !defined(Q_NO_SYMLINKS_TO_DIRS)
"entrylist/linktodirectory.lnk,"
#endif
"entrylist/writable").split(',');
QTest::newRow("NoDotAndDotDot")
<< QString("entrylist") << QDirIterator::IteratorFlags(0)
<< QDir::Filters(QDir::AllEntries | QDir::NoDotAndDotDot) << QStringList("*")
<< QString(
"entrylist/file,"
#ifndef Q_NO_SYMLINKS
"entrylist/linktofile.lnk,"
#endif
"entrylist/directory,"
#if !defined(Q_NO_SYMLINKS) && !defined(Q_NO_SYMLINKS_TO_DIRS)
"entrylist/linktodirectory.lnk,"
#endif
"entrylist/writable").split(',');
QTest::newRow("QDir::Subdirectories | QDir::FollowSymlinks")
<< QString("entrylist") << QDirIterator::IteratorFlags(QDirIterator::Subdirectories | QDirIterator::FollowSymlinks)
<< QDir::Filters(QDir::NoFilter) << QStringList("*")
<< QString(
#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
"entrylist/.,"
"entrylist/..,"
"entrylist/directory/.,"
"entrylist/directory/..,"
#endif
"entrylist/file,"
#ifndef Q_NO_SYMLINKS
"entrylist/linktofile.lnk,"
#endif
"entrylist/directory,"
"entrylist/directory/dummy,"
#if !defined(Q_NO_SYMLINKS) && !defined(Q_NO_SYMLINKS_TO_DIRS)
"entrylist/linktodirectory.lnk,"
#endif
"entrylist/writable").split(',');
QTest::newRow("QDir::Subdirectories / QDir::Files")
<< QString("entrylist") << QDirIterator::IteratorFlags(QDirIterator::Subdirectories)
<< QDir::Filters(QDir::Files) << QStringList("*")
<< QString("entrylist/directory/dummy,"
"entrylist/file,"
#ifndef Q_NO_SYMLINKS
"entrylist/linktofile.lnk,"
#endif
"entrylist/writable").split(',');
QTest::newRow("QDir::Subdirectories | QDir::FollowSymlinks / QDir::Files")
<< QString("entrylist") << QDirIterator::IteratorFlags(QDirIterator::Subdirectories | QDirIterator::FollowSymlinks)
<< QDir::Filters(QDir::Files) << QStringList("*")
<< QString("entrylist/file,"
#ifndef Q_NO_SYMLINKS
"entrylist/linktofile.lnk,"
#endif
"entrylist/directory/dummy,"
"entrylist/writable").split(',');
QTest::newRow("empty, default")
<< QString("empty") << QDirIterator::IteratorFlags(0)
<< QDir::Filters(QDir::NoFilter) << QStringList("*")
#if defined(Q_OS_SYMBIAN) || defined(Q_OS_WINCE)
<< QStringList();
#else
<< QString("empty/.,empty/..").split(',');
#endif
QTest::newRow("empty, QDir::NoDotAndDotDot")
<< QString("empty") << QDirIterator::IteratorFlags(0)
<< QDir::Filters(QDir::NoDotAndDotDot) << QStringList("*")
<< QStringList();
}
void tst_QDirIterator::iterateRelativeDirectory()
{
QFETCH(QString, dirName);
QFETCH(QDirIterator::IteratorFlags, flags);
QFETCH(QDir::Filters, filters);
QFETCH(QStringList, nameFilters);
QFETCH(QStringList, entries);
QDirIterator it(dirName, nameFilters, filters, flags);
QStringList list;
while (it.hasNext()) {
QString next = it.next();
QString fileName = it.fileName();
QString filePath = it.filePath();
QString path = it.path();
QFileInfo info = it.fileInfo();
QCOMPARE(path, dirName);
QCOMPARE(next, filePath);
QCOMPARE(info, QFileInfo(next));
QCOMPARE(fileName, info.fileName());
QCOMPARE(filePath, info.filePath());
// Using canonical file paths for final comparison
list << info.canonicalFilePath();
}
// The order of items returned by QDirIterator is not guaranteed.
list.sort();
QStringList sortedEntries;
foreach(QString item, entries)
sortedEntries.append(QFileInfo(item).canonicalFilePath());
sortedEntries.sort();
if (sortedEntries != list) {
qDebug() << "EXPECTED:" << sortedEntries;
qDebug() << "ACTUAL: " << list;
}
QCOMPARE(list, sortedEntries);
}
void tst_QDirIterator::iterateResource_data()
{
QTest::addColumn<QString>("dirName"); // relative from current path or abs
QTest::addColumn<QDirIterator::IteratorFlags>("flags");
QTest::addColumn<QDir::Filters>("filters");
QTest::addColumn<QStringList>("nameFilters");
QTest::addColumn<QStringList>("entries");
QTest::newRow("invalid") << QString::fromLatin1(":/burpaburpa") << QDirIterator::IteratorFlags(0)
<< QDir::Filters(QDir::NoFilter) << QStringList(QLatin1String("*"))
<< QStringList();
QTest::newRow(":/") << QString::fromLatin1(":/") << QDirIterator::IteratorFlags(0)
<< QDir::Filters(QDir::NoFilter) << QStringList(QLatin1String("*"))
<< QString::fromLatin1(":/entrylist").split(QLatin1String(","));
QTest::newRow(":/entrylist") << QString::fromLatin1(":/entrylist") << QDirIterator::IteratorFlags(0)
<< QDir::Filters(QDir::NoFilter) << QStringList(QLatin1String("*"))
<< QString::fromLatin1(":/entrylist/directory,:/entrylist/file").split(QLatin1String(","));
QTest::newRow(":/ recursive") << QString::fromLatin1(":/") << QDirIterator::IteratorFlags(QDirIterator::Subdirectories)
<< QDir::Filters(QDir::NoFilter) << QStringList(QLatin1String("*"))
<< QString::fromLatin1(":/entrylist,:/entrylist/directory,:/entrylist/directory/dummy,:/entrylist/file").split(QLatin1String(","));
}
void tst_QDirIterator::iterateResource()
{
QFETCH(QString, dirName);
QFETCH(QDirIterator::IteratorFlags, flags);
QFETCH(QDir::Filters, filters);
QFETCH(QStringList, nameFilters);
QFETCH(QStringList, entries);
QDirIterator it(dirName, nameFilters, filters, flags);
QStringList list;
while (it.hasNext())
list << it.next();
list.sort();
QStringList sortedEntries = entries;
sortedEntries.sort();
if (sortedEntries != list) {
qDebug() << "EXPECTED:" << sortedEntries;
qDebug() << "ACTUAL:" << list;
}
QCOMPARE(list, sortedEntries);
}
void tst_QDirIterator::stopLinkLoop()
{
#ifdef Q_OS_WIN
// ### Sadly, this is a platform difference right now.
createLink(QDir::currentPath() + QLatin1String("/entrylist"), "entrylist/entrylist1.lnk");
createLink("entrylist/.", "entrylist/entrylist2.lnk");
createLink("entrylist/../entrylist/.", "entrylist/entrylist3.lnk");
createLink("entrylist/..", "entrylist/entrylist4.lnk");
createLink(QDir::currentPath() + QLatin1String("/entrylist"), "entrylist/directory/entrylist1.lnk");
createLink("entrylist/.", "entrylist/directory/entrylist2.lnk");
createLink("entrylist/../directory/.", "entrylist/directory/entrylist3.lnk");
createLink("entrylist/..", "entrylist/directory/entrylist4.lnk");
#else
createLink(QDir::currentPath() + QLatin1String("/entrylist"), "entrylist/entrylist1.lnk");
createLink(".", "entrylist/entrylist2.lnk");
createLink("../entrylist/.", "entrylist/entrylist3.lnk");
createLink("..", "entrylist/entrylist4.lnk");
createLink(QDir::currentPath() + QLatin1String("/entrylist"), "entrylist/directory/entrylist1.lnk");
createLink(".", "entrylist/directory/entrylist2.lnk");
createLink("../directory/.", "entrylist/directory/entrylist3.lnk");
createLink("..", "entrylist/directory/entrylist4.lnk");
#endif
QDirIterator it(QLatin1String("entrylist"), QDirIterator::Subdirectories | QDirIterator::FollowSymlinks);
QStringList list;
int max = 200;
while (--max && it.hasNext())
it.next();
QVERIFY(max);
// The goal of this test is only to ensure that the test above don't malfunction
}
class EngineWithNoIterator : public QFSFileEngine
{
public:
EngineWithNoIterator(const QString &fileName)
: QFSFileEngine(fileName)
{ }
QAbstractFileEngineIterator *beginEntryList(QDir::Filters, const QStringList &)
{ return 0; }
};
class EngineWithNoIteratorHandler : public QAbstractFileEngineHandler
{
public:
QAbstractFileEngine *create(const QString &fileName) const
{
return new EngineWithNoIterator(fileName);
}
};
void tst_QDirIterator::engineWithNoIterator()
{
EngineWithNoIteratorHandler handler;
QDir("entrylist").entryList();
QVERIFY(true); // test that the above line doesn't crash
}
void tst_QDirIterator::absoluteFilePathsFromRelativeIteratorPath()
{
QDirIterator it("entrylist/", QDir::NoDotAndDotDot);
while (it.hasNext()) {
it.next();
QVERIFY(QFileInfo(it.filePath()).absoluteFilePath().contains("entrylist"));
}
}
void tst_QDirIterator::recurseWithFilters() const
{
QStringList nameFilters;
nameFilters.append("*.txt");
QDirIterator it("recursiveDirs/", nameFilters, QDir::Files,
QDirIterator::Subdirectories);
QSet<QString> actualEntries;
QSet<QString> expectedEntries;
expectedEntries.insert(QString::fromLatin1("recursiveDirs/dir1/textFileB.txt"));
expectedEntries.insert(QString::fromLatin1("recursiveDirs/textFileA.txt"));
QVERIFY(it.hasNext());
it.next();
actualEntries.insert(it.fileInfo().filePath());
QVERIFY(it.hasNext());
it.next();
actualEntries.insert(it.fileInfo().filePath());
QVERIFY(actualEntries == expectedEntries);
QVERIFY(!it.hasNext());
}
void tst_QDirIterator::longPath()
{
QDir dir;
dir.mkdir("longpaths");
dir.cd("longpaths");
QString dirName = "x";
int n = 0;
while (dir.exists(dirName) || dir.mkdir(dirName)) {
++n;
dirName.append('x');
#if defined(Q_OS_WINCE) && defined(WINCE_BROKEN_ITERATE)
// Some Windows CE devices/emulators are broken.
// though one can create directories of length <= 217,
// FindNextFile only reports entries until ~ 214.
if (n >= 210)
break;
#endif
}
QDirIterator it(dir.absolutePath(), QDir::NoDotAndDotDot|QDir::Dirs, QDirIterator::Subdirectories);
int m = 0;
while (it.hasNext()) {
++m;
it.next();
}
QCOMPARE(n, m);
dirName.chop(1);
while (dirName.length() > 0 && dir.exists(dirName) && dir.rmdir(dirName)) {
dirName.chop(1);
}
dir.cdUp();
dir.rmdir("longpaths");
}
void tst_QDirIterator::task185502_dirorder()
{
QDirIterator iterator("foo", QDirIterator::Subdirectories);
while (iterator.hasNext() && iterator.next() != "foo/bar")
{ }
QCOMPARE(iterator.filePath(), QString("foo/bar"));
QCOMPARE(iterator.fileInfo().filePath(), QString("foo/bar"));
}
void tst_QDirIterator::relativePaths()
{
QDirIterator iterator("*", QDirIterator::Subdirectories);
while(iterator.hasNext()) {
QCOMPARE(iterator.filePath(), QDir::cleanPath(iterator.filePath()));
}
}
#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
void tst_QDirIterator::uncPaths_data()
{
QTest::addColumn<QString>("dirName");
QTest::newRow("uncserver")
<<QString("//" + QtNetworkSettings::winServerName());
QTest::newRow("uncserver/testshare")
<<QString("//" + QtNetworkSettings::winServerName() + "/testshare");
QTest::newRow("uncserver/testshare/tmp")
<<QString("//" + QtNetworkSettings::winServerName() + "/testshare/tmp");
}
void tst_QDirIterator::uncPaths()
{
QFETCH(QString, dirName);
QDirIterator iterator(dirName, QDir::AllEntries|QDir::NoDotAndDotDot, QDirIterator::Subdirectories);
while(iterator.hasNext()) {
iterator.next();
QCOMPARE(iterator.filePath(), QDir::cleanPath(iterator.filePath()));
}
}
#endif
void tst_QDirIterator::qtbug15421_hiddenDirs_hiddenFiles()
{
// In Unix it is easy to create hidden files, but in Windows it requires
// a special call since hidden files need to be "marked" while in Unix
// anything starting by a '.' is a hidden file.
// For that reason this test is not run in Windows.
#if defined Q_OS_WIN || Q_OS_WINCE
QSKIP("To create hidden files a special call is required in Windows.", SkipAll);
#else
// Only files
{
int matches = 0;
int failures = 0;
QDirIterator di("qtbug15421_hiddenDirs_hiddenFiles", QDir::Files | QDir::Hidden | QDir::NoDotAndDotDot, QDirIterator::Subdirectories);
while (di.hasNext()) {
++matches;
QString filename = di.next();
if (QFileInfo(filename).isDir())
++failures; // search was only supposed to find files
}
QCOMPARE(matches, 6);
QCOMPARE(failures, 0);
}
// Only directories
{
int matches = 0;
int failures = 0;
QDirIterator di("qtbug15421_hiddenDirs_hiddenFiles", QDir::Dirs | QDir::Hidden | QDir::NoDotAndDotDot, QDirIterator::Subdirectories);
while (di.hasNext()) {
++matches;
QString filename = di.next();
if (!QFileInfo(filename).isDir())
++failures; // search was only supposed to find files
}
QCOMPARE(matches, 6);
QCOMPARE(failures, 0);
}
#endif // Q_OS_WIN || Q_OS_WINCE
}
QTEST_MAIN(tst_QDirIterator)
#include "tst_qdiriterator.moc"
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