qt 6.5.1 original

tests/auto/corelib/io/qtemporaryfile/CMakeLists.txt

@@ -0,0 +1,53 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_qtemporaryfile Test:
+#####################################################################
+
+# Collect test data
+list(APPEND test_data "tst_qtemporaryfile.cpp")
+
+qt_internal_add_test(tst_qtemporaryfile
+    SOURCES
+        tst_qtemporaryfile.cpp
+    LIBRARIES
+        Qt::TestPrivate
+    TESTDATA ${test_data}
+)
+
+# Resources:
+set(qtemporaryfile_resource_files
+    "resources/test.txt"
+)
+
+qt_internal_add_resource(tst_qtemporaryfile "qtemporaryfile"
+    PREFIX
+        "/"
+    FILES
+        ${qtemporaryfile_resource_files}
+)
+
+
+## Scopes:
+#####################################################################
+
+if(ANDROID)
+    # Resources:
+    set(android_testdata_resource_files
+        "resources/test.txt"
+        "tst_qtemporaryfile.cpp"
+    )
+
+    qt_internal_add_resource(tst_qtemporaryfile "android_testdata"
+        PREFIX
+            "/android_testdata"
+        FILES
+            ${android_testdata_resource_files}
+    )
+endif()
+
+qt_internal_extend_target(tst_qtemporaryfile CONDITION WIN32
+    LIBRARIES
+        shlwapi
+)

tests/auto/corelib/io/qtemporaryfile/android_testdata.qrc

@@ -0,0 +1,6 @@
+<RCC>
+    <qresource prefix="/android_testdata">
+        <file>tst_qtemporaryfile.cpp</file>
+        <file>resources/test.txt</file>
+    </qresource>
+</RCC>

tests/auto/corelib/io/qtemporaryfile/resources/test.txt

@@ -0,0 +1 @@
+This is a test

tests/auto/corelib/io/qtemporaryfile/tst_qtemporaryfile.cpp

@@ -0,0 +1,985 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// Copyright (C) 2017 Intel Corporation.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <QTest>
+#include <qcoreapplication.h>
+#include <qstring.h>
+#include <qtemporarydir.h>
+#include <qtemporaryfile.h>
+#include <qfile.h>
+#include <qdatetime.h>
+#include <qdir.h>
+#include <qset.h>
+
+#include <QtTest/private/qtesthelpers_p.h>
+
+#if defined(Q_OS_WIN)
+# include <shlwapi.h>
+# include <qt_windows.h>
+#endif
+#if defined(Q_OS_UNIX)
+# include <sys/types.h>
+# include <sys/stat.h>
+# include <errno.h>
+# include <fcntl.h>             // open(2)
+# include <unistd.h>            // close(2)
+#endif
+
+#ifdef Q_OS_ANDROID
+#include <QDirIterator>
+#include <QStandardPaths>
+#endif
+
+#ifdef Q_OS_INTEGRITY
+#include "qplatformdefs.h"
+#endif
+
+using namespace Qt::StringLiterals;
+
+class tst_QTemporaryFile : public QObject
+{
+    Q_OBJECT
+public slots:
+    void initTestCase();
+    void cleanupTestCase();
+
+private slots:
+    void construction();
+    void fileTemplate();
+    void fileTemplate_data();
+    void getSetCheck();
+    void fileName();
+    void fileNameIsEmpty();
+    void autoRemove();
+    void nonWritableCurrentDir();
+    void io();
+    void openCloseOpenClose();
+    void removeAndReOpen();
+    void removeUnnamed();
+    void size();
+    void resize();
+    void openOnRootDrives();
+    void stressTest();
+    void rename();
+    void renameFdLeak();
+    void reOpenThroughQFile();
+    void keepOpenMode();
+    void resetTemplateAfterError();
+    void setTemplateAfterOpen();
+    void autoRemoveAfterFailedRename();
+    void createNativeFile_data();
+    void createNativeFile();
+    void QTBUG_4796_data();
+    void QTBUG_4796();
+    void guaranteeUnique();
+private:
+    QTemporaryDir m_temporaryDir;
+    QString m_previousCurrent;
+};
+
+void tst_QTemporaryFile::initTestCase()
+{
+    QVERIFY2(m_temporaryDir.isValid(), qPrintable(m_temporaryDir.errorString()));
+    m_previousCurrent = QDir::currentPath();
+    QVERIFY(QDir::setCurrent(m_temporaryDir.path()));
+
+    // For QTBUG_4796
+    QVERIFY(QDir("test-XXXXXX").exists() || QDir().mkdir("test-XXXXXX"));
+    QCoreApplication::setApplicationName("tst_qtemporaryfile");
+
+#ifdef Q_OS_ANDROID
+    QString sourceDir(":/android_testdata/");
+    QDirIterator it(sourceDir, QDirIterator::Subdirectories);
+    while (it.hasNext()) {
+        QFileInfo sourceFileInfo = it.nextFileInfo();
+        if (!sourceFileInfo.isDir()) {
+            QFileInfo destinationFileInfo(
+                QStandardPaths::writableLocation(QStandardPaths::CacheLocation) + QLatin1Char('/')
+                + sourceFileInfo.filePath().mid(sourceDir.length()));
+
+            if (!destinationFileInfo.exists()) {
+                QVERIFY(QDir().mkpath(destinationFileInfo.path()));
+                QVERIFY(QFile::copy(sourceFileInfo.filePath(), destinationFileInfo.filePath()));
+            }
+        }
+    }
+#endif
+}
+
+void tst_QTemporaryFile::cleanupTestCase()
+{
+    QDir::setCurrent(m_previousCurrent);
+}
+
+void tst_QTemporaryFile::construction()
+{
+    QTemporaryFile file(0);
+    QString tmp = QDir::tempPath();
+    QCOMPARE(file.fileTemplate().left(tmp.size()), tmp);
+    QCOMPARE(file.fileTemplate().at(tmp.size()), QChar('/'));
+}
+
+// Testing get/set functions
+void tst_QTemporaryFile::getSetCheck()
+{
+    QTemporaryFile obj1;
+    // bool QTemporaryFile::autoRemove()
+    // void QTemporaryFile::setAutoRemove(bool)
+    obj1.setAutoRemove(false);
+    QCOMPARE(false, obj1.autoRemove());
+    obj1.setAutoRemove(true);
+    QCOMPARE(true, obj1.autoRemove());
+}
+
+static QString hanTestText()
+{
+    QString text;
+    text += QChar(0x65B0);
+    text += QChar(0x5E10);
+    text += QChar(0x6237);
+    return text;
+}
+
+static QString umlautTestText()
+{
+    QString text;
+    text += QChar(0xc4);
+    text += QChar(0xe4);
+    text += QChar(0xd6);
+    text += QChar(0xf6);
+    text += QChar(0xdc);
+    text += QChar(0xfc);
+    text += QChar(0xdf);
+    return text;
+}
+
+void tst_QTemporaryFile::fileTemplate_data()
+{
+    QTest::addColumn<QString>("constructorTemplate");
+    QTest::addColumn<QString>("prefix");
+    QTest::addColumn<QString>("suffix");
+    QTest::addColumn<QString>("fileTemplate");
+
+    QTest::newRow("constructor default") << "" << "." << "" << "";
+    QTest::newRow("constructor with xxx sufix") << "qt_XXXXXXxxx" << "qt_" << "xxx" << "";
+    QTest::newRow("constructor with xXx sufix") << "qt_XXXXXXxXx" << "qt_" << "xXx" << "";
+    QTest::newRow("constructor with no sufix") << "qt_XXXXXX" << "qt_" << "" << "";
+    QTest::newRow("constructor with >6 X's and xxx suffix") << "qt_XXXXXXXXXXxxx" << "qt_" << "xxx" << "";
+    QTest::newRow("constructor with >6 X's, no suffix") << "qt_XXXXXXXXXX" << "qt_" << "" << "";
+
+    QTest::newRow("constructor with XXXX suffix") << "qt_XXXXXX_XXXX" << "qt_" << "_XXXX" << "";
+    QTest::newRow("constructor with XXXXX suffix") << "qt_XXXXXX_XXXXX" << "qt_" << "_XXXXX" << "";
+    QTest::newRow("constructor with XXXX prefix") << "qt_XXXX" << "qt_XXXX." << "" << "";
+    QTest::newRow("constructor with XXXXX prefix") << "qt_XXXXX" << "qt_XXXXX." << "" << "";
+    QTest::newRow("constructor with XXXX  prefix and suffix") << "qt_XXXX_XXXXXX_XXXX" << "qt_XXXX_" << "_XXXX" << "";
+    QTest::newRow("constructor with XXXXX prefix and suffix") << "qt_XXXXX_XXXXXX_XXXXX" << "qt_XXXXX_" << "_XXXXX" << "";
+
+    QTest::newRow("set template, no suffix") << "" << "foo" << "" << "foo";
+    QTest::newRow("set template, with lowercase XXXXXX") << "" << "qt_" << "xxxxxx" << "qt_XXXXXXxxxxxx";
+    QTest::newRow("set template, with xxx") << "" << "qt_" << ".xxx" << "qt_XXXXXX.xxx";
+    QTest::newRow("set template, with >6 X's") << "" << "qt_" << ".xxx" << "qt_XXXXXXXXXXXXXX.xxx";
+    QTest::newRow("set template, with >6 X's, no suffix") << "" << "qt_" << "" << "qt_XXXXXXXXXXXXXX";
+    if (QTestPrivate::canHandleUnicodeFileNames()) {
+        // Test Umlauts (contained in Latin1)
+        QString prefix = "qt_" + umlautTestText();
+        QTest::newRow("Umlauts") << (prefix + "XXXXXX") << prefix << QString() << QString();
+        // Test Chinese
+        prefix = "qt_" + hanTestText();
+        QTest::newRow("Chinese characters") << (prefix + "XXXXXX") << prefix << QString() << QString();
+    }
+
+#ifdef Q_OS_WIN
+    auto tmp = QDir::toNativeSeparators(QDir::tempPath());
+    if (PathGetDriveNumber((const wchar_t *) tmp.utf16()) < 0)
+        return; // skip if we have no drive letter
+
+    tmp.data()[1] = u'$';
+    const auto tmpPath = tmp + uR"(\QTBUG-74291.XXXXXX.tmpFile)"_s;
+
+    QTest::newRow("UNC-backslash")
+            << uR"(\\localhost\)"_s + tmpPath << "QTBUG-74291."
+            << ".tmpFile"
+            << "";
+    QTest::newRow("UNC-prefix")
+            << uR"(\\?\UNC\localhost\)"_s + tmpPath << "QTBUG-74291."
+            << ".tmpFile"
+            << "";
+    QTest::newRow("UNC-slash")
+            << u"//localhost/"_s + QDir::fromNativeSeparators(tmpPath) << "QTBUG-74291."
+            << ".tmpFile"
+            << "";
+    QTest::newRow("UNC-prefix-slash")
+            << uR"(//?/UNC/localhost/)"_s + QDir::fromNativeSeparators(tmpPath) << "QTBUG-74291."
+            << ".tmpFile"
+            << "";
+#endif
+}
+
+void tst_QTemporaryFile::fileTemplate()
+{
+    QFETCH(QString, constructorTemplate);
+    QFETCH(QString, prefix);
+    QFETCH(QString, suffix);
+    QFETCH(QString, fileTemplate);
+
+    QTemporaryFile file(constructorTemplate);
+    if (!fileTemplate.isEmpty())
+        file.setFileTemplate(fileTemplate);
+
+    QVERIFY2(file.open(), qPrintable(file.errorString()));
+
+    QString fileName = QFileInfo(file).fileName();
+    if (prefix.size())
+        QCOMPARE(fileName.left(prefix.size()), prefix);
+
+    if (suffix.size())
+        QCOMPARE(fileName.right(suffix.size()), suffix);
+}
+
+
+/*
+    This tests whether the temporary file really gets placed in QDir::tempPath
+*/
+void tst_QTemporaryFile::fileName()
+{
+    // Get QDir::tempPath and make an absolute path.
+    QString tempPath = QDir::tempPath();
+    QString absoluteTempPath = QDir(tempPath).absolutePath();
+    QTemporaryFile file;
+    file.setAutoRemove(true);
+    file.open();
+    QString fileName = file.fileName();
+    QVERIFY2(fileName.contains("/tst_qtemporaryfile."), qPrintable(fileName));
+    QVERIFY(QFile::exists(fileName));
+    // Get path to the temp file, without the file name.
+    QString absoluteFilePath = QFileInfo(fileName).absolutePath();
+#if defined(Q_OS_WIN)
+    absoluteFilePath = absoluteFilePath.toLower();
+    absoluteTempPath = absoluteTempPath.toLower();
+#endif
+    QCOMPARE(absoluteFilePath, absoluteTempPath);
+}
+
+void tst_QTemporaryFile::fileNameIsEmpty()
+{
+    QString filename;
+    {
+        QTemporaryFile file;
+        QVERIFY(file.fileName().isEmpty());
+
+        QVERIFY(file.open());
+        QVERIFY(!file.fileName().isEmpty());
+
+        filename = file.fileName();
+        QVERIFY(QFile::exists(filename));
+
+        file.close();
+        QVERIFY(!file.isOpen());
+        QVERIFY(QFile::exists(filename));
+        QVERIFY(!file.fileName().isEmpty());
+    }
+    QVERIFY(!QFile::exists(filename));
+}
+
+void tst_QTemporaryFile::autoRemove()
+{
+    // Test auto remove
+    QString fileName;
+    {
+        QTemporaryFile file("tempXXXXXX");
+        file.setAutoRemove(true);
+        QVERIFY(file.open());
+        fileName = file.fileName();
+        file.close();
+    }
+    QVERIFY(!fileName.isEmpty());
+    QVERIFY(!QFile::exists(fileName));
+
+    // same, but gets the file name after closing
+    {
+        QTemporaryFile file("tempXXXXXX");
+        file.setAutoRemove(true);
+        QVERIFY(file.open());
+        file.close();
+        fileName = file.fileName();
+    }
+    QVERIFY(!fileName.isEmpty());
+    QVERIFY(!QFile::exists(fileName));
+
+    // Test if disabling auto remove works.
+    {
+        QTemporaryFile file("tempXXXXXX");
+        file.setAutoRemove(false);
+        QVERIFY(file.open());
+        fileName = file.fileName();
+        file.close();
+    }
+    QVERIFY(!fileName.isEmpty());
+    QVERIFY(QFile::exists(fileName));
+    QVERIFY(QFile::remove(fileName));
+
+    // same, but gets the file name after closing
+    {
+        QTemporaryFile file("tempXXXXXX");
+        file.setAutoRemove(false);
+        QVERIFY(file.open());
+        file.close();
+        fileName = file.fileName();
+    }
+    QVERIFY(!fileName.isEmpty());
+    QVERIFY(QFile::exists(fileName));
+    QVERIFY(QFile::remove(fileName));
+
+    // Do not explicitly call setAutoRemove (tests if it really is the default as documented)
+    {
+        QTemporaryFile file("tempXXXXXX");
+        QVERIFY(file.open());
+        fileName = file.fileName();
+        // QTBUG-39976, file mappings should be cleared as well.
+        QVERIFY(file.write("test"));
+        QVERIFY(file.flush());
+        uchar *mapped = file.map(0, file.size());
+        QVERIFY(mapped);
+        file.close();
+    }
+    QVERIFY(!QFile::exists(fileName));
+}
+
+struct ChdirOnReturn
+{
+    ChdirOnReturn(const QString& d) : dir(d) {}
+    ~ChdirOnReturn() {
+        QDir::setCurrent(dir);
+    }
+    QString dir;
+};
+
+void tst_QTemporaryFile::nonWritableCurrentDir()
+{
+#ifdef Q_OS_UNIX
+    if (::geteuid() == 0)
+        QSKIP("not valid running this test as root");
+
+    ChdirOnReturn cor(QDir::currentPath());
+
+#ifdef Q_OS_ANDROID
+    QDir::setCurrent("/data");
+#else
+    QDir::setCurrent("/home");
+#endif
+
+    // QTemporaryFile("tempXXXXXX") is probably a bad idea in any app
+    // where the current dir could anything...
+    QTemporaryFile file("tempXXXXXX");
+    file.setAutoRemove(true);
+    QVERIFY(!file.open());
+    QVERIFY(file.fileName().isEmpty());
+#endif
+}
+
+void tst_QTemporaryFile::io()
+{
+    QByteArray data("OLE\nOLE\nOLE");
+    QTemporaryFile file;
+    QDateTime before = QDateTime::currentDateTimeUtc().addMSecs(-250);
+
+    // discard msec component (round down) - not all FSs and OSs support them
+    before.setSecsSinceEpoch(before.toSecsSinceEpoch());
+
+    QVERIFY(file.open());
+    QVERIFY(file.symLinkTarget().isEmpty()); // it's not a link!
+    QFile::Permissions perm = file.permissions();
+    QVERIFY(perm & QFile::ReadOwner);
+    QVERIFY(file.setPermissions(perm));
+
+    QCOMPARE(int(file.size()), 0);
+    QVERIFY(file.resize(data.size()));
+    QCOMPARE(int(file.size()), data.size());
+    QCOMPARE((int)file.write(data), data.size());
+    QCOMPARE(int(file.size()), data.size());
+
+    QDateTime mtime = file.fileTime(QFile::FileModificationTime).toUTC();
+    QDateTime btime = file.fileTime(QFile::FileBirthTime).toUTC();
+    QDateTime ctime = file.fileTime(QFile::FileMetadataChangeTime).toUTC();
+    QDateTime atime = file.fileTime(QFile::FileAccessTime).toUTC();
+
+    QDateTime after = QDateTime::currentDateTimeUtc().toUTC().addMSecs(250);
+    // round msecs up
+    after.setSecsSinceEpoch(after.toSecsSinceEpoch() + 1);
+
+    // mtime must be valid, the rest could fail
+    QVERIFY(mtime <= after && mtime >= before);
+    QVERIFY(!btime.isValid() || (btime <= after && btime >= before));
+    QVERIFY(!ctime.isValid() || (ctime <= after && ctime >= before));
+    QVERIFY(!btime.isValid() || (btime <= after && btime >= before));
+
+    QVERIFY(file.setFileTime(before.addSecs(-10), QFile::FileModificationTime));
+    mtime = file.fileTime(QFile::FileModificationTime).toUTC();
+    QCOMPARE(mtime, before.addSecs(-10));
+
+    file.reset();
+    QFile compare(file.fileName());
+    compare.open(QIODevice::ReadOnly);
+    QCOMPARE(compare.readAll() , data);
+    QCOMPARE(compare.fileTime(QFile::FileModificationTime), mtime);
+}
+
+void tst_QTemporaryFile::openCloseOpenClose()
+{
+    QString fileName;
+    {
+        // Create a temp file
+        QTemporaryFile file("tempXXXXXX");
+        file.setAutoRemove(true);
+        QVERIFY(file.open());
+        file.write("OLE");
+        fileName = file.fileName();
+        QVERIFY(QFile::exists(fileName));
+        file.close();
+
+        // Check that it still exists after being closed
+        QVERIFY(QFile::exists(fileName));
+        QVERIFY(!file.isOpen());
+        QVERIFY(file.open());
+        QCOMPARE(file.readAll(), QByteArray("OLE"));
+        // Check that it's still the same file after being opened again.
+        QCOMPARE(file.fileName(), fileName);
+    }
+    QVERIFY(!QFile::exists(fileName));
+}
+
+void tst_QTemporaryFile::removeAndReOpen()
+{
+    QString fileName;
+    {
+        QTemporaryFile file;
+        file.open();
+        fileName = file.fileName();     // materializes any unnamed file
+        QVERIFY(QFile::exists(fileName));
+
+        QVERIFY(file.remove());
+        QVERIFY(file.fileName().isEmpty());
+        QVERIFY(!QFile::exists(fileName));
+        QVERIFY(!file.remove());
+
+        QVERIFY(file.open());
+        QCOMPARE(QFileInfo(file.fileName()).path(), QFileInfo(fileName).path());
+        fileName = file.fileName();
+        QVERIFY(QFile::exists(fileName));
+    }
+    QVERIFY(!QFile::exists(fileName));
+}
+
+void tst_QTemporaryFile::removeUnnamed()
+{
+    QTemporaryFile file;
+    file.open();
+
+    // we did not call fileName(), so the file name may not have a name
+    QVERIFY(file.remove());
+    QVERIFY(file.fileName().isEmpty());
+
+    // if it was unnamed, this will succeed again, so we can't check the result
+    file.remove();
+}
+
+void tst_QTemporaryFile::size()
+{
+    QTemporaryFile file;
+    QVERIFY(file.open());
+    QVERIFY(!file.isSequential());
+    QByteArray str("foobar");
+    file.write(str);
+
+    // On CE it takes more time for the filesystem to update
+    // the information. Usually you have to close it or seek
+    // to get latest information. flush() does not help either.
+    QCOMPARE(file.size(), qint64(6));
+    file.seek(0);
+    QCOMPARE(file.size(), qint64(6));
+
+    QVERIFY(QFile::exists(file.fileName()));
+    QVERIFY(file.exists());
+}
+
+void tst_QTemporaryFile::resize()
+{
+    QTemporaryFile file;
+    file.setAutoRemove(true);
+    QVERIFY(file.open());
+    QVERIFY(file.resize(100));
+
+    QCOMPARE(QFileInfo(file.fileName()).size(), qint64(100));
+
+    file.close();
+}
+
+void tst_QTemporaryFile::openOnRootDrives()
+{
+#if defined(Q_OS_WIN)
+    unsigned int lastErrorMode = SetErrorMode(SEM_FAILCRITICALERRORS);
+#endif
+    // If it's possible to create a file in the root directory, it
+    // must be possible to create a temp file there too.
+    foreach (QFileInfo driveInfo, QDir::drives()) {
+        QFile testFile(driveInfo.filePath() + "XXXXXX.txt");
+        if (testFile.open(QIODevice::ReadWrite)) {
+            testFile.remove();
+            QTemporaryFile file(driveInfo.filePath() + "XXXXXX.txt");
+            file.setAutoRemove(true);
+            QVERIFY(file.open());
+
+            QFileInfo fi(file.fileName());
+            QCOMPARE(fi.absoluteDir(), driveInfo.filePath());
+        }
+    }
+#if defined(Q_OS_WIN)
+    SetErrorMode(lastErrorMode);
+#endif
+}
+
+void tst_QTemporaryFile::stressTest()
+{
+    const int iterations = 1000;
+
+    QSet<QString> names;
+    for (int i = 0; i < iterations; ++i) {
+        QTemporaryFile file;
+        file.setAutoRemove(false);
+        QVERIFY2(file.open(), qPrintable(file.errorString()));
+        QVERIFY(!names.contains(file.fileName()));
+        names.insert(file.fileName());
+    }
+    for (QSet<QString>::const_iterator it = names.constBegin(); it != names.constEnd(); ++it) {
+        QFile::remove(*it);
+    }
+}
+
+void tst_QTemporaryFile::rename()
+{
+    // This test checks that the temporary file is deleted, even after a
+    // rename.
+
+    QDir dir;
+    QVERIFY(!dir.exists("temporary-file.txt"));
+
+    QString tempname;
+    {
+        QTemporaryFile file(dir.filePath("temporary-file.XXXXXX"));
+
+        QVERIFY(file.open());
+        tempname = file.fileName();
+        QVERIFY(dir.exists(tempname));
+
+        QVERIFY(file.rename("temporary-file.txt"));
+        QVERIFY(!dir.exists(tempname));
+        QVERIFY(dir.exists("temporary-file.txt"));
+        QCOMPARE(file.fileName(), QString("temporary-file.txt"));
+    }
+
+    QVERIFY(!dir.exists(tempname));
+    QVERIFY(!dir.exists("temporary-file.txt"));
+}
+
+void tst_QTemporaryFile::renameFdLeak()
+{
+#if defined(Q_OS_UNIX) && !defined(Q_OS_ANDROID)
+    const QByteArray sourceFile = QFile::encodeName(QFINDTESTDATA("CMakeLists.txt"));
+    QVERIFY(!sourceFile.isEmpty());
+    // Test this on Unix only
+
+    // Open a bunch of files to force the fd count to go up
+    static const int count = 10;
+    int bunch_of_files[count];
+    for (int i = 0; i < count; ++i) {
+        bunch_of_files[i] = ::open(sourceFile.constData(), O_RDONLY);
+        QVERIFY(bunch_of_files[i] != -1);
+    }
+
+    int fd;
+    {
+        QTemporaryFile file;
+        file.setAutoRemove(false);
+        QVERIFY(file.open());
+
+        // close the bunch of files
+        for (int i = 0; i < count; ++i)
+            ::close(bunch_of_files[i]);
+
+        // save the file descriptor for later
+        fd = file.handle();
+
+        // rename the file to something
+        QString newPath = QDir::tempPath() + "/tst_qtemporaryfile-renameFdLeak-" + QString::number(getpid());
+        file.rename(newPath);
+        QFile::remove(newPath);
+    }
+
+    // check if QTemporaryFile closed the file
+    QVERIFY(::close(fd) == -1 && errno == EBADF);
+#endif
+}
+
+void tst_QTemporaryFile::reOpenThroughQFile()
+{
+    QByteArray data("abcdefghij");
+
+    QTemporaryFile file;
+    QVERIFY(((QFile &)file).open(QIODevice::WriteOnly));
+    QCOMPARE(file.write(data), (qint64)data.size());
+
+    file.close();
+    QVERIFY(file.open());
+    QCOMPARE(file.readAll(), data);
+}
+
+void tst_QTemporaryFile::keepOpenMode()
+{
+    QByteArray data("abcdefghij");
+
+    {
+        QTemporaryFile file;
+        QVERIFY(((QFile &)file).open(QIODevice::WriteOnly));
+        QVERIFY(QIODevice::WriteOnly == file.openMode());
+
+        QCOMPARE(file.write(data), (qint64)data.size());
+        file.close();
+
+        QVERIFY(((QFile &)file).open(QIODevice::ReadOnly));
+        QVERIFY(QIODevice::ReadOnly == file.openMode());
+        QCOMPARE(file.readAll(), data);
+    }
+
+    {
+        QTemporaryFile file;
+        QVERIFY(file.open());
+        QCOMPARE(file.openMode(), QIODevice::ReadWrite);
+        QCOMPARE(file.write(data), (qint64)data.size());
+        QVERIFY(file.rename("temporary-file.txt"));
+
+        QVERIFY(((QFile &)file).open(QIODevice::ReadOnly));
+        QCOMPARE(file.openMode(), QIODevice::ReadOnly);
+        QCOMPARE(file.readAll(), data);
+
+        QVERIFY(((QFile &)file).open(QIODevice::WriteOnly));
+        QCOMPARE(file.openMode(), QIODevice::WriteOnly);
+    }
+}
+
+void tst_QTemporaryFile::resetTemplateAfterError()
+{
+    // calling setFileTemplate on a failed open
+
+    QString tempPath = QDir::tempPath();
+
+    QString const fileTemplate("destination/qt_temp_file_test.XXXXXX");
+    QString const fileTemplate2(tempPath + "/qt_temp_file_test.XXXXXX");
+
+    QVERIFY2( QDir(tempPath).exists() || QDir().mkpath(tempPath), "Test precondition" );
+    QVERIFY2( !QFile::exists("destination"), "Test precondition" );
+    QVERIFY2( !QFile::exists(fileTemplate2) || QFile::remove(fileTemplate2), "Test precondition" );
+
+    QFile file(fileTemplate2);
+    QByteArray fileContent("This file is intentionally NOT left empty.");
+
+    QVERIFY( file.open(QIODevice::ReadWrite | QIODevice::Truncate) );
+    QCOMPARE( file.write(fileContent), (qint64)fileContent.size() );
+    QVERIFY( file.flush() );
+
+    QString fileName;
+    {
+        QTemporaryFile temp;
+
+        QVERIFY( temp.fileName().isEmpty() );
+        QVERIFY( !temp.fileTemplate().isEmpty() );
+
+        temp.setFileTemplate( fileTemplate );
+
+        QVERIFY( temp.fileName().isEmpty() );
+        QCOMPARE( temp.fileTemplate(), fileTemplate );
+
+        QVERIFY( !temp.open() );
+
+        QVERIFY( temp.fileName().isEmpty() );
+        QCOMPARE( temp.fileTemplate(), fileTemplate );
+
+        temp.setFileTemplate( fileTemplate2 );
+        QVERIFY( temp.open() );
+
+        fileName = temp.fileName();
+        QVERIFY( QFile::exists(fileName) );
+        QVERIFY( !fileName.isEmpty() );
+        QVERIFY2( fileName != fileTemplate2,
+            ("Generated name shouldn't be same as template: " + fileTemplate2).toLocal8Bit().constData() );
+    }
+
+    QVERIFY( !QFile::exists(fileName) );
+
+    file.seek(0);
+    QCOMPARE( QString(file.readAll()), QString(fileContent) );
+    QVERIFY( file.remove() );
+}
+
+void tst_QTemporaryFile::setTemplateAfterOpen()
+{
+    QTemporaryFile temp;
+
+    QVERIFY( temp.fileName().isEmpty() );
+    QVERIFY( !temp.fileTemplate().isEmpty() );
+
+    QVERIFY( temp.open() );
+
+    QString const fileName = temp.fileName();
+    QString const newTemplate("funny-path/funny-name-XXXXXX.tmp");
+
+    QVERIFY( !fileName.isEmpty() );
+    QVERIFY( QFile::exists(fileName) );
+    QVERIFY( !temp.fileTemplate().isEmpty() );
+    QVERIFY( temp.fileTemplate() != newTemplate );
+
+    temp.close(); // QTemporaryFile::setFileTemplate will assert on isOpen() up to 4.5.2
+    temp.setFileTemplate(newTemplate);
+    QCOMPARE( temp.fileTemplate(), newTemplate );
+
+    QVERIFY( temp.open() );
+    QCOMPARE( temp.fileName(), fileName );
+    QCOMPARE( temp.fileTemplate(), newTemplate );
+}
+
+void tst_QTemporaryFile::autoRemoveAfterFailedRename()
+{
+    struct CleanOnReturn
+    {
+        ~CleanOnReturn()
+        {
+            if (!tempName.isEmpty())
+                QFile::remove(tempName);
+        }
+
+        void reset()
+        {
+            tempName.clear();
+        }
+
+        QString tempName;
+    };
+
+    CleanOnReturn cleaner;
+
+    {
+        QTemporaryFile file;
+        QVERIFY( file.open() );
+        cleaner.tempName = file.fileName();
+
+        QVERIFY( QFile::exists(cleaner.tempName) );
+        QVERIFY( !QFileInfo("i-do-not-exist").isDir() );
+        QVERIFY( !file.rename("i-do-not-exist/file.txt") );
+        QVERIFY( QFile::exists(cleaner.tempName) );
+    }
+
+    QVERIFY( !QFile::exists(cleaner.tempName) );
+    cleaner.reset();
+}
+
+void tst_QTemporaryFile::createNativeFile_data()
+{
+    QTest::addColumn<QString>("filePath");
+    QTest::addColumn<qint64>("currentPos");
+    QTest::addColumn<bool>("valid");
+    QTest::addColumn<QByteArray>("content");
+
+#ifdef Q_OS_ANDROID
+    const QString nativeFilePath = QStandardPaths::writableLocation(QStandardPaths::CacheLocation)
+                                   + QStringLiteral("/resources/test.txt");
+#else
+    const QString nativeFilePath = QFINDTESTDATA("resources/test.txt");
+#endif
+
+    // File might not exist locally in case of sandboxing or remote testing
+    if (!nativeFilePath.startsWith(QLatin1String(":/"))) {
+        QTest::newRow("nativeFile") << nativeFilePath << (qint64)-1 << false << QByteArray();
+        QTest::newRow("nativeFileWithPos") << nativeFilePath << (qint64)5 << false << QByteArray();
+    }
+    QTest::newRow("resourceFile") << ":/resources/test.txt" << (qint64)-1 << true << QByteArray("This is a test");
+    QTest::newRow("resourceFileWithPos") << ":/resources/test.txt" << (qint64)5 << true << QByteArray("This is a test");
+}
+
+void tst_QTemporaryFile::createNativeFile()
+{
+    QFETCH(QString, filePath);
+    QFETCH(qint64, currentPos);
+    QFETCH(bool, valid);
+    QFETCH(QByteArray, content);
+
+    QFile f(filePath);
+    if (currentPos != -1) {
+        f.open(QIODevice::ReadOnly);
+        f.seek(currentPos);
+    }
+    QTemporaryFile *tempFile = QTemporaryFile::createNativeFile(f);
+    QCOMPARE(valid, (bool)tempFile);
+    if (currentPos != -1)
+        QCOMPARE(currentPos, f.pos());
+    if (valid) {
+        QCOMPARE(content, tempFile->readAll());
+        delete tempFile;
+    }
+}
+
+void tst_QTemporaryFile::QTBUG_4796_data()
+{
+    QTest::addColumn<QString>("prefix");
+    QTest::addColumn<QString>("suffix");
+    QTest::addColumn<bool>("openResult");
+
+    QString unicode = QString::fromUtf8("\xc3\xa5\xc3\xa6\xc3\xb8");
+
+    QTest::newRow("<empty>") << QString() << QString() << true;
+    QTest::newRow(".") << QString(".") << QString() << true;
+    QTest::newRow("..") << QString("..") << QString() << true;
+    QTest::newRow("blaXXXXXX") << QString("bla") << QString() << true;
+    QTest::newRow("XXXXXXbla") << QString() << QString("bla") << true;
+    QTest::newRow("does-not-exist/qt_temp.XXXXXX") << QString("does-not-exist/qt_temp") << QString() << false;
+
+    if (QTestPrivate::canHandleUnicodeFileNames()) {
+        QTest::newRow("XXXXXX<unicode>") << QString() << unicode << true;
+        QTest::newRow("<unicode>XXXXXX") << unicode << QString() << true;
+        QTest::newRow("<unicode>XXXXXX<unicode>") << unicode << unicode << true;
+    }
+}
+
+void tst_QTemporaryFile::QTBUG_4796()
+{
+    QVERIFY(QDir("test-XXXXXX").exists());
+
+    struct CleanOnReturn
+    {
+        ~CleanOnReturn()
+        {
+            Q_FOREACH(QString tempName, tempNames)
+                QFile::remove(tempName);
+        }
+
+        void reset()
+        {
+            tempNames.clear();
+        }
+
+        QStringList tempNames;
+    };
+
+    CleanOnReturn cleaner;
+
+    QFETCH(QString, prefix);
+    QFETCH(QString, suffix);
+    QFETCH(bool, openResult);
+
+    {
+        QString fileTemplate1 = prefix + QString("XX") + suffix;
+        QString fileTemplate2 = prefix + QString("XXXX") + suffix;
+        QString fileTemplate3 = prefix + QString("XXXXXX") + suffix;
+        QString fileTemplate4 = prefix + QString("XXXXXXXX") + suffix;
+
+        QTemporaryFile file1(fileTemplate1);
+        QTemporaryFile file2(fileTemplate2);
+        QTemporaryFile file3(fileTemplate3);
+        QTemporaryFile file4(fileTemplate4);
+        QTemporaryFile file5("test-XXXXXX/" + fileTemplate1);
+        QTemporaryFile file6("test-XXXXXX/" + fileTemplate3);
+
+        QCOMPARE(file1.open(), openResult);
+        QCOMPARE(file2.open(), openResult);
+        QCOMPARE(file3.open(), openResult);
+        QCOMPARE(file4.open(), openResult);
+        QCOMPARE(file5.open(), openResult);
+        QCOMPARE(file6.open(), openResult);
+
+        // force the files to exist, if they are supposed to
+        QCOMPARE(!file1.fileName().isEmpty(), openResult);
+        QCOMPARE(!file2.fileName().isEmpty(), openResult);
+        QCOMPARE(!file3.fileName().isEmpty(), openResult);
+        QCOMPARE(!file4.fileName().isEmpty(), openResult);
+        QCOMPARE(!file5.fileName().isEmpty(), openResult);
+        QCOMPARE(!file6.fileName().isEmpty(), openResult);
+
+        QCOMPARE(file1.exists(), openResult);
+        QCOMPARE(file2.exists(), openResult);
+        QCOMPARE(file3.exists(), openResult);
+        QCOMPARE(file4.exists(), openResult);
+        QCOMPARE(file5.exists(), openResult);
+        QCOMPARE(file6.exists(), openResult);
+
+        // make sure the file exists under the *correct* name
+        if (openResult) {
+            cleaner.tempNames << file1.fileName()
+                << file2.fileName()
+                << file3.fileName()
+                << file4.fileName()
+                << file5.fileName()
+                << file6.fileName();
+
+            QDir currentDir;
+            QString fileName1 = currentDir.relativeFilePath(file1.fileName());
+            QString fileName2 = currentDir.relativeFilePath(file2.fileName());
+            QString fileName3 = currentDir.relativeFilePath(file3.fileName());
+            QString fileName4 = currentDir.relativeFilePath(file4.fileName());
+            QString fileName5 = currentDir.relativeFilePath(file5.fileName());
+            QString fileName6 = currentDir.relativeFilePath(file6.fileName());
+
+            QVERIFY(fileName1.startsWith(fileTemplate1 + QLatin1Char('.')));
+            QVERIFY(fileName2.startsWith(fileTemplate2 + QLatin1Char('.')));
+            QVERIFY(fileName5.startsWith("test-XXXXXX/" + fileTemplate1 + QLatin1Char('.')));
+            QVERIFY(fileName6.startsWith("test-XXXXXX/" + prefix));
+
+            if (!prefix.isEmpty()) {
+                QVERIFY(fileName3.startsWith(prefix));
+                QVERIFY(fileName4.startsWith(prefix));
+            }
+
+            if (!suffix.isEmpty()) {
+                QVERIFY(fileName3.endsWith(suffix));
+                QVERIFY(fileName4.endsWith(suffix));
+                QVERIFY(fileName6.endsWith(suffix));
+            }
+        }
+    }
+
+    Q_FOREACH(QString const &tempName, cleaner.tempNames)
+        QVERIFY( !QFile::exists(tempName) );
+
+    cleaner.reset();
+}
+
+void tst_QTemporaryFile::guaranteeUnique()
+{
+    QDir dir(QDir::tempPath());
+    QString takenFileName;
+
+    // First pass. See which filename QTemporaryFile will try first.
+    {
+        QTemporaryFile tmpFile("testFile1.XXXXXX");
+        tmpFile.open();
+        takenFileName = tmpFile.fileName();
+        QVERIFY(QFile::exists(takenFileName));
+    }
+
+    QVERIFY(!QFile::exists(takenFileName));
+
+    // Create a directory with same name.
+    QVERIFY(dir.mkdir(takenFileName));
+
+    // Second pass, now we have blocked its first attempt with a directory.
+    {
+        QTemporaryFile tmpFile("testFile1.XXXXXX");
+        QVERIFY(tmpFile.open());
+        QString uniqueFileName = tmpFile.fileName();
+        QVERIFY(QFileInfo(uniqueFileName).isFile());
+        QVERIFY(uniqueFileName != takenFileName);
+    }
+
+    QVERIFY(dir.rmdir(takenFileName));
+}
+
+QTEST_MAIN(tst_QTemporaryFile)
+#include "tst_qtemporaryfile.moc"