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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QDebug>
#include <qtest.h>
#include <QTest>
#include <QtCore/QCoreApplication>
#include <QtCore/QFileInfo>
#include <QtCore/QFile>
#include "private/qfsfileengine_p.h"
#include "../../../../shared/filesystem.h"
class tst_QFileInfo : public QObject
{
Q_OBJECT
private slots:
void existsTemporary();
void existsStatic();
#if defined(Q_OS_WIN)
void symLinkTargetPerformanceLNK();
void junctionTargetPerformanceMountpoint();
#endif
void comparison_data();
void comparison();
};
void tst_QFileInfo::existsTemporary()
{
QString appPath = QCoreApplication::applicationFilePath();
QBENCHMARK { QFileInfo(appPath).exists(); }
}
void tst_QFileInfo::existsStatic()
{
QString appPath = QCoreApplication::applicationFilePath();
QBENCHMARK { QFileInfo::exists(appPath); }
}
#if defined(Q_OS_WIN)
void tst_QFileInfo::symLinkTargetPerformanceLNK()
{
QVERIFY(QFile::link("file","link.lnk"));
QFileInfo info("link.lnk");
info.setCaching(false);
QVERIFY(info.isSymLink());
QString linkTarget;
QBENCHMARK {
for(int i=0; i<100; i++)
linkTarget = info.symLinkTarget();
}
QVERIFY(QFile::remove("link.lnk"));
}
void tst_QFileInfo::junctionTargetPerformanceMountpoint()
{
wchar_t buffer[MAX_PATH];
QString rootPath = QDir::toNativeSeparators(QDir::rootPath());
QVERIFY(GetVolumeNameForVolumeMountPointW((LPCWSTR)rootPath.utf16(), buffer, MAX_PATH));
QString rootVolume = QString::fromWCharArray(buffer);
QString mountpoint = "mountpoint";
rootVolume.replace("\\\\?\\","\\??\\");
const auto result = FileSystem::createNtfsJunction(rootVolume, mountpoint);
QVERIFY2(result.dwErr == ERROR_SUCCESS, qPrintable(result.errorMessage));
QFileInfo info(mountpoint);
info.setCaching(false);
QVERIFY(info.isJunction());
QString junctionTarget;
QBENCHMARK {
for(int i=0; i<100; i++)
junctionTarget = info.junctionTarget();
}
QVERIFY(QDir().rmdir(mountpoint));
}
#endif
void tst_QFileInfo::comparison_data()
{
QTest::addColumn<bool>("shouldExist");
QTest::addRow("files do not exist") << false;
QTest::addRow("files exists") << true;
}
void tst_QFileInfo::comparison()
{
QTemporaryDir tmpDir;
QVERIFY2(tmpDir.isValid(), qPrintable(tmpDir.errorString()));
QFETCH(bool, shouldExist);
QFileInfo firstInfo(tmpDir.filePath("first"));
QFileInfo secondInfo(tmpDir.filePath("second"));
if (shouldExist) {
QFile first(firstInfo.absoluteFilePath());
QVERIFY(first.open(QFile::WriteOnly));
QFile second(secondInfo.absoluteFilePath());
QVERIFY(second.open(QFile::WriteOnly));
}
QBENCHMARK {
// Comparison should be fast because we cache file info
[[maybe_unused]] auto r = firstInfo == secondInfo;
}
}
QTEST_MAIN(tst_QFileInfo)
#include "tst_bench_qfileinfo.moc"