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qt 6.5.1 original
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13
tests/benchmarks/corelib/io/qdir/10000/CMakeLists.txt
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13
tests/benchmarks/corelib/io/qdir/10000/CMakeLists.txt
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# Copyright (C) 2022 The Qt Company Ltd.
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# SPDX-License-Identifier: BSD-3-Clause
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#####################################################################
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## tst_bench_qdir_10000 Binary:
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#####################################################################
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qt_internal_add_benchmark(tst_bench_qdir_10000
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SOURCES
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tst_bench_qdir_10000.cpp
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LIBRARIES
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Qt::Test
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)
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185
tests/benchmarks/corelib/io/qdir/10000/tst_bench_qdir_10000.cpp
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185
tests/benchmarks/corelib/io/qdir/10000/tst_bench_qdir_10000.cpp
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// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#include <QTest>
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#include <QDirIterator>
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#ifdef Q_OS_WIN
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# include <qt_windows.h>
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#else
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# include <sys/stat.h>
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# include <sys/types.h>
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# include <dirent.h>
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# include <unistd.h>
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#endif
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class tst_QDir_10000 : public QObject
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{
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Q_OBJECT
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public slots:
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void initTestCase()
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{
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QDir testdir = QDir::tempPath();
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const QString subfolder_name = QLatin1String("test_speed");
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QVERIFY(testdir.mkdir(subfolder_name));
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QVERIFY(testdir.cd(subfolder_name));
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for (uint i=0; i<10000; ++i) {
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QFile file(testdir.absolutePath() + "/testfile_" + QString::number(i));
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file.open(QIODevice::WriteOnly);
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}
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}
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void cleanupTestCase()
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{
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QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
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QVERIFY(testdir.removeRecursively());
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}
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private slots:
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void sizeSpeed()
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{
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QBENCHMARK {
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QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
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QFileInfoList fileInfoList = testdir.entryInfoList(QDir::Files, QDir::Unsorted);
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foreach (const QFileInfo &fileInfo, fileInfoList) {
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fileInfo.isDir();
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fileInfo.size();
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}
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}
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}
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void sizeSpeedIterator()
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{
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QBENCHMARK {
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QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
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QDirIterator dit(testdir.path(), QDir::Files);
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while (dit.hasNext()) {
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const auto fi = dit.nextFileInfo();
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(void)fi.isDir();
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(void)fi.size();
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}
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}
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}
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void sizeSpeedWithoutFilter()
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{
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QBENCHMARK {
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QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
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QFileInfoList fileInfoList = testdir.entryInfoList(QDir::NoFilter, QDir::Unsorted);
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foreach (const QFileInfo &fileInfo, fileInfoList) {
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fileInfo.size();
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}
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}
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}
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void sizeSpeedWithoutFilterIterator()
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{
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QBENCHMARK {
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QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
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QDirIterator dit(testdir.path());
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while (dit.hasNext()) {
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const auto fi = dit.nextFileInfo();
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(void)fi.isDir();
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(void)fi.size();
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}
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}
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}
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void sizeSpeedWithoutFileInfoList()
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{
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QBENCHMARK {
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QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
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testdir.setSorting(QDir::Unsorted);
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QStringList fileList = testdir.entryList(QDir::NoFilter, QDir::Unsorted);
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foreach (const QString &filename, fileList) {
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QFileInfo fileInfo(filename);
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fileInfo.size();
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}
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}
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}
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void iDontWantAnyStat()
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{
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QBENCHMARK {
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QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
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testdir.setSorting(QDir::Unsorted);
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testdir.setFilter(QDir::AllEntries | QDir::System | QDir::Hidden);
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QStringList fileList = testdir.entryList(QDir::NoFilter, QDir::Unsorted);
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foreach (const QString &filename, fileList) {
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Q_UNUSED(filename);
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}
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}
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}
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void iDontWantAnyStatIterator()
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{
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QBENCHMARK {
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QDirIterator dit(QDir::tempPath() + QLatin1String("/test_speed"));
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while (dit.hasNext()) {
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dit.next();
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}
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}
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}
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void sorted_byTime()
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{
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QBENCHMARK {
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QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
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testdir.setSorting(QDir::Time);
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testdir.setFilter(QDir::AllEntries | QDir::System | QDir::Hidden);
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QStringList fileList = testdir.entryList(QDir::NoFilter, QDir::Time);
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foreach (const QString &filename, fileList) {
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Q_UNUSED(filename);
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}
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}
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}
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void sorted_byName()
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{
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QBENCHMARK {
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QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
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testdir.setFilter(QDir::AllEntries | QDir::System | QDir::Hidden);
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[[maybe_unused]] auto r = testdir.entryInfoList(QDir::NoFilter, QDir::Name);
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}
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}
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void sizeSpeedWithoutFilterLowLevel()
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{
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QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
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#ifdef Q_OS_WIN
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const wchar_t *dirpath = (wchar_t*)testdir.absolutePath().utf16();
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wchar_t appendedPath[MAX_PATH];
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wcscpy(appendedPath, dirpath);
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wcscat(appendedPath, L"\\*");
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QBENCHMARK {
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WIN32_FIND_DATA fd;
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HANDLE hSearch = FindFirstFileW(appendedPath, &fd);
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QVERIFY(hSearch != INVALID_HANDLE_VALUE);
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do {
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} while (FindNextFile(hSearch, &fd));
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FindClose(hSearch);
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}
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#else
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QVERIFY(!chdir(qPrintable(testdir.absolutePath())));
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QBENCHMARK {
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DIR *dir = opendir(qPrintable(testdir.absolutePath()));
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QVERIFY(dir);
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struct dirent *item = readdir(dir);
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while (item) {
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char *fileName = item->d_name;
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struct stat fileStat;
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QVERIFY(!stat(fileName, &fileStat));
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item = readdir(dir);
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}
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closedir(dir);
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}
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#endif
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}
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};
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QTEST_MAIN(tst_QDir_10000)
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#include "tst_bench_qdir_10000.moc"
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