diff options
Diffstat (limited to 'tests/benchmarks/corelib/io/qdir/10000/tst_bench_qdir_10000.cpp')
| -rw-r--r-- | tests/benchmarks/corelib/io/qdir/10000/tst_bench_qdir_10000.cpp | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/tests/benchmarks/corelib/io/qdir/10000/tst_bench_qdir_10000.cpp b/tests/benchmarks/corelib/io/qdir/10000/tst_bench_qdir_10000.cpp new file mode 100644 index 0000000000..4ed1246a6c --- /dev/null +++ b/tests/benchmarks/corelib/io/qdir/10000/tst_bench_qdir_10000.cpp @@ -0,0 +1,211 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the test suite module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QTest> +#include <QDirIterator> + +#ifdef Q_OS_WIN +# include <windows.h> +#else +# include <sys/stat.h> +# include <sys/types.h> +# include <dirent.h> +# include <unistd.h> +#endif + +class tst_QDir_10000 : public QObject +{ + Q_OBJECT +public slots: + void initTestCase() + { + QDir testdir = QDir::tempPath(); + + const QString subfolder_name = QLatin1String("test_speed"); + QVERIFY(testdir.mkdir(subfolder_name)); + QVERIFY(testdir.cd(subfolder_name)); + + for (uint i=0; i<10000; ++i) { + QFile file(testdir.absolutePath() + "/testfile_" + QString::number(i)); + file.open(QIODevice::WriteOnly); + } + } + void cleanupTestCase() + { + { + QDir testdir(QDir::tempPath() + QLatin1String("/test_speed")); + testdir.setSorting(QDir::Unsorted); + testdir.setFilter(QDir::AllEntries | QDir::System | QDir::Hidden); + foreach (const QString &filename, testdir.entryList()) { + testdir.remove(filename); + } + } + const QDir temp = QDir(QDir::tempPath()); + temp.rmdir(QLatin1String("test_speed")); + } +private slots: + void baseline() {} + + void sizeSpeed() + { + QDir testdir(QDir::tempPath() + QLatin1String("/test_speed")); + QBENCHMARK { + QFileInfoList fileInfoList = testdir.entryInfoList(QDir::Files, QDir::Unsorted); + foreach (const QFileInfo &fileInfo, fileInfoList) { + fileInfo.isDir(); + fileInfo.size(); + } + } + } + void sizeSpeedIterator() + { + QDir testdir(QDir::tempPath() + QLatin1String("/test_speed")); + QBENCHMARK { + QDirIterator dit(testdir.path(), QDir::Files); + while (dit.hasNext()) { + const auto fi = dit.nextFileInfo(); + (void)fi.isDir(); + (void)fi.size(); + } + } + } + + void sizeSpeedWithoutFilter() + { + QDir testdir(QDir::tempPath() + QLatin1String("/test_speed")); + QBENCHMARK { + QFileInfoList fileInfoList = testdir.entryInfoList(QDir::NoFilter, QDir::Unsorted); + foreach (const QFileInfo &fileInfo, fileInfoList) { + fileInfo.size(); + } + } + } + void sizeSpeedWithoutFilterIterator() + { + QDir testdir(QDir::tempPath() + QLatin1String("/test_speed")); + QBENCHMARK { + QDirIterator dit(testdir.path()); + while (dit.hasNext()) { + const auto fi = dit.nextFileInfo(); + (void)fi.isDir(); + (void)fi.size(); + } + } + } + + void sizeSpeedWithoutFileInfoList() + { + QDir testdir(QDir::tempPath() + QLatin1String("/test_speed")); + testdir.setSorting(QDir::Unsorted); + QBENCHMARK { + QStringList fileList = testdir.entryList(QDir::NoFilter, QDir::Unsorted); + foreach (const QString &filename, fileList) { + QFileInfo fileInfo(filename); + fileInfo.size(); + } + } + } + + void iDontWantAnyStat() + { + QDir testdir(QDir::tempPath() + QLatin1String("/test_speed")); + testdir.setSorting(QDir::Unsorted); + testdir.setFilter(QDir::AllEntries | QDir::System | QDir::Hidden); + QBENCHMARK { + QStringList fileList = testdir.entryList(QDir::NoFilter, QDir::Unsorted); + foreach (const QString &filename, fileList) { + Q_UNUSED(filename); + } + } + } + void iDontWantAnyStatIterator() + { + QBENCHMARK { + QDirIterator dit(QDir::tempPath() + QLatin1String("/test_speed")); + while (dit.hasNext()) { + dit.next(); + } + } + } + + void sorted_byTime() + { + QDir testdir(QDir::tempPath() + QLatin1String("/test_speed")); + testdir.setSorting(QDir::Time); + testdir.setFilter(QDir::AllEntries | QDir::System | QDir::Hidden); + QBENCHMARK { + QStringList fileList = testdir.entryList(QDir::NoFilter, QDir::Time); + foreach (const QString &filename, fileList) { + Q_UNUSED(filename); + } + } + } + + void sizeSpeedWithoutFilterLowLevel() + { + QDir testdir(QDir::tempPath() + QLatin1String("/test_speed")); +#ifdef Q_OS_WIN + const wchar_t *dirpath = (wchar_t*)testdir.absolutePath().utf16(); + wchar_t appendedPath[MAX_PATH]; + wcscpy(appendedPath, dirpath); + wcscat(appendedPath, L"\\*"); + + WIN32_FIND_DATA fd; + HANDLE hSearch = FindFirstFileW(appendedPath, &fd); + QVERIFY(hSearch != INVALID_HANDLE_VALUE); + + QBENCHMARK { + do { + + } while (FindNextFile(hSearch, &fd)); + } + FindClose(hSearch); +#else + DIR *dir = opendir(qPrintable(testdir.absolutePath())); + QVERIFY(dir); + + QVERIFY(!chdir(qPrintable(testdir.absolutePath()))); + QBENCHMARK { + struct dirent *item = readdir(dir); + while (item) { + char *fileName = item->d_name; + + struct stat fileStat; + QVERIFY(!stat(fileName, &fileStat)); + + item = readdir(dir); + } + } + closedir(dir); +#endif + } +}; + +QTEST_MAIN(tst_QDir_10000) + +#include "tst_bench_qdir_10000.moc" |