qt 6.5.1 original

tests/benchmarks/corelib/io/qfileinfo/CMakeLists.txt

@@ -0,0 +1,14 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_bench_qfileinfo Binary:
+#####################################################################
+
+qt_internal_add_benchmark(tst_bench_qfileinfo
+    SOURCES
+        tst_bench_qfileinfo.cpp
+    LIBRARIES
+        Qt::CorePrivate
+        Qt::Test
+)

tests/benchmarks/corelib/io/qfileinfo/tst_bench_qfileinfo.cpp

@@ -0,0 +1,77 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#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 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
+
+QTEST_MAIN(tst_QFileInfo)
+
+#include "tst_bench_qfileinfo.moc"