1 files changed, 98 insertions, 0 deletions
diff --git a/tests/benchmarks/qdir/tst_qdir.cpp b/tests/benchmarks/qdir/tst_qdir.cpp
new file mode 100644
index 0000000..6405645
--- /dev/null
+++ b/tests/benchmarks/qdir/tst_qdir.cpp
@@ -0,0 +1,98 @@
+#include <QtTest/QtTest>
+
+#include<dirent.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+class Test : 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"));
+
+            foreach (const QString &filename, testdir.entryList()) {
+                testdir.remove(filename);
+            }
+        }
+        const QDir temp = QDir(QDir::tempPath());
+        temp.rmdir(QLatin1String("test_speed"));
+    }
+private slots:
+    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 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 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) {
+
+            }
+        }
+    }
+#ifndef Q_OS_WIN
+    void testLowLevel() {
+        QDir testdir(QDir::tempPath() + QLatin1String("/test_speed"));
+        DIR *dir = opendir(qPrintable(testdir.absolutePath()));
+        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(Test)
+#include "tst_qdir.moc"