qt 6.5.1 original

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

@@ -0,0 +1,13 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_bench_qtemporaryfile Binary:
+#####################################################################
+
+qt_internal_add_benchmark(tst_bench_qtemporaryfile
+    SOURCES
+        tst_bench_qtemporaryfile.cpp
+    LIBRARIES
+        Qt::Test
+)

tests/benchmarks/corelib/io/qtemporaryfile/tst_bench_qtemporaryfile.cpp

@@ -0,0 +1,64 @@
+// 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 <QIODevice>
+#include <QFile>
+#include <QString>
+#include <QTemporaryFile>
+#include <qtest.h>
+
+class tst_QTemporaryFile : public QObject
+{
+    Q_OBJECT
+private slots:
+    void openclose_data();
+    void openclose();
+    void readwrite_data() { openclose_data(); }
+    void readwrite();
+
+private:
+};
+
+void tst_QTemporaryFile::openclose_data()
+{
+    QTest::addColumn<qint64>("amount");
+    QTest::newRow("100")   << qint64(100);
+    QTest::newRow("1000")  << qint64(1000);
+    QTest::newRow("10000") << qint64(10000);
+}
+
+void tst_QTemporaryFile::openclose()
+{
+    QFETCH(qint64, amount);
+
+    QBENCHMARK {
+        for (qint64 i = 0; i < amount; ++i) {
+            QTemporaryFile file;
+            file.open();
+            file.close();
+        }
+    }
+}
+
+void tst_QTemporaryFile::readwrite()
+{
+    QFETCH(qint64, amount);
+
+    const int dataSize = 4096;
+    QByteArray data;
+    data.fill('a', dataSize);
+    QBENCHMARK {
+        for (qint64 i = 0; i < amount; ++i) {
+            QTemporaryFile file;
+            file.open();
+            file.write(data);
+            file.seek(0);
+            file.read(dataSize);
+            file.close();
+        }
+    }
+}
+
+QTEST_MAIN(tst_QTemporaryFile)
+
+#include "tst_bench_qtemporaryfile.moc"