qt 6.5.1 original

tests/benchmarks/widgets/kernel/qapplication/CMakeLists.txt

@@ -0,0 +1,15 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_bench_qapplication Binary:
+#####################################################################
+
+qt_internal_add_benchmark(tst_bench_qapplication
+    SOURCES
+        main.cpp
+    LIBRARIES
+        Qt::Gui
+        Qt::Test
+        Qt::Widgets
+)

tests/benchmarks/widgets/kernel/qapplication/main.cpp

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+// 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 <QApplication>
+
+#include <qtest.h>
+
+
+class tst_qapplication : public QObject
+{
+    Q_OBJECT
+private slots:
+    void ctor();
+};
+
+/*
+    Test the performance of the QApplication constructor.
+
+    Note: results from the second start on can be misleading,
+    since all global statics are already initialized.
+*/
+void tst_qapplication::ctor()
+{
+    // simulate reasonable argc, argv
+    int argc = 1;
+    char *argv[] = { const_cast<char*>("tst_qapplication") };
+    QBENCHMARK {
+        QApplication app(argc, argv);
+    }
+}
+
+QTEST_APPLESS_MAIN(tst_qapplication)
+
+#include "main.moc"