qt 6.5.1 original

tests/benchmarks/corelib/kernel/qmetaenum/CMakeLists.txt

@@ -0,0 +1,10 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+qt_internal_add_benchmark(tst_bench_qmetaenum
+    SOURCES
+        tst_bench_qmetaenum.cpp
+    LIBRARIES
+        Qt::Core
+        Qt::Test
+)

tests/benchmarks/corelib/kernel/qmetaenum/tst_bench_qmetaenum.cpp

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+// Copyright (C) 2021 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Marc Mutz <marc.mutz@kdab.com>
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <QMetaEnum>
+#include <QTest>
+
+class tst_QMetaEnum: public QObject
+{
+    Q_OBJECT
+public:
+    using QObject::QObject;
+
+private Q_SLOTS:
+    void valueToKeys_data();
+    void valueToKeys();
+    void keysToValue_data() { valueToKeys_data(); }
+    void keysToValue();
+};
+
+void tst_QMetaEnum::valueToKeys_data()
+{
+    QTest::addColumn<int>("buttons");
+    QTest::addColumn<QByteArray>("string");
+    // Qt::MouseButtons has at least 24 enumerators, so it's a good performance test
+    const auto me = QMetaEnum::fromType<Qt::MouseButtons>();
+    int accu = 0;
+    for (int i = 0; i < std::min(31, me.keyCount()); ++i) {
+        accu <<= 1;
+        accu |= 1;
+        QTest::addRow("%d bits set", i) << accu << me.valueToKeys(accu);
+    }
+}
+
+void tst_QMetaEnum::valueToKeys()
+{
+    QFETCH(const int, buttons);
+    const auto me = QMetaEnum::fromType<Qt::MouseButtons>();
+    QBENCHMARK {
+        [[maybe_unused]] auto r = me.valueToKeys(buttons);
+    }
+}
+
+void tst_QMetaEnum::keysToValue()
+{
+    QFETCH(const QByteArray, string);
+    const auto me = QMetaEnum::fromType<Qt::MouseButtons>();
+    bool ok;
+    QBENCHMARK {
+        [[maybe_unused]] auto r = me.keysToValue(string.data(), &ok);
+    }
+}
+
+QTEST_MAIN(tst_QMetaEnum)
+
+#include "tst_bench_qmetaenum.moc"