qt 6.5.1 original

tests/benchmarks/corelib/tools/qringbuffer/CMakeLists.txt

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

tests/benchmarks/corelib/tools/qringbuffer/tst_bench_qringbuffer.cpp

@@ -0,0 +1,46 @@
+// 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 <private/qringbuffer_p.h>
+#include <QByteArray>
+
+#include <qtest.h>
+
+class tst_QRingBuffer : public QObject
+{
+    Q_OBJECT
+private slots:
+    void reserveAndRead();
+    void free();
+};
+
+void tst_QRingBuffer::reserveAndRead()
+{
+    QRingBuffer ringBuffer;
+    QBENCHMARK {
+        for (qint64 i = 1; i < 256; ++i)
+            ringBuffer.reserve(i);
+
+        for (qint64 i = 1; i < 256; ++i)
+            ringBuffer.read(0, i);
+    }
+}
+
+void tst_QRingBuffer::free()
+{
+    QRingBuffer ringBuffer;
+    QBENCHMARK {
+        ringBuffer.reserve(4096);
+        ringBuffer.reserve(2048);
+        ringBuffer.append(QByteArray("01234", 5));
+
+        ringBuffer.free(1);
+        ringBuffer.free(4096);
+        ringBuffer.free(48);
+        ringBuffer.free(2000);
+    }
+}
+
+QTEST_MAIN(tst_QRingBuffer)
+
+#include "tst_bench_qringbuffer.moc"