qt 6.5.1 original

tests/benchmarks/network/kernel/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+if(QT_FEATURE_private_tests)
+    add_subdirectory(qhostinfo)
+endif()

tests/benchmarks/network/kernel/qhostinfo/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_bench_qhostinfo Binary:
+#####################################################################
+
+qt_internal_add_benchmark(tst_bench_qhostinfo
+    SOURCES
+        main.cpp
+    LIBRARIES
+        Qt::CorePrivate
+        Qt::Network
+        Qt::NetworkPrivate
+        Qt::Test
+)

tests/benchmarks/network/kernel/qhostinfo/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 <QDebug>
+#include <QHostInfo>
+#include <QStringList>
+#include <QString>
+
+#include <qtest.h>
+#include <qtesteventloop.h>
+
+#include "private/qhostinfo_p.h"
+
+class tst_qhostinfo : public QObject
+{
+    Q_OBJECT
+public slots:
+    void init();
+private slots:
+    void lookupSpeed_data();
+    void lookupSpeed();
+};
+
+class SignalReceiver : public QObject
+{
+    Q_OBJECT
+public:
+    SignalReceiver(int nrc) : receiveCount(0), neededReceiveCount(nrc) {};
+    int receiveCount;
+    int neededReceiveCount;
+public slots:
+    void resultsReady(const QHostInfo) {
+        receiveCount++;
+        if (receiveCount == neededReceiveCount)
+            QTestEventLoop::instance().exitLoop();
+    }
+};
+
+void tst_qhostinfo::init()
+{
+    // delete the cache so inidividual testcase results are independent from each other
+    qt_qhostinfo_clear_cache();
+}
+
+void tst_qhostinfo::lookupSpeed_data()
+{
+    QTest::addColumn<bool>("cache");
+    QTest::newRow("WithCache") << true;
+    QTest::newRow("WithoutCache") << false;
+}
+
+void tst_qhostinfo::lookupSpeed()
+{
+    QFETCH(bool, cache);
+    qt_qhostinfo_enable_cache(cache);
+
+    QStringList hostnameList;
+    hostnameList << "www.ovi.com" << "www.nokia.com" << "qt-project.org" << "www.trolltech.com" << "troll.no"
+            << "www.qtcentre.org" << "forum.nokia.com" << "www.forum.nokia.com" << "wiki.forum.nokia.com"
+            << "www.nokia.no" << "nokia.de" << "127.0.0.1" << "----";
+    // also add some duplicates:
+    hostnameList << "www.nokia.com" << "127.0.0.1" << "www.trolltech.com";
+    // and some more
+    hostnameList << hostnameList;
+
+    const int COUNT = hostnameList.size();
+
+    SignalReceiver receiver(COUNT);
+
+    QBENCHMARK {
+        for (int i = 0; i < hostnameList.size(); i++)
+            QHostInfo::lookupHost(hostnameList.at(i), &receiver, SLOT(resultsReady(QHostInfo)));
+        QTestEventLoop::instance().enterLoop(20);
+        QVERIFY(!QTestEventLoop::instance().timeout());
+    }
+}
+
+
+QTEST_MAIN(tst_qhostinfo)
+
+#include "main.moc"