tests/benchmarks/containers-associative/main.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/benchmarks/containers-associative/main.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,143 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <QtGui>
+#include <QString>
+
+#include <qtest.h>
+
+class tst_associative_containers : public QObject
+{
+    Q_OBJECT
+private slots:
+    void insert_data();
+    void insert();
+    void lookup_data();
+    void lookup();
+};
+
+template <typename T> 
+void testInsert(int size)
+{
+    T container;
+
+    QBENCHMARK {
+        for (int i = 0; i < size; ++i)
+            container.insert(i, i);
+    }
+}
+
+void tst_associative_containers::insert_data()
+{
+    QTest::addColumn<bool>("useHash");
+    QTest::addColumn<int>("size");
+
+    for (int size = 10; size < 20000; size += 100) {
+    
+        const QByteArray sizeString = QByteArray::number(size);
+
+        QTest::newRow(("hash--" + sizeString).constData()) << true << size;
+        QTest::newRow(("map--" + sizeString).constData()) << false << size;
+    }
+}
+
+void tst_associative_containers::insert()
+{
+    QFETCH(bool, useHash);
+    QFETCH(int, size);
+
+    QHash<int, int> testHash;
+    QMap<int, int> testMap;
+
+    if (useHash) {
+        testInsert<QHash<int, int> >(size);        
+    } else {
+        testInsert<QMap<int, int> >(size);        
+    }
+}
+
+void tst_associative_containers::lookup_data()
+{
+//    setReportType(LineChartReport);
+//    setChartTitle("Time to call value(), with an increasing number of items in the container");
+
+    QTest::addColumn<bool>("useHash");
+    QTest::addColumn<int>("size");
+
+    for (int size = 10; size < 20000; size += 100) {
+    
+        const QByteArray sizeString = QByteArray::number(size);
+
+        QTest::newRow(("hash--" + sizeString).constData()) << true << size;
+        QTest::newRow(("map--" + sizeString).constData()) << false << size;
+    }
+}
+
+template <typename T> 
+void testLookup(int size)
+{
+    T container;
+    
+    for (int i = 0; i < size; ++i)
+        container.insert(i, i);
+
+    int val;
+
+    QBENCHMARK {
+        for (int i = 0; i < size; ++i)
+            val = container.value(i);
+        
+    }
+}
+
+void tst_associative_containers::lookup()
+{
+    QFETCH(bool, useHash);
+    QFETCH(int, size);
+
+    if (useHash) {
+        testLookup<QHash<int, int> >(size);
+    } else {
+        testLookup<QMap<int, int> >(size);
+    }
+}
+
+QTEST_MAIN(tst_associative_containers)
+#include "main.moc"