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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 <QString>
#include <QMap>
#include <QHash>
#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(QByteArray("hash--" + sizeString).constData()) << true << size;
QTest::newRow(QByteArray("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(QByteArray("hash--" + sizeString).constData()) << true << size;
QTest::newRow(QByteArray("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);
}
Q_UNUSED(val);
}
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 "tst_bench_containers_associative.moc"
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