129 lines
3.5 KiB
C++
129 lines
3.5 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2016 The Qt Company Ltd.
|
|
** Contact: https://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the test suite of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
|
|
** Commercial License Usage
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
** accordance with the commercial license agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and The Qt Company. For licensing terms
|
|
** and conditions see https://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at https://www.qt.io/contact-us.
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License version 3 as published by the Free Software
|
|
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
|
|
** included in the packaging of this file. Please review the following
|
|
** information to ensure the GNU General Public License requirements will
|
|
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include <QSet>
|
|
#include <QTest>
|
|
|
|
class tst_QSet : public QObject
|
|
{
|
|
Q_OBJECT
|
|
|
|
private slots:
|
|
void intersect_int_data();
|
|
void intersect_int();
|
|
void intersect_complexType_data();
|
|
void intersect_complexType();
|
|
};
|
|
|
|
void tst_QSet::intersect_int_data()
|
|
{
|
|
QTest::addColumn<int>("lhsSize");
|
|
QTest::addColumn<int>("rhsSize");
|
|
QTest::addColumn<int>("intersectSize");
|
|
|
|
QTest::newRow("1000000.intersect(1000) = empty") << 1000000 << 1000 << 0;
|
|
QTest::newRow("1000.intersect(1000000) = empty") << 1000 << 1000000 << 0;
|
|
QTest::newRow("1000000.intersect(1000) = 500") << 1000000 << 1000 << 500;
|
|
QTest::newRow("1000.intersect(1000000) = 500") << 1000 << 1000000 << 500;
|
|
QTest::newRow("1000000.intersect(1000) = 1000") << 1000000 << 1000 << 1000;
|
|
QTest::newRow("1000.intersect(1000000) = 1000") << 1000 << 1000000 << 1000;
|
|
}
|
|
|
|
void tst_QSet::intersect_int()
|
|
{
|
|
QFETCH(int, lhsSize);
|
|
QFETCH(int, rhsSize);
|
|
QFETCH(int, intersectSize);
|
|
|
|
// E.g. when lhsSize = 1000, rhsSize = 1000000 and intersectSize = 500:
|
|
// lhsSize = { 0, 1, ... 1000 }
|
|
// rhsSize = { 500, 501, ... 1000500 }
|
|
|
|
QSet<int> lhs;
|
|
for (int i = 0; i < lhsSize; ++i)
|
|
lhs.insert(i);
|
|
|
|
QSet<int> rhs;
|
|
const int start = lhsSize - intersectSize;
|
|
for (int i = start; i < start + rhsSize; ++i)
|
|
rhs.insert(i);
|
|
|
|
QBENCHMARK {
|
|
lhs.intersect(rhs);
|
|
}
|
|
|
|
QVERIFY(lhs.size() == intersectSize);
|
|
}
|
|
|
|
struct ComplexType
|
|
{
|
|
ComplexType(int a) : a(a) {}
|
|
int a;
|
|
int b;
|
|
int c;
|
|
};
|
|
|
|
inline uint qHash(const ComplexType &key, uint seed = 0)
|
|
{
|
|
return uint(key.a) ^ seed;
|
|
}
|
|
|
|
inline bool operator==(const ComplexType &lhs, const ComplexType &rhs)
|
|
{
|
|
return lhs.a == rhs.a;
|
|
}
|
|
|
|
void tst_QSet::intersect_complexType_data()
|
|
{
|
|
intersect_int_data();
|
|
}
|
|
|
|
void tst_QSet::intersect_complexType()
|
|
{
|
|
QFETCH(int, lhsSize);
|
|
QFETCH(int, rhsSize);
|
|
QFETCH(int, intersectSize);
|
|
|
|
QSet<ComplexType> lhs;
|
|
for (int i = 0; i < lhsSize; ++i)
|
|
lhs.insert(ComplexType(i));
|
|
|
|
QSet<ComplexType> rhs;
|
|
const int start = lhsSize - intersectSize;
|
|
for (int i = start; i < start + rhsSize; ++i)
|
|
rhs.insert(ComplexType(i));
|
|
|
|
QBENCHMARK {
|
|
lhs.intersect(rhs);
|
|
}
|
|
}
|
|
|
|
QTEST_MAIN(tst_QSet)
|
|
|
|
#include "main.moc"
|