| 1 | /**************************************************************************** |
|---|---|
| 2 | ** |
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the test suite of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
| 9 | ** Commercial License Usage |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
| 11 | ** accordance with the commercial license agreement provided with the |
| 12 | ** Software or, alternatively, in accordance with the terms contained in |
| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU |
| 19 | ** General Public License version 3 as published by the Free Software |
| 20 | ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT |
| 21 | ** included in the packaging of this file. Please review the following |
| 22 | ** information to ensure the GNU General Public License requirements will |
| 23 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| 24 | ** |
| 25 | ** $QT_END_LICENSE$ |
| 26 | ** |
| 27 | ****************************************************************************/ |
| 28 | #include <qtconcurrentmedian.h> |
| 29 | |
| 30 | #include <QtTest/QtTest> |
| 31 | |
| 32 | class tst_QtConcurrentMedian: public QObject |
| 33 | { |
| 34 | Q_OBJECT |
| 35 | private slots: |
| 36 | void median_data(); |
| 37 | void median(); |
| 38 | }; |
| 39 | |
| 40 | void tst_QtConcurrentMedian::median_data() |
| 41 | { |
| 42 | QTest::addColumn<QList<int> >(name: "values"); |
| 43 | QTest::addColumn<int>(name: "expectedMedian"); |
| 44 | |
| 45 | QTest::newRow(dataTag: "size=1") |
| 46 | << (QList<int>() << 1) |
| 47 | << 1; |
| 48 | |
| 49 | QTest::newRow(dataTag: "size=2") |
| 50 | << (QList<int>() << 3 << 2) |
| 51 | << 3; |
| 52 | |
| 53 | QTest::newRow(dataTag: "size=3") |
| 54 | << (QList<int>() << 3 << 1 << 2) |
| 55 | << 2; |
| 56 | |
| 57 | QTest::newRow(dataTag: "gcc bug 58800 (nth_element)") |
| 58 | << (QList<int>() << 207089 << 202585 << 180067 << 157549 << 211592 << 216096 << 207089) |
| 59 | << 207089; |
| 60 | } |
| 61 | |
| 62 | void tst_QtConcurrentMedian::median() |
| 63 | { |
| 64 | QFETCH(QList<int> , values); |
| 65 | QFETCH(int, expectedMedian); |
| 66 | |
| 67 | QtConcurrent::Median<int> m(values.size()); |
| 68 | foreach (int value, values) |
| 69 | m.addValue(value); |
| 70 | QCOMPARE(m.median(), expectedMedian); |
| 71 | } |
| 72 | |
| 73 | QTEST_MAIN(tst_QtConcurrentMedian) |
| 74 | #include "tst_qtconcurrentmedian.moc" |
| 75 |
