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0001 /* Copyright (C) 2006 - 2014 Jan Kundrát <jkt@flaska.net> 0002 0003 This file is part of the Trojita Qt IMAP e-mail client, 0004 http://trojita.flaska.net/ 0005 0006 This program is free software; you can redistribute it and/or 0007 modify it under the terms of the GNU General Public License as 0008 published by the Free Software Foundation; either version 2 of 0009 the License or (at your option) version 3 or any later version 0010 accepted by the membership of KDE e.V. (or its successor approved 0011 by the membership of KDE e.V.), which shall act as a proxy 0012 defined in Section 14 of version 3 of the license. 0013 0014 This program is distributed in the hope that it will be useful, 0015 but WITHOUT ANY WARRANTY; without even the implied warranty of 0016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 0017 GNU General Public License for more details. 0018 0019 You should have received a copy of the GNU General Public License 0020 along with this program. If not, see <http://www.gnu.org/licenses/>. 0021 */ 0022 0023 #include <QTest> 0024 #include <functional> 0025 #include "test_algorithms.h" 0026 0027 #include "Common/FindWithUnknown.h" 0028 0029 Q_DECLARE_METATYPE(QList<int>) 0030 0031 bool isZero(const int num) 0032 { 0033 return num == 0; 0034 } 0035 0036 void TestCommonAlgorithms::testLowerBoundWithUnknown() 0037 { 0038 QFETCH(QList<int>, list); 0039 QFETCH(int, needle); 0040 QFETCH(int, offset); 0041 0042 QList<int>::const_iterator it = Common::linearLowerBoundWithUnknownElements(list.constBegin(), list.constEnd(), needle, isZero, std::less<int>()); 0043 QCOMPARE(it - list.constBegin(), offset); 0044 it = Common::lowerBoundWithUnknownElements(list.constBegin(), list.constEnd(), needle, isZero, std::less<int>()); 0045 QCOMPARE(it - list.constBegin(), offset); 0046 } 0047 0048 void TestCommonAlgorithms::testLowerBoundWithUnknown_data() 0049 { 0050 QTest::addColumn<QList<int> >("list"); 0051 QTest::addColumn<int>("needle"); 0052 QTest::addColumn<int>("offset"); 0053 0054 // The basic variant where there are no dummy items 0055 QTest::newRow("empty-list") << QList<int>() << 10 << 0; 0056 QTest::newRow("one-item-which-is-bigger") << (QList<int>() << 5) << 1 << 0; 0057 QTest::newRow("one-item-which-is-lower") << (QList<int>() << 5) << 10 << 1; 0058 QTest::newRow("one-item-exact") << (QList<int>() << 5) << 5 << 0; 0059 QTest::newRow("three-items-before-first") << (QList<int>() << 5 << 10 << 15) << 4 << 0; 0060 QTest::newRow("three-items-first") << (QList<int>() << 5 << 10 << 15) << 5 << 0; 0061 QTest::newRow("three-items-after-first") << (QList<int>() << 5 << 10 << 15) << 6 << 1; 0062 QTest::newRow("three-items-before-last") << (QList<int>() << 5 << 10 << 15) << 14 << 2; 0063 QTest::newRow("three-items-last") << (QList<int>() << 5 << 10 << 15) << 15 << 2; 0064 QTest::newRow("three-items-after-last") << (QList<int>() << 5 << 10 << 15) << 16 << 3; 0065 0066 // Add some fake items to the mix 0067 QTest::newRow("all-fakes") << (QList<int>() << 0 << 0 << 0) << 1 << 3; 0068 QTest::newRow("one-fake") << (QList<int>() << 0) << 1 << 1; 0069 QTest::newRow("fake-match-fake") << (QList<int>() << 0 << 1 << 0) << 1 << 1; 0070 QTest::newRow("fake-fake-match-fake") << (QList<int>() << 0 << 0 << 1 << 0) << 1 << 2; 0071 QTest::newRow("fake-lower-fake-fake") << (QList<int>() << 0 << 1 << 0 << 0) << 2 << 4; 0072 0073 QList<int> list; 0074 list << 1 << 2 << 3 << 4 << 5 << 6 << 7 << 8 << 9 << 10 << 11 << 0 << 13; 0075 QTest::newRow("many-items-just-one-fake-2") << list << 2 << 1; 0076 QTest::newRow("many-items-just-one-fake-11") << list << 11 << 10; 0077 QTest::newRow("many-items-just-one-fake-12") << list << 12 << 12; 0078 QTest::newRow("many-items-just-one-fake-13") << list << 13 << 12; 0079 } 0080 0081 QTEST_GUILESS_MAIN(TestCommonAlgorithms)