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author | Alexis Menard <alexis.menard@nokia.com> | 2009-04-17 10:40:52 (GMT) |
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committer | Alexis Menard <alexis.menard@nokia.com> | 2009-04-17 10:40:52 (GMT) |
commit | bb2e4df9bee3148e819c98410aa36e22dad95d7a (patch) | |
tree | a6e6e8c070a72378d4b2e5f39ad3cc9c368b61ab /tests/auto/qcache/tst_qcache.cpp | |
download | Qt-bb2e4df9bee3148e819c98410aa36e22dad95d7a.zip Qt-bb2e4df9bee3148e819c98410aa36e22dad95d7a.tar.gz Qt-bb2e4df9bee3148e819c98410aa36e22dad95d7a.tar.bz2 |
Initial import of kinetic-animations branch from the old kinetic
repository to the new repository
Diffstat (limited to 'tests/auto/qcache/tst_qcache.cpp')
-rw-r--r-- | tests/auto/qcache/tst_qcache.cpp | 441 |
1 files changed, 441 insertions, 0 deletions
diff --git a/tests/auto/qcache/tst_qcache.cpp b/tests/auto/qcache/tst_qcache.cpp new file mode 100644 index 0000000..f0d0454 --- /dev/null +++ b/tests/auto/qcache/tst_qcache.cpp @@ -0,0 +1,441 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#include <QtTest/QtTest> + + +#include <qcache.h> + +//TESTED_CLASS= +//TESTED_FILES= + +class tst_QCache : public QObject +{ + Q_OBJECT + +public: + tst_QCache(); + virtual ~tst_QCache(); + + +public slots: + void initTestCase(); + void cleanupTestCase(); +private slots: + void maxCost(); + void setMaxCost(); + void totalCost(); + void clear(); + void insert(); + void contains(); + void operator_bracket_bracket(); + void remove(); + void take(); + void axioms_on_key_type(); +}; + + +struct Foo { + static int count; + Foo():c(count) { ++count; } + Foo(const Foo& o):c(o.c) { ++count; } + ~Foo() { --count; } + int c; + int data[8]; +}; + +int Foo::count = 0; + +tst_QCache::tst_QCache() +{ +} + +tst_QCache::~tst_QCache() +{ +} + +void tst_QCache::initTestCase() +{ + Foo::count = 0; +} + +void tst_QCache::cleanupTestCase() +{ + // always check for memory leaks + QCOMPARE(Foo::count, 0); +} + +void tst_QCache::maxCost() +{ + QCache<QString, int> cache1, cache2(100), cache3(200), cache4(-50); + QCOMPARE(cache1.maxCost(), 100); + QCOMPARE(cache2.maxCost(), 100); + QCOMPARE(cache3.maxCost(), 200); + QCOMPARE(cache4.maxCost(), -50); // 0 would also make sense + + cache1.setMaxCost(101); + QCOMPARE(cache1.maxCost(), 101); + + cache1.insert("one", new int(1), 1); + cache1.insert("two", new int(2), 1); + QCOMPARE(cache1.totalCost(), 2); + QCOMPARE(cache1.size(), 2); + QCOMPARE(cache1.maxCost(), 101); + + cache1.insert("three", new int(3), 98); + QCOMPARE(cache1.totalCost(), 100); + QCOMPARE(cache1.size(), 3); + QCOMPARE(cache1.maxCost(), 101); + + cache1.insert("four", new int(4), 1); + QCOMPARE(cache1.totalCost(), 101); + QCOMPARE(cache1.size(), 4); + QCOMPARE(cache1.maxCost(), 101); + + cache1.insert("five", new int(4), 1); + QVERIFY(cache1.totalCost() <= 101); + QVERIFY(cache1.size() == 4); + QCOMPARE(cache1.maxCost(), 101); + + cache1.setMaxCost(-1); + QCOMPARE(cache1.totalCost(), 0); + QCOMPARE(cache1.maxCost(), -1); + + cache2.setMaxCost(202); + QCOMPARE(cache2.maxCost(), 202); + + cache3.setMaxCost(-50); + QCOMPARE(cache3.maxCost(), -50); +} + +void tst_QCache::setMaxCost() +{ + QCache<int, Foo> cache; + cache.setMaxCost(2); + cache.insert(1, new Foo); + cache.insert(2, new Foo); + QCOMPARE(cache.totalCost(), 2); + QCOMPARE(Foo::count, 2); + + cache.insert(3, new Foo); + QCOMPARE(cache.totalCost(), 2); + QCOMPARE(Foo::count, 2); + + cache.setMaxCost(3); + QCOMPARE(cache.totalCost(), 2); + QCOMPARE(Foo::count, 2); + + cache.setMaxCost(2); + QCOMPARE(cache.totalCost(), 2); + QCOMPARE(Foo::count, 2); + + cache.setMaxCost(1); + QCOMPARE(cache.totalCost(), 1); + QCOMPARE(Foo::count, 1); + + cache.setMaxCost(0); + QCOMPARE(cache.totalCost(), 0); + QCOMPARE(Foo::count, 0); + + cache.setMaxCost(-1); + QCOMPARE(cache.totalCost(), 0); + QCOMPARE(Foo::count, 0); +} + +void tst_QCache::totalCost() +{ + QCache<QString, int> cache; + QCOMPARE(cache.totalCost(), 0); + + cache.insert("one", new int(1), 0); + QCOMPARE(cache.totalCost(), 0); + + cache.insert("two", new int(2), 1); + QCOMPARE(cache.totalCost(), 1); + + cache.insert("three", new int(3), 2); + QCOMPARE(cache.totalCost(), 3); + + cache.insert("four", new int(4), 10000); + QCOMPARE(cache.totalCost(), 3); + QVERIFY(!cache.contains("four")); + + cache.insert("five", new int(5), -5); + QCOMPARE(cache.totalCost(), -2); + + cache.insert("six", new int(6), 101); + QCOMPARE(cache.totalCost(), -2); + + cache.insert("seven", new int(7), 100); + QCOMPARE(cache.totalCost(), 98); + QCOMPARE(cache.size(), 5); + + cache.insert("eight", new int(8), 2); + QCOMPARE(cache.totalCost(), 100); + QCOMPARE(cache.size(), 6); +} + +void tst_QCache::clear() +{ + { + QCache<QString, Foo> cache(200); + QCOMPARE(cache.totalCost(), 0); + + for (int i = -3; i < 9; ++i) + cache.insert(QString::number(i), new Foo, i); + QCOMPARE(cache.totalCost(), 30); + + QCOMPARE(cache.size(), 12); + QVERIFY(!cache.isEmpty()); + cache.setMaxCost(300); + + for (int j = 0; j < 3; ++j) { + cache.clear(); + QCOMPARE(cache.totalCost(), 0); + QCOMPARE(cache.size(), 0); + QVERIFY(cache.isEmpty()); + QCOMPARE(Foo::count, 0); + QCOMPARE(cache.maxCost(), 300); + } + cache.insert("10", new Foo, 10); + QCOMPARE(cache.size(), 1); + cache.setMaxCost(9); + QCOMPARE(cache.size(), 0); + + cache.insert("11", new Foo, 9); + QCOMPARE(cache.size(), 1); + QCOMPARE(Foo::count, 1); + } + QCOMPARE(Foo::count, 0); +} + +void tst_QCache::insert() +{ + QCache<QString, Foo> cache; + + Foo *f1 = new Foo; + cache.insert("one", f1, 1); + QVERIFY(cache.contains("one")); + + Foo *f2 = new Foo; + cache.insert("two", f2, 2); + QVERIFY(cache.contains("two")); + QCOMPARE(cache.size(), 2); + + Foo *f3 = new Foo; + cache.insert("two", f3, 2); + QVERIFY(cache.contains("two")); + QCOMPARE(cache.size(), 2); + + QVERIFY(cache["two"] == f3); + QCOMPARE(Foo::count, 2); + + /* + If the new item is too big, any item with the same name in + the cache must still be removed, otherwise the application + might get bad results. + */ + Foo *f4 = new Foo; + cache.insert("two", f4, 10000); + QVERIFY(!cache.contains("two")); + QCOMPARE(cache.size(), 1); + QCOMPARE(Foo::count, 1); +} + +void tst_QCache::contains() +{ + QCache<int, int> cache; + QVERIFY(!cache.contains(0)); + QVERIFY(!cache.contains(1)); + + cache.insert(1, new int(1), 1); + QVERIFY(!cache.contains(0)); + QVERIFY(cache.contains(1)); + + cache.remove(0); + cache.remove(1); + QVERIFY(!cache.contains(0)); + QVERIFY(!cache.contains(1)); + + cache.insert(1, new int(1), 1); + QVERIFY(!cache.contains(0)); + QVERIFY(cache.contains(1)); + + cache.clear(); + QVERIFY(!cache.contains(0)); + QVERIFY(!cache.contains(1)); +} + +void tst_QCache::operator_bracket_bracket() +{ + QCache<int, int> cache; + cache.insert(1, new int(2)); + QVERIFY(cache[0] == 0); + QVERIFY(cache[1] != 0); + QCOMPARE(*cache[1], 2); + + cache.insert(1, new int(4)); + QVERIFY(cache[1] != 0); + QCOMPARE(*cache[1], 4); + + // check that operator[] doesn't remove the item + QVERIFY(cache[1] != 0); + QCOMPARE(*cache[1], 4); + + cache.remove(1); + QVERIFY(cache[1] == 0); +} + +void tst_QCache::remove() +{ + QCache<QString, Foo> cache; + cache.remove(QString()); + cache.remove("alpha"); + QVERIFY(cache.isEmpty()); + + cache.insert("alpha", new Foo, 10); + QCOMPARE(cache.size(), 1); + + cache.insert("beta", new Foo, 20); + QCOMPARE(cache.size(), 2); + + for (int i = 0; i < 10; ++i) { + cache.remove("alpha"); + QCOMPARE(cache.size(), 1); + QCOMPARE(cache.totalCost(), 20); + } + + cache.setMaxCost(1); + QCOMPARE(cache.size(), 0); + cache.remove("beta"); + QCOMPARE(cache.size(), 0); +} + +void tst_QCache::take() +{ + QCache<QString, Foo> cache; + QCOMPARE(cache.take(QString()), (Foo*)0); + QCOMPARE(cache.take("alpha"), (Foo*)0); + QVERIFY(cache.isEmpty()); + + Foo *f1 = new Foo; + cache.insert("alpha", f1, 10); + QCOMPARE(cache.size(), 1); + QVERIFY(cache["alpha"] == f1); + + cache.insert("beta", new Foo, 20); + QCOMPARE(cache.size(), 2); + + QCOMPARE(cache.take("alpha"), f1); + QCOMPARE(cache.size(), 1); + QCOMPARE(cache.totalCost(), 20); + QCOMPARE(Foo::count, 2); + delete f1; + QCOMPARE(Foo::count, 1); + + QCOMPARE(cache.take("alpha"), (Foo*)0); + QCOMPARE(Foo::count, 1); + QCOMPARE(cache.size(), 1); + QCOMPARE(cache.totalCost(), 20); + + cache.setMaxCost(1); + QCOMPARE(cache.size(), 0); + QCOMPARE(cache.take("beta"), (Foo*)0); + QCOMPARE(cache.size(), 0); +} + +struct KeyType +{ + int foo; + + KeyType(int x) : foo(x) {} + + /* + Qt 4.0 and 4.1 require a default ctor and an operator=(). + */ +#if QT_VERSION < 0x040200 + KeyType() : foo(0) {} +#else +private: + KeyType &operator=(const KeyType &); +#endif +}; + +struct ValueType +{ + int foo; + + ValueType(int x) : foo(x) {} + +private: + ValueType(const ValueType &); + ValueType &operator=(const ValueType &); +}; + +bool operator==(const KeyType &key1, const KeyType &key2) +{ + return key1.foo == key2.foo; +} + +uint qHash(const KeyType &key) +{ + return qHash(key.foo); +} + +void tst_QCache::axioms_on_key_type() +{ + QCache<KeyType, ValueType> foo; + foo.setMaxCost(1); + foo.clear(); + foo.insert(KeyType(123), new ValueType(123)); + foo.object(KeyType(123)); + foo.contains(KeyType(456)); + foo[KeyType(456)]; + foo.remove(KeyType(456)); + foo.remove(KeyType(123)); + foo.take(KeyType(789)); +// If this fails, contact the maintaner + QVERIFY(sizeof(QHash<int, int>) == sizeof(void *)); +} + +QTEST_APPLESS_MAIN(tst_QCache) +#include "tst_qcache.moc" |