--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qpixmapcache/tst_qpixmapcache.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,486 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+
+
+#include <qpixmapcache.h>
+#include "../../../src/gui/image/qpixmapcache_p.h"
+
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class tst_QPixmapCache : public QObject
+{
+ Q_OBJECT
+
+public:
+ tst_QPixmapCache();
+ virtual ~tst_QPixmapCache();
+
+
+public slots:
+ void init();
+private slots:
+ void cacheLimit();
+ void setCacheLimit();
+ void find();
+ void insert();
+ void replace();
+ void remove();
+ void clear();
+ void pixmapKey();
+};
+
+static QPixmapCache::KeyData* getPrivate(QPixmapCache::Key &key)
+{
+ return (*reinterpret_cast<QPixmapCache::KeyData**>(&key));
+}
+
+static QPixmapCache::KeyData** getPrivateRef(QPixmapCache::Key &key)
+{
+ return (reinterpret_cast<QPixmapCache::KeyData**>(&key));
+}
+
+static int originalCacheLimit;
+
+tst_QPixmapCache::tst_QPixmapCache()
+{
+ originalCacheLimit = QPixmapCache::cacheLimit();
+}
+
+tst_QPixmapCache::~tst_QPixmapCache()
+{
+}
+
+void tst_QPixmapCache::init()
+{
+ QPixmapCache::setCacheLimit(originalCacheLimit);
+ QPixmapCache::clear();
+}
+
+void tst_QPixmapCache::cacheLimit()
+{
+ // make sure the default is reasonable;
+ // it was between 2048 and 10240 last time I looked at it
+ QVERIFY(originalCacheLimit >= 1024 && originalCacheLimit <= 20480);
+
+ QPixmapCache::setCacheLimit(100);
+ QCOMPARE(QPixmapCache::cacheLimit(), 100);
+
+ QPixmapCache::setCacheLimit(-50);
+ QCOMPARE(QPixmapCache::cacheLimit(), -50);
+}
+
+void tst_QPixmapCache::setCacheLimit()
+{
+ QPixmap *p1 = new QPixmap(2, 3);
+ QPixmapCache::insert("P1", *p1);
+ QVERIFY(QPixmapCache::find("P1") != 0);
+ delete p1;
+
+ QPixmapCache::setCacheLimit(0);
+ QVERIFY(QPixmapCache::find("P1") == 0);
+
+ p1 = new QPixmap(2, 3);
+ QPixmapCache::setCacheLimit(1000);
+ QPixmapCache::insert("P1", *p1);
+ QVERIFY(QPixmapCache::find("P1") != 0);
+
+ delete p1;
+
+ //The int part of the API
+ p1 = new QPixmap(2, 3);
+ QPixmapCache::Key key = QPixmapCache::insert(*p1);
+ QVERIFY(QPixmapCache::find(key, p1) != 0);
+ delete p1;
+
+ QPixmapCache::setCacheLimit(0);
+ QVERIFY(QPixmapCache::find(key, p1) == 0);
+
+ p1 = new QPixmap(2, 3);
+ QPixmapCache::setCacheLimit(1000);
+ QPixmapCache::replace(key, *p1);
+ QVERIFY(QPixmapCache::find(key, p1) == 0);
+
+ delete p1;
+
+ //Let check if keys are released when the pixmap cache is
+ //full or has been flushed.
+ QPixmapCache::clear();
+ p1 = new QPixmap(2, 3);
+ key = QPixmapCache::insert(*p1);
+ QVERIFY(QPixmapCache::find(key, p1) != 0);
+ QPixmapCache::setCacheLimit(0);
+ QVERIFY(QPixmapCache::find(key, p1) == 0);
+ QPixmapCache::setCacheLimit(1000);
+ key = QPixmapCache::insert(*p1);
+ QCOMPARE(getPrivate(key)->isValid, true);
+ QCOMPARE(getPrivate(key)->key, 1);
+
+ delete p1;
+
+ //Let check if removing old entries doesn't let you get
+ // wrong pixmaps
+ QPixmapCache::clear();
+ QPixmap p2;
+ p1 = new QPixmap(2, 3);
+ key = QPixmapCache::insert(*p1);
+ QVERIFY(QPixmapCache::find(key, &p2) != 0);
+ //we flush the cache
+ QPixmapCache::setCacheLimit(0);
+ QPixmapCache::setCacheLimit(1000);
+ QPixmapCache::Key key2 = QPixmapCache::insert(*p1);
+ QCOMPARE(getPrivate(key2)->key, 1);
+ QVERIFY(QPixmapCache::find(key, &p2) == 0);
+ QVERIFY(QPixmapCache::find(key2, &p2) != 0);
+ QCOMPARE(p2, *p1);
+
+ delete p1;
+
+ //Here we simulate the flushing when the app is idle
+ /*QPixmapCache::clear();
+ QPixmapCache::setCacheLimit(originalCacheLimit);
+ p1 = new QPixmap(300, 300);
+ key = QPixmapCache::insert(*p1);
+ QCOMPARE(getPrivate(key)->key, 1);
+ key2 = QPixmapCache::insert(*p1);
+ key2 = QPixmapCache::insert(*p1);
+ QPixmapCache::Key key3 = QPixmapCache::insert(*p1);
+ QTest::qWait(32000);
+ key2 = QPixmapCache::insert(*p1);
+ QCOMPARE(getPrivate(key2)->key, 1);
+ //This old key is not valid anymore after the flush
+ QCOMPARE(getPrivate(key)->isValid, false);
+ QVERIFY(QPixmapCache::find(key, &p2) == 0);
+ delete p1;*/
+}
+
+void tst_QPixmapCache::find()
+{
+ QPixmap p1(10, 10);
+ p1.fill(Qt::red);
+ QVERIFY(QPixmapCache::insert("P1", p1));
+
+ QPixmap p2;
+ QVERIFY(QPixmapCache::find("P1", p2));
+ QCOMPARE(p2.width(), 10);
+ QCOMPARE(p2.height(), 10);
+ QCOMPARE(p1, p2);
+
+ // obsolete
+ QPixmap *p3 = QPixmapCache::find("P1");
+ QVERIFY(p3);
+ QCOMPARE(p1, *p3);
+
+ //The int part of the API
+ QPixmapCache::Key key = QPixmapCache::insert(p1);
+
+ QVERIFY(QPixmapCache::find(key, &p2));
+ QCOMPARE(p2.width(), 10);
+ QCOMPARE(p2.height(), 10);
+ QCOMPARE(p1, p2);
+
+ QPixmapCache::clear();
+ QPixmapCache::setCacheLimit(128);
+
+ key = QPixmapCache::insert(p1);
+
+ //The int part of the API
+ QList<QPixmapCache::Key> keys;
+ for (int i = 0; i < 4000; ++i)
+ QPixmapCache::insert(p1);
+
+ //at that time the first key has been erase because no more place in the cache
+ QVERIFY(QPixmapCache::find(key, &p1) == 0);
+ QCOMPARE(getPrivate(key)->isValid, false);
+}
+
+void tst_QPixmapCache::insert()
+{
+ QPixmap p1(10, 10);
+ p1.fill(Qt::red);
+
+ QPixmap p2(10, 10);
+ p2.fill(Qt::yellow);
+
+ // Calcuate estimated num of items what fits to cache
+ int estimatedNum = (1024 * QPixmapCache::cacheLimit())
+ / ((p1.width() * p1.height() * p1.depth()) / 8);
+
+ // Mare sure we will put enough items to reach the cache limit
+ const int numberOfKeys = estimatedNum + 1000;
+
+ // make sure it doesn't explode
+ for (int i = 0; i < numberOfKeys; ++i)
+ QPixmapCache::insert("0", p1);
+
+ // ditto
+ for (int j = 0; j < numberOfKeys; ++j)
+ QPixmapCache::insert(QString::number(j), p1);
+
+ int num = 0;
+ for (int k = 0; k < numberOfKeys; ++k) {
+ if (QPixmapCache::find(QString::number(k)))
+ ++num;
+ }
+
+ if (QPixmapCache::find("0"))
+ ++num;
+
+ QVERIFY(num <= estimatedNum);
+ QPixmap p3;
+ QPixmapCache::insert("null", p3);
+
+ QPixmap c1(10, 10);
+ c1.fill(Qt::yellow);
+ QPixmapCache::insert("custom", c1);
+ QVERIFY(!c1.isDetached());
+ QPixmap c2(10, 10);
+ c2.fill(Qt::red);
+ QPixmapCache::insert("custom", c2);
+ //We have deleted the old pixmap in the cache for the same key
+ QVERIFY(c1.isDetached());
+
+ //The int part of the API
+ // make sure it doesn't explode
+ QList<QPixmapCache::Key> keys;
+ for (int i = 0; i < numberOfKeys; ++i)
+ keys.append(QPixmapCache::insert(p1));
+
+ num = 0;
+ for (int k = 0; k < numberOfKeys; ++k) {
+ if (QPixmapCache::find(keys.at(k), &p2))
+ ++num;
+ }
+
+ estimatedNum = (1024 * QPixmapCache::cacheLimit())
+ / ((p1.width() * p1.height() * p1.depth()) / 8);
+ QVERIFY(num <= estimatedNum);
+}
+
+void tst_QPixmapCache::replace()
+{
+ //The int part of the API
+ QPixmap p1(10, 10);
+ p1.fill(Qt::red);
+
+ QPixmap p2(10, 10);
+ p2.fill(Qt::yellow);
+
+ QPixmapCache::Key key = QPixmapCache::insert(p1);
+ QCOMPARE(getPrivate(key)->isValid, true);
+
+ QPixmap p3;
+ QVERIFY(QPixmapCache::find(key, &p3) == 1);
+
+ QPixmapCache::replace(key, p2);
+
+ QVERIFY(QPixmapCache::find(key, &p3) == 1);
+ QCOMPARE(getPrivate(key)->isValid, true);
+ QCOMPARE(getPrivate(key)->key, 1);
+
+ QCOMPARE(p3.width(), 10);
+ QCOMPARE(p3.height(), 10);
+ QCOMPARE(p3, p2);
+
+ //Broken keys
+ QCOMPARE(QPixmapCache::replace(QPixmapCache::Key(), p2), false);
+}
+
+void tst_QPixmapCache::remove()
+{
+ QPixmap p1(10, 10);
+ p1.fill(Qt::red);
+
+ QPixmapCache::insert("red", p1);
+ p1.fill(Qt::yellow);
+
+ QPixmap p2;
+ QVERIFY(QPixmapCache::find("red", p2));
+ QVERIFY(p1.toImage() != p2.toImage());
+ QVERIFY(p1.toImage() == p1.toImage()); // sanity check
+
+ QPixmapCache::remove("red");
+ QVERIFY(QPixmapCache::find("red") == 0);
+ QPixmapCache::remove("red");
+ QVERIFY(QPixmapCache::find("red") == 0);
+
+ QPixmapCache::remove("green");
+ QVERIFY(QPixmapCache::find("green") == 0);
+
+ //The int part of the API
+ QPixmapCache::clear();
+ p1.fill(Qt::red);
+ QPixmapCache::Key key = QPixmapCache::insert(p1);
+ p1.fill(Qt::yellow);
+
+ QVERIFY(QPixmapCache::find(key, &p2));
+ QVERIFY(p1.toImage() != p2.toImage());
+ QVERIFY(p1.toImage() == p1.toImage()); // sanity check
+
+ QPixmapCache::remove(key);
+ QVERIFY(QPixmapCache::find(key, &p1) == 0);
+
+ //Broken key
+ QPixmapCache::remove(QPixmapCache::Key());
+ QVERIFY(QPixmapCache::find(QPixmapCache::Key(), &p1) == 0);
+
+ //Test if keys are release
+ QPixmapCache::clear();
+ key = QPixmapCache::insert(p1);
+ QCOMPARE(getPrivate(key)->key, 1);
+ QPixmapCache::remove(key);
+ key = QPixmapCache::insert(p1);
+ QCOMPARE(getPrivate(key)->key, 1);
+
+ //Test if pixmaps are correctly deleted
+ QPixmapCache::clear();
+ key = QPixmapCache::insert(p1);
+ QCOMPARE(getPrivate(key)->key, 1);
+ QVERIFY(QPixmapCache::find(key, &p1) != 0);
+ QPixmapCache::remove(key);
+ QCOMPARE(p1.isDetached(), true);
+
+ //We mix both part of the API
+ QPixmapCache::clear();
+ p1.fill(Qt::red);
+ QPixmapCache::insert("red", p1);
+ key = QPixmapCache::insert(p1);
+ QPixmapCache::remove(key);
+ QVERIFY(QPixmapCache::find(key, &p1) == 0);
+ QVERIFY(QPixmapCache::find("red") != 0);
+}
+
+void tst_QPixmapCache::clear()
+{
+ QPixmap p1(10, 10);
+ p1.fill(Qt::red);
+
+ // Calcuate estimated num of items what fits to cache
+ int estimatedNum = (1024 * QPixmapCache::cacheLimit())
+ / ((p1.width() * p1.height() * p1.depth()) / 8);
+
+ // Mare sure we will put enough items to reach the cache limit
+ const int numberOfKeys = estimatedNum + 1000;
+
+ for (int i = 0; i < numberOfKeys; ++i)
+ QVERIFY(QPixmapCache::find("x" + QString::number(i)) == 0);
+
+ for (int j = 0; j < numberOfKeys; ++j)
+ QPixmapCache::insert(QString::number(j), p1);
+
+ int num = 0;
+ for (int k = 0; k < numberOfKeys; ++k) {
+ if (QPixmapCache::find(QString::number(k), p1))
+ ++num;
+ }
+ QVERIFY(num > 0);
+
+ QPixmapCache::clear();
+
+ for (int k = 0; k < numberOfKeys; ++k)
+ QVERIFY(QPixmapCache::find(QString::number(k)) == 0);
+
+ //The int part of the API
+ QPixmap p2(10, 10);
+ p2.fill(Qt::red);
+
+ QList<QPixmapCache::Key> keys;
+ for (int k = 0; k < numberOfKeys; ++k)
+ keys.append(QPixmapCache::insert(p2));
+
+ QPixmapCache::clear();
+
+ for (int k = 0; k < numberOfKeys; ++k) {
+ QVERIFY(QPixmapCache::find(keys.at(k), &p1) == 0);
+ QCOMPARE(getPrivate(keys[k])->isValid, false);
+ }
+}
+
+void tst_QPixmapCache::pixmapKey()
+{
+ QPixmapCache::Key key;
+ //Default constructed keys have no d pointer unless
+ //we use them
+ QVERIFY(!getPrivate(key));
+ //Let's put a d pointer
+ QPixmapCache::KeyData** keyd = getPrivateRef(key);
+ *keyd = new QPixmapCache::KeyData;
+ QCOMPARE(getPrivate(key)->ref, 1);
+ QPixmapCache::Key key2;
+ //Let's put a d pointer
+ QPixmapCache::KeyData** key2d = getPrivateRef(key2);
+ *key2d = new QPixmapCache::KeyData;
+ QCOMPARE(getPrivate(key2)->ref, 1);
+ key = key2;
+ QCOMPARE(getPrivate(key2)->ref, 2);
+ QCOMPARE(getPrivate(key)->ref, 2);
+ QPixmapCache::Key key3;
+ //Let's put a d pointer
+ QPixmapCache::KeyData** key3d = getPrivateRef(key3);
+ *key3d = new QPixmapCache::KeyData;
+ QPixmapCache::Key key4 = key3;
+ QCOMPARE(getPrivate(key3)->ref, 2);
+ QCOMPARE(getPrivate(key4)->ref, 2);
+ key4 = key;
+ QCOMPARE(getPrivate(key4)->ref, 3);
+ QCOMPARE(getPrivate(key3)->ref, 1);
+ QPixmapCache::Key key5(key3);
+ QCOMPARE(getPrivate(key3)->ref, 2);
+ QCOMPARE(getPrivate(key5)->ref, 2);
+
+ //let test default constructed keys
+ QPixmapCache::Key key6;
+ QVERIFY(!getPrivate(key6));
+ QPixmapCache::Key key7;
+ QVERIFY(!getPrivate(key7));
+ key6 = key7;
+ QVERIFY(!getPrivate(key6));
+ QVERIFY(!getPrivate(key7));
+ QPixmapCache::Key key8(key7);
+ QVERIFY(!getPrivate(key8));
+}
+
+QTEST_MAIN(tst_QPixmapCache)
+#include "tst_qpixmapcache.moc"