summaryrefslogtreecommitdiffstats
path: root/tests/auto/qpixmapcache/tst_qpixmapcache.cpp
diff options
context:
space:
mode:
authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /tests/auto/qpixmapcache/tst_qpixmapcache.cpp
downloadQt-e5fcad302d86d316390c6b0f62759a067313e8a9.zip
Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.gz
Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.bz2
Long live Qt 4.5!
Diffstat (limited to 'tests/auto/qpixmapcache/tst_qpixmapcache.cpp')
-rw-r--r--tests/auto/qpixmapcache/tst_qpixmapcache.cpp220
1 files changed, 220 insertions, 0 deletions
diff --git a/tests/auto/qpixmapcache/tst_qpixmapcache.cpp b/tests/auto/qpixmapcache/tst_qpixmapcache.cpp
new file mode 100644
index 0000000..c163b52
--- /dev/null
+++ b/tests/auto/qpixmapcache/tst_qpixmapcache.cpp
@@ -0,0 +1,220 @@
+/****************************************************************************
+**
+** 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 <qpixmapcache.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 remove();
+ void clear();
+};
+
+
+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;
+}
+
+void tst_QPixmapCache::find()
+{
+ QPixmap p1(10, 10);
+ p1.fill(Qt::red);
+ 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);
+}
+
+void tst_QPixmapCache::insert()
+{
+ QPixmap p1(10, 10);
+ p1.fill(Qt::red);
+
+ QPixmap p2(10, 10);
+ p2.fill(Qt::yellow);
+
+ // make sure it doesn't explode
+ for (int i = 0; i < 20000; ++i)
+ QPixmapCache::insert("0", p1);
+
+ // ditto
+ for (int j = 0; j < 20000; ++j)
+ QPixmapCache::insert(QString::number(j), p1);
+
+ int num = 0;
+ for (int k = 0; k < 20000; ++k) {
+ if (QPixmapCache::find(QString::number(k)))
+ ++num;
+ }
+
+ int estimatedNum = (1024 * QPixmapCache::cacheLimit())
+ / ((p1.width() * p1.height() * p1.depth()) / 8);
+ QVERIFY(estimatedNum - 1 <= num <= estimatedNum + 1);
+ QPixmap p3;
+ QPixmapCache::insert("null", p3);
+}
+
+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);
+}
+
+void tst_QPixmapCache::clear()
+{
+ QPixmap p1(10, 10);
+ p1.fill(Qt::red);
+
+ for (int i = 0; i < 20000; ++i) {
+ QVERIFY(QPixmapCache::find("x" + QString::number(i)) == 0);
+ }
+ for (int j = 0; j < 20000; ++j) {
+ QPixmapCache::insert(QString::number(j), p1);
+ }
+
+ int num = 0;
+ for (int k = 0; k < 20000; ++k) {
+ if (QPixmapCache::find(QString::number(k), p1))
+ ++num;
+ }
+ QVERIFY(num > 0);
+
+ QPixmapCache::clear();
+
+ for (int k = 0; k < 20000; ++k) {
+ QVERIFY(QPixmapCache::find(QString::number(k)) == 0);
+ }
+}
+
+QTEST_MAIN(tst_QPixmapCache)
+#include "tst_qpixmapcache.moc"