Import relevant source from Qt 4.8

Change-Id: I5078db4081d95290c54f39d3c0efc2fc2f62e6a6

12 files changed, 420 insertions, 0 deletions

diff --git a/tests/auto/declarative/qdeclarativepixmapcache/data/exists.png b/tests/auto/declarative/qdeclarativepixmapcache/data/exists.png
new file mode 100644
index 00000000..399bd0b1
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativepixmapcache/data/exists.png
diff --git a/tests/auto/declarative/qdeclarativepixmapcache/data/exists1.png b/tests/auto/declarative/qdeclarativepixmapcache/data/exists1.png
new file mode 100644
index 00000000..399bd0b1
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativepixmapcache/data/exists1.png
diff --git a/tests/auto/declarative/qdeclarativepixmapcache/data/exists2.png b/tests/auto/declarative/qdeclarativepixmapcache/data/exists2.png
new file mode 100644
index 00000000..399bd0b1
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativepixmapcache/data/exists2.png
diff --git a/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists.png b/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists.png
new file mode 100644
index 00000000..399bd0b1
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists.png
diff --git a/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists1.png b/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists1.png
new file mode 100644
index 00000000..399bd0b1
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists1.png
diff --git a/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists2.png b/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists2.png
new file mode 100644
index 00000000..399bd0b1
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists2.png
diff --git a/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists3.png b/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists3.png
new file mode 100644
index 00000000..399bd0b1
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists3.png
diff --git a/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists4.png b/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists4.png
new file mode 100644
index 00000000..399bd0b1
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists4.png
diff --git a/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists5.png b/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists5.png
new file mode 100644
index 00000000..399bd0b1
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativepixmapcache/data/http/exists5.png
diff --git a/tests/auto/declarative/qdeclarativepixmapcache/data/massive.png b/tests/auto/declarative/qdeclarativepixmapcache/data/massive.png
new file mode 100644
index 00000000..bc6cc9e6
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativepixmapcache/data/massive.png
diff --git a/tests/auto/declarative/qdeclarativepixmapcache/qdeclarativepixmapcache.pro b/tests/auto/declarative/qdeclarativepixmapcache/qdeclarativepixmapcache.pro
new file mode 100644
index 00000000..88871e95
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativepixmapcache/qdeclarativepixmapcache.pro
@@ -0,0 +1,24 @@
+load(qttest_p4)
+contains(QT_CONFIG,declarative): QT += declarative
+QT += network
+macx:CONFIG -= app_bundle
+
+SOURCES += tst_qdeclarativepixmapcache.cpp
+
+INCLUDEPATH += ../shared/
+HEADERS += ../shared/testhttpserver.h
+SOURCES += ../shared/testhttpserver.cpp
+
+symbian: {
+    importFiles.files = data
+    importFiles.path = .
+    DEPLOYMENT += importFiles
+} else {
+    DEFINES += SRCDIR=\\\"$$PWD\\\"
+}
+
+# QMAKE_CXXFLAGS = -fprofile-arcs -ftest-coverage
+# LIBS += -lgcov
+
+CONFIG += parallel_test
+
diff --git a/tests/auto/declarative/qdeclarativepixmapcache/tst_qdeclarativepixmapcache.cpp b/tests/auto/declarative/qdeclarativepixmapcache/tst_qdeclarativepixmapcache.cpp
new file mode 100644
index 00000000..6609485f
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativepixmapcache/tst_qdeclarativepixmapcache.cpp
@@ -0,0 +1,396 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <qtest.h>
+#include <QtTest/QtTest>
+#include <private/qdeclarativepixmapcache_p.h>
+#include <QtDeclarative/qdeclarativeengine.h>
+#include <QtDeclarative/qdeclarativeimageprovider.h>
+#include <QNetworkReply>
+#include "testhttpserver.h"
+#include "../../../shared/util.h"
+
+#ifndef QT_NO_CONCURRENT
+#include <qtconcurrentrun.h>
+#include <qfuture.h>
+#endif
+
+// These don't let normal people run tests!
+//#include "../network-settings.h"
+
+#ifdef Q_OS_SYMBIAN
+// In Symbian OS test data is located in applications private dir
+#define SRCDIR "."
+#endif
+
+class tst_qdeclarativepixmapcache : public QObject
+{
+    Q_OBJECT
+public:
+    tst_qdeclarativepixmapcache() :
+        thisfile(QUrl::fromLocalFile(__FILE__)),
+        server(14452)
+    {
+        server.serveDirectory(SRCDIR "/data/http");
+    }
+
+private slots:
+    void single();
+    void single_data();
+    void parallel();
+    void parallel_data();
+    void massive();
+    void cancelcrash();
+    void shrinkcache();
+#ifndef QT_NO_CONCURRENT
+    void networkCrash();
+#endif
+private:
+    QDeclarativeEngine engine;
+    QUrl thisfile;
+    TestHTTPServer server;
+};
+
+
+static int slotters=0;
+
+class Slotter : public QObject
+{
+    Q_OBJECT
+public:
+    Slotter()
+    {
+        gotslot = false;
+        slotters++;
+    }
+    bool gotslot;
+
+public slots:
+    void got()
+    {
+        gotslot = true;
+        --slotters;
+        if (slotters==0)
+            QTestEventLoop::instance().exitLoop();
+    }
+};
+
+#ifndef QT_NO_LOCALFILE_OPTIMIZED_QML
+static const bool localfile_optimized = true;
+#else
+static const bool localfile_optimized = false;
+#endif
+
+void tst_qdeclarativepixmapcache::single_data()
+{
+    // Note, since QDeclarativePixmapCache is shared, tests affect each other!
+    // so use different files fore all test functions.
+
+    QTest::addColumn<QUrl>("target");
+    QTest::addColumn<bool>("incache");
+    QTest::addColumn<bool>("exists");
+    QTest::addColumn<bool>("neterror");
+
+    // File URLs are optimized
+    QTest::newRow("local") << thisfile.resolved(QUrl("data/exists.png")) << localfile_optimized << true << false;
+    QTest::newRow("local") << thisfile.resolved(QUrl("data/notexists.png")) << localfile_optimized << false << false;
+    QTest::newRow("remote") << QUrl("http://127.0.0.1:14452/exists.png") << false << true << false;
+    QTest::newRow("remote") << QUrl("http://127.0.0.1:14452/notexists.png") << false << false << true;
+}
+
+void tst_qdeclarativepixmapcache::single()
+{
+    QFETCH(QUrl, target);
+    QFETCH(bool, incache);
+    QFETCH(bool, exists);
+    QFETCH(bool, neterror);
+
+    QString expectedError;
+    if (neterror) {
+        expectedError = "Error downloading " + target.toString() + " - server replied: Not found";
+    } else if (!exists) {
+        expectedError = "Cannot open: " + target.toString();
+    }
+
+    QDeclarativePixmap pixmap;
+    QVERIFY(pixmap.width() <= 0); // Check Qt assumption
+
+    pixmap.load(&engine, target);
+
+    if (incache) {
+        QCOMPARE(pixmap.error(), expectedError);
+        if (exists) {
+            QVERIFY(pixmap.status() == QDeclarativePixmap::Ready);
+            QVERIFY(pixmap.width() > 0);
+        } else {
+            QVERIFY(pixmap.status() == QDeclarativePixmap::Error);
+            QVERIFY(pixmap.width() <= 0);
+        }
+    } else {
+        QVERIFY(pixmap.width() <= 0);
+
+        Slotter getter;
+        pixmap.connectFinished(&getter, SLOT(got()));
+        QTestEventLoop::instance().enterLoop(10);
+        QVERIFY(!QTestEventLoop::instance().timeout());
+        QVERIFY(getter.gotslot);
+        if (exists) {
+            QVERIFY(pixmap.status() == QDeclarativePixmap::Ready);
+            QVERIFY(pixmap.width() > 0);
+        } else {
+            QVERIFY(pixmap.status() == QDeclarativePixmap::Error);
+            QVERIFY(pixmap.width() <= 0);
+        }
+        QCOMPARE(pixmap.error(), expectedError);
+    }
+}
+
+void tst_qdeclarativepixmapcache::parallel_data()
+{
+    // Note, since QDeclarativePixmapCache is shared, tests affect each other!
+    // so use different files fore all test functions.
+
+    QTest::addColumn<QUrl>("target1");
+    QTest::addColumn<QUrl>("target2");
+    QTest::addColumn<int>("incache");
+    QTest::addColumn<int>("cancel"); // which one to cancel
+
+    QTest::newRow("local")
+            << thisfile.resolved(QUrl("data/exists1.png"))
+            << thisfile.resolved(QUrl("data/exists2.png"))
+            << (localfile_optimized ? 2 : 0)
+            << -1;
+
+    QTest::newRow("remote")
+            << QUrl("http://127.0.0.1:14452/exists2.png")
+            << QUrl("http://127.0.0.1:14452/exists3.png")
+            << 0
+            << -1;
+
+    QTest::newRow("remoteagain")
+            << QUrl("http://127.0.0.1:14452/exists2.png")
+            << QUrl("http://127.0.0.1:14452/exists3.png")
+            << 2
+            << -1;
+
+    QTest::newRow("remotecopy")
+            << QUrl("http://127.0.0.1:14452/exists4.png")
+            << QUrl("http://127.0.0.1:14452/exists4.png")
+            << 0
+            << -1;
+
+    QTest::newRow("remotecopycancel")
+            << QUrl("http://127.0.0.1:14452/exists5.png")
+            << QUrl("http://127.0.0.1:14452/exists5.png")
+            << 0
+            << 0;
+}
+
+void tst_qdeclarativepixmapcache::parallel()
+{
+    QFETCH(QUrl, target1);
+    QFETCH(QUrl, target2);
+    QFETCH(int, incache);
+    QFETCH(int, cancel);
+
+    QList<QUrl> targets;
+    targets << target1 << target2;
+
+    QList<QDeclarativePixmap *> pixmaps;
+    QList<bool> pending;
+    QList<Slotter*> getters;
+
+    for (int i=0; i<targets.count(); ++i) {
+        QUrl target = targets.at(i);
+        QDeclarativePixmap *pixmap = new QDeclarativePixmap;
+
+        pixmap->load(&engine, target);
+
+        QVERIFY(pixmap->status() != QDeclarativePixmap::Error);
+        pixmaps.append(pixmap);
+        if (pixmap->isReady()) {
+            QVERIFY(pixmap->width() >  0);
+            getters.append(0);
+            pending.append(false);
+        } else {
+            QVERIFY(pixmap->width() <= 0);
+            getters.append(new Slotter);
+            pixmap->connectFinished(getters[i], SLOT(got()));
+            pending.append(true);
+        }
+    }
+
+    QCOMPARE(incache+slotters, targets.count());
+
+    if (cancel >= 0) {
+        pixmaps.at(cancel)->clear(getters[cancel]);
+        slotters--;
+    }
+
+    if (slotters) {
+        QTestEventLoop::instance().enterLoop(10);
+        QVERIFY(!QTestEventLoop::instance().timeout());
+    }
+
+    for (int i=0; i<targets.count(); ++i) {
+        QDeclarativePixmap *pixmap = pixmaps[i];
+
+        if (i == cancel) {
+            QVERIFY(!getters[i]->gotslot);
+        } else {
+            if (pending[i]) 
+                QVERIFY(getters[i]->gotslot);
+
+            QVERIFY(pixmap->isReady());
+            QVERIFY(pixmap->width() > 0);
+            delete getters[i];
+        }
+    }
+
+    qDeleteAll(pixmaps);
+}
+
+void tst_qdeclarativepixmapcache::massive()
+{
+    QUrl url = thisfile.resolved(QUrl("data/massive.png"));
+
+    // Confirm that massive images remain in the cache while they are
+    // in use by the application.
+    {
+    qint64 cachekey = 0;
+    QDeclarativePixmap p(0, url);
+    QVERIFY(p.isReady());
+    QVERIFY(p.pixmap().size() == QSize(10000, 1000));
+    cachekey = p.pixmap().cacheKey();
+
+    QDeclarativePixmap p2(0, url);
+    QVERIFY(p2.isReady());
+    QVERIFY(p2.pixmap().size() == QSize(10000, 1000));
+
+    QVERIFY(p2.pixmap().cacheKey() == cachekey);
+    }
+
+    // Confirm that massive images are removed from the cache when
+    // they become unused
+    {
+    qint64 cachekey = 0;
+    {
+        QDeclarativePixmap p(0, url);
+        QVERIFY(p.isReady());
+        QVERIFY(p.pixmap().size() == QSize(10000, 1000));
+        cachekey = p.pixmap().cacheKey();
+    }
+
+    QDeclarativePixmap p2(0, url);
+    QVERIFY(p2.isReady());
+    QVERIFY(p2.pixmap().size() == QSize(10000, 1000));
+
+    QVERIFY(p2.pixmap().cacheKey() != cachekey);
+    }
+}
+
+// QTBUG-12729
+void tst_qdeclarativepixmapcache::cancelcrash()
+{
+    QUrl url("http://127.0.0.1:14452/cancelcrash_notexist.png");
+    for (int ii = 0; ii < 1000; ++ii) {
+        QDeclarativePixmap pix(&engine, url);
+    }
+}
+
+class MyPixmapProvider : public QDeclarativeImageProvider
+{
+public:
+    MyPixmapProvider()
+    : QDeclarativeImageProvider(Pixmap) {}
+
+    virtual QPixmap requestPixmap(const QString &d, QSize *, const QSize &) {
+        Q_UNUSED(d)
+        QPixmap pix(800, 600);
+        pix.fill(Qt::red);
+        return pix;
+    }
+};
+
+// QTBUG-13345
+void tst_qdeclarativepixmapcache::shrinkcache()
+{
+    QDeclarativeEngine engine;
+    engine.addImageProvider(QLatin1String("mypixmaps"), new MyPixmapProvider);
+
+    for (int ii = 0; ii < 4000; ++ii) {
+        QUrl url("image://mypixmaps/" + QString::number(ii));
+        QDeclarativePixmap p(&engine, url);
+    }
+}
+
+#ifndef QT_NO_CONCURRENT
+
+void createNetworkServer()
+{
+   QEventLoop eventLoop;
+   TestHTTPServer server(14453);
+   server.serveDirectory(SRCDIR "/data/http");
+   QTimer::singleShot(100, &eventLoop, SLOT(quit()));
+   eventLoop.exec();
+}
+
+#ifndef QT_NO_CONCURRENT
+// QT-3957
+void tst_qdeclarativepixmapcache::networkCrash()
+{
+    QFuture<void> future = QtConcurrent::run(createNetworkServer);
+    QDeclarativeEngine engine;
+    for (int ii = 0; ii < 100 ; ++ii) {
+        QDeclarativePixmap* pixmap = new QDeclarativePixmap;
+        pixmap->load(&engine,  QUrl(QString("http://127.0.0.1:14453/exists.png")));
+        QTest::qSleep(1);
+        pixmap->clear();
+        delete pixmap;
+    }
+    future.cancel();
+}
+#endif
+
+#endif
+
+QTEST_MAIN(tst_qdeclarativepixmapcache)
+
+#include "tst_qdeclarativepixmapcache.moc"