Add tests for QQuickPaintedItem.

Change-Id: If7645cc417b862d4d47da56e67035488fa83ede7
Reviewed-by: Damian Jansen <damian.jansen@nokia.com>

2 files changed, 500 insertions, 0 deletions

diff --git a/tests/auto/quick/qquickpainteditem/qquickpainteditem.pro b/tests/auto/quick/qquickpainteditem/qquickpainteditem.pro
new file mode 100644
index 0000000000..74598cb460
--- /dev/null
+++ b/tests/auto/quick/qquickpainteditem/qquickpainteditem.pro
@@ -0,0 +1,9 @@
+TARGET = tst_qquickpainteditem
+CONFIG += testcase
+macx:CONFIG -= app_bundle
+
+SOURCES += tst_qquickpainteditem.cpp
+
+CONFIG += parallel_test
+
+QT += core-private gui-private qml-private quick-private v8-private network testlib
diff --git a/tests/auto/quick/qquickpainteditem/tst_qquickpainteditem.cpp b/tests/auto/quick/qquickpainteditem/tst_qquickpainteditem.cpp
new file mode 100644
index 0000000000..8ba27898df
--- /dev/null
+++ b/tests/auto/quick/qquickpainteditem/tst_qquickpainteditem.cpp
@@ -0,0 +1,491 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** 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 <QtTest/QtTest>
+#include <QtTest/QSignalSpy>
+#include <QtQuick/qquickpainteditem.h>
+#include <QtQuick/qquickview.h>
+
+#include <private/qquickitem_p.h>
+#include <private/qsgpainternode_p.h>
+
+class tst_QQuickPaintedItem: public QObject
+{
+    Q_OBJECT
+private slots:
+    void initTestCase();
+    void update();
+    void opaquePainting();
+    void antialiasing();
+    void mipmap();
+    void performanceHints();
+    void contentsSize();
+    void contentScale();
+    void contentsBoundingRect();
+    void fillColor();
+    void renderTarget();
+
+private:
+    QQuickWindow window;
+};
+
+class TestPaintedItem : public QQuickPaintedItem
+{
+    Q_OBJECT
+public:
+    TestPaintedItem(QQuickItem *parent = 0)
+        : QQuickPaintedItem(parent)
+        , paintNode(0)
+        , paintRequests(0)
+    {
+    }
+
+    void paint(QPainter *painter)
+    {
+        ++paintRequests;
+        clipRect = painter->clipBoundingRect();
+    }
+
+    QSGNode *updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *data)
+    {
+        paintNode = static_cast<QSGPainterNode *>(QQuickPaintedItem::updatePaintNode(oldNode, data));
+        return paintNode;
+    }
+
+    QSGPainterNode *paintNode;
+    int paintRequests;
+    QRectF clipRect;
+};
+
+static bool hasDirtyContentFlag(QQuickItem *item) {
+    return QQuickItemPrivate::get(item)->dirtyAttributes & QQuickItemPrivate::Content; }
+static void clearDirtyContentFlag(QQuickItem *item) {
+    QQuickItemPrivate::get(item)->dirtyAttributes &= ~QQuickItemPrivate::Content; }
+
+void tst_QQuickPaintedItem::initTestCase()
+{
+    window.resize(320, 240);
+    window.show();
+    QTest::qWaitForWindowShown(&window);
+}
+
+void tst_QQuickPaintedItem::update()
+{
+    TestPaintedItem item;
+    item.setParentItem(window.rootItem());
+
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+    item.update();
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QCOMPARE(item.paintRequests, 0);    // Size empty
+
+    item.setSize(QSizeF(320, 240));
+
+    item.update();
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QCOMPARE(item.paintRequests, 1);
+    QCOMPARE(item.clipRect, QRectF(0, 0, 0, 0));
+
+    item.update(QRect(30, 25, 12, 11));
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QCOMPARE(item.paintRequests, 2);
+    QCOMPARE(item.clipRect, QRectF(30, 25, 12, 11));
+
+    item.update(QRect(30, 25, 12, 11));
+    item.update(QRect(112, 56, 20, 20));
+
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QCOMPARE(item.paintRequests, 3);
+    QCOMPARE(item.clipRect, QRectF(30, 25, 102, 51));
+}
+
+void tst_QQuickPaintedItem::opaquePainting()
+{
+    TestPaintedItem item;
+    item.setSize(QSizeF(320, 240));
+    item.setParentItem(window.rootItem());
+
+    QCOMPARE(item.opaquePainting(), false);
+
+    item.setOpaquePainting(false);
+    QCOMPARE(item.opaquePainting(), false);
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+
+    item.update();
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->opaquePainting(), false);
+
+    item.setOpaquePainting(true);
+    QCOMPARE(item.opaquePainting(), true);
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->opaquePainting(), true);
+
+    item.setOpaquePainting(true);
+    QCOMPARE(item.opaquePainting(), true);
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+
+    item.setOpaquePainting(false);
+    QCOMPARE(item.opaquePainting(), false);
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->opaquePainting(), false);
+}
+
+void tst_QQuickPaintedItem::antialiasing()
+{
+    TestPaintedItem item;
+    item.setSize(QSizeF(320, 240));
+    item.setParentItem(window.rootItem());
+
+    QCOMPARE(item.antialiasing(), false);
+
+    item.setAntialiasing(false);
+    QCOMPARE(item.antialiasing(), false);
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+
+    item.update();
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->smoothPainting(), false);
+
+    item.setAntialiasing(true);
+    QCOMPARE(item.antialiasing(), true);
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->smoothPainting(), true);
+
+    item.setAntialiasing(true);
+    QCOMPARE(item.antialiasing(), true);
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+
+    item.setAntialiasing(false);
+    QCOMPARE(item.antialiasing(), false);
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->smoothPainting(), false);
+}
+
+void tst_QQuickPaintedItem::mipmap()
+{
+    TestPaintedItem item;
+    item.setSize(QSizeF(320, 240));
+    item.setParentItem(window.rootItem());
+
+    QCOMPARE(item.mipmap(), false);
+
+    item.setMipmap(false);
+    QCOMPARE(item.mipmap(), false);
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+
+    item.update();
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->mipmapping(), false);
+
+    item.setMipmap(true);
+    QCOMPARE(item.mipmap(), true);
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->mipmapping(), true);
+
+    item.setMipmap(true);
+    QCOMPARE(item.mipmap(), true);
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+
+    item.setMipmap(false);
+    QCOMPARE(item.mipmap(), false);
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->mipmapping(), false);
+}
+
+void tst_QQuickPaintedItem::performanceHints()
+{
+    TestPaintedItem item;
+    item.setSize(QSizeF(320, 240));
+    item.setParentItem(window.rootItem());
+
+    QCOMPARE(item.performanceHints(), QQuickPaintedItem::PerformanceHints());
+
+    item.setPerformanceHints(QQuickPaintedItem::PerformanceHints());
+    QCOMPARE(item.performanceHints(), QQuickPaintedItem::PerformanceHints());
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+
+    item.update();
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->fastFBOResizing(), false);
+
+    item.setPerformanceHints(QQuickPaintedItem::PerformanceHints(QQuickPaintedItem::FastFBOResizing));
+    QCOMPARE(item.performanceHints(), QQuickPaintedItem::PerformanceHints(QQuickPaintedItem::FastFBOResizing));
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->fastFBOResizing(), true);
+
+    item.setPerformanceHint(QQuickPaintedItem::FastFBOResizing, true);
+    QCOMPARE(item.performanceHints(), QQuickPaintedItem::PerformanceHints(QQuickPaintedItem::FastFBOResizing));
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+
+    item.setPerformanceHint(QQuickPaintedItem::FastFBOResizing, false);
+    QCOMPARE(item.performanceHints(), QQuickPaintedItem::PerformanceHints());
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->fastFBOResizing(), false);
+}
+
+void tst_QQuickPaintedItem::contentsSize()
+{
+    TestPaintedItem item;
+
+    QSignalSpy spy(&item, SIGNAL(contentsSizeChanged()));
+
+    QCOMPARE(item.contentsSize(), QSize());
+
+    item.setContentsSize(QSize());
+    QCOMPARE(item.contentsSize(), QSize());
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+    QCOMPARE(spy.count(), 0);
+
+    item.setContentsSize(QSize(320, 240));
+    QCOMPARE(item.contentsSize(), QSize(320, 240));
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+    QCOMPARE(spy.count(), 1);
+
+    clearDirtyContentFlag(&item);
+
+    item.setContentsSize(QSize(320, 240));
+    QCOMPARE(item.contentsSize(), QSize(320, 240));
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+    QCOMPARE(spy.count(), 1);
+
+    item.resetContentsSize();
+    QCOMPARE(item.contentsSize(), QSize());
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+    QCOMPARE(spy.count(), 2);
+}
+
+void tst_QQuickPaintedItem::contentScale()
+{
+    TestPaintedItem item;
+    item.setSize(QSizeF(320, 240));
+    item.setParentItem(window.rootItem());
+
+    QSignalSpy spy(&item, SIGNAL(contentsScaleChanged()));
+
+    QCOMPARE(item.contentsScale(), 1.);
+
+    item.setContentsScale(1.);
+    QCOMPARE(item.contentsScale(), 1.);
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+    QCOMPARE(spy.count(), 0);
+
+    item.update();
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->contentsScale(), 1.0);
+
+    item.setContentsScale(0.4);
+    QCOMPARE(item.contentsScale(), 0.4);
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+    QCOMPARE(spy.count(), 1);
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->contentsScale(), 0.4);
+
+    item.setContentsScale(0.4);
+    QCOMPARE(item.contentsScale(), 0.4);
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+    QCOMPARE(spy.count(), 1);
+
+    item.setContentsScale(2.5);
+    QCOMPARE(item.contentsScale(), 2.5);
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+    QCOMPARE(spy.count(), 2);
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->contentsScale(), 2.5);
+}
+
+void tst_QQuickPaintedItem::contentsBoundingRect()
+{
+    TestPaintedItem item;
+    item.setSize(QSizeF(320, 240));
+    item.setParentItem(window.rootItem());
+
+    QCOMPARE(item.contentsBoundingRect(), QRectF(0, 0, 320, 240));
+
+    item.setContentsSize(QSize(500, 500));
+    QCOMPARE(item.contentsBoundingRect(), QRectF(0, 0, 500, 500));
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->size(), QSize(500, 500));
+
+    item.setContentsScale(0.5);
+    QCOMPARE(item.contentsBoundingRect(), QRectF(0, 0, 320, 250));
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->size(), QSize(320, 250));
+
+    item.setContentsSize(QSize(150, 150));
+    QCOMPARE(item.contentsBoundingRect(), QRectF(0, 0, 320, 240));
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->size(), QSize(320, 240));
+
+    item.setContentsScale(2.0);
+    QCOMPARE(item.contentsBoundingRect(), QRectF(0, 0, 320, 300));
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->size(), QSize(320, 300));
+
+}
+
+void tst_QQuickPaintedItem::fillColor()
+{
+    TestPaintedItem item;
+    item.setSize(QSizeF(320, 240));
+    item.setParentItem(window.rootItem());
+
+    QSignalSpy spy(&item, SIGNAL(fillColorChanged()));
+
+    QCOMPARE(item.fillColor(), QColor(Qt::transparent));
+
+    item.setFillColor(QColor(Qt::transparent));
+    QCOMPARE(item.fillColor(), QColor(Qt::transparent));
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+    QCOMPARE(spy.count(), 0);
+
+    item.update();
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->fillColor(), QColor(Qt::transparent));
+
+    item.setFillColor(QColor(Qt::green));
+    QCOMPARE(item.fillColor(), QColor(Qt::green));
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+    QCOMPARE(spy.count(), 1);
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->fillColor(), QColor(Qt::green));
+
+    item.setFillColor(QColor(Qt::green));
+    QCOMPARE(item.fillColor(), QColor(Qt::green));
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+    QCOMPARE(spy.count(), 1);
+
+    item.setFillColor(QColor(Qt::blue));
+    QCOMPARE(item.fillColor(), QColor(Qt::blue));
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+    QCOMPARE(spy.count(), 2);
+
+    QTRY_COMPARE(hasDirtyContentFlag(&item), false);
+    QVERIFY(item.paintNode);
+    QCOMPARE(item.paintNode->fillColor(), QColor(Qt::blue));
+
+}
+
+void tst_QQuickPaintedItem::renderTarget()
+{
+    TestPaintedItem item;
+
+    QSignalSpy spy(&item, SIGNAL(renderTargetChanged()));
+
+    QCOMPARE(item.renderTarget(), QQuickPaintedItem::Image);
+
+    item.setRenderTarget(QQuickPaintedItem::Image);
+    QCOMPARE(item.renderTarget(), QQuickPaintedItem::Image);
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+    QCOMPARE(spy.count(), 0);
+
+    item.setRenderTarget(QQuickPaintedItem::FramebufferObject);
+    QCOMPARE(item.renderTarget(), QQuickPaintedItem::FramebufferObject);
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+    QCOMPARE(spy.count(), 1);
+
+    clearDirtyContentFlag(&item);
+
+    item.setRenderTarget(QQuickPaintedItem::FramebufferObject);
+    QCOMPARE(item.renderTarget(), QQuickPaintedItem::FramebufferObject);
+    QCOMPARE(hasDirtyContentFlag(&item), false);
+    QCOMPARE(spy.count(), 1);
+
+    item.setRenderTarget(QQuickPaintedItem::InvertedYFramebufferObject);
+    QCOMPARE(item.renderTarget(), QQuickPaintedItem::InvertedYFramebufferObject);
+    QCOMPARE(hasDirtyContentFlag(&item), true);
+    QCOMPARE(spy.count(), 2);
+}
+
+QTEST_MAIN(tst_QQuickPaintedItem)
+
+#include "tst_qquickpainteditem.moc"