Unit tests for RenderBuffer

Change-Id: I68966daa5d4d4e103336d57945137b15655ebee1
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

3 files changed, 159 insertions, 1 deletions

diff --git a/tests/auto/render/render.pro b/tests/auto/render/render.pro
index f181663cd..7b6b3acd1 100644
--- a/tests/auto/render/render.pro
+++ b/tests/auto/render/render.pro
@@ -17,5 +17,6 @@ contains(QT_CONFIG, private_tests) {
         qattribute \
         qbuffer \
         qgeometry \
-        qgeometryrenderer
+        qgeometryrenderer \
+        renderbuffer
 }
diff --git a/tests/auto/render/renderbuffer/renderbuffer.pro b/tests/auto/render/renderbuffer/renderbuffer.pro
new file mode 100644
index 000000000..7e84da5e1
--- /dev/null
+++ b/tests/auto/render/renderbuffer/renderbuffer.pro
@@ -0,0 +1,9 @@
+TEMPLATE = app
+
+TARGET = tst_renderbuffer
+
+QT += 3dcore 3dcore-private 3drenderer 3drenderer-private testlib
+
+CONFIG += testcase
+
+SOURCES += tst_renderbuffer.cpp
diff --git a/tests/auto/render/renderbuffer/tst_renderbuffer.cpp b/tests/auto/render/renderbuffer/tst_renderbuffer.cpp
new file mode 100644
index 000000000..f951e8691
--- /dev/null
+++ b/tests/auto/render/renderbuffer/tst_renderbuffer.cpp
@@ -0,0 +1,148 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later 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 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QTest>
+#include <Qt3DRenderer/private/renderbuffer_p.h>
+#include <Qt3DCore/qscenepropertychange.h>
+
+class tst_RenderBuffer : public QObject
+{
+    Q_OBJECT
+private Q_SLOTS:
+
+    void checkPeerPropertyMirroring()
+    {
+        // GIVEN
+        Qt3D::Render::RenderBuffer renderBuffer;
+        Qt3D::QBuffer buffer(Qt3D::QBuffer::IndexBuffer);
+        buffer.setUsage(Qt3D::QBuffer::DynamicCopy);
+        buffer.setData(QByteArrayLiteral("Corvette"));
+
+        // WHEN
+        renderBuffer.setPeer(&buffer);
+
+        // THEN
+        QCOMPARE(renderBuffer.peerUuid(), buffer.id());
+        QCOMPARE(renderBuffer.isDirty(), true);
+        QCOMPARE(renderBuffer.type(), buffer.type());
+        QCOMPARE(renderBuffer.usage(), buffer.usage());
+        QCOMPARE(renderBuffer.data(), buffer.data());
+    }
+
+    void checkInitialAndCleanedUpState()
+    {
+        // GIVEN
+        Qt3D::Render::RenderBuffer renderBuffer;
+
+        // THEN
+        QCOMPARE(renderBuffer.isDirty(), false);
+        QCOMPARE(renderBuffer.type(), Qt3D::QBuffer::VertexBuffer);
+        QCOMPARE(renderBuffer.usage(), Qt3D::QBuffer::StaticDraw);
+        QVERIFY(renderBuffer.data().isEmpty());
+        QVERIFY(renderBuffer.peerUuid().isNull());
+
+        // GIVEN
+        Qt3D::QBuffer buffer(Qt3D::QBuffer::IndexBuffer);
+        buffer.setUsage(Qt3D::QBuffer::DynamicCopy);
+        buffer.setData(QByteArrayLiteral("C7"));
+
+        // WHEN
+        renderBuffer.updateFromPeer(&buffer);
+        renderBuffer.cleanup();
+
+        // THEN
+        QCOMPARE(renderBuffer.isDirty(), false);
+        QCOMPARE(renderBuffer.type(), Qt3D::QBuffer::VertexBuffer);
+        QCOMPARE(renderBuffer.usage(), Qt3D::QBuffer::StaticDraw);
+        QVERIFY(renderBuffer.data().isEmpty());
+    }
+
+    void checkPropertyChanges()
+    {
+        // GIVEN
+        Qt3D::Render::RenderBuffer renderBuffer;
+
+        // THEN
+        QVERIFY(renderBuffer.type() != Qt3D::QBuffer::IndexBuffer);
+        QVERIFY(renderBuffer.data().isEmpty());
+        QVERIFY(renderBuffer.usage() != Qt3D::QBuffer::DynamicRead);
+        QVERIFY(!renderBuffer.isDirty());
+
+        // WHEN
+        Qt3D::QScenePropertyChangePtr updateChange(new Qt3D::QScenePropertyChange(Qt3D::NodeUpdated, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setValue(static_cast<int>(Qt3D::QBuffer::IndexBuffer));
+        updateChange->setPropertyName("type");
+        renderBuffer.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderBuffer.type(), Qt3D::QBuffer::IndexBuffer);
+        QVERIFY(renderBuffer.isDirty());
+
+        renderBuffer.unsetDirty();
+        QVERIFY(!renderBuffer.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeUpdated, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setValue(static_cast<int>(Qt3D::QBuffer::DynamicRead));
+        updateChange->setPropertyName("usage");
+        renderBuffer.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderBuffer.usage(), Qt3D::QBuffer::DynamicRead);
+        QVERIFY(renderBuffer.isDirty());
+
+        renderBuffer.unsetDirty();
+        QVERIFY(!renderBuffer.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeUpdated, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setValue(QByteArrayLiteral("LS9"));
+        updateChange->setPropertyName("data");
+        renderBuffer.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderBuffer.data(), QByteArrayLiteral("LS9"));
+        QVERIFY(renderBuffer.isDirty());
+
+        renderBuffer.unsetDirty();
+        QVERIFY(!renderBuffer.isDirty());
+    }
+};
+
+
+QTEST_APPLESS_MAIN(tst_RenderBuffer)
+
+#include "tst_renderbuffer.moc"