Unit tests for RenderAttribute

Change-Id: I42de9da48c9f29a30e20e8be61114e2c7d824855
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

3 files changed, 271 insertions, 1 deletions

diff --git a/tests/auto/render/render.pro b/tests/auto/render/render.pro
index 7b6b3acd1..89e21e688 100644
--- a/tests/auto/render/render.pro
+++ b/tests/auto/render/render.pro
@@ -18,5 +18,6 @@ contains(QT_CONFIG, private_tests) {
         qbuffer \
         qgeometry \
         qgeometryrenderer \
-        renderbuffer
+        renderbuffer \
+        renderattribute
 }
diff --git a/tests/auto/render/renderattribute/renderattribute.pro b/tests/auto/render/renderattribute/renderattribute.pro
new file mode 100644
index 000000000..b4268f98f
--- /dev/null
+++ b/tests/auto/render/renderattribute/renderattribute.pro
@@ -0,0 +1,9 @@
+TEMPLATE = app
+
+TARGET = tst_renderattribute
+
+QT += 3dcore 3dcore-private 3drenderer 3drenderer-private testlib
+
+CONFIG += testcase
+
+SOURCES += tst_renderattribute.cpp
diff --git a/tests/auto/render/renderattribute/tst_renderattribute.cpp b/tests/auto/render/renderattribute/tst_renderattribute.cpp
new file mode 100644
index 000000000..6589d0b61
--- /dev/null
+++ b/tests/auto/render/renderattribute/tst_renderattribute.cpp
@@ -0,0 +1,260 @@
+/****************************************************************************
+**
+** 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/renderattribute_p.h>
+#include <Qt3DRenderer/qbuffer.h>
+#include <Qt3DCore/qscenepropertychange.h>
+
+class tst_RenderAttribute : public QObject
+{
+    Q_OBJECT
+private Q_SLOTS:
+
+    void checkPeerPropertyMirroring()
+    {
+        // GIVEN
+        Qt3D::Render::RenderAttribute renderAttribute;
+
+        Qt3D::QAttribute attribute;
+        attribute.setAttributeType(Qt3D::QAttribute::IndexAttribute);
+        attribute.setByteOffset(1200);
+        attribute.setByteStride(883);
+        attribute.setCount(427);
+        attribute.setDivisor(305);
+        attribute.setName(QStringLiteral("C3"));
+        attribute.setType(GL_FLOAT_VEC4);
+
+        Qt3D::QBuffer buffer(Qt3D::QBuffer::IndexBuffer);
+        buffer.setUsage(Qt3D::QBuffer::DynamicCopy);
+        buffer.setData(QByteArrayLiteral("Corvette"));
+        attribute.setBuffer(&buffer);
+
+        // WHEN
+        renderAttribute.setPeer(&attribute);
+
+        // THEN
+        QCOMPARE(renderAttribute.peerUuid(), attribute.id());
+        QCOMPARE(renderAttribute.isDirty(), true);
+        QCOMPARE(renderAttribute.type(), attribute.type());
+        QCOMPARE(renderAttribute.attributeType(), attribute.attributeType());
+        QCOMPARE(renderAttribute.byteOffset(), attribute.byteOffset());
+        QCOMPARE(renderAttribute.byteStride(), attribute.byteStride());
+        QCOMPARE(renderAttribute.count(), attribute.count());
+        QCOMPARE(renderAttribute.divisor(), attribute.divisor());
+        QCOMPARE(renderAttribute.name(), attribute.name());
+        QCOMPARE(renderAttribute.bufferId(), buffer.id());
+    }
+
+    void checkInitialAndCleanedUpState()
+    {
+        // GIVEN
+        Qt3D::Render::RenderAttribute renderAttribute;
+
+        // THEN
+        QVERIFY(renderAttribute.peerUuid().isNull());
+        QVERIFY(renderAttribute.bufferId().isNull());
+        QVERIFY(renderAttribute.name().isEmpty());
+        QCOMPARE(renderAttribute.isDirty(), false);
+        QCOMPARE(renderAttribute.type(), 0);
+        QCOMPARE(renderAttribute.attributeType(), Qt3D::QAttribute::VertexAttribute);
+        QCOMPARE(renderAttribute.byteOffset(), 0U);
+        QCOMPARE(renderAttribute.byteStride(), 0U);
+        QCOMPARE(renderAttribute.count(), 0U);
+        QCOMPARE(renderAttribute.divisor(), 0U);
+
+        // GIVEN
+        Qt3D::QAttribute attribute;
+        attribute.setAttributeType(Qt3D::QAttribute::IndexAttribute);
+        attribute.setByteOffset(1200);
+        attribute.setByteStride(883);
+        attribute.setCount(427);
+        attribute.setDivisor(305);
+        attribute.setName(QStringLiteral("C3"));
+        attribute.setType(GL_FLOAT_VEC4);
+        Qt3D::QBuffer buffer(Qt3D::QBuffer::IndexBuffer);
+        buffer.setUsage(Qt3D::QBuffer::DynamicCopy);
+        buffer.setData(QByteArrayLiteral("C7"));
+        attribute.setBuffer(&buffer);
+
+        // WHEN
+        renderAttribute.updateFromPeer(&attribute);
+        renderAttribute.cleanup();
+
+        // THEN
+        QVERIFY(renderAttribute.peerUuid().isNull());
+        QVERIFY(renderAttribute.bufferId().isNull());
+        QVERIFY(renderAttribute.name().isEmpty());
+        QCOMPARE(renderAttribute.isDirty(), false);
+        QCOMPARE(renderAttribute.type(), 0);
+        QCOMPARE(renderAttribute.attributeType(), Qt3D::QAttribute::VertexAttribute);
+        QCOMPARE(renderAttribute.byteOffset(), 0U);
+        QCOMPARE(renderAttribute.byteStride(), 0U);
+        QCOMPARE(renderAttribute.count(), 0U);
+        QCOMPARE(renderAttribute.divisor(), 0U);
+    }
+
+    void checkPropertyChanges()
+    {
+        // GIVEN
+        Qt3D::Render::RenderAttribute renderAttribute;
+
+        QVERIFY(!renderAttribute.isDirty());
+
+        // WHEN
+        Qt3D::QScenePropertyChangePtr updateChange(new Qt3D::QScenePropertyChange(Qt3D::NodeUpdated, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setValue(GL_FLOAT_VEC2);
+        updateChange->setPropertyName("type");
+        renderAttribute.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderAttribute.type(), GL_FLOAT_VEC2);
+        QVERIFY(renderAttribute.isDirty());
+
+        renderAttribute.unsetDirty();
+        QVERIFY(!renderAttribute.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeUpdated, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setValue(static_cast<int>(Qt3D::QAttribute::IndexAttribute));
+        updateChange->setPropertyName("attributeType");
+        renderAttribute.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderAttribute.attributeType(), Qt3D::QAttribute::IndexAttribute);
+        QVERIFY(renderAttribute.isDirty());
+
+        renderAttribute.unsetDirty();
+        QVERIFY(!renderAttribute.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeUpdated, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setValue(1340);
+        updateChange->setPropertyName("count");
+        renderAttribute.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderAttribute.count(), 1340U);
+        QVERIFY(renderAttribute.isDirty());
+
+        renderAttribute.unsetDirty();
+        QVERIFY(!renderAttribute.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeUpdated, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setValue(QStringLiteral("L88"));
+        updateChange->setPropertyName("name");
+        renderAttribute.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderAttribute.name(), QStringLiteral("L88"));
+        QVERIFY(renderAttribute.isDirty());
+
+        renderAttribute.unsetDirty();
+        QVERIFY(!renderAttribute.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeUpdated, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setValue(555);
+        updateChange->setPropertyName("byteOffset");
+        renderAttribute.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderAttribute.byteOffset(), 555U);
+        QVERIFY(renderAttribute.isDirty());
+
+        renderAttribute.unsetDirty();
+        QVERIFY(!renderAttribute.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeUpdated, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setValue(454);
+        updateChange->setPropertyName("byteStride");
+        renderAttribute.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderAttribute.byteStride(), 454U);
+        QVERIFY(renderAttribute.isDirty());
+
+        renderAttribute.unsetDirty();
+        QVERIFY(!renderAttribute.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeUpdated, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setValue(1450);
+        updateChange->setPropertyName("divisor");
+        renderAttribute.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderAttribute.divisor(), 1450U);
+        QVERIFY(renderAttribute.isDirty());
+
+        renderAttribute.unsetDirty();
+        QVERIFY(!renderAttribute.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeAdded, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        Qt3D::QNodeId bufferId = Qt3D::QNodeId::createId();
+        updateChange->setValue(QVariant::fromValue(bufferId));
+        updateChange->setPropertyName("buffer");
+        renderAttribute.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderAttribute.bufferId(), bufferId);
+        QVERIFY(renderAttribute.isDirty());
+
+        renderAttribute.unsetDirty();
+        QVERIFY(!renderAttribute.isDirty());
+
+        // WHEN
+        updateChange.reset(new Qt3D::QScenePropertyChange(Qt3D::NodeRemoved, Qt3D::QSceneChange::Node, Qt3D::QNodeId()));
+        updateChange->setValue(QVariant::fromValue(bufferId));
+        updateChange->setPropertyName("buffer");
+        renderAttribute.sceneChangeEvent(updateChange);
+
+        // THEN
+        QCOMPARE(renderAttribute.bufferId(), Qt3D::QNodeId());
+        QVERIFY(renderAttribute.isDirty());
+
+        renderAttribute.unsetDirty();
+        QVERIFY(!renderAttribute.isDirty());
+    }
+};
+
+
+QTEST_APPLESS_MAIN(tst_RenderAttribute)
+
+#include "tst_renderattribute.moc"