Unit Tests for QBoundingVolumeDebug

Change-Id: I1c6de6bb78f1c8952e03f260ee3132f77d55bcdb
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
Reviewed-by: Andy Nichols <andy.nichols@theqtcompany.com>

3 files changed, 195 insertions, 1 deletions

diff --git a/tests/auto/render/qboundingvolumedebug/qboundingvolumedebug.pro b/tests/auto/render/qboundingvolumedebug/qboundingvolumedebug.pro
new file mode 100644
index 000000000..38c0d2db9
--- /dev/null
+++ b/tests/auto/render/qboundingvolumedebug/qboundingvolumedebug.pro
@@ -0,0 +1,11 @@
+TEMPLATE = app
+
+TARGET = tst_qboundingvolumedebug
+
+QT += core-private 3dcore 3dcore-private 3drender 3drender-private testlib
+
+CONFIG += testcase
+
+SOURCES += tst_qboundingvolumedebug.cpp
+
+include(../commons/commons.pri)
diff --git a/tests/auto/render/qboundingvolumedebug/tst_qboundingvolumedebug.cpp b/tests/auto/render/qboundingvolumedebug/tst_qboundingvolumedebug.cpp
new file mode 100644
index 000000000..14bfe09c8
--- /dev/null
+++ b/tests/auto/render/qboundingvolumedebug/tst_qboundingvolumedebug.cpp
@@ -0,0 +1,182 @@
+/****************************************************************************
+**
+** 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 <Qt3DCore/QEntity>
+#include <Qt3DCore/private/qnode_p.h>
+#include <Qt3DCore/private/qscene_p.h>
+#include <Qt3DCore/qbackendscenepropertychange.h>
+#include <Qt3DRender/QBoundingVolumeDebug>
+
+#include "testpostmanarbiter.h"
+
+class MyBoundingVolumeDebug : public Qt3DRender::QBoundingVolumeDebug
+{
+    Q_OBJECT
+public:
+    MyBoundingVolumeDebug(Qt3DCore::QNode *parent = Q_NULLPTR)
+        : Qt3DRender::QBoundingVolumeDebug(parent)
+    {}
+
+    void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &change) Q_DECL_FINAL
+    {
+        Qt3DRender::QBoundingVolumeDebug::sceneChangeEvent(change);
+    }
+
+private:
+    friend class tst_ObjectPicker;
+
+};
+
+// We need to call QNode::clone which is protected
+// So we sublcass QNode instead of QObject
+class tst_QBoundingVolumeDebug : public Qt3DCore::QNode
+{
+    Q_OBJECT
+public:
+    tst_QBoundingVolumeDebug()
+    {
+    }
+
+    ~tst_QBoundingVolumeDebug()
+    {
+        QNode::cleanup();
+    }
+
+private Q_SLOTS:
+
+    void checkCloning_data()
+    {
+        QTest::addColumn<Qt3DRender::QBoundingVolumeDebug *>("bvD");
+
+        Qt3DRender::QBoundingVolumeDebug *bvD = new Qt3DRender::QBoundingVolumeDebug();
+        QTest::newRow("empty bvd") << bvD;
+        bvD = new Qt3DRender::QBoundingVolumeDebug();
+        bvD->setRecursive(true);
+        QTest::newRow("recursive_bvd") << bvD;
+    }
+
+    void checkCloning()
+    {
+        // GIVEN
+        QFETCH(Qt3DRender::QBoundingVolumeDebug *, bvD);
+
+        // WHEN
+        Qt3DRender::QBoundingVolumeDebug *clone = static_cast<Qt3DRender::QBoundingVolumeDebug *>(QNode::clone(bvD));
+        QCoreApplication::processEvents();
+
+        // THEN
+        QVERIFY(clone != Q_NULLPTR);
+        QCOMPARE(bvD->id(), clone->id());
+        QCOMPARE(bvD->recursive(), clone->recursive());
+    }
+
+    void checkPropertyUpdates()
+    {
+        // GIVEN
+        QScopedPointer<Qt3DRender::QBoundingVolumeDebug> bvD(new Qt3DRender::QBoundingVolumeDebug());
+        TestArbiter arbiter(bvD.data());
+
+        // WHEN
+        bvD->setRecursive(true);
+        QCoreApplication::processEvents();
+
+        // THEN
+        QCOMPARE(arbiter.events.size(), 1);
+        Qt3DCore::QScenePropertyChangePtr change = arbiter.events.last().staticCast<Qt3DCore::QScenePropertyChange>();
+        QCOMPARE(change->propertyName(), "recursive");
+        QCOMPARE(change->value().toBool(), true);
+        QCOMPARE(change->type(), Qt3DCore::NodeUpdated);
+
+        arbiter.events.clear();
+
+        // WHEN
+        bvD->setRecursive(true);
+        QCoreApplication::processEvents();
+
+        // THEN
+        QCOMPARE(arbiter.events.size(), 0);
+
+        // WHEN
+        bvD->setRecursive(false);
+        QCoreApplication::processEvents();
+
+        // THEN
+        QCOMPARE(arbiter.events.size(), 1);
+        change = arbiter.events.last().staticCast<Qt3DCore::QScenePropertyChange>();
+        QCOMPARE(change->propertyName(), "recursive");
+        QCOMPARE(change->value().toBool(), false);
+        QCOMPARE(change->type(), Qt3DCore::NodeUpdated);
+
+        arbiter.events.clear();
+    }
+
+    void checkBackendUpdates()
+    {
+        // GIVEN
+        QScopedPointer<Qt3DCore::QEntity> entity(new Qt3DCore::QEntity());
+        MyBoundingVolumeDebug *bvD(new MyBoundingVolumeDebug(entity.data()));
+        entity->addComponent(bvD);
+
+        // THEN
+        QCoreApplication::processEvents();
+        QCOMPARE(entity->children().count(), 1);
+        QCOMPARE(bvD->children().count(), 0);
+
+        // WHEN
+        // Create Backend Change and distribute it to frontend node
+        Qt3DCore::QBackendScenePropertyChangePtr e(new Qt3DCore::QBackendScenePropertyChange(Qt3DCore::NodeUpdated, bvD->id()));
+        e->setPropertyName("center");
+        bvD->sceneChangeEvent(e);
+        QCoreApplication::processEvents();
+
+        // THEN
+        QCOMPARE(entity->children().count(), 2);
+        QCOMPARE(bvD->children().count(), 0);
+    }
+
+
+protected:
+    Qt3DCore::QNode *doClone() const Q_DECL_OVERRIDE
+    {
+        return Q_NULLPTR;
+    }
+
+};
+
+QTEST_MAIN(tst_QBoundingVolumeDebug)
+
+#include "tst_qboundingvolumedebug.moc"
diff --git a/tests/auto/render/render.pro b/tests/auto/render/render.pro
index 2610dceb1..94478d7f0 100644
--- a/tests/auto/render/render.pro
+++ b/tests/auto/render/render.pro
@@ -37,5 +37,6 @@ contains(QT_CONFIG, private_tests) {
         framegraphnode \
         qobjectpicker \
         objectpicker \
-        picking
+        picking \
+        qboundingvolumedebug
 }