Add ClipBlendValue backend node and test

Task-number: QTBUG-58901
Change-Id: Ifa18b6bae2f8db802e6561d23a19435c32fe7559
Reviewed-by: Mike Krus <mike.krus@kdab.com>

3 files changed, 129 insertions, 1 deletions

diff --git a/tests/auto/animation/animation.pro b/tests/auto/animation/animation.pro
index e4913986a..536fb2f21 100644
--- a/tests/auto/animation/animation.pro
+++ b/tests/auto/animation/animation.pro
@@ -26,5 +26,6 @@ qtConfig(private_tests) {
         lerpclipblend \
         clipblendnodevisitor \
         qadditiveclipblend \
-        additiveclipblend
+        additiveclipblend \
+        clipblendvalue
 }
diff --git a/tests/auto/animation/clipblendvalue/clipblendvalue.pro b/tests/auto/animation/clipblendvalue/clipblendvalue.pro
new file mode 100644
index 000000000..ff50f0bbd
--- /dev/null
+++ b/tests/auto/animation/clipblendvalue/clipblendvalue.pro
@@ -0,0 +1,12 @@
+TEMPLATE = app
+
+TARGET = tst_clipblendvalue
+
+QT += 3dcore 3dcore-private 3danimation 3danimation-private testlib
+
+CONFIG += testcase
+
+SOURCES += \
+    tst_clipblendvalue.cpp
+
+include(../../core/common/common.pri)
diff --git a/tests/auto/animation/clipblendvalue/tst_clipblendvalue.cpp b/tests/auto/animation/clipblendvalue/tst_clipblendvalue.cpp
new file mode 100644
index 000000000..5bed23704
--- /dev/null
+++ b/tests/auto/animation/clipblendvalue/tst_clipblendvalue.cpp
@@ -0,0 +1,115 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 Paul Lemire <paul.lemire350@gmail.com>
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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 https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QTest>
+#include <Qt3DAnimation/qclipblendvalue.h>
+#include <Qt3DAnimation/qanimationcliploader.h>
+#include <Qt3DAnimation/private/qclipblendvalue_p.h>
+#include <Qt3DAnimation/private/clipblendvalue_p.h>
+#include <Qt3DCore/qpropertyupdatedchange.h>
+#include "qbackendnodetester.h"
+
+class tst_ClipBlendValue : public Qt3DCore::QBackendNodeTester
+{
+    Q_OBJECT
+
+private Q_SLOTS:
+    void checkInitialState()
+    {
+        // GIVEN
+        Qt3DAnimation::Animation::ClipBlendValue backendClipBlendValue;
+
+        // THEN
+        QCOMPARE(backendClipBlendValue.isEnabled(), false);
+        QVERIFY(backendClipBlendValue.peerId().isNull());
+        QCOMPARE(backendClipBlendValue.clipId(), Qt3DCore::QNodeId());
+        QCOMPARE(backendClipBlendValue.blendType(), Qt3DAnimation::Animation::ClipBlendNode::ValueType);
+    }
+
+    void checkInitializeFromPeer()
+    {
+        // GIVEN
+        Qt3DAnimation::QClipBlendValue clipBlendValue;
+        Qt3DAnimation::QAnimationClipLoader clip;
+        clipBlendValue.setClip(&clip);
+
+        {
+            // WHEN
+            Qt3DAnimation::Animation::ClipBlendValue backendClipBlendValue;
+            simulateInitialization(&clipBlendValue, &backendClipBlendValue);
+
+            // THEN
+            QCOMPARE(backendClipBlendValue.isEnabled(), true);
+            QCOMPARE(backendClipBlendValue.peerId(), clipBlendValue.id());
+            QCOMPARE(backendClipBlendValue.clipId(), clip.id());
+        }
+        {
+            // WHEN
+            Qt3DAnimation::Animation::ClipBlendValue backendClipBlendValue;
+            clipBlendValue.setEnabled(false);
+            simulateInitialization(&clipBlendValue, &backendClipBlendValue);
+
+            // THEN
+            QCOMPARE(backendClipBlendValue.peerId(), clipBlendValue.id());
+            QCOMPARE(backendClipBlendValue.isEnabled(), false);
+        }
+    }
+
+    void checkSceneChangeEvents()
+    {
+        // GIVEN
+        Qt3DAnimation::Animation::ClipBlendValue backendClipBlendValue;
+        {
+            // WHEN
+            const bool newValue = false;
+            const auto change = Qt3DCore::QPropertyUpdatedChangePtr::create(Qt3DCore::QNodeId());
+            change->setPropertyName("enabled");
+            change->setValue(newValue);
+            backendClipBlendValue.sceneChangeEvent(change);
+
+            // THEN
+            QCOMPARE(backendClipBlendValue.isEnabled(), newValue);
+        }
+        {
+            // WHEN
+            const Qt3DAnimation::QAnimationClipLoader newValue;
+            const auto change = Qt3DCore::QPropertyUpdatedChangePtr::create(Qt3DCore::QNodeId());
+            change->setPropertyName("clip");
+            change->setValue(QVariant::fromValue(newValue.id()));
+            backendClipBlendValue.sceneChangeEvent(change);
+
+            // THEN
+            QCOMPARE(backendClipBlendValue.clipId(), newValue.id());
+        }
+    }
+};
+
+QTEST_MAIN(tst_ClipBlendValue)
+
+#include "tst_clipblendvalue.moc"