Unit tests for QMemoryBarrier

Change-Id: I8194a0aa6b1d2251cba8e536d317a520fd31e59a
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

3 files changed, 189 insertions, 1 deletions

diff --git a/tests/auto/render/qmemorybarrier/qmemorybarrier.pro b/tests/auto/render/qmemorybarrier/qmemorybarrier.pro
new file mode 100644
index 000000000..35b6c46a8
--- /dev/null
+++ b/tests/auto/render/qmemorybarrier/qmemorybarrier.pro
@@ -0,0 +1,12 @@
+TEMPLATE = app
+
+TARGET = tst_qmemorybarrier
+
+QT += 3dcore 3dcore-private 3drender 3drender-private testlib
+
+CONFIG += testcase
+
+SOURCES += tst_qmemorybarrier.cpp
+
+include(../../core/common/common.pri)
+include(../commons/commons.pri)
diff --git a/tests/auto/render/qmemorybarrier/tst_qmemorybarrier.cpp b/tests/auto/render/qmemorybarrier/tst_qmemorybarrier.cpp
new file mode 100644
index 000000000..87c813a03
--- /dev/null
+++ b/tests/auto/render/qmemorybarrier/tst_qmemorybarrier.cpp
@@ -0,0 +1,175 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 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 <Qt3DRender/qmemorybarrier.h>
+#include <Qt3DRender/private/qmemorybarrier_p.h>
+#include <QObject>
+#include <QSignalSpy>
+#include <Qt3DCore/qpropertyupdatedchange.h>
+#include <Qt3DCore/private/qnodecreatedchangegenerator_p.h>
+#include <Qt3DCore/qnodecreatedchange.h>
+#include "testpostmanarbiter.h"
+
+class tst_QMemoryBarrier : public QObject
+{
+    Q_OBJECT
+
+private Q_SLOTS:
+
+    void initTestCase()
+    {
+        qRegisterMetaType<Qt3DRender::QMemoryBarrier::BarrierTypes>("QMemoryBarrier::BarrierTypes");
+    }
+
+    void checkDefaultConstruction()
+    {
+        // GIVEN
+        Qt3DRender::QMemoryBarrier memoryBarrier;
+
+        // THEN
+        QCOMPARE(memoryBarrier.barrierTypes(), Qt3DRender::QMemoryBarrier::None);
+    }
+
+    void checkPropertyChanges()
+    {
+        // GIVEN
+        Qt3DRender::QMemoryBarrier memoryBarrier;
+
+        {
+            // WHEN
+            QSignalSpy spy(&memoryBarrier, SIGNAL(barrierTypesChanged(QMemoryBarrier::BarrierTypes)));
+            const Qt3DRender::QMemoryBarrier::BarrierTypes newValue(Qt3DRender::QMemoryBarrier::ShaderStorageBarrier|Qt3DRender::QMemoryBarrier::VertexAttributeArrayBarrier);
+            memoryBarrier.setBarrierTypes(newValue);
+
+            // THEN
+            QVERIFY(spy.isValid());
+            QCOMPARE(memoryBarrier.barrierTypes(), newValue);
+            QCOMPARE(spy.count(), 1);
+
+            // WHEN
+            spy.clear();
+            memoryBarrier.setBarrierTypes(newValue);
+
+            // THEN
+            QCOMPARE(memoryBarrier.barrierTypes(), newValue);
+            QCOMPARE(spy.count(), 0);
+        }
+    }
+
+    void checkCreationData()
+    {
+        // GIVEN
+        Qt3DRender::QMemoryBarrier memoryBarrier;
+
+        memoryBarrier.setBarrierTypes(Qt3DRender::QMemoryBarrier::CommandBarrier);
+
+        // WHEN
+        QVector<Qt3DCore::QNodeCreatedChangeBasePtr> creationChanges;
+
+        {
+            Qt3DCore::QNodeCreatedChangeGenerator creationChangeGenerator(&memoryBarrier);
+            creationChanges = creationChangeGenerator.creationChanges();
+        }
+
+        // THEN
+        {
+            QCOMPARE(creationChanges.size(), 1);
+
+            const auto creationChangeData = qSharedPointerCast<Qt3DCore::QNodeCreatedChange<Qt3DRender::QMemoryBarrierData>>(creationChanges.first());
+            const Qt3DRender::QMemoryBarrierData cloneData = creationChangeData->data;
+
+            QCOMPARE(memoryBarrier.barrierTypes(), cloneData.barrierTypes);
+            QCOMPARE(memoryBarrier.id(), creationChangeData->subjectId());
+            QCOMPARE(memoryBarrier.isEnabled(), true);
+            QCOMPARE(memoryBarrier.isEnabled(), creationChangeData->isNodeEnabled());
+            QCOMPARE(memoryBarrier.metaObject(), creationChangeData->metaObject());
+        }
+
+        // WHEN
+        memoryBarrier.setEnabled(false);
+
+        {
+            Qt3DCore::QNodeCreatedChangeGenerator creationChangeGenerator(&memoryBarrier);
+            creationChanges = creationChangeGenerator.creationChanges();
+        }
+
+        // THEN
+        {
+            QCOMPARE(creationChanges.size(), 1);
+
+            const auto creationChangeData = qSharedPointerCast<Qt3DCore::QNodeCreatedChange<Qt3DRender::QMemoryBarrierData>>(creationChanges.first());
+            const Qt3DRender::QMemoryBarrierData cloneData = creationChangeData->data;
+
+            QCOMPARE(memoryBarrier.barrierTypes(), cloneData.barrierTypes);
+            QCOMPARE(memoryBarrier.id(), creationChangeData->subjectId());
+            QCOMPARE(memoryBarrier.isEnabled(), false);
+            QCOMPARE(memoryBarrier.isEnabled(), creationChangeData->isNodeEnabled());
+            QCOMPARE(memoryBarrier.metaObject(), creationChangeData->metaObject());
+        }
+    }
+
+    void checkTypesUpdate()
+    {
+        // GIVEN
+        TestArbiter arbiter;
+        Qt3DRender::QMemoryBarrier memoryBarrier;
+        arbiter.setArbiterOnNode(&memoryBarrier);
+
+        {
+            // WHEN
+            memoryBarrier.setBarrierTypes(Qt3DRender::QMemoryBarrier::ShaderStorageBarrier);
+            QCoreApplication::processEvents();
+
+            // THEN
+            QCOMPARE(arbiter.events.size(), 1);
+            auto change = arbiter.events.first().staticCast<Qt3DCore::QPropertyUpdatedChange>();
+            QCOMPARE(change->propertyName(), "barrierTypes");
+            QCOMPARE(change->value().value<Qt3DRender::QMemoryBarrier::BarrierTypes>(), memoryBarrier.barrierTypes());
+            QCOMPARE(change->type(), Qt3DCore::PropertyUpdated);
+
+            arbiter.events.clear();
+        }
+
+        {
+            // WHEN
+            memoryBarrier.setBarrierTypes(Qt3DRender::QMemoryBarrier::ShaderStorageBarrier);
+            QCoreApplication::processEvents();
+
+            // THEN
+            QCOMPARE(arbiter.events.size(), 0);
+        }
+
+    }
+
+};
+
+QTEST_MAIN(tst_QMemoryBarrier)
+
+#include "tst_qmemorybarrier.moc"
diff --git a/tests/auto/render/render.pro b/tests/auto/render/render.pro
index 2e37c0d80..bb24205e4 100644
--- a/tests/auto/render/render.pro
+++ b/tests/auto/render/render.pro
@@ -95,7 +95,8 @@ qtConfig(private_tests) {
         renderviewbuilder \
         filtercompatibletechniquejob \
         rendercapture \
-        trianglevisitor
+        trianglevisitor \
+        qmemorybarrier
 
     !macos: SUBDIRS += graphicshelpergl4
 }