Add unit tests for Quick3DBuffer::readBinaryFile

Change-Id: I8a4b14bd830774ac15d7d77efdb26797b197ba70
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

3 files changed, 105 insertions, 1 deletions

diff --git a/tests/auto/quick3d/quick3d.pro b/tests/auto/quick3d/quick3d.pro
index d5ed1ab5f..8abe04550 100644
--- a/tests/auto/quick3d/quick3d.pro
+++ b/tests/auto/quick3d/quick3d.pro
@@ -6,5 +6,6 @@ qtConfig(private_tests) {
         dynamicnodecreation \
         3drender \
         3dinput \
-        3dcore
+        3dcore \
+        quick3dbuffer
 }
diff --git a/tests/auto/quick3d/quick3dbuffer/quick3dbuffer.pro b/tests/auto/quick3d/quick3dbuffer/quick3dbuffer.pro
new file mode 100644
index 000000000..f36e42ff5
--- /dev/null
+++ b/tests/auto/quick3d/quick3dbuffer/quick3dbuffer.pro
@@ -0,0 +1,9 @@
+TEMPLATE = app
+
+TARGET = tst_quick3dbuffer
+
+QT += 3dcore 3dcore-private 3drender 3drender-private 3dquick 3dquick-private 3dquickrender-private testlib
+
+CONFIG += testcase
+
+SOURCES += tst_quick3dbuffer.cpp
diff --git a/tests/auto/quick3d/quick3dbuffer/tst_quick3dbuffer.cpp b/tests/auto/quick3d/quick3dbuffer/tst_quick3dbuffer.cpp
new file mode 100644
index 000000000..0392c0402
--- /dev/null
+++ b/tests/auto/quick3d/quick3dbuffer/tst_quick3dbuffer.cpp
@@ -0,0 +1,94 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
+** 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 <Qt3DQuickRender/private/quick3dbuffer_p.h>
+#include <QObject>
+#include <QVector3D>
+
+namespace {
+
+bool writeBinaryFile(const QString filePath, const void *data, int byteSize)
+{
+    QFile f(filePath);
+    if (f.open(QIODevice::WriteOnly))
+        return f.write(reinterpret_cast<const char *>(data), byteSize) == byteSize;
+    return false;
+}
+
+} // anonymous
+
+class tst_Quick3DBuffer : public QObject
+{
+    Q_OBJECT
+
+private Q_SLOTS:
+
+    void checkInvalidBinaryFile()
+    {
+        // GIVEN
+        Qt3DRender::Render::Quick::Quick3DBuffer buf;
+
+        // WHEN
+        QVariant data = buf.readBinaryFile(QUrl::fromLocalFile(QLatin1String("this_should_not_exist.bin")));
+
+        // THEN
+        QCOMPARE(data.userType(), static_cast<int>(QVariant::ByteArray));
+        QVERIFY(data.value<QByteArray>().isEmpty());
+    }
+
+    void checkValidBinaryFile()
+    {
+        // GIVEN
+        Qt3DRender::Render::Quick::Quick3DBuffer buf;
+        QVector<QVector3D> dataArray = QVector<QVector3D>()
+                << QVector3D(327.0f, 350.0f, 355.0f)
+                << QVector3D(383.0f, 427.0f, 454.0f);
+
+        const int bufferByteSize = dataArray.size() * sizeof(QVector3D);
+        const QLatin1String filePath("binary_data.bin");
+        const bool writingSucceeded = writeBinaryFile(filePath, dataArray.constData(), bufferByteSize);
+        Q_ASSERT(writingSucceeded);
+
+        // WHEN
+        const QUrl path = QUrl::fromLocalFile(filePath);
+        QVariant data = buf.readBinaryFile(path);
+
+        // THEN
+        QCOMPARE(data.userType(), static_cast<int>(QVariant::ByteArray));
+        const QByteArray byteArray = data.value<QByteArray>();
+        QCOMPARE(byteArray.size(), bufferByteSize);
+        QVERIFY(memcmp(byteArray, dataArray.constData(), bufferByteSize) == 0);
+    }
+
+};
+
+QTEST_MAIN(tst_Quick3DBuffer)
+
+#include "tst_quick3dbuffer.moc"