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++ // Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++
++ #include <QtTest/QTest>
++ #include <Qt3DQuick/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
++ Qt3DCore::Quick::Quick3DBuffer buf;
++
++ // WHEN
++ QVariant data = buf.readBinaryFile(QUrl::fromLocalFile(QLatin1String("this_should_not_exist.bin")));
++
++ // THEN
++ QCOMPARE(data.userType(), static_cast<int>(QMetaType::QByteArray));
++ QVERIFY(data.value<QByteArray>().isEmpty());
++ }
++
++ void checkValidBinaryFile()
++ {
++ // GIVEN
++ Qt3DCore::Quick::Quick3DBuffer buf;
++ const QVector<QVector3D> dataArray = { QVector3D(327.0f, 350.0f, 355.0f),
++ QVector3D(383.0f, 427.0f, 454.0f) };
++
++ const int bufferByteSize = int(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>(QMetaType::QByteArray));
++ 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"