kwin/autotests/test_gbm_surface.cpp
2020-08-07 19:57:56 +00:00

108 lines
2.4 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2017 Martin Flöser <mgraesslin@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "../plugins/platforms/drm/gbm_surface.h"
#include <QtTest>
#include <gbm.h>
// mocking
struct gbm_device {
bool surfaceShouldFail = false;
};
struct gbm_surface {
uint32_t width;
uint32_t height;
uint32_t format;
uint32_t flags;
};
struct gbm_bo {
};
struct gbm_surface *gbm_surface_create(struct gbm_device *gbm, uint32_t width, uint32_t height, uint32_t format, uint32_t flags)
{
if (gbm && gbm->surfaceShouldFail) {
return nullptr;
}
auto ret = new gbm_surface{width, height, format, flags};
return ret;
}
void gbm_surface_destroy(struct gbm_surface *surface)
{
delete surface;
}
struct gbm_bo *gbm_surface_lock_front_buffer(struct gbm_surface *surface)
{
Q_UNUSED(surface)
return new gbm_bo;
}
void gbm_surface_release_buffer(struct gbm_surface *surface, struct gbm_bo *bo)
{
Q_UNUSED(surface)
delete bo;
}
using KWin::GbmSurface;
class GbmSurfaceTest : public QObject
{
Q_OBJECT
private Q_SLOTS:
void testCreate();
void testCreateFailure();
void testBo();
};
void GbmSurfaceTest::testCreate()
{
GbmSurface surface(nullptr, 2, 3, 4, 5);
gbm_surface *native = surface.surface();
QVERIFY(surface);
QCOMPARE(native->width, 2u);
QCOMPARE(native->height, 3u);
QCOMPARE(native->format, 4u);
QCOMPARE(native->flags, 5u);
}
void GbmSurfaceTest::testCreateFailure()
{
gbm_device dev{true};
GbmSurface surface(&dev, 2, 3, 4, 5);
QVERIFY(!surface);
gbm_surface *native = surface.surface();
QVERIFY(!native);
}
void GbmSurfaceTest::testBo()
{
GbmSurface surface(nullptr, 2, 3, 4, 5);
// release buffer on nullptr should not be a problem
surface.releaseBuffer(nullptr);
// now an actual buffer
auto bo = surface.lockFrontBuffer();
surface.releaseBuffer(bo);
// and a surface which fails
gbm_device dev{true};
GbmSurface surface2(&dev, 2, 3, 4, 5);
QVERIFY(!surface2.lockFrontBuffer());
auto bo2 = surface.lockFrontBuffer();
// this won't do anything
surface2.releaseBuffer(bo2);
// so we need to clean up properly
surface.releaseBuffer(bo2);
}
QTEST_GUILESS_MAIN(GbmSurfaceTest)
#include "test_gbm_surface.moc"