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/*
* Copyright © Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 or 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <mir/graphics/transformation.h>
#include <gtest/gtest.h>
#include <gmock/gmock.h>
namespace mg = mir::graphics;
using namespace testing;
class TransformationTest : public Test, public WithParamInterface<MirOrientation>
{
};
TEST_P(TransformationTest, InverseTransformIsInverseOfTransformation)
{
auto const orientation = GetParam();
EXPECT_THAT(
mg::transformation(orientation) * mg::inverse_transformation(orientation),
Eq(glm::mat2(1.f)));
}
INSTANTIATE_TEST_SUITE_P(TransformationTest, TransformationTest, ::testing::Values(
mir_orientation_normal,
mir_orientation_left,
mir_orientation_inverted,
mir_orientation_right
));
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