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/*
* Copyright 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <ui/Transform.h>
#include <gtest/gtest.h>
namespace android::ui {
TEST(TransformTest, inverseRotation_hasCorrectType) {
const auto testRotationFlagsForInverse = [](Transform::RotationFlags rotation,
Transform::RotationFlags expectedInverse,
bool isRotation) {
const Transform t(rotation, 0, 0);
EXPECT_EQ(t.getOrientation(), rotation);
const Transform inverse = t.inverse();
EXPECT_EQ(inverse.getOrientation(), expectedInverse);
if (isRotation) {
EXPECT_TRUE(t.getType() & Transform::ROTATE);
EXPECT_TRUE(inverse.getType() & Transform::ROTATE);
} else {
EXPECT_FALSE(t.getType() & Transform::ROTATE);
EXPECT_FALSE(inverse.getType() & Transform::ROTATE);
}
};
testRotationFlagsForInverse(Transform::ROT_0, Transform::ROT_0, false);
testRotationFlagsForInverse(Transform::ROT_90, Transform::ROT_270, true);
testRotationFlagsForInverse(Transform::ROT_180, Transform::ROT_180, true);
testRotationFlagsForInverse(Transform::ROT_270, Transform::ROT_90, true);
testRotationFlagsForInverse(Transform::FLIP_H, Transform::FLIP_H, false);
testRotationFlagsForInverse(Transform::FLIP_V, Transform::FLIP_V, false);
}
} // namespace android::ui
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