| // Copyright 2021 The libgav1 Authors |
| // |
| // 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 "src/utils/segmentation.h" |
| |
| #include <cstdint> |
| |
| #include "gtest/gtest.h" |
| #include "src/utils/common.h" |
| #include "src/utils/types.h" |
| |
| namespace libgav1 { |
| namespace { |
| |
| int GetUnsignedBits(const unsigned int num_values) { |
| return (num_values > 0) ? FloorLog2(num_values) + 1 : 0; |
| } |
| |
| // Check that kSegmentationFeatureBits and kSegmentationFeatureMaxValues are |
| // consistent with each other. |
| TEST(SegmentationTest, FeatureBitsAndMaxValuesConsistency) { |
| for (int feature = 0; feature < kSegmentFeatureMax; feature++) { |
| EXPECT_EQ(kSegmentationFeatureBits[feature], |
| GetUnsignedBits(kSegmentationFeatureMaxValues[feature])); |
| } |
| } |
| |
| } // namespace |
| } // namespace libgav1 |