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      1 /*
      2  * Copyright 2019 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #pragma once
     18 
     19 #include <string>
     20 
     21 #include <gmock/gmock.h>
     22 
     23 namespace {
     24 
     25 // Check for a transform match
     26 MATCHER_P(TransformEq, expected, "") {
     27     std::string buf;
     28     buf.append("Transforms are not equal\n");
     29     expected.dump(buf, "expected transform");
     30     arg.dump(buf, "actual transform");
     31     *result_listener << buf;
     32 
     33     const float TOLERANCE = 1e-3f;
     34 
     35     for (int i = 0; i < 3; i++) {
     36         for (int j = 0; j < 3; j++) {
     37             if (std::fabs(expected[i][j] - arg[i][j]) > TOLERANCE) {
     38                 return false;
     39             }
     40         }
     41     }
     42 
     43     return true;
     44 }
     45 
     46 } // namespace
     47