/*
 * Copyright 2017, 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.
 */

#ifndef TEST_UTILS_H
#define TEST_UTILS_H

#include "gtest/gtest.h"

namespace android {
namespace spirit {

template <typename T> class EntityCounter : public DoNothingVisitor {
public:
  EntityCounter() : mCount(0) {}

  void visit(T *) override { mCount++; }

  int getCount() const { return mCount; }

private:
  int mCount;
};

template <typename T> int countEntity(Entity *e) {
  EntityCounter<T> v;
  e->accept(&v);
  return v.getCount();
}

// Returns a caller owned string for the full path to the relative path inside
// the Android source tree
static inline std::string getAbsolutePath(const std::string &relativePath) {
  std::string full(getenv("ANDROID_BUILD_TOP"));
  return full.append("/").append(relativePath);
}

} // namespace spirit
} // namespace android

#endif // TEST_UTILS_H