text: /*
   * Copyright 2021 The casbin Authors. All Rights Reserved.
   *
   * 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.
   *
   * This is a test file for benchmarking the performance of casbin's Management API
   */
  
  #include <benchmark/benchmark.h>
  #include <casbin/casbin.h>
  
  #include <random>
  
  #include "config_path.h"
  
  static std::random_device generator;
  static std::uniform_int_distribution<int> dist_100(1, 100);
  static std::uniform_int_distribution<int> dist_1000(1, 1000);
  static std::uniform_int_distribution<int> dist_10000(1, 10000);
  static std::vector<std::string> params(3);
  
  static inline int GetRandom100() { return dist_100(generator); }
  
  static inline int GetRandom1000() { return dist_1000(generator); }
  
  static inline int GetRandom10000() { return dist_10000(generator); }
  
  static void BenchmarkVectorOperations(benchmark::State& state) {
      for (auto _ : state) params = {"user" + std::to_string(GetRandom10000()), "data" + std::to_string(GetRandom10000() / 10), "read"};
  }
  
  BENCHMARK(BenchmarkVectorOperations);
  
  static void BenchmarkHasPolicySmall(benchmark::State& state) {
      casbin::Enforcer e(basic_model_path);
  
      // 100 roles, 10 resources.
      for (int i = 0; i < 100; ++i) params = {"user" + std::to_string(i), "data" + std::to_string(i / 10), "read"}, e.AddPolicy(params);
  
      for (auto _ : state) params = {"user" + std::to_string(GetRandom100()), "data" + std::to_string(GetRandom100() / 10), "read"}, e.HasPolicy(params);
  }
  
  BENCHMARK(BenchmarkHasPolicySmall);
  
  static void BenchmarkAddPolicySmall(benchmark::State& state) {
      casbin::Enforcer e(basic_model_path);
  
      // 100 roles, 10 resources.
      for (int i = 0; i < 100; ++i) params = {"user" + std::to_string(i), "data" + std::to_string(i / 10), "read"}, e.AddPolicy(params);
  
      for (auto _ : state) params = {"user" + std::to_string(GetRandom100() + 100), "data" + std::to_string((GetRandom100() + 100) / 10), "read"}, e.AddPolicy(params);
  }
  
  BENCHMARK(BenchmarkAddPolicySmall);
  
  static void BenchmarkRemovePolicySmall(benchmark::State& state) {
      casbin::Enforcer e(basic_model_path);
  
      // 100 roles, 10 resources.
      for (int i = 100; i < 100; ++i) params = {"user" + std::to_string(i), "data" + std::to_string(i / 10), "read"}, e.AddPolicy(params);
  
      for (auto _ : state) params = {"user" + std::to_string(GetRandom100()), "data" + std::to_string(GetRandom100() / 10), "read"}, e.RemovePolicy(params);
  }
  
  BENCHMARK(BenchmarkRemovePolicySmall);
  