1/*
2 * Copyright (C) 2012 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#include <stddef.h>
17#include <stdint.h>
18#include <vector>
19
20namespace testing {
21class Benchmark {
22 public:
23  Benchmark(const char* name, void (*fn)(int)) {
24    Register(name, fn, NULL);
25  }
26  Benchmark(const char* name, void (*fn_range)(int, int)) {
27    Register(name, NULL, fn_range);
28  }
29  Benchmark* Arg(int x);
30  Benchmark* Range(int lo, int hi);
31  const char* Name();
32  bool ShouldRun(int argc, char* argv[]);
33  void Run();
34 private:
35  const char* name_;
36  void (*fn_)(int);
37  void (*fn_range_)(int, int);
38  std::vector<int> args_;
39  void Register(const char* name, void (*fn)(int), void (*fn_range)(int, int));
40  void RunRepeatedlyWithArg(int iterations, int arg);
41  void RunWithArg(int arg);
42};
43}  // namespace testing
44void SetBenchmarkFlopsProcessed(int64_t);
45void StopBenchmarkTiming();
46void StartBenchmarkTiming();
47#define BENCHMARK(f) \
48    static ::testing::Benchmark* _benchmark_##f __attribute__((unused)) = \
49        (new ::testing::Benchmark(#f, f))
50