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
17#include <stdint.h>
18
19#include <vector>
20
21namespace testing {
22
23class Benchmark {
24 public:
25  Benchmark(const char* name, void (*fn)(int)) {
26    Register(name, fn, NULL);
27  }
28
29  Benchmark(const char* name, void (*fn_range)(int, int)) {
30    Register(name, NULL, fn_range);
31  }
32
33  Benchmark* Arg(int x);
34
35  const char* Name();
36
37  bool ShouldRun(int argc, char* argv[]);
38  void Run();
39
40 private:
41  const char* name_;
42
43  void (*fn_)(int);
44  void (*fn_range_)(int, int);
45
46  std::vector<int> args_;
47
48  void Register(const char* name, void (*fn)(int), void (*fn_range)(int, int));
49  void RunRepeatedlyWithArg(int iterations, int arg);
50  void RunWithArg(int arg);
51};
52
53}  // namespace testing
54
55void SetBenchmarkBytesProcessed(int64_t);
56void StopBenchmarkTiming();
57void StartBenchmarkTiming();
58
59#define BENCHMARK(f) \
60    static ::testing::Benchmark* _benchmark_##f __attribute__((unused)) = \
61        (new ::testing::Benchmark(#f, f))
62