1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "base/callback_helpers.h"
6
7#include "base/bind.h"
8#include "base/callback.h"
9#include "testing/gtest/include/gtest/gtest.h"
10
11namespace {
12
13void Increment(int* value) {
14  (*value)++;
15}
16
17TEST(BindHelpersTest, TestScopedClosureRunnerExitScope) {
18  int run_count = 0;
19  {
20    base::ScopedClosureRunner runner(base::Bind(&Increment, &run_count));
21    EXPECT_EQ(0, run_count);
22  }
23  EXPECT_EQ(1, run_count);
24}
25
26TEST(BindHelpersTest, TestScopedClosureRunnerRelease) {
27  int run_count = 0;
28  base::Closure c;
29  {
30    base::ScopedClosureRunner runner(base::Bind(&Increment, &run_count));
31    c = runner.Release();
32    EXPECT_EQ(0, run_count);
33  }
34  EXPECT_EQ(0, run_count);
35  c.Run();
36  EXPECT_EQ(1, run_count);
37}
38
39TEST(BindHelpersTest, TestScopedClosureRunnerReset) {
40  int run_count_1 = 0;
41  int run_count_2 = 0;
42  {
43    base::ScopedClosureRunner runner;
44    runner.Reset(base::Bind(&Increment, &run_count_1));
45    runner.Reset(base::Bind(&Increment, &run_count_2));
46    EXPECT_EQ(1, run_count_1);
47    EXPECT_EQ(0, run_count_2);
48  }
49  EXPECT_EQ(1, run_count_2);
50
51  int run_count_3 = 0;
52  {
53    base::ScopedClosureRunner runner(base::Bind(&Increment, &run_count_3));
54    EXPECT_EQ(0, run_count_3);
55    runner.Reset();
56    EXPECT_EQ(1, run_count_3);
57  }
58  EXPECT_EQ(1, run_count_3);
59}
60
61}  // namespace
62