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
11 namespace {
12
Increment(int * value)13 void Increment(int* value) {
14 (*value)++;
15 }
16
TEST(BindHelpersTest,TestScopedClosureRunnerExitScope)17 TEST(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
TEST(BindHelpersTest,TestScopedClosureRunnerRelease)26 TEST(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
TEST(BindHelpersTest,TestScopedClosureRunnerReset)39 TEST(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