1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/at_exit.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
// Don't test the global AtExitManager, because asking it to process its
// AtExit callbacks can ruin the global state that other tests may depend on.
class ShadowingAtExitManager : public base::AtExitManager {
public:
ShadowingAtExitManager() : AtExitManager(true) {}
};
int g_test_counter_1 = 0;
int g_test_counter_2 = 0;
void IncrementTestCounter1(void* unused) {
++g_test_counter_1;
}
void IncrementTestCounter2(void* unused) {
++g_test_counter_2;
}
void ZeroTestCounters() {
g_test_counter_1 = 0;
g_test_counter_2 = 0;
}
void ExpectCounter1IsZero(void* unused) {
EXPECT_EQ(0, g_test_counter_1);
}
void ExpectParamIsNull(void* param) {
EXPECT_EQ(static_cast<void*>(NULL), param);
}
void ExpectParamIsCounter(void* param) {
EXPECT_EQ(&g_test_counter_1, param);
}
} // namespace
TEST(AtExitTest, Basic) {
ShadowingAtExitManager shadowing_at_exit_manager;
ZeroTestCounters();
base::AtExitManager::RegisterCallback(&IncrementTestCounter1, NULL);
base::AtExitManager::RegisterCallback(&IncrementTestCounter2, NULL);
base::AtExitManager::RegisterCallback(&IncrementTestCounter1, NULL);
EXPECT_EQ(0, g_test_counter_1);
EXPECT_EQ(0, g_test_counter_2);
base::AtExitManager::ProcessCallbacksNow();
EXPECT_EQ(2, g_test_counter_1);
EXPECT_EQ(1, g_test_counter_2);
}
TEST(AtExitTest, LIFOOrder) {
ShadowingAtExitManager shadowing_at_exit_manager;
ZeroTestCounters();
base::AtExitManager::RegisterCallback(&IncrementTestCounter1, NULL);
base::AtExitManager::RegisterCallback(&ExpectCounter1IsZero, NULL);
base::AtExitManager::RegisterCallback(&IncrementTestCounter2, NULL);
EXPECT_EQ(0, g_test_counter_1);
EXPECT_EQ(0, g_test_counter_2);
base::AtExitManager::ProcessCallbacksNow();
EXPECT_EQ(1, g_test_counter_1);
EXPECT_EQ(1, g_test_counter_2);
}
TEST(AtExitTest, Param) {
ShadowingAtExitManager shadowing_at_exit_manager;
base::AtExitManager::RegisterCallback(&ExpectParamIsNull, NULL);
base::AtExitManager::RegisterCallback(&ExpectParamIsCounter,
&g_test_counter_1);
base::AtExitManager::ProcessCallbacksNow();
}
|
