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
86
87
88
89
90
91
92
93
94
95
96
|
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/throttle/throttle_observer.h"
#include "base/functional/bind.h"
#include "base/memory/weak_ptr.h"
#include "base/test/task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ash {
constexpr const char kObserverName[] = "TestObserver";
class ThrottleObserverTest : public testing::Test {
public:
ThrottleObserverTest() {
observer_.StartObserving(
nullptr /* content::BrowserContext* */,
base::BindRepeating(&ThrottleObserverTest::OnObserverStateChanged,
weak_ptr_factory_.GetWeakPtr()));
}
ThrottleObserverTest(const ThrottleObserverTest&) = delete;
ThrottleObserverTest& operator=(const ThrottleObserverTest&) = delete;
void OnObserverStateChanged(const ThrottleObserver*) { notify_count_++; }
protected:
ThrottleObserver* observer() { return &observer_; }
size_t notify_count() const { return notify_count_; }
private:
ThrottleObserver observer_{kObserverName};
size_t notify_count_{0};
base::WeakPtrFactory<ThrottleObserverTest> weak_ptr_factory_{this};
};
// Tests that ThrottleObserver can be constructed and destructed.
TEST_F(ThrottleObserverTest, TestConstructDestruct) {}
// Tests that ThrottleObserver's name is properly set.
TEST_F(ThrottleObserverTest, TestObserverName) {
EXPECT_EQ(kObserverName, observer()->name());
}
// Tests that ThrottleObserver notifies observers on SetActive().
TEST_F(ThrottleObserverTest, TestSetActive) {
EXPECT_EQ(0U, notify_count());
EXPECT_FALSE(observer()->active());
observer()->SetActive(true);
EXPECT_TRUE(observer()->active());
EXPECT_EQ(1U, notify_count());
observer()->SetActive(true);
EXPECT_TRUE(observer()->active());
EXPECT_EQ(2U, notify_count());
observer()->SetActive(false);
EXPECT_FALSE(observer()->active());
EXPECT_EQ(3U, notify_count());
}
// Tests that ThrottleObserver notifies observers on SetEnforced().
TEST_F(ThrottleObserverTest, TestSetEnforced) {
EXPECT_EQ(0U, notify_count());
EXPECT_FALSE(observer()->enforced());
observer()->SetEnforced(true);
EXPECT_TRUE(observer()->enforced());
EXPECT_EQ(1U, notify_count());
observer()->SetEnforced(true);
EXPECT_TRUE(observer()->enforced());
EXPECT_EQ(2U, notify_count());
observer()->SetEnforced(false);
EXPECT_FALSE(observer()->enforced());
EXPECT_EQ(3U, notify_count());
}
// Tests that the callback is not called after StopObserving.
TEST_F(ThrottleObserverTest, TestStopObserving) {
observer()->StopObserving();
EXPECT_EQ(0U, notify_count());
observer()->SetActive(true);
EXPECT_EQ(0U, notify_count());
observer()->SetEnforced(true);
EXPECT_EQ(0U, notify_count());
}
} // namespace ash
|
