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
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
// Copyright 2017 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 "third_party/blink/renderer/core/dom/scripted_idle_task_controller.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_idle_request_callback.h"
#include "third_party/blink/renderer/core/dom/idle_request_options.h"
#include "third_party/blink/renderer/core/testing/null_execution_context.h"
#include "third_party/blink/renderer/platform/scheduler/public/thread_scheduler.h"
#include "third_party/blink/renderer/platform/testing/testing_platform_support.h"
#include "third_party/blink/renderer/platform/wtf/time.h"
namespace blink {
namespace {
class MockScriptedIdleTaskControllerScheduler final : public ThreadScheduler {
public:
MockScriptedIdleTaskControllerScheduler(bool should_yield)
: should_yield_(should_yield) {}
~MockScriptedIdleTaskControllerScheduler() override = default;
// ThreadScheduler implementation:
scoped_refptr<base::SingleThreadTaskRunner> CompositorTaskRunner() override {
return nullptr;
}
scoped_refptr<base::SingleThreadTaskRunner> V8TaskRunner() override {
return nullptr;
}
void Shutdown() override {}
bool ShouldYieldForHighPriorityWork() override { return should_yield_; }
bool CanExceedIdleDeadlineIfRequired() const override { return false; }
void PostIdleTask(const base::Location&,
WebThread::IdleTask idle_task) override {
idle_task_ = std::move(idle_task);
}
void PostNonNestableIdleTask(const base::Location&,
WebThread::IdleTask) override {}
std::unique_ptr<PageScheduler> CreatePageScheduler(
PageScheduler::Delegate*) override {
return nullptr;
}
std::unique_ptr<RendererPauseHandle> PauseScheduler() override {
return nullptr;
}
base::TimeTicks MonotonicallyIncreasingVirtualTime() override {
return base::TimeTicks();
}
void AddTaskObserver(
base::MessageLoop::TaskObserver* task_observer) override {}
void RemoveTaskObserver(
base::MessageLoop::TaskObserver* task_observer) override {}
void AddRAILModeObserver(
scheduler::WebThreadScheduler::RAILModeObserver*) override {}
scheduler::NonMainThreadSchedulerImpl* AsNonMainThreadScheduler() override {
return nullptr;
}
void RunIdleTask() { std::move(idle_task_).Run(TimeTicks()); }
bool HasIdleTask() const { return !!idle_task_; }
private:
bool should_yield_;
WebThread::IdleTask idle_task_;
DISALLOW_COPY_AND_ASSIGN(MockScriptedIdleTaskControllerScheduler);
};
class MockScriptedIdleTaskControllerThread final : public WebThread {
public:
MockScriptedIdleTaskControllerThread(bool should_yield)
: scheduler_(should_yield) {}
~MockScriptedIdleTaskControllerThread() override = default;
bool IsCurrentThread() const override { return true; }
ThreadScheduler* Scheduler() const override { return &scheduler_; }
void RunIdleTask() { scheduler_.RunIdleTask(); }
bool HasIdleTask() const { return scheduler_.HasIdleTask(); }
private:
mutable MockScriptedIdleTaskControllerScheduler scheduler_;
DISALLOW_COPY_AND_ASSIGN(MockScriptedIdleTaskControllerThread);
};
class MockScriptedIdleTaskControllerPlatform : public TestingPlatformSupport {
public:
MockScriptedIdleTaskControllerPlatform(bool should_yield)
: thread_(should_yield) {}
~MockScriptedIdleTaskControllerPlatform() override = default;
WebThread* CurrentThread() override { return &thread_; }
void RunIdleTask() { thread_.RunIdleTask(); }
bool HasIdleTask() const { return thread_.HasIdleTask(); }
private:
MockScriptedIdleTaskControllerThread thread_;
DISALLOW_COPY_AND_ASSIGN(MockScriptedIdleTaskControllerPlatform);
};
class MockIdleTask : public ScriptedIdleTaskController::IdleTask {
public:
MOCK_METHOD1(invoke, void(IdleDeadline*));
};
} // namespace
class ScriptedIdleTaskControllerTest : public testing::Test {
public:
void SetUp() override { execution_context_ = new NullExecutionContext(); }
protected:
Persistent<ExecutionContext> execution_context_;
};
TEST_F(ScriptedIdleTaskControllerTest, RunCallback) {
ScopedTestingPlatformSupport<MockScriptedIdleTaskControllerPlatform, bool>
platform(false);
NullExecutionContext execution_context;
ScriptedIdleTaskController* controller =
ScriptedIdleTaskController::Create(execution_context_);
Persistent<MockIdleTask> idle_task(new MockIdleTask());
IdleRequestOptions options;
EXPECT_FALSE(platform->HasIdleTask());
int id = controller->RegisterCallback(idle_task, options);
EXPECT_TRUE(platform->HasIdleTask());
EXPECT_NE(0, id);
EXPECT_CALL(*idle_task, invoke(testing::_));
platform->RunIdleTask();
testing::Mock::VerifyAndClearExpectations(idle_task);
EXPECT_FALSE(platform->HasIdleTask());
}
TEST_F(ScriptedIdleTaskControllerTest, DontRunCallbackWhenAskedToYield) {
ScopedTestingPlatformSupport<MockScriptedIdleTaskControllerPlatform, bool>
platform(true);
NullExecutionContext execution_context;
ScriptedIdleTaskController* controller =
ScriptedIdleTaskController::Create(execution_context_);
Persistent<MockIdleTask> idle_task(new MockIdleTask());
IdleRequestOptions options;
int id = controller->RegisterCallback(idle_task, options);
EXPECT_NE(0, id);
EXPECT_CALL(*idle_task, invoke(testing::_)).Times(0);
platform->RunIdleTask();
testing::Mock::VerifyAndClearExpectations(idle_task);
// The idle task should have been reposted.
EXPECT_TRUE(platform->HasIdleTask());
}
} // namespace blink
|
