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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
// Copyright 2016 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 "core/dom/ScriptedAnimationController.h"
#include "core/dom/Document.h"
#include "core/dom/FrameRequestCallback.h"
#include "core/events/Event.h"
#include "core/events/EventListener.h"
#include "core/events/EventTarget.h"
#include "core/testing/DummyPageHolder.h"
#include "platform/heap/Handle.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "wtf/Functional.h"
#include <memory>
namespace blink {
class ScriptedAnimationControllerTest : public ::testing::Test {
protected:
void SetUp() override;
Document& document() const { return m_dummyPageHolder->document(); }
ScriptedAnimationController& controller() { return *m_controller; }
private:
std::unique_ptr<DummyPageHolder> m_dummyPageHolder;
Persistent<ScriptedAnimationController> m_controller;
};
void ScriptedAnimationControllerTest::SetUp() {
m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600));
// Note: The document doesn't know about this ScriptedAnimationController
// instance, and will create another if
// Document::ensureScriptedAnimationController is called.
m_controller =
wrapPersistent(ScriptedAnimationController::create(&document()));
}
namespace {
class TaskOrderObserver {
public:
std::unique_ptr<WTF::Closure> createTask(int id) {
return WTF::bind(&TaskOrderObserver::runTask, WTF::unretained(this), id);
}
const Vector<int>& order() const { return m_order; }
private:
void runTask(int id) { m_order.push_back(id); }
Vector<int> m_order;
};
} // anonymous namespace
TEST_F(ScriptedAnimationControllerTest, EnqueueOneTask) {
TaskOrderObserver observer;
controller().enqueueTask(observer.createTask(1));
EXPECT_EQ(0u, observer.order().size());
controller().serviceScriptedAnimations(0);
EXPECT_EQ(1u, observer.order().size());
EXPECT_EQ(1, observer.order()[0]);
}
TEST_F(ScriptedAnimationControllerTest, EnqueueTwoTasks) {
TaskOrderObserver observer;
controller().enqueueTask(observer.createTask(1));
controller().enqueueTask(observer.createTask(2));
EXPECT_EQ(0u, observer.order().size());
controller().serviceScriptedAnimations(0);
EXPECT_EQ(2u, observer.order().size());
EXPECT_EQ(1, observer.order()[0]);
EXPECT_EQ(2, observer.order()[1]);
}
namespace {
void enqueueTask(ScriptedAnimationController* controller,
TaskOrderObserver* observer,
int id) {
controller->enqueueTask(observer->createTask(id));
}
} // anonymous namespace
// A task enqueued while running tasks should not be run immediately after, but
// the next time tasks are run.
TEST_F(ScriptedAnimationControllerTest, EnqueueWithinTask) {
TaskOrderObserver observer;
controller().enqueueTask(observer.createTask(1));
controller().enqueueTask(WTF::bind(&enqueueTask,
wrapPersistent(&controller()),
WTF::unretained(&observer), 2));
controller().enqueueTask(observer.createTask(3));
EXPECT_EQ(0u, observer.order().size());
controller().serviceScriptedAnimations(0);
EXPECT_EQ(2u, observer.order().size());
EXPECT_EQ(1, observer.order()[0]);
EXPECT_EQ(3, observer.order()[1]);
controller().serviceScriptedAnimations(0);
EXPECT_EQ(3u, observer.order().size());
EXPECT_EQ(1, observer.order()[0]);
EXPECT_EQ(3, observer.order()[1]);
EXPECT_EQ(2, observer.order()[2]);
}
namespace {
class RunTaskEventListener final : public EventListener {
public:
RunTaskEventListener(std::unique_ptr<WTF::Closure> task)
: EventListener(CPPEventListenerType), m_task(std::move(task)) {}
void handleEvent(ExecutionContext*, Event*) override { (*m_task)(); }
bool operator==(const EventListener& other) const override {
return this == &other;
}
private:
std::unique_ptr<WTF::Closure> m_task;
};
} // anonymous namespace
// Tasks should be run after events are dispatched, even if they were enqueued
// first.
TEST_F(ScriptedAnimationControllerTest, EnqueueTaskAndEvent) {
TaskOrderObserver observer;
controller().enqueueTask(observer.createTask(1));
document().addEventListener("test",
new RunTaskEventListener(observer.createTask(2)));
Event* event = Event::create("test");
event->setTarget(&document());
controller().enqueueEvent(event);
EXPECT_EQ(0u, observer.order().size());
controller().serviceScriptedAnimations(0);
EXPECT_EQ(2u, observer.order().size());
EXPECT_EQ(2, observer.order()[0]);
EXPECT_EQ(1, observer.order()[1]);
}
namespace {
class RunTaskCallback final : public FrameRequestCallback {
public:
RunTaskCallback(std::unique_ptr<WTF::Closure> task)
: m_task(std::move(task)) {}
void handleEvent(double) override { (*m_task)(); }
private:
std::unique_ptr<WTF::Closure> m_task;
};
} // anonymous namespace
// Animation frame callbacks should be run after tasks, even if they were
// enqueued first.
TEST_F(ScriptedAnimationControllerTest, RegisterCallbackAndEnqueueTask) {
TaskOrderObserver observer;
Event* event = Event::create("test");
event->setTarget(&document());
controller().registerCallback(new RunTaskCallback(observer.createTask(1)));
controller().enqueueTask(observer.createTask(2));
EXPECT_EQ(0u, observer.order().size());
controller().serviceScriptedAnimations(0);
EXPECT_EQ(2u, observer.order().size());
EXPECT_EQ(2, observer.order()[0]);
EXPECT_EQ(1, observer.order()[1]);
}
} // namespace blink
|
