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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
|
// Copyright 2014 the V8 project 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 "src/libplatform/default-platform.h"
#include "src/base/platform/semaphore.h"
#include "src/base/platform/time.h"
#include "testing/gmock/include/gmock/gmock.h"
using testing::InSequence;
using testing::StrictMock;
namespace v8 {
namespace platform {
namespace default_platform_unittest {
namespace {
struct MockTask : public Task {
// See issue v8:8185
~MockTask() /* override */ { Die(); }
MOCK_METHOD0(Run, void());
MOCK_METHOD0(Die, void());
};
struct MockIdleTask : public IdleTask {
// See issue v8:8185
~MockIdleTask() /* override */ { Die(); }
MOCK_METHOD1(Run, void(double deadline_in_seconds));
MOCK_METHOD0(Die, void());
};
class DefaultPlatformWithMockTime : public DefaultPlatform {
public:
DefaultPlatformWithMockTime()
: DefaultPlatform(IdleTaskSupport::kEnabled, nullptr) {
mock_time_ = 0.0;
SetTimeFunctionForTesting([]() { return mock_time_; });
}
void IncreaseTime(double seconds) { mock_time_ += seconds; }
private:
static double mock_time_;
};
double DefaultPlatformWithMockTime::mock_time_ = 0.0;
template <typename Platform>
class PlatformTest : public ::testing::Test {
public:
Isolate* isolate() { return reinterpret_cast<Isolate*>(dummy_); }
Platform* platform() { return &platform_; }
std::shared_ptr<TaskRunner> task_runner() {
if (!task_runner_) {
task_runner_ = platform_.GetForegroundTaskRunner(isolate());
}
DCHECK_NOT_NULL(task_runner_);
return task_runner_;
}
// These methods take ownership of the task. Tests might still reference them,
// if the tasks are expected to still exist.
void CallOnForegroundThread(Task* task) {
task_runner()->PostTask(std::unique_ptr<Task>(task));
}
void CallNonNestableOnForegroundThread(Task* task) {
task_runner()->PostNonNestableTask(std::unique_ptr<Task>(task));
}
void CallDelayedOnForegroundThread(Task* task, double delay_in_seconds) {
task_runner()->PostDelayedTask(std::unique_ptr<Task>(task),
delay_in_seconds);
}
void CallIdleOnForegroundThread(IdleTask* task) {
task_runner()->PostIdleTask(std::unique_ptr<IdleTask>(task));
}
bool PumpMessageLoop() { return platform_.PumpMessageLoop(isolate()); }
private:
Platform platform_;
InSequence in_sequence_;
std::shared_ptr<TaskRunner> task_runner_;
int dummy_ = 0;
};
class DefaultPlatformTest : public PlatformTest<DefaultPlatform> {};
class DefaultPlatformTestWithMockTime
: public PlatformTest<DefaultPlatformWithMockTime> {};
} // namespace
TEST_F(DefaultPlatformTest, PumpMessageLoop) {
EXPECT_FALSE(platform()->PumpMessageLoop(isolate()));
StrictMock<MockTask>* task = new StrictMock<MockTask>;
CallOnForegroundThread(task);
EXPECT_CALL(*task, Run());
EXPECT_CALL(*task, Die());
EXPECT_TRUE(PumpMessageLoop());
EXPECT_FALSE(PumpMessageLoop());
}
TEST_F(DefaultPlatformTest, PumpMessageLoopWithTaskRunner) {
std::shared_ptr<TaskRunner> taskrunner =
platform()->GetForegroundTaskRunner(isolate());
EXPECT_FALSE(PumpMessageLoop());
StrictMock<MockTask>* task = new StrictMock<MockTask>;
taskrunner->PostTask(std::unique_ptr<Task>(task));
EXPECT_CALL(*task, Run());
EXPECT_CALL(*task, Die());
EXPECT_TRUE(PumpMessageLoop());
EXPECT_FALSE(PumpMessageLoop());
}
TEST_F(DefaultPlatformTest, PumpMessageLoopNested) {
EXPECT_FALSE(PumpMessageLoop());
StrictMock<MockTask>* nestable_task1 = new StrictMock<MockTask>;
StrictMock<MockTask>* non_nestable_task2 = new StrictMock<MockTask>;
StrictMock<MockTask>* nestable_task3 = new StrictMock<MockTask>;
StrictMock<MockTask>* non_nestable_task4 = new StrictMock<MockTask>;
CallOnForegroundThread(nestable_task1);
CallNonNestableOnForegroundThread(non_nestable_task2);
CallOnForegroundThread(nestable_task3);
CallNonNestableOnForegroundThread(non_nestable_task4);
// Nestable tasks are FIFO; non-nestable tasks are FIFO. A task being
// non-nestable may cause it to be executed later, but not earlier.
EXPECT_CALL(*nestable_task1, Run).WillOnce([this]() {
EXPECT_TRUE(PumpMessageLoop());
});
EXPECT_CALL(*nestable_task3, Run());
EXPECT_CALL(*nestable_task3, Die());
EXPECT_CALL(*nestable_task1, Die());
EXPECT_TRUE(PumpMessageLoop());
EXPECT_CALL(*non_nestable_task2, Run());
EXPECT_CALL(*non_nestable_task2, Die());
EXPECT_TRUE(PumpMessageLoop());
EXPECT_CALL(*non_nestable_task4, Run());
EXPECT_CALL(*non_nestable_task4, Die());
EXPECT_TRUE(PumpMessageLoop());
EXPECT_FALSE(PumpMessageLoop());
}
TEST_F(DefaultPlatformTestWithMockTime, PumpMessageLoopDelayed) {
EXPECT_FALSE(PumpMessageLoop());
StrictMock<MockTask>* task1 = new StrictMock<MockTask>;
StrictMock<MockTask>* task2 = new StrictMock<MockTask>;
CallDelayedOnForegroundThread(task2, 100);
CallDelayedOnForegroundThread(task1, 10);
EXPECT_FALSE(PumpMessageLoop());
platform()->IncreaseTime(11);
EXPECT_CALL(*task1, Run());
EXPECT_CALL(*task1, Die());
EXPECT_TRUE(PumpMessageLoop());
EXPECT_FALSE(PumpMessageLoop());
platform()->IncreaseTime(90);
EXPECT_CALL(*task2, Run());
EXPECT_CALL(*task2, Die());
EXPECT_TRUE(PumpMessageLoop());
}
TEST_F(DefaultPlatformTestWithMockTime, PumpMessageLoopNoStarvation) {
EXPECT_FALSE(PumpMessageLoop());
StrictMock<MockTask>* task1 = new StrictMock<MockTask>;
StrictMock<MockTask>* task2 = new StrictMock<MockTask>;
StrictMock<MockTask>* task3 = new StrictMock<MockTask>;
CallOnForegroundThread(task1);
CallDelayedOnForegroundThread(task2, 10);
platform()->IncreaseTime(11);
EXPECT_CALL(*task1, Run());
EXPECT_CALL(*task1, Die());
EXPECT_TRUE(PumpMessageLoop());
CallOnForegroundThread(task3);
EXPECT_CALL(*task2, Run());
EXPECT_CALL(*task2, Die());
EXPECT_TRUE(PumpMessageLoop());
EXPECT_CALL(*task3, Run());
EXPECT_CALL(*task3, Die());
EXPECT_TRUE(PumpMessageLoop());
}
TEST_F(DefaultPlatformTestWithMockTime,
PendingDelayedTasksAreDestroyedOnShutdown) {
StrictMock<MockTask>* task = new StrictMock<MockTask>;
CallDelayedOnForegroundThread(task, 10);
EXPECT_CALL(*task, Die());
}
TEST_F(DefaultPlatformTestWithMockTime, RunIdleTasks) {
StrictMock<MockIdleTask>* task = new StrictMock<MockIdleTask>;
CallIdleOnForegroundThread(task);
EXPECT_CALL(*task, Run(42.0 + 23.0));
EXPECT_CALL(*task, Die());
platform()->IncreaseTime(23.0);
platform()->RunIdleTasks(isolate(), 42.0);
}
TEST_F(DefaultPlatformTestWithMockTime,
PendingIdleTasksAreDestroyedOnShutdown) {
StrictMock<MockIdleTask>* task = new StrictMock<MockIdleTask>;
CallIdleOnForegroundThread(task);
EXPECT_CALL(*task, Die());
}
namespace {
class TestBackgroundTask : public Task {
public:
explicit TestBackgroundTask(base::Semaphore* sem, bool* executed)
: sem_(sem), executed_(executed) {}
~TestBackgroundTask() override { Die(); }
MOCK_METHOD0(Die, void());
void Run() override {
*executed_ = true;
sem_->Signal();
}
private:
base::Semaphore* sem_;
bool* executed_;
};
} // namespace
TEST(CustomDefaultPlatformTest, RunBackgroundTask) {
DefaultPlatform platform;
platform.SetThreadPoolSize(1);
base::Semaphore sem(0);
bool task_executed = false;
StrictMock<TestBackgroundTask>* task =
new StrictMock<TestBackgroundTask>(&sem, &task_executed);
EXPECT_CALL(*task, Die());
platform.CallOnWorkerThread(std::unique_ptr<Task>(task));
EXPECT_TRUE(sem.WaitFor(base::TimeDelta::FromSeconds(1)));
EXPECT_TRUE(task_executed);
}
TEST(CustomDefaultPlatformTest, PostForegroundTaskAfterPlatformTermination) {
std::shared_ptr<TaskRunner> foreground_taskrunner;
{
DefaultPlatformWithMockTime platform;
int dummy;
Isolate* isolate = reinterpret_cast<Isolate*>(&dummy);
platform.SetThreadPoolSize(1);
foreground_taskrunner = platform.GetForegroundTaskRunner(isolate);
}
// It should still be possible to post foreground tasks, even when the
// platform does not exist anymore.
StrictMock<MockTask>* task1 = new StrictMock<MockTask>;
EXPECT_CALL(*task1, Die());
foreground_taskrunner->PostTask(std::unique_ptr<Task>(task1));
StrictMock<MockTask>* task2 = new StrictMock<MockTask>;
EXPECT_CALL(*task2, Die());
foreground_taskrunner->PostDelayedTask(std::unique_ptr<Task>(task2), 10);
StrictMock<MockIdleTask>* task3 = new StrictMock<MockIdleTask>;
EXPECT_CALL(*task3, Die());
foreground_taskrunner->PostIdleTask(std::unique_ptr<IdleTask>(task3));
}
} // namespace default_platform_unittest
} // namespace platform
} // namespace v8
|