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
|
// 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 "gin/public/v8_platform.h"
#include <atomic>
#include "base/test/task_environment.h"
#include "base/trace_event/trace_event.h"
#include "testing/gtest/include/gtest/gtest.h"
class TestTraceStateObserver
: public v8::TracingController::TraceStateObserver {
public:
void OnTraceEnabled() final { ++enabled_; }
void OnTraceDisabled() final { ++disabled_; }
int Enabled() { return enabled_; }
int Disabled() { return disabled_; }
private:
int enabled_ = 0;
int disabled_ = 0;
};
namespace gin {
TEST(V8PlatformTest, TraceStateObserverAPI) {
TestTraceStateObserver test_observer;
ASSERT_EQ(0, test_observer.Enabled());
ASSERT_EQ(0, test_observer.Disabled());
V8Platform::Get()->GetTracingController()->AddTraceStateObserver(
&test_observer);
base::trace_event::TraceLog::GetInstance()->SetEnabled(
base::trace_event::TraceConfig("*", ""),
base::trace_event::TraceLog::RECORDING_MODE);
ASSERT_EQ(1, test_observer.Enabled());
ASSERT_EQ(0, test_observer.Disabled());
base::trace_event::TraceLog::GetInstance()->SetDisabled();
ASSERT_EQ(1, test_observer.Enabled());
ASSERT_EQ(1, test_observer.Disabled());
V8Platform::Get()->GetTracingController()->RemoveTraceStateObserver(
&test_observer);
base::trace_event::TraceLog::GetInstance()->SetEnabled(
base::trace_event::TraceConfig("*", ""),
base::trace_event::TraceLog::RECORDING_MODE);
base::trace_event::TraceLog::GetInstance()->SetDisabled();
ASSERT_EQ(1, test_observer.Enabled());
ASSERT_EQ(1, test_observer.Disabled());
}
TEST(V8PlatformTest, TraceStateObserverFired) {
TestTraceStateObserver test_observer;
ASSERT_EQ(0, test_observer.Enabled());
ASSERT_EQ(0, test_observer.Disabled());
base::trace_event::TraceLog::GetInstance()->SetEnabled(
base::trace_event::TraceConfig("*", ""),
base::trace_event::TraceLog::RECORDING_MODE);
V8Platform::Get()->GetTracingController()->AddTraceStateObserver(
&test_observer);
ASSERT_EQ(1, test_observer.Enabled());
ASSERT_EQ(0, test_observer.Disabled());
}
// Tests that PostJob runs a task and is done after Join.
TEST(V8PlatformTest, PostJobSimple) {
base::test::TaskEnvironment task_environment;
std::atomic_size_t num_tasks_to_run(4);
class Task : public v8::JobTask {
public:
explicit Task(std::atomic_size_t* num_tasks_to_run)
: num_tasks_to_run(num_tasks_to_run) {}
void Run(v8::JobDelegate* delegate) override { --(*num_tasks_to_run); }
size_t GetMaxConcurrency() const override { return *num_tasks_to_run; }
std::atomic_size_t* num_tasks_to_run;
};
auto handle =
V8Platform::Get()->PostJob(v8::TaskPriority::kUserVisible,
std::make_unique<Task>(&num_tasks_to_run));
EXPECT_TRUE(handle->IsRunning());
handle->Join();
EXPECT_FALSE(handle->IsRunning());
DCHECK_EQ(num_tasks_to_run, 0U);
}
} // namespace gin
|
