lpy | 48e4c32 | 2017-01-27 18:22:34 | [diff] [blame] | 1 | // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "gin/public/v8_platform.h" |
| 6 | |
Etienne Pierre-doray | 9caa721e | 2020-05-19 15:22:22 | [diff] [blame] | 7 | #include <atomic> |
| 8 | |
Etienne Pierre-doray | 2e0c74cf | 2020-12-03 15:17:18 | [diff] [blame] | 9 | #include "base/barrier_closure.h" |
Etienne Pierre-doray | 9caa721e | 2020-05-19 15:22:22 | [diff] [blame] | 10 | #include "base/test/task_environment.h" |
Etienne Pierre-doray | 2e0c74cf | 2020-12-03 15:17:18 | [diff] [blame] | 11 | #include "base/test/test_waitable_event.h" |
lpy | 48e4c32 | 2017-01-27 18:22:34 | [diff] [blame] | 12 | #include "base/trace_event/trace_event.h" |
| 13 | #include "testing/gtest/include/gtest/gtest.h" |
| 14 | |
| 15 | class TestTraceStateObserver |
Nico Weber | 43ddd7a3 | 2017-08-15 19:19:27 | [diff] [blame] | 16 | : public v8::TracingController::TraceStateObserver { |
lpy | 48e4c32 | 2017-01-27 18:22:34 | [diff] [blame] | 17 | public: |
| 18 | void OnTraceEnabled() final { ++enabled_; } |
| 19 | void OnTraceDisabled() final { ++disabled_; } |
| 20 | int Enabled() { return enabled_; } |
| 21 | int Disabled() { return disabled_; } |
| 22 | |
| 23 | private: |
| 24 | int enabled_ = 0; |
| 25 | int disabled_ = 0; |
| 26 | }; |
| 27 | |
| 28 | namespace gin { |
| 29 | |
| 30 | TEST(V8PlatformTest, TraceStateObserverAPI) { |
Jeremy Roman | 367b060 | 2018-06-12 14:33:02 | [diff] [blame] | 31 | TestTraceStateObserver test_observer; |
| 32 | ASSERT_EQ(0, test_observer.Enabled()); |
| 33 | ASSERT_EQ(0, test_observer.Disabled()); |
lpy | 48e4c32 | 2017-01-27 18:22:34 | [diff] [blame] | 34 | |
Jochen Eisinger | b896fd8 | 2017-07-07 09:00:51 | [diff] [blame] | 35 | V8Platform::Get()->GetTracingController()->AddTraceStateObserver( |
Jeremy Roman | 367b060 | 2018-06-12 14:33:02 | [diff] [blame] | 36 | &test_observer); |
lpy | 48e4c32 | 2017-01-27 18:22:34 | [diff] [blame] | 37 | base::trace_event::TraceLog::GetInstance()->SetEnabled( |
| 38 | base::trace_event::TraceConfig("*", ""), |
| 39 | base::trace_event::TraceLog::RECORDING_MODE); |
Jeremy Roman | 367b060 | 2018-06-12 14:33:02 | [diff] [blame] | 40 | ASSERT_EQ(1, test_observer.Enabled()); |
| 41 | ASSERT_EQ(0, test_observer.Disabled()); |
lpy | 48e4c32 | 2017-01-27 18:22:34 | [diff] [blame] | 42 | base::trace_event::TraceLog::GetInstance()->SetDisabled(); |
Jeremy Roman | 367b060 | 2018-06-12 14:33:02 | [diff] [blame] | 43 | ASSERT_EQ(1, test_observer.Enabled()); |
| 44 | ASSERT_EQ(1, test_observer.Disabled()); |
lpy | 48e4c32 | 2017-01-27 18:22:34 | [diff] [blame] | 45 | |
Jochen Eisinger | b896fd8 | 2017-07-07 09:00:51 | [diff] [blame] | 46 | V8Platform::Get()->GetTracingController()->RemoveTraceStateObserver( |
Jeremy Roman | 367b060 | 2018-06-12 14:33:02 | [diff] [blame] | 47 | &test_observer); |
lpy | 48e4c32 | 2017-01-27 18:22:34 | [diff] [blame] | 48 | base::trace_event::TraceLog::GetInstance()->SetEnabled( |
| 49 | base::trace_event::TraceConfig("*", ""), |
| 50 | base::trace_event::TraceLog::RECORDING_MODE); |
| 51 | base::trace_event::TraceLog::GetInstance()->SetDisabled(); |
Jeremy Roman | 367b060 | 2018-06-12 14:33:02 | [diff] [blame] | 52 | ASSERT_EQ(1, test_observer.Enabled()); |
| 53 | ASSERT_EQ(1, test_observer.Disabled()); |
lpy | 48e4c32 | 2017-01-27 18:22:34 | [diff] [blame] | 54 | } |
| 55 | |
| 56 | TEST(V8PlatformTest, TraceStateObserverFired) { |
Jeremy Roman | 367b060 | 2018-06-12 14:33:02 | [diff] [blame] | 57 | TestTraceStateObserver test_observer; |
| 58 | ASSERT_EQ(0, test_observer.Enabled()); |
| 59 | ASSERT_EQ(0, test_observer.Disabled()); |
lpy | 48e4c32 | 2017-01-27 18:22:34 | [diff] [blame] | 60 | |
| 61 | base::trace_event::TraceLog::GetInstance()->SetEnabled( |
| 62 | base::trace_event::TraceConfig("*", ""), |
| 63 | base::trace_event::TraceLog::RECORDING_MODE); |
Jochen Eisinger | b896fd8 | 2017-07-07 09:00:51 | [diff] [blame] | 64 | V8Platform::Get()->GetTracingController()->AddTraceStateObserver( |
Jeremy Roman | 367b060 | 2018-06-12 14:33:02 | [diff] [blame] | 65 | &test_observer); |
| 66 | ASSERT_EQ(1, test_observer.Enabled()); |
| 67 | ASSERT_EQ(0, test_observer.Disabled()); |
lpy | 48e4c32 | 2017-01-27 18:22:34 | [diff] [blame] | 68 | } |
| 69 | |
Etienne Pierre-doray | 9caa721e | 2020-05-19 15:22:22 | [diff] [blame] | 70 | // Tests that PostJob runs a task and is done after Join. |
| 71 | TEST(V8PlatformTest, PostJobSimple) { |
| 72 | base::test::TaskEnvironment task_environment; |
| 73 | std::atomic_size_t num_tasks_to_run(4); |
| 74 | class Task : public v8::JobTask { |
| 75 | public: |
| 76 | explicit Task(std::atomic_size_t* num_tasks_to_run) |
| 77 | : num_tasks_to_run(num_tasks_to_run) {} |
| 78 | void Run(v8::JobDelegate* delegate) override { --(*num_tasks_to_run); } |
Etienne Pierre-doray | 5bbb5dd | 2020-08-26 15:14:30 | [diff] [blame] | 79 | |
Etienne Pierre-doray | 5bbb5dd | 2020-08-26 15:14:30 | [diff] [blame] | 80 | size_t GetMaxConcurrency(size_t /* worker_count*/) const override { |
Etienne Pierre-doray | f5a7312 | 2020-09-14 14:17:46 | [diff] [blame] | 81 | return *num_tasks_to_run; |
Etienne Pierre-doray | 5bbb5dd | 2020-08-26 15:14:30 | [diff] [blame] | 82 | } |
Etienne Pierre-doray | 9caa721e | 2020-05-19 15:22:22 | [diff] [blame] | 83 | |
| 84 | std::atomic_size_t* num_tasks_to_run; |
| 85 | }; |
| 86 | auto handle = |
| 87 | V8Platform::Get()->PostJob(v8::TaskPriority::kUserVisible, |
| 88 | std::make_unique<Task>(&num_tasks_to_run)); |
Etienne Pierre-doray | 2e0c74cf | 2020-12-03 15:17:18 | [diff] [blame] | 89 | EXPECT_TRUE(handle->IsValid()); |
Etienne Pierre-doray | 9caa721e | 2020-05-19 15:22:22 | [diff] [blame] | 90 | handle->Join(); |
Etienne Pierre-doray | 2e0c74cf | 2020-12-03 15:17:18 | [diff] [blame] | 91 | EXPECT_FALSE(handle->IsValid()); |
Etienne Pierre-doray | 9caa721e | 2020-05-19 15:22:22 | [diff] [blame] | 92 | DCHECK_EQ(num_tasks_to_run, 0U); |
| 93 | } |
| 94 | |
Etienne Pierre-doray | 2e0c74cf | 2020-12-03 15:17:18 | [diff] [blame] | 95 | // Tests that JobTask's lifetime is extended beyond job handle, until no |
| 96 | // references are left; and is gracefully destroyed. |
| 97 | TEST(V8PlatformTest, PostJobLifetime) { |
| 98 | std::atomic_size_t num_tasks_to_run(4); |
| 99 | |
| 100 | base::TestWaitableEvent threads_running; |
| 101 | base::TestWaitableEvent threads_continue; |
| 102 | base::RepeatingClosure threads_running_barrier = base::BarrierClosure( |
| 103 | num_tasks_to_run, |
| 104 | BindOnce(&base::TestWaitableEvent::Signal, Unretained(&threads_running))); |
| 105 | |
| 106 | class Task : public v8::JobTask { |
| 107 | public: |
| 108 | explicit Task(std::atomic_size_t* num_tasks_to_run, |
| 109 | base::RepeatingClosure threads_running_barrier, |
| 110 | base::TestWaitableEvent* threads_continue) |
| 111 | : num_tasks_to_run_(num_tasks_to_run), |
| 112 | threads_running_barrier_(std::move(threads_running_barrier)), |
| 113 | threads_continue_(threads_continue) {} |
| 114 | ~Task() override { |
| 115 | // This should only be destroyed once all workers returned. |
| 116 | EXPECT_EQ(*num_tasks_to_run_, 0U); |
| 117 | } |
| 118 | |
| 119 | void Run(v8::JobDelegate* delegate) override { |
| 120 | threads_running_barrier_.Run(); |
| 121 | threads_continue_->Wait(); |
| 122 | --(*num_tasks_to_run_); |
| 123 | } |
| 124 | |
| 125 | size_t GetMaxConcurrency(size_t /* worker_count*/) const override { |
| 126 | return *num_tasks_to_run_; |
| 127 | } |
| 128 | |
| 129 | std::atomic_size_t* num_tasks_to_run_; |
| 130 | base::RepeatingClosure threads_running_barrier_; |
| 131 | base::TestWaitableEvent* threads_continue_; |
| 132 | }; |
| 133 | |
| 134 | base::test::TaskEnvironment task_environment; |
| 135 | |
| 136 | auto handle = V8Platform::Get()->PostJob( |
| 137 | v8::TaskPriority::kUserVisible, |
| 138 | std::make_unique<Task>(&num_tasks_to_run, |
| 139 | std::move(threads_running_barrier), |
| 140 | &threads_continue)); |
| 141 | EXPECT_TRUE(handle->IsValid()); |
| 142 | threads_running.Wait(); |
| 143 | handle->CancelAndDetach(); |
| 144 | handle.reset(); |
| 145 | |
| 146 | // Release workers and let the job get destroyed. |
| 147 | threads_continue.Signal(); |
| 148 | } |
| 149 | |
lpy | 48e4c32 | 2017-01-27 18:22:34 | [diff] [blame] | 150 | } // namespace gin |