| // 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 "third_party/blink/renderer/modules/webaudio/audio_worklet_thread.h" |
| |
| #include <memory> |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/public/platform/platform.h" |
| #include "third_party/blink/public/platform/web_url_request.h" |
| #include "third_party/blink/renderer/bindings/core/v8/script_module.h" |
| #include "third_party/blink/renderer/bindings/core/v8/script_source_code.h" |
| #include "third_party/blink/renderer/bindings/core/v8/source_location.h" |
| #include "third_party/blink/renderer/bindings/core/v8/v8_cache_options.h" |
| #include "third_party/blink/renderer/bindings/core/v8/v8_gc_controller.h" |
| #include "third_party/blink/renderer/bindings/core/v8/worker_or_worklet_script_controller.h" |
| #include "third_party/blink/renderer/core/inspector/console_message.h" |
| #include "third_party/blink/renderer/core/origin_trials/origin_trial_context.h" |
| #include "third_party/blink/renderer/core/testing/page_test_base.h" |
| #include "third_party/blink/renderer/core/workers/global_scope_creation_params.h" |
| #include "third_party/blink/renderer/core/workers/worker_backing_thread.h" |
| #include "third_party/blink/renderer/core/workers/worker_inspector_proxy.h" |
| #include "third_party/blink/renderer/core/workers/worker_or_worklet_global_scope.h" |
| #include "third_party/blink/renderer/core/workers/worker_reporting_proxy.h" |
| #include "third_party/blink/renderer/core/workers/worklet_module_responses_map.h" |
| #include "third_party/blink/renderer/platform/cross_thread_functional.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/access_control_status.h" |
| #include "third_party/blink/renderer/platform/loader/fetch/resource_loader_options.h" |
| #include "third_party/blink/renderer/platform/testing/testing_platform_support.h" |
| #include "third_party/blink/renderer/platform/testing/unit_test_helpers.h" |
| #include "third_party/blink/renderer/platform/waitable_event.h" |
| #include "third_party/blink/renderer/platform/web_thread_supporting_gc.h" |
| #include "third_party/blink/renderer/platform/wtf/text/text_position.h" |
| |
| namespace blink { |
| |
| class AudioWorkletThreadTest : public PageTestBase { |
| public: |
| void SetUp() override { |
| AudioWorkletThread::CreateSharedBackingThreadForTest(); |
| PageTestBase::SetUp(IntSize()); |
| Document* document = &GetDocument(); |
| document->SetURL(KURL("https://example.com/")); |
| document->UpdateSecurityOrigin(SecurityOrigin::Create(document->Url())); |
| reporting_proxy_ = std::make_unique<WorkerReportingProxy>(); |
| } |
| |
| std::unique_ptr<AudioWorkletThread> CreateAudioWorkletThread() { |
| std::unique_ptr<AudioWorkletThread> thread = |
| AudioWorkletThread::Create(nullptr, *reporting_proxy_); |
| Document* document = &GetDocument(); |
| thread->Start( |
| std::make_unique<GlobalScopeCreationParams>( |
| document->Url(), document->UserAgent(), |
| nullptr /* content_security_policy_parsed_headers */, |
| document->GetReferrerPolicy(), document->GetSecurityOrigin(), |
| document->IsSecureContext(), nullptr /* worker_clients */, |
| document->AddressSpace(), |
| OriginTrialContext::GetTokens(document).get(), |
| base::UnguessableToken::Create(), nullptr /* worker_settings */, |
| kV8CacheOptionsDefault, |
| new WorkletModuleResponsesMap(document->Fetcher())), |
| WTF::nullopt, WorkerInspectorProxy::PauseOnWorkerStart::kDontPause, |
| ParentExecutionContextTaskRunners::Create()); |
| return thread; |
| } |
| |
| // Attempts to run some simple script for |thread|. |
| void CheckWorkletCanExecuteScript(WorkerThread* thread) { |
| WaitableEvent wait_event; |
| thread->GetWorkerBackingThread().BackingThread().PostTask( |
| FROM_HERE, |
| CrossThreadBind(&AudioWorkletThreadTest::ExecuteScriptInWorklet, |
| CrossThreadUnretained(this), |
| CrossThreadUnretained(thread), |
| CrossThreadUnretained(&wait_event))); |
| wait_event.Wait(); |
| } |
| |
| private: |
| void ExecuteScriptInWorklet(WorkerThread* thread, WaitableEvent* wait_event) { |
| ScriptState* script_state = |
| thread->GlobalScope()->ScriptController()->GetScriptState(); |
| EXPECT_TRUE(script_state); |
| ScriptState::Scope scope(script_state); |
| KURL js_url("https://example.com/worklet.js"); |
| ScriptModule module = ScriptModule::Compile( |
| script_state->GetIsolate(), "var counter = 0; ++counter;", js_url, |
| js_url, ScriptFetchOptions(), kSharableCrossOrigin, |
| TextPosition::MinimumPosition(), ASSERT_NO_EXCEPTION); |
| EXPECT_FALSE(module.IsNull()); |
| ScriptValue exception = module.Instantiate(script_state); |
| EXPECT_TRUE(exception.IsEmpty()); |
| ScriptValue value = module.Evaluate(script_state); |
| EXPECT_TRUE(value.IsEmpty()); |
| wait_event->Signal(); |
| } |
| |
| std::unique_ptr<WorkerReportingProxy> reporting_proxy_; |
| }; |
| |
| TEST_F(AudioWorkletThreadTest, Basic) { |
| std::unique_ptr<AudioWorkletThread> worklet = CreateAudioWorkletThread(); |
| CheckWorkletCanExecuteScript(worklet.get()); |
| worklet->Terminate(); |
| worklet->WaitForShutdownForTesting(); |
| } |
| |
| // Tests that the same WebThread is used for new worklets if the WebThread is |
| // still alive. |
| TEST_F(AudioWorkletThreadTest, CreateSecondAndTerminateFirst) { |
| // Create the first worklet and wait until it is initialized. |
| std::unique_ptr<AudioWorkletThread> first_worklet = |
| CreateAudioWorkletThread(); |
| WebThreadSupportingGC* first_thread = |
| &first_worklet->GetWorkerBackingThread().BackingThread(); |
| CheckWorkletCanExecuteScript(first_worklet.get()); |
| v8::Isolate* first_isolate = first_worklet->GetIsolate(); |
| ASSERT_TRUE(first_isolate); |
| |
| // Create the second worklet and immediately destroy the first worklet. |
| std::unique_ptr<AudioWorkletThread> second_worklet = |
| CreateAudioWorkletThread(); |
| // We don't use terminateAndWait here to avoid forcible termination. |
| first_worklet->Terminate(); |
| first_worklet->WaitForShutdownForTesting(); |
| |
| // Wait until the second worklet is initialized. Verify that the second |
| // worklet is using the same thread and Isolate as the first worklet. |
| WebThreadSupportingGC* second_thread = |
| &second_worklet->GetWorkerBackingThread().BackingThread(); |
| ASSERT_EQ(first_thread, second_thread); |
| |
| v8::Isolate* second_isolate = second_worklet->GetIsolate(); |
| ASSERT_TRUE(second_isolate); |
| EXPECT_EQ(first_isolate, second_isolate); |
| |
| // Verify that the worklet can still successfully execute script. |
| CheckWorkletCanExecuteScript(second_worklet.get()); |
| |
| second_worklet->Terminate(); |
| second_worklet->WaitForShutdownForTesting(); |
| } |
| |
| // Tests that a new WebThread is created if all existing worklets are |
| // terminated before a new worklet is created. |
| TEST_F(AudioWorkletThreadTest, TerminateFirstAndCreateSecond) { |
| // Create the first worklet, wait until it is initialized, and terminate it. |
| std::unique_ptr<AudioWorkletThread> worklet = CreateAudioWorkletThread(); |
| WebThreadSupportingGC* first_thread = |
| &worklet->GetWorkerBackingThread().BackingThread(); |
| CheckWorkletCanExecuteScript(worklet.get()); |
| |
| // We don't use terminateAndWait here to avoid forcible termination. |
| worklet->Terminate(); |
| worklet->WaitForShutdownForTesting(); |
| |
| // Create the second worklet. The backing thread is same. |
| worklet = CreateAudioWorkletThread(); |
| WebThreadSupportingGC* second_thread = |
| &worklet->GetWorkerBackingThread().BackingThread(); |
| EXPECT_EQ(first_thread, second_thread); |
| CheckWorkletCanExecuteScript(worklet.get()); |
| |
| worklet->Terminate(); |
| worklet->WaitForShutdownForTesting(); |
| } |
| |
| // Tests that v8::Isolate and WebThread are correctly set-up if a worklet is |
| // created while another is terminating. |
| TEST_F(AudioWorkletThreadTest, CreatingSecondDuringTerminationOfFirst) { |
| std::unique_ptr<AudioWorkletThread> first_worklet = |
| CreateAudioWorkletThread(); |
| CheckWorkletCanExecuteScript(first_worklet.get()); |
| v8::Isolate* first_isolate = first_worklet->GetIsolate(); |
| ASSERT_TRUE(first_isolate); |
| |
| // Request termination of the first worklet and create the second worklet |
| // as soon as possible. We don't wait for its termination. |
| // Note: We rely on the assumption that the termination steps don't run |
| // on the worklet thread so quickly. This could be a source of flakiness. |
| first_worklet->Terminate(); |
| std::unique_ptr<AudioWorkletThread> second_worklet = |
| CreateAudioWorkletThread(); |
| |
| v8::Isolate* second_isolate = second_worklet->GetIsolate(); |
| ASSERT_TRUE(second_isolate); |
| EXPECT_EQ(first_isolate, second_isolate); |
| |
| // Verify that the isolate can run some scripts correctly in the second |
| // worklet. |
| CheckWorkletCanExecuteScript(second_worklet.get()); |
| second_worklet->Terminate(); |
| second_worklet->WaitForShutdownForTesting(); |
| } |
| |
| } // namespace blink |