| // Copyright 2013 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/command_line.h" |
| #include "base/memory/raw_ptr.h" |
| #include "content/public/test/render_view_test.h" |
| #include "gin/per_isolate_data.h" |
| #include "gin/public/wrappable_pointer_tags.h" |
| #include "gin/wrappable.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/public/common/switches.h" |
| #include "third_party/blink/public/web/web_local_frame.h" |
| #include "third_party/blink/public/web/web_view.h" |
| #include "v8/include/cppgc/allocation.h" |
| #include "v8/include/v8-context.h" |
| #include "v8/include/v8-cppgc.h" |
| |
| namespace content { |
| |
| namespace { |
| |
| class TestGinObject : public gin::Wrappable<TestGinObject> { |
| public: |
| static constexpr gin::WrapperInfo kWrapperInfo = {{gin::kEmbedderNativeGin}, |
| gin::kTestObject}; |
| |
| static void Create(v8::Isolate* isolate, bool* alive) { |
| auto* obj = cppgc::MakeGarbageCollected<TestGinObject>( |
| isolate->GetCppHeap()->GetAllocationHandle(), alive); |
| // We need to create a wrapper to keep it alive until the next GC. The local |
| // handle will be destroyed at the end of the scope, making the wrapper |
| // object eligible for GC. |
| obj->GetWrapper(isolate).ToLocalChecked(); |
| } |
| |
| TestGinObject(const TestGinObject&) = delete; |
| TestGinObject& operator=(const TestGinObject&) = delete; |
| |
| // Make public for cppgc::MakeGarbageCollected. |
| explicit TestGinObject(bool* alive) : alive_(alive) { *alive_ = true; } |
| ~TestGinObject() override { *alive_ = false; } |
| |
| private: |
| // gin::Wrappable |
| const gin::WrapperInfo* wrapper_info() const override { |
| return &kWrapperInfo; |
| } |
| |
| raw_ptr<bool> alive_; |
| }; |
| |
| class GinBrowserTest : public RenderViewTest { |
| public: |
| GinBrowserTest() = default; |
| |
| GinBrowserTest(const GinBrowserTest&) = delete; |
| GinBrowserTest& operator=(const GinBrowserTest&) = delete; |
| |
| ~GinBrowserTest() override {} |
| |
| void SetUp() override { |
| base::CommandLine::ForCurrentProcess()->AppendSwitchASCII( |
| blink::switches::kJavaScriptFlags, "--expose_gc"); |
| |
| RenderViewTest::SetUp(); |
| } |
| }; |
| |
| // Test that garbage collection doesn't crash if a gin-wrapped object is |
| // present. |
| TEST_F(GinBrowserTest, GinAndGarbageCollection) { |
| LoadHTML("<!doctype html>"); |
| |
| bool alive = false; |
| |
| { |
| v8::Isolate* isolate = Isolate(); |
| v8::HandleScope handle_scope(isolate); |
| v8::Context::Scope context_scope(GetMainFrame()->MainWorldScriptContext()); |
| |
| // We create the object inside a scope so it's not kept alive by a handle |
| // on the stack. |
| TestGinObject::Create(isolate, &alive); |
| } |
| |
| CHECK(alive); |
| |
| // Should not crash. |
| Isolate()->RequestGarbageCollectionForTesting( |
| v8::Isolate::kFullGarbageCollection, v8::StackState::kNoHeapPointers); |
| CHECK(!alive); |
| } |
| |
| } // namespace |
| |
| } // namespace content |
