|  | // Copyright 2015 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 "modules/presentation/PresentationAvailability.h" | 
|  |  | 
|  | #include "bindings/core/v8/ScriptPromiseResolver.h" | 
|  | #include "bindings/core/v8/V8BindingForTesting.h" | 
|  | #include "core/frame/LocalFrame.h" | 
|  | #include "core/page/Page.h" | 
|  | #include "core/testing/DummyPageHolder.h" | 
|  | #include "platform/testing/URLTestHelpers.h" | 
|  | #include "platform/weborigin/KURL.h" | 
|  | #include "testing/gtest/include/gtest/gtest.h" | 
|  | #include <v8.h> | 
|  |  | 
|  | namespace blink { | 
|  | namespace { | 
|  |  | 
|  | class PresentationAvailabilityTest : public ::testing::Test { | 
|  | public: | 
|  | PresentationAvailabilityTest() | 
|  | : m_scope(v8::Isolate::GetCurrent()) | 
|  | , m_page(DummyPageHolder::create()) | 
|  | { | 
|  | } | 
|  |  | 
|  | void SetUp() override | 
|  | { | 
|  | m_scope.getScriptState()->setExecutionContext(&m_page->document()); | 
|  | } | 
|  |  | 
|  | Page& page() { return m_page->page(); } | 
|  | LocalFrame& frame() { return m_page->frame(); } | 
|  | ScriptState* getScriptState() { return m_scope.getScriptState(); } | 
|  |  | 
|  | private: | 
|  | V8TestingScope m_scope; | 
|  | OwnPtr<DummyPageHolder> m_page; | 
|  | }; | 
|  |  | 
|  | TEST_F(PresentationAvailabilityTest, NoPageVisibilityChangeAfterDetach) | 
|  | { | 
|  | const KURL url = URLTestHelpers::toKURL("https://example.com"); | 
|  | Persistent<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(getScriptState()); | 
|  | Persistent<PresentationAvailability> availability = PresentationAvailability::take(resolver, url, false); | 
|  |  | 
|  | // These two calls should not crash. | 
|  | frame().detach(FrameDetachType::Remove); | 
|  | page().setVisibilityState(PageVisibilityStateHidden, false); | 
|  | } | 
|  |  | 
|  | } // anonymous namespace | 
|  | } // namespace blink |