Ensure RemoteFontFaceSource doesn't try to start a load in a detached document

third_party/WebKit/Source/core/fetch/ResourceFetcherTest.cpp

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 24 matching lines @@
 #include "core/fetch/FetchRequest.h"
 #include "core/fetch/MemoryCache.h"
 #include "core/fetch/RawResource.h"
 #include "core/fetch/ResourceLoader.h"
 #include "platform/exported/WrappedResourceResponse.h"
 #include "platform/heap/Handle.h"
 #include "platform/network/ResourceRequest.h"
 #include "platform/testing/URLTestHelpers.h"
 #include "platform/weborigin/KURL.h"
 #include "public/platform/Platform.h"
+#include "public/platform/WebTaskRunner.h"
 #include "public/platform/WebURLLoaderMockFactory.h"
 #include "public/platform/WebURLResponse.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace blink {
 
+namespace {
+
+class MockTaskRunner : public blink::WebTaskRunner {
+    void postTask(const WebTraceLocation&, Task*) override { }
+    void postDelayedTask(const WebTraceLocation&, Task*, double) override { }
+    WebTaskRunner* clone() override { return nullptr; }
+    double virtualTimeSeconds() const override { return 0.0; }
+    double monotonicallyIncreasingVirtualTimeSeconds() const override { return 0.0; }
+};
+
+}
+
 class ResourceFetcherTestMockFetchContext : public FetchContext {
 public:
     static ResourceFetcherTestMockFetchContext* create()
     {
         return new ResourceFetcherTestMockFetchContext;
     }
 
     virtual ~ResourceFetcherTestMockFetchContext() { }
 
     bool allowImage(bool imagesEnabled, const KURL&) const override { return true; }
     bool canRequest(Resource::Type, const ResourceRequest&, const KURL&, const ResourceLoaderOptions&, bool forPreload, FetchRequest::OriginRestriction) const override { return true; }
     bool shouldLoadNewResource(Resource::Type) const override { return true; }
+    WebTaskRunner* loadingTaskRunner() const override { return m_runner.get(); }
 
     void setCachePolicy(CachePolicy policy) { m_policy = policy; }
     CachePolicy getCachePolicy() const override { return m_policy; }
 
 private:
     ResourceFetcherTestMockFetchContext()
         : m_policy(CachePolicyVerify)
+        , m_runner(adoptPtr(new MockTaskRunner))
     { }
 
     CachePolicy m_policy;
+    OwnPtr<MockTaskRunner> m_runner;
 };
 
 class ResourceFetcherTest : public ::testing::Test {
 };
 
 class TestResourceFactory : public ResourceFactory {
 public:
     TestResourceFactory(Resource::Type type = Resource::Raw)
         : ResourceFactory(type) { }
 
     Resource* create(const ResourceRequest& request, const ResourceLoaderOptions& options, const String& charset) const override
     {
         return Resource::create(request, type(), options);
     }
 };
 
 TEST_F(ResourceFetcherTest, StartLoadAfterFrameDetach)
 {
     KURL secureURL(ParsedURLString, "https://secureorigin.test/image.png");
     // Try to request a url. The request should fail, no resource should be returned,
     // and no resource should be present in the cache.
     ResourceFetcher* fetcher = ResourceFetcher::create(nullptr);
     FetchRequest fetchRequest = FetchRequest(ResourceRequest(secureURL), FetchInitiatorInfo());
     Resource* resource = fetcher->requestResource(fetchRequest, TestResourceFactory());
     EXPECT_EQ(resource, static_cast<Resource*>(nullptr));
     EXPECT_EQ(memoryCache()->resourceForURL(secureURL), static_cast<Resource*>(nullptr));
+
+    // Try calling Resource::load directly. This shouldn't crash.
+    Resource* resource2 = Resource::create(secureURL, Resource::Raw);
+    resource2->load(fetcher);
 }
 
 TEST_F(ResourceFetcherTest, UseExistingResource)
 {
     ResourceFetcher* fetcher = ResourceFetcher::create(ResourceFetcherTestMockFetchContext::create());
 
     KURL url(ParsedURLString, "http://127.0.0.1:8000/foo.html");
     Resource* resource = Resource::create(url, Resource::Image);
     memoryCache()->add(resource);
     ResourceResponse response;
@@ skipping 165 matching lines @@
     ResourceFetcher* fetcher = ResourceFetcher::create(ResourceFetcherTestMockFetchContext::create());
     FetchRequest fetchRequest = FetchRequest(url, FetchInitiatorInfo());
     Resource* resource = fetcher->requestResource(fetchRequest, TestResourceFactory(Resource::Raw));
     ServeRequestsOnCompleteClient client;
     resource->addClient(&client);
     resource->loader()->cancel();
     Platform::current()->getURLLoaderMockFactory()->unregisterURL(url);
 }
 
 } // namespace blink