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

third_party/WebKit/Source/core/fetch/ImageResourceTest.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 62 matching lines @@
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xc4, 0x00, 0x14, 0x11,
         0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0xff, 0xda, 0x00, 0x0c, 0x03, 0x01, 0x00, 0x02, 0x11, 0x03, 0x11, 0x00, 0x3f,
         0x00, 0xb2, 0xc0, 0x07, 0xff, 0xd9
     };
 
     jpeg.append(data, sizeof(data));
     return jpeg;
 }
 
+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 ImageResourceTestMockFetchContext : public FetchContext {
+public:
+    static ImageResourceTestMockFetchContext* create()
+    {
+        return new ImageResourceTestMockFetchContext;
+    }
+
+    virtual ~ImageResourceTestMockFetchContext() { }
+
+    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(); }
+
+private:
+    ImageResourceTestMockFetchContext()
+        :  m_runner(adoptPtr(new MockTaskRunner))
+    { }
+
+    OwnPtr<MockTaskRunner> m_runner;
+};
+
 TEST(ImageResourceTest, MultipartImage)
 {
-    ResourceFetcher* fetcher = ResourceFetcher::create(nullptr);
+    ResourceFetcher* fetcher = ResourceFetcher::create(ImageResourceTestMockFetchContext::create());
     KURL testURL(ParsedURLString, "http://www.test.com/cancelTest.html");
     URLTestHelpers::registerMockedURLLoad(testURL, "cancelTest.html", "text/html");
 
     // Emulate starting a real load, but don't expect any "real" WebURLLoaderClient callbacks.
     ImageResource* cachedImage = ImageResource::create(ResourceRequest(testURL));
     cachedImage->setIdentifier(createUniqueIdentifier());
     cachedImage->load(fetcher);
     Platform::current()->getURLLoaderMockFactory()->unregisterURL(testURL);
 
     MockImageResourceClient client(cachedImage);
@@ skipping 45 matching lines @@
     ASSERT_EQ(cachedImage->getImage()->height(), 1);
     ASSERT_EQ(client.imageChangedCount(), 1);
     ASSERT_TRUE(client.notifyFinishedCalled());
 }
 
 TEST(ImageResourceTest, CancelOnDetach)
 {
     KURL testURL(ParsedURLString, "http://www.test.com/cancelTest.html");
     URLTestHelpers::registerMockedURLLoad(testURL, "cancelTest.html", "text/html");
 
-    ResourceFetcher* fetcher = ResourceFetcher::create(nullptr);
+    ResourceFetcher* fetcher = ResourceFetcher::create(ImageResourceTestMockFetchContext::create());
 
     // Emulate starting a real load.
     ImageResource* cachedImage = ImageResource::create(ResourceRequest(testURL));
     cachedImage->setIdentifier(createUniqueIdentifier());
 
     cachedImage->load(fetcher);
     memoryCache()->add(cachedImage);
 
     MockImageResourceClient client(cachedImage);
     EXPECT_EQ(Resource::Pending, cachedImage->getStatus());
@@ skipping 65 matching lines @@
 }
 
 TEST(ImageResourceTest, ReloadIfLoFi)
 {
     KURL testURL(ParsedURLString, "http://www.test.com/cancelTest.html");
     URLTestHelpers::registerMockedURLLoad(testURL, "cancelTest.html", "text/html");
     ImageResource* cachedImage = ImageResource::create(ResourceRequest(testURL));
     cachedImage->setStatus(Resource::Pending);
 
     MockImageResourceClient client(cachedImage);
-    ResourceFetcher* fetcher = ResourceFetcher::create(nullptr);
+    ResourceFetcher* fetcher = ResourceFetcher::create(ImageResourceTestMockFetchContext::create());
 
     // Send the image response.
     Vector<unsigned char> jpeg = jpegImage();
     ResourceResponse resourceResponse(KURL(), "image/jpeg", jpeg.size(), nullAtom, String());
     resourceResponse.addHTTPHeaderField("chrome-proxy", "q=low");
 
     cachedImage->responseReceived(resourceResponse, nullptr);
     cachedImage->appendData(reinterpret_cast<const char*>(jpeg.data()), jpeg.size());
     cachedImage->finish();
     ASSERT_FALSE(cachedImage->errorOccurred());
@@ skipping 13 matching lines @@
     cachedImage->appendData(reinterpret_cast<const char*>(jpeg.data()), jpeg.size());
     cachedImage->finish();
     ASSERT_FALSE(cachedImage->errorOccurred());
     ASSERT_TRUE(cachedImage->hasImage());
     ASSERT_FALSE(cachedImage->getImage()->isNull());
     ASSERT_TRUE(client.notifyFinishedCalled());
     ASSERT_TRUE(cachedImage->getImage()->isBitmapImage());
 }
 
 } // namespace blink