Optimize posting of WTF::Closure and improve scheduler test mocks

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 20 matching lines @@
 #include "core/fetch/ImageResource.h"
 
 #include "core/fetch/MemoryCache.h"
 #include "core/fetch/MockResourceClients.h"
 #include "core/fetch/ResourceFetcher.h"
 #include "core/fetch/ResourceLoader.h"
 #include "core/fetch/UniqueIdentifier.h"
 #include "platform/SharedBuffer.h"
 #include "platform/exported/WrappedResourceResponse.h"
 #include "platform/graphics/Image.h"
+#include "platform/scheduler/test/fake_web_task_runner.h"
 #include "platform/testing/URLTestHelpers.h"
 #include "platform/testing/UnitTestHelpers.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebURL.h"
 #include "public/platform/WebURLLoaderMockFactory.h"
 #include "public/platform/WebURLResponse.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "wtf/PtrUtil.h"
 #include <memory>
 
@@ skipping 94 matching lines @@
 {
     ResourceResponse response;
     response.setURL(url);
     response.setHTTPStatusCode(200);
     response.setMimeType(mimeType);
     imageResource->responseReceived(response, nullptr);
     imageResource->appendData(reinterpret_cast<const char*>(data.data()), data.size());
     imageResource->finish();
 }
 
-class MockTaskRunner : public blink::WebTaskRunner {
-    void postTask(const WebTraceLocation&, Task*) override { }
-    void postDelayedTask(const WebTraceLocation&, Task*, double) override { }
-    bool runsTasksOnCurrentThread() override { return true; }
-    std::unique_ptr<WebTaskRunner> clone() override { return nullptr; }
-    double virtualTimeSeconds() const override { return 0.0; }
-    double monotonicallyIncreasingVirtualTimeSeconds() const override { return 0.0; }
-    SingleThreadTaskRunner* taskRunner() override { return nullptr; }
-};
-
 }
 
 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(wrapUnique(new MockTaskRunner))
+        :  m_runner(wrapUnique(new scheduler::FakeWebTaskRunner))
     { }
 
-    std::unique_ptr<MockTaskRunner> m_runner;
+    std::unique_ptr<scheduler::FakeWebTaskRunner> m_runner;
 };
 
 TEST(ImageResourceTest, MultipartImage)
 {
     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));
@@ skipping 443 matching lines @@
     ImageResource* cachedImage = ImageResource::fetch(request, fetcher);
     Platform::current()->getURLLoaderMockFactory()->unregisterURL(testURL);
 
     cachedImage->loader()->didReceiveResponse(nullptr, WrappedResourceResponse(ResourceResponse(testURL, "image/jpeg", 18, nullAtom, String())), nullptr);
     cachedImage->loader()->didReceiveData(nullptr, "notactuallyanimage", 18, 18, 18);
     EXPECT_EQ(Resource::DecodeError, cachedImage->getStatus());
     EXPECT_FALSE(cachedImage->isLoading());
 }
 
 } // namespace blink