C++ (Cpp) CSSStyleSheetResource Examples

Example #1

File: CSSPreloadScannerTest.cpp Project: mirror/chromium

// Regression test for crbug.com/645331, where a resource client gets callbacks
// after the document is shutdown and we have no frame.
TEST_F(CSSPreloadScannerTest, DoNotExpectValidDocument) {
  std::unique_ptr<DummyPageHolder> dummyPageHolder =
      DummyPageHolder::create(IntSize(500, 500));
  dummyPageHolder->document().settings()->setCSSExternalScannerNoPreload(true);

  HTMLResourcePreloader* preloader =
      HTMLResourcePreloader::create(dummyPageHolder->document());

  KURL url(ParsedURLString, "http://127.0.0.1/foo.css");
  CSSStyleSheetResource* resource =
      CSSStyleSheetResource::createForTest(ResourceRequest(url), "utf-8");
  resource->setStatus(Resource::Pending);

  PreloadSuppressingCSSPreloaderResourceClient* resourceClient =
      new PreloadSuppressingCSSPreloaderResourceClient(resource, preloader);

  dummyPageHolder->document().shutdown();

  const char* data = "@import url('http://127.0.0.1/preload.css');";
  resource->appendData(data, strlen(data));

  EXPECT_EQ(1u, resourceClient->m_preloads.size());
  EXPECT_EQ("http://127.0.0.1/preload.css",
            resourceClient->m_preloads.first()->resourceURL());
}

Example #2

// Regression test for crbug.com/645331, where a resource client gets callbacks
// after the document is shutdown and we have no frame.
TEST_F(CSSPreloadScannerTest, DoNotExpectValidDocument) {
  std::unique_ptr<DummyPageHolder> dummyPageHolder =
      DummyPageHolder::create(IntSize(500, 500));
  dummyPageHolder->document().settings()->setCSSExternalScannerNoPreload(true);

  MockHTMLResourcePreloader* preloader =
      new MockHTMLResourcePreloader(dummyPageHolder->document());

  KURL url(ParsedURLString, "http://127.0.0.1/foo.css");
  CSSStyleSheetResource* resource =
      CSSStyleSheetResource::createForTest(ResourceRequest(url), "utf-8");
  resource->setStatus(Resource::Pending);

  PreloadRecordingCSSPreloaderResourceClient* resourceClient =
      new PreloadRecordingCSSPreloaderResourceClient(resource, preloader);

  dummyPageHolder->document().shutdown();

  const char* data = "@import url('http://127.0.0.1/preload.css');";
  resource->appendData(data, strlen(data));

  // Do not expect to gather any preloads, as the document loader is invalid,
  // which means we can't notify WebLoadingBehaviorData of the preloads.
  EXPECT_EQ(0u, resourceClient->m_preloadUrls.size());
}

Example #3

CSSStyleSheetResource* CSSStyleSheetResource::fetch(FetchRequest& request,
        ResourceFetcher* fetcher) {
    DCHECK_EQ(request.resourceRequest().frameType(),
              WebURLRequest::FrameTypeNone);
    request.mutableResourceRequest().setRequestContext(
        WebURLRequest::RequestContextStyle);
    CSSStyleSheetResource* resource = toCSSStyleSheetResource(
                                          fetcher->requestResource(request, CSSStyleSheetResourceFactory()));
    // TODO(kouhei): Dedupe this logic w/ ScriptResource::fetch
    if (resource && !request.integrityMetadata().isEmpty())
        resource->setIntegrityMetadata(request.integrityMetadata());
    return resource;
}

Example #4

File: CSSPreloadScannerTest.cpp Project: mirror/chromium

// Regression test for crbug.com/646869 where the client's data is cleared
// before didAppendFirstData is called.
TEST_F(CSSPreloadScannerTest, DontReadFromClearedData) {
  std::unique_ptr<DummyPageHolder> dummyPageHolder =
      DummyPageHolder::create(IntSize(500, 500));
  dummyPageHolder->document().settings()->setCSSExternalScannerNoPreload(true);

  HTMLResourcePreloader* preloader =
      HTMLResourcePreloader::create(dummyPageHolder->document());

  KURL url(ParsedURLString, "http://127.0.0.1/foo.css");
  CSSStyleSheetResource* resource =
      CSSStyleSheetResource::createForTest(ResourceRequest(url), "utf-8");

  const char* data = "@import url('http://127.0.0.1/preload.css');";
  resource->appendData(data, strlen(data));
  ResourceError error(errorDomainBlinkInternal, 0, url.getString(), "");
  resource->error(error);

  // Should not crash.
  PreloadSuppressingCSSPreloaderResourceClient* resourceClient =
      new PreloadSuppressingCSSPreloaderResourceClient(resource, preloader);

  EXPECT_EQ(0u, resourceClient->m_preloads.size());
}

Example #5

TEST_F(CSSPreloadScannerTest, ScanFromResourceClient) {
  std::unique_ptr<DummyPageHolder> dummyPageHolder =
      DummyPageHolder::create(IntSize(500, 500));
  dummyPageHolder->document().settings()->setCSSExternalScannerNoPreload(true);

  MockHTMLResourcePreloader* preloader =
      new MockHTMLResourcePreloader(dummyPageHolder->document());

  KURL url(ParsedURLString, "http://127.0.0.1/foo.css");
  CSSStyleSheetResource* resource =
      CSSStyleSheetResource::createForTest(ResourceRequest(url), "utf-8");
  resource->setStatus(Resource::Pending);

  PreloadRecordingCSSPreloaderResourceClient* resourceClient =
      new PreloadRecordingCSSPreloaderResourceClient(resource, preloader);

  const char* data = "@import url('http://127.0.0.1/preload.css');";
  resource->appendData(data, strlen(data));

  EXPECT_EQ(Resource::PreloadNotReferenced, resource->getPreloadResult());
  EXPECT_EQ(1u, resourceClient->m_preloadUrls.size());
  EXPECT_EQ("http://127.0.0.1/preload.css",
            resourceClient->m_preloadUrls.front());
}