TEST(ImageResourceTest, DecodedDataRemainsWhileHasClients)
{
ResourcePtr<ImageResource> cachedImage = new ImageResource(ResourceRequest(), nullptr);
cachedImage->setLoading(true);
MockImageResourceClient client(cachedImage);
// Send the image response.
cachedImage->responseReceived(ResourceResponse(KURL(), "multipart/x-mixed-replace", 0, nullAtom, String()), nullptr);
Vector<unsigned char> jpeg = jpegImage();
cachedImage->responseReceived(ResourceResponse(KURL(), "image/jpeg", jpeg.size(), nullAtom, String()), nullptr);
cachedImage->appendData(reinterpret_cast<const char*>(jpeg.data()), jpeg.size());
cachedImage->finish();
ASSERT_FALSE(cachedImage->errorOccurred());
ASSERT_TRUE(cachedImage->hasImage());
ASSERT_FALSE(cachedImage->image()->isNull());
ASSERT_TRUE(client.notifyFinishedCalled());
// The prune comes when the ImageResource still has clients. The image should not be deleted.
cachedImage->prune();
ASSERT_TRUE(cachedImage->hasClients());
ASSERT_TRUE(cachedImage->hasImage());
ASSERT_FALSE(cachedImage->image()->isNull());
// The ImageResource no longer has clients. The image should be deleted by prune.
client.removeAsClient();
cachedImage->prune();
ASSERT_FALSE(cachedImage->hasClients());
ASSERT_FALSE(cachedImage->hasImage());
ASSERT_TRUE(cachedImage->image()->isNull());
}
TEST(ImageResourceTest, MultipartImage)
{
ResourceFetcher* fetcher = ResourceFetcher::create(nullptr);
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.
ResourcePtr<ImageResource> cachedImage = new ImageResource(ResourceRequest(testURL), nullptr);
cachedImage->setIdentifier(createUniqueIdentifier());
cachedImage->load(fetcher, ResourceLoaderOptions());
Platform::current()->unitTestSupport()->unregisterMockedURL(testURL);
MockImageResourceClient client(cachedImage);
EXPECT_EQ(Resource::Pending, cachedImage->status());
// Send the multipart response. No image or data buffer is created.
// Note that the response must be routed through ResourceLoader to
// ensure the load is flagged as multipart.
ResourceResponse multipartResponse(KURL(), "multipart/x-mixed-replace", 0, nullAtom, String());
cachedImage->loader()->didReceiveResponse(nullptr, WrappedResourceResponse(multipartResponse), nullptr);
ASSERT_FALSE(cachedImage->resourceBuffer());
ASSERT_FALSE(cachedImage->hasImage());
ASSERT_EQ(client.imageChangedCount(), 0);
ASSERT_FALSE(client.notifyFinishedCalled());
// Send the response for the first real part. No image or data buffer is created.
const char* svgData = "<svg xmlns='http://www.w3.org/2000/svg' width='1' height='1'><rect width='1' height='1' fill='green'/></svg>";
unsigned svgDataLength = strlen(svgData);
ResourceResponse payloadResponse(KURL(), "image/svg+xml", svgDataLength, nullAtom, String());
cachedImage->loader()->didReceiveResponse(nullptr, WrappedResourceResponse(payloadResponse), nullptr);
ASSERT_FALSE(cachedImage->resourceBuffer());
ASSERT_FALSE(cachedImage->hasImage());
ASSERT_EQ(client.imageChangedCount(), 0);
ASSERT_FALSE(client.notifyFinishedCalled());
// The first bytes arrive. The data buffer is created, but no image is created.
cachedImage->appendData(svgData, svgDataLength);
ASSERT_TRUE(cachedImage->resourceBuffer());
ASSERT_EQ(cachedImage->resourceBuffer()->size(), svgDataLength);
ASSERT_FALSE(cachedImage->hasImage());
ASSERT_EQ(client.imageChangedCount(), 0);
ASSERT_FALSE(client.notifyFinishedCalled());
// This part finishes. The image is created, callbacks are sent, and the data buffer is cleared.
cachedImage->finish();
ASSERT_FALSE(cachedImage->resourceBuffer());
ASSERT_FALSE(cachedImage->errorOccurred());
ASSERT_TRUE(cachedImage->hasImage());
ASSERT_FALSE(cachedImage->image()->isNull());
ASSERT_EQ(cachedImage->image()->width(), 1);
ASSERT_EQ(cachedImage->image()->height(), 1);
ASSERT_EQ(client.imageChangedCount(), 2);
ASSERT_TRUE(client.notifyFinishedCalled());
}
TEST(ImageResourceTest, UpdateBitmapImages)
{
ResourcePtr<ImageResource> cachedImage = new ImageResource(ResourceRequest(), nullptr);
cachedImage->setLoading(true);
MockImageResourceClient client(cachedImage);
// Send the image response.
Vector<unsigned char> jpeg = jpegImage();
cachedImage->responseReceived(ResourceResponse(KURL(), "image/jpeg", jpeg.size(), nullAtom, String()), nullptr);
cachedImage->appendData(reinterpret_cast<const char*>(jpeg.data()), jpeg.size());
cachedImage->finish();
ASSERT_FALSE(cachedImage->errorOccurred());
ASSERT_TRUE(cachedImage->hasImage());
ASSERT_FALSE(cachedImage->image()->isNull());
ASSERT_EQ(client.imageChangedCount(), 2);
ASSERT_TRUE(client.notifyFinishedCalled());
ASSERT_TRUE(cachedImage->image()->isBitmapImage());
}