TEST(ImageResourceTest, AddClientAfterPrune) {
KURL url(ParsedURLString, "http://127.0.0.1:8000/foo");
ImageResource* imageResource = ImageResource::create(ResourceRequest(url));
// Adds a ResourceClient but not ImageResourceObserver.
Persistent<MockResourceClient> client1 =
new MockResourceClient(imageResource);
receiveResponse(imageResource, url, "image/jpeg", jpegImage());
EXPECT_FALSE(imageResource->errorOccurred());
ASSERT_TRUE(imageResource->hasImage());
EXPECT_FALSE(imageResource->getImage()->isNull());
EXPECT_EQ(1, imageResource->getImage()->width());
EXPECT_EQ(1, imageResource->getImage()->height());
EXPECT_TRUE(client1->notifyFinishedCalled());
client1->removeAsClient();
EXPECT_FALSE(imageResource->isAlive());
imageResource->prune();
EXPECT_TRUE(imageResource->hasImage());
// Re-adds a ResourceClient but not ImageResourceObserver.
Persistent<MockResourceClient> client2 =
new MockResourceClient(imageResource);
ASSERT_TRUE(imageResource->hasImage());
EXPECT_FALSE(imageResource->getImage()->isNull());
EXPECT_EQ(1, imageResource->getImage()->width());
EXPECT_EQ(1, imageResource->getImage()->height());
EXPECT_TRUE(client2->notifyFinishedCalled());
}
TEST(ImageResourceTest, DecodedDataRemainsWhileHasClients) {
ImageResource* cachedImage = ImageResource::create(ResourceRequest());
cachedImage->setStatus(Resource::Pending);
Persistent<MockImageResourceClient> client =
new MockImageResourceClient(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());
EXPECT_NE(0u, cachedImage->encodedSizeMemoryUsageForTesting());
cachedImage->finish();
EXPECT_EQ(0u, cachedImage->encodedSizeMemoryUsageForTesting());
EXPECT_FALSE(cachedImage->errorOccurred());
ASSERT_TRUE(cachedImage->hasImage());
EXPECT_FALSE(cachedImage->getImage()->isNull());
EXPECT_TRUE(client->notifyFinishedCalled());
// The prune comes when the ImageResource still has clients. The image should
// not be deleted.
cachedImage->prune();
EXPECT_TRUE(cachedImage->isAlive());
ASSERT_TRUE(cachedImage->hasImage());
EXPECT_FALSE(cachedImage->getImage()->isNull());
// The ImageResource no longer has clients. The decoded image data should be
// deleted by prune.
client->removeAsClient();
cachedImage->prune();
EXPECT_FALSE(cachedImage->isAlive());
EXPECT_TRUE(cachedImage->hasImage());
// TODO(hajimehoshi): Should check cachedImage doesn't have decoded image
// data.
}
