TEST(LinkLoaderTest, Preload)
{
struct TestCase {
const char* href;
const char* as;
const ResourceLoadPriority priority;
const bool shouldLoad;
} cases[] = {
{"data://example.com/cat.jpg", "image", ResourceLoadPriorityVeryLow, true},
{"data://example.com/cat.jpg", "script", ResourceLoadPriorityMedium, true},
{"data://example.com/cat.jpg", "stylesheet", ResourceLoadPriorityHigh, true},
{"data://example.com/cat.jpg", "blabla", ResourceLoadPriorityUnresolved, true},
{"data://example.com/cat.jpg", "image", ResourceLoadPriorityUnresolved, false},
};
// Test the cases with a single header
for (const auto& testCase : cases) {
OwnPtr<DummyPageHolder> dummyPageHolder = DummyPageHolder::create(IntSize(500, 500));
MockLinkLoaderClient loaderClient(testCase.shouldLoad);
LinkLoader loader(&loaderClient);
KURL hrefURL = KURL(KURL(), testCase.href);
loader.loadLink(LinkRelAttribute("preload"),
AtomicString(),
String(),
testCase.as,
hrefURL,
dummyPageHolder->document());
if (testCase.priority == ResourceLoadPriorityUnresolved) {
ASSERT(!loader.resource());
} else {
ASSERT(loader.resource());
ASSERT_EQ(testCase.priority, loader.resource()->resourceRequest().priority());
}
}
}
void LocalFrame::detach()
{
// A lot of the following steps can result in the current frame being
// detached, so protect a reference to it.
RefPtr<LocalFrame> protect(this);
m_deprecatedLoader.stopAllLoaders();
m_deprecatedLoader.closeURL();
detachChildren();
// stopAllLoaders() needs to be called after detachChildren(), because detachChildren()
// will trigger the unload event handlers of any child frames, and those event
// handlers might start a new subresource load in this frame.
m_deprecatedLoader.stopAllLoaders();
setView(nullptr);
willDetachFrameHost();
// After this, we must no longer talk to the client since this clears
// its owning reference back to our owning LocalFrame.
loaderClient()->detachedFromParent();
clearClient();
detachFromFrameHost();
}