TEST(LockManager, CompatibleFirstImmediateGrant) {
LockManager lockMgr;
const ResourceId resId(RESOURCE_GLOBAL, 0);
MMAPV1LockerImpl locker1;
LockRequestCombo request1(&locker1);
MMAPV1LockerImpl locker2;
LockRequestCombo request2(&locker2);
request2.compatibleFirst = true;
MMAPV1LockerImpl locker3;
LockRequestCombo request3(&locker3);
// Lock all in IS mode
ASSERT(LOCK_OK == lockMgr.lock(resId, &request1, MODE_IS));
ASSERT(LOCK_OK == lockMgr.lock(resId, &request2, MODE_IS));
ASSERT(LOCK_OK == lockMgr.lock(resId, &request3, MODE_IS));
// Now an exclusive mode comes, which would block
MMAPV1LockerImpl lockerX;
LockRequestCombo requestX(&lockerX);
ASSERT(LOCK_WAITING == lockMgr.lock(resId, &requestX, MODE_X));
// If an S comes, it should be granted, because of request2
{
MMAPV1LockerImpl lockerS;
LockRequestCombo requestS(&lockerS);
ASSERT(LOCK_OK == lockMgr.lock(resId, &requestS, MODE_S));
ASSERT(lockMgr.unlock(&requestS));
}
// If request1 goes away, the policy should still be compatible-first, because of request2
ASSERT(lockMgr.unlock(&request1));
// If S comes again, it should be granted, because of request2 still there
{
MMAPV1LockerImpl lockerS;
LockRequestCombo requestS(&lockerS);
ASSERT(LOCK_OK == lockMgr.lock(resId, &requestS, MODE_S));
ASSERT(lockMgr.unlock(&requestS));
}
// With request2 gone the policy should go back to FIFO, even though request3 is active
ASSERT(lockMgr.unlock(&request2));
{
MMAPV1LockerImpl lockerS;
LockRequestCombo requestS(&lockerS);
ASSERT(LOCK_WAITING == lockMgr.lock(resId, &requestS, MODE_S));
ASSERT(lockMgr.unlock(&requestS));
}
// Unlock request3 to keep the lock mgr not assert for leaked locks
ASSERT(lockMgr.unlock(&request3));
ASSERT(lockMgr.unlock(&requestX));
}
TEST_F(ResourceFetcherTest, RevalidateDeferedResourceFromTwoInitiators) {
KURL url(ParsedURLString, "http://127.0.0.1:8000/font.woff");
ResourceResponse response;
response.setURL(url);
response.setHTTPStatusCode(200);
response.setHTTPHeaderField(HTTPNames::ETag, "1234567890");
Platform::current()->getURLLoaderMockFactory()->registerURL(
url, WrappedResourceResponse(response), "");
ResourceFetcherTestMockFetchContext* context =
ResourceFetcherTestMockFetchContext::create();
ResourceFetcher* fetcher = ResourceFetcher::create(context);
// Fetch to cache a resource.
ResourceRequest request1(url);
FetchRequest fetchRequest1 = FetchRequest(request1, FetchInitiatorInfo());
Resource* resource1 = FontResource::fetch(fetchRequest1, fetcher);
ASSERT_TRUE(resource1);
fetcher->startLoad(resource1);
Platform::current()->getURLLoaderMockFactory()->serveAsynchronousRequests();
EXPECT_TRUE(resource1->isLoaded());
EXPECT_FALSE(resource1->errorOccurred());
// Set the context as it is on reloads.
context->setLoadComplete(true);
context->setCachePolicy(CachePolicyRevalidate);
// Revalidate the resource.
ResourceRequest request2(url);
FetchRequest fetchRequest2 = FetchRequest(request2, FetchInitiatorInfo());
Resource* resource2 = FontResource::fetch(fetchRequest2, fetcher);
ASSERT_TRUE(resource2);
EXPECT_EQ(resource1, resource2);
EXPECT_TRUE(resource2->isCacheValidator());
EXPECT_TRUE(resource2->stillNeedsLoad());
// Fetch the same resource again before actual load operation starts.
ResourceRequest request3(url);
FetchRequest fetchRequest3 = FetchRequest(request3, FetchInitiatorInfo());
Resource* resource3 = FontResource::fetch(fetchRequest3, fetcher);
ASSERT_TRUE(resource3);
EXPECT_EQ(resource2, resource3);
EXPECT_TRUE(resource3->isCacheValidator());
EXPECT_TRUE(resource3->stillNeedsLoad());
// startLoad() can be called from any initiator. Here, call it from the
// latter.
fetcher->startLoad(resource3);
Platform::current()->getURLLoaderMockFactory()->serveAsynchronousRequests();
EXPECT_TRUE(resource3->isLoaded());
EXPECT_FALSE(resource3->errorOccurred());
EXPECT_TRUE(resource2->isLoaded());
EXPECT_FALSE(resource2->errorOccurred());
memoryCache()->remove(resource1);
}
TEST(RequestTests, Constructors) {
gallocy::http::Request request1(GET_REQUEST, gallocy::common::Peer());
ASSERT_EQ(request1.method, "GET");
#if 0
gallocy::http::Request request2 = request1;
ASSERT_EQ(request2.method, "GET");
gallocy::http::Request request3(request1);
ASSERT_EQ(request3.method, "GET");
#endif
}
TEST(LockManager, CompatibleFirstGrantAlreadyQueued) {
LockManager lockMgr;
const ResourceId resId(RESOURCE_GLOBAL, 0);
// This tests the following behavior:
// Lock held in X, queue: S IX IS, where S is compatibleFirst.
// Once X unlocks both the S and IS requests should proceed.
MMAPV1LockerImpl locker1;
LockRequestCombo request1(&locker1);
MMAPV1LockerImpl locker2;
LockRequestCombo request2(&locker2);
request2.compatibleFirst = true;
MMAPV1LockerImpl locker3;
LockRequestCombo request3(&locker3);
MMAPV1LockerImpl locker4;
LockRequestCombo request4(&locker4);
// Hold the lock in X and establish the S IX IS queue.
ASSERT(LOCK_OK == lockMgr.lock(resId, &request1, MODE_X));
ASSERT(LOCK_WAITING == lockMgr.lock(resId, &request2, MODE_S));
ASSERT(LOCK_WAITING == lockMgr.lock(resId, &request3, MODE_IX));
ASSERT(LOCK_WAITING == lockMgr.lock(resId, &request4, MODE_IS));
// Now unlock, so all readers should be able to proceed, while the IX remains queued.
ASSERT(lockMgr.unlock(&request1));
ASSERT(request2.lastResult == LOCK_OK);
ASSERT(request3.lastResult == LOCK_INVALID);
ASSERT(request4.lastResult == LOCK_OK);
// Now unlock the S lock, and the IX succeeds as well.
ASSERT(lockMgr.unlock(&request2));
ASSERT(request3.lastResult == LOCK_OK);
// Unlock remaining
ASSERT(lockMgr.unlock(&request4));
ASSERT(lockMgr.unlock(&request3));
}