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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "IPCTestUtilities.h"
#include "Test.h"
#include <wtf/text/MakeString.h>
#include <wtf/threads/BinarySemaphore.h>
namespace TestWebKitAPI {
void PrintTo(ConnectionTestDirection value, ::std::ostream* o)
{
if (value == ConnectionTestDirection::ServerIsA)
*o << "ServerIsA";
else if (value == ConnectionTestDirection::ClientIsA)
*o << "ClientIsA";
else
*o << "Unknown";
}
void ConnectionTestBase::setupBase()
{
WTF::initializeMainThread();
auto identifiers = IPC::Connection::createConnectionIdentifierPair();
if (!identifiers) {
FAIL();
return;
}
m_connections[0].connection = IPC::Connection::createServerConnection(WTFMove(identifiers->server));
m_connections[1].connection = IPC::Connection::createClientConnection(IPC::Connection::Identifier { WTFMove(identifiers->client) });
}
void ConnectionTestBase::teardownBase()
{
for (auto& c : m_connections) {
if (c.connection) {
c.connection->invalidate();
ensureConnectionWorkQueueEmpty(*c.connection);
}
c.connection = nullptr;
}
// Tests should handle all messages. Catch unexpected messages.
{
auto messages = aClient().takeMessages();
EXPECT_EQ(messages.size(), 0u);
for (uint64_t i = 0u; i < messages.size(); ++i) {
SCOPED_TRACE(makeString("A had unexpected message: "_s, i));
EXPECT_EQ(messages[i].messageName, static_cast<IPC::MessageName>(0xaaaa));
EXPECT_EQ(messages[i].destinationID, 0xddddddu);
}
}
{
auto messages = bClient().takeMessages();
EXPECT_EQ(messages.size(), 0u);
for (uint64_t i = 0u; i < messages.size(); ++i) {
SCOPED_TRACE(makeString("B had unexpected message message: "_s, i));
EXPECT_EQ(messages[i].messageName, static_cast<IPC::MessageName>(0xaaaa));
EXPECT_EQ(messages[i].destinationID, 0xddddddu);
}
}
}
void ConnectionTestBase::ensureConnectionWorkQueueEmpty(IPC::Connection& connection)
{
// FIXME: currently we have no real way to ensure that a work queue completes.
// On Cocoa this is a problem when exit() occurs while work queue is still cancelling
// the dispatch queue sources.
// To workaround for now, we dispatch one sync message to ensure invalidate is run to
// cancel the dispatch sources and one sync message to ensure that the cancel handler
// has run.
for (int i = 0; i < 2; ++i) {
BinarySemaphore semaphore;
connection.dispatchOnReceiveQueueForTesting([&semaphore] {
semaphore.signal();
});
semaphore.wait();
}
}
}
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