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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla__ipdltest_IPDLUnitTest_h
#define mozilla__ipdltest_IPDLUnitTest_h
#include "mozilla/_ipdltest/IPDLUnitTestChild.h"
#include "mozilla/_ipdltest/IPDLUnitTestParent.h"
#include "mozilla/ipc/ProtocolUtils.h"
namespace mozilla::_ipdltest {
// Should be called from static constructors to register a child actor
// constructor so that it can be called from the child process.
const char* RegisterAllocChildActor(
const char* aName, mozilla::ipc::IToplevelProtocol* (*aFunc)());
// Internal helper type used to declare IPDL tests.
class IPDLTestHelper {
public:
void TestWrapper(bool aCrossProcess);
virtual const char* GetName() = 0;
virtual ipc::IToplevelProtocol* GetActor() = 0;
virtual void TestBody() = 0;
};
#define IPDL_TEST_CLASS_NAME_(actorname, ...) IPDL_TEST_##actorname##__VA_ARGS__
#define IPDL_TEST_HEAD_(actorname, ...) \
class IPDL_TEST_CLASS_NAME_(actorname, ##__VA_ARGS__) \
: public ::mozilla::_ipdltest::IPDLTestHelper { \
public: \
IPDL_TEST_CLASS_NAME_(actorname, ##__VA_ARGS__) \
() : mActor(new actorname##Parent) {} \
\
private: \
void TestBody() override; \
const char* GetName() override { return sName; }; \
actorname##Parent* GetActor() override { return mActor; }; \
\
RefPtr<actorname##Parent> mActor; \
static const char* sName; \
}; \
const char* IPDL_TEST_CLASS_NAME_(actorname, ##__VA_ARGS__)::sName = \
::mozilla::_ipdltest::RegisterAllocChildActor( \
#actorname, []() -> ::mozilla::ipc::IToplevelProtocol* { \
return new actorname##Child; \
});
#define IPDL_TEST_DECL_CROSSPROCESS_(actorname, ...) \
TEST(IPDLTest_CrossProcess, actorname##__VA_ARGS__) \
{ \
IPDL_TEST_CLASS_NAME_(actorname, ##__VA_ARGS__) test; \
test.TestWrapper(true); \
}
#define IPDL_TEST_DECL_CROSSTHREAD_(actorname, ...) \
TEST(IPDLTest_CrossThread, actorname##__VA_ARGS__) \
{ \
IPDL_TEST_CLASS_NAME_(actorname, ##__VA_ARGS__) test; \
test.TestWrapper(false); \
}
#define IPDL_TEST_DECL_ANY_(actorname, ...) \
IPDL_TEST_DECL_CROSSPROCESS_(actorname, ##__VA_ARGS__) \
IPDL_TEST_DECL_CROSSTHREAD_(actorname, ##__VA_ARGS__)
#define IPDL_TEST_BODY_SEGUE_(actorname, ...) \
void IPDL_TEST_CLASS_NAME_(actorname, ##__VA_ARGS__)::TestBody()
// Declare an IPDL unit test. The `mode` should be set to either `CROSSTHREAD`,
// `CROSSPROCESS`, or `ANY` to run in the selected configuration(s). The actor
// `actorname` will be instantiated by default-constructing the parent & child
// actors in the relevant processes, and the test block will be executed, with
// `mActor` being a pointer to the parent actor. The test is asynchronous, and
// will end when the IPDL connection between the created actors is destroyed.
// `aCrossProcess` will indicate whether the test is running cross-process
// (true) or cross-thread (false).
//
// You can optionally pass a single additional argument which provides a
// `testname`, which will be appended to `actorname` as the full GTest test
// name. It should be of the form usually passed to the `TEST` gtest macro (an
// identifier).
//
// GTest assertions fired in the child process will be relayed to the parent
// process, and should generally function correctly.
#define IPDL_TEST_ON(mode, actorname, ...) \
IPDL_TEST_HEAD_(actorname, ##__VA_ARGS__) \
IPDL_TEST_DECL_##mode##_(actorname, ##__VA_ARGS__) \
IPDL_TEST_BODY_SEGUE_(actorname, ##__VA_ARGS__)
// Declare an IPDL unit test that will run in both cross-thread and
// cross-process configurations. See the documentation of IPDL_TEST_ON for more
// info.
#define IPDL_TEST(actorname, ...) IPDL_TEST_ON(ANY, actorname, ##__VA_ARGS__)
} // namespace mozilla::_ipdltest
#endif // mozilla__ipdltest_IPDLUnitTest_h
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