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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,
#include "gtest/gtest.h"
#include "mozilla/_ipdltest/IPDLUnitTest.h"
#include "mozilla/_ipdltest/PTestCrossProcessSemaphoreChild.h"
#include "mozilla/_ipdltest/PTestCrossProcessSemaphoreParent.h"
#include "mozilla/ipc/CrossProcessSemaphore.h"
using namespace mozilla::ipc;
namespace mozilla::_ipdltest {
class TestCrossProcessSemaphoreChild : public PTestCrossProcessSemaphoreChild {
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(TestCrossProcessSemaphoreChild,
override)
public:
IPCResult RecvCrossProcessSemaphore(
CrossProcessSemaphoreHandle&& aSem) override {
UniquePtr<CrossProcessSemaphore> cps(
CrossProcessSemaphore::Create(std::move(aSem)));
EXPECT_TRUE(bool(cps));
cps->Signal();
Close();
return IPC_OK();
}
private:
~TestCrossProcessSemaphoreChild() = default;
};
class TestCrossProcessSemaphoreParent
: public PTestCrossProcessSemaphoreParent {
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(TestCrossProcessSemaphoreParent,
override)
private:
~TestCrossProcessSemaphoreParent() = default;
};
IPDL_TEST(TestCrossProcessSemaphore) {
// Create a semaphore with an initial count of 1. The test will then try to
// send the semaphore over IPDL to the other end which will signal, increasing
// the count to 2. The test will then try to wait on (decrement) the semaphore
// twice, which should succeed only if the semaphore was properly signaled.
UniquePtr<CrossProcessSemaphore> cps(
CrossProcessSemaphore::Create("TestCrossProcessSemaphore", 1));
ASSERT_TRUE(bool(cps));
CrossProcessSemaphoreHandle handle = cps->CloneHandle();
ASSERT_TRUE(bool(handle));
bool ok = mActor->SendCrossProcessSemaphore(std::move(handle));
ASSERT_TRUE(ok);
EXPECT_TRUE(cps->Wait());
EXPECT_TRUE(cps->Wait(Some(TimeDuration::FromSeconds(10))));
}
} // namespace mozilla::_ipdltest