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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "mojo/public/cpp/system/scope_to_message_pipe.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/macros.h"
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "base/test/task_environment.h"
#include "mojo/public/cpp/system/message_pipe.h"
#include "mojo/public/cpp/system/simple_watcher.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace mojo {
namespace {
class RunCallbackOnDestruction {
public:
explicit RunCallbackOnDestruction(base::OnceClosure destruction_callback)
: destruction_callback_(std::move(destruction_callback)) {}
~RunCallbackOnDestruction() { std::move(destruction_callback_).Run(); }
private:
base::OnceClosure destruction_callback_;
DISALLOW_COPY_AND_ASSIGN(RunCallbackOnDestruction);
};
class ScopeToMessagePipeTest : public testing::Test {
public:
ScopeToMessagePipeTest() = default;
~ScopeToMessagePipeTest() override = default;
private:
base::test::TaskEnvironment task_environment_;
DISALLOW_COPY_AND_ASSIGN(ScopeToMessagePipeTest);
};
TEST_F(ScopeToMessagePipeTest, ObjectDestroyedOnPeerClosure) {
base::RunLoop wait_for_destruction;
MessagePipe pipe;
ScopeToMessagePipe(std::make_unique<RunCallbackOnDestruction>(
wait_for_destruction.QuitClosure()),
std::move(pipe.handle0));
pipe.handle1.reset();
wait_for_destruction.Run();
}
TEST_F(ScopeToMessagePipeTest, PipeClosedOnPeerClosure) {
base::RunLoop wait_for_pipe_closure;
MessagePipe pipe;
SimpleWatcher watcher(FROM_HERE, SimpleWatcher::ArmingPolicy::AUTOMATIC);
watcher.Watch(pipe.handle1.get(), MOJO_HANDLE_SIGNAL_READABLE,
MOJO_TRIGGER_CONDITION_SIGNALS_SATISFIED,
base::BindLambdaForTesting(
[&](MojoResult result, const HandleSignalsState& state) {
EXPECT_EQ(result, MOJO_RESULT_CANCELLED);
wait_for_pipe_closure.Quit();
}));
ScopeToMessagePipe(42, std::move(pipe.handle0));
pipe.handle1.reset();
wait_for_pipe_closure.Run();
}
} // namespace
} // namespace mojo
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