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/**
* Copyright 2024 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <queue>
#include <string>
#include <android-base/result.h>
#include <gtest/gtest.h>
#include <input/InputTransport.h>
#include <utils/Errors.h>
namespace android {
class TestInputChannel final : public InputChannel {
public:
explicit TestInputChannel(const std::string& name);
/**
* Enqueues a message in mReceivedMessages.
*/
void enqueueMessage(const InputMessage& message);
/**
* Pushes message to mSentMessages. In the default implementation, InputChannel sends messages
* through a file descriptor. TestInputChannel, on the contrary, stores sent messages in
* mSentMessages for assertion reasons.
*/
status_t sendMessage(const InputMessage* message) override;
/**
* Returns an InputMessage from mReceivedMessages. This is done instead of retrieving data
* directly from fd.
*/
base::Result<InputMessage> receiveMessage() override;
/**
* Returns if mReceivedMessages is not empty.
*/
bool probablyHasInput() const override;
void assertFinishMessage(uint32_t seq, bool handled);
void assertNoSentMessages() const;
private:
// InputMessages received by the endpoint.
std::queue<InputMessage> mReceivedMessages;
// InputMessages sent by the endpoint.
std::queue<InputMessage> mSentMessages;
};
} // namespace android