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/*
* Copyright (C) 2022 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.
*/
#include "interprocess_fifo.h"
#include <android-base/result-gmock.h>
#include <gtest/gtest.h>
#define ASSERT_OK(e) ASSERT_THAT(e, Ok())
#define ASSERT_NOT_OK(e) ASSERT_THAT(e, Not(Ok()))
using ::android::base::Result;
using ::android::base::testing::Ok;
using ::testing::Not;
namespace android {
namespace init {
TEST(FifoTest, WriteAndRead) {
InterprocessFifo fifo;
ASSERT_OK(fifo.Initialize());
ASSERT_OK(fifo.Write('a'));
ASSERT_OK(fifo.Write('b'));
Result<uint8_t> result = fifo.Read();
ASSERT_OK(result);
EXPECT_EQ(*result, 'a');
result = fifo.Read();
ASSERT_OK(result);
EXPECT_EQ(*result, 'b');
InterprocessFifo fifo2 = std::move(fifo);
ASSERT_NOT_OK(fifo.Write('c'));
ASSERT_NOT_OK(fifo.Read());
ASSERT_OK(fifo2.Write('d'));
result = fifo2.Read();
ASSERT_OK(result);
EXPECT_EQ(*result, 'd');
}
} // namespace init
} // namespace android
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