100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
/*
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* This file is open source software, licensed to you under the terms
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* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
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* distributed with this work for additional information regarding copyright
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* ownership. You may not use this file except in compliance with the License.
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*
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/*
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* Copyright (C) 2018 ScyllaDB Ltd.
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*/
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#define BOOST_TEST_MODULE simple_stream
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#include <boost/test/unit_test.hpp>
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#include <seastar/core/simple-stream.hh>
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using namespace seastar;
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template<typename Input, typename Output>
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static void write_read_test(Input in, Output out)
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{
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auto aa = std::vector<char>(4, 'a');
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auto bb = std::vector<char>(3, 'b');
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auto cc = std::vector<char>(2, 'c');
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out.write(aa.data(), aa.size());
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out.fill('b', 3);
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BOOST_CHECK_THROW(out.fill(' ', 3), std::out_of_range);
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BOOST_CHECK_THROW(out.write(" ", 3), std::out_of_range);
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out.write(cc.data(), cc.size());
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BOOST_CHECK_THROW(out.fill(' ', 1), std::out_of_range);
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BOOST_CHECK_THROW(out.write(" ", 1), std::out_of_range);
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auto actual_aa = std::vector<char>(4);
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in.read(actual_aa.data(), actual_aa.size());
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BOOST_CHECK_EQUAL(aa, actual_aa);
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auto actual_bb = std::vector<char>(3);
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in.read(actual_bb.data(), actual_bb.size());
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BOOST_CHECK_EQUAL(bb, actual_bb);
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actual_aa.resize(1024);
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BOOST_CHECK_THROW(in.read(actual_aa.data(), actual_aa.size()), std::out_of_range);
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auto actual_cc = std::vector<char>(2);
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in.read(actual_cc.data(), actual_cc.size());
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BOOST_CHECK_EQUAL(cc, actual_cc);
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BOOST_CHECK_THROW(in.read(actual_aa.data(), 1), std::out_of_range);
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}
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BOOST_AUTO_TEST_CASE(simple_write_read_test) {
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auto buf = temporary_buffer<char>(9);
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write_read_test(simple_memory_input_stream(buf.get(), buf.size()),
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simple_memory_output_stream(buf.get_write(), buf.size()));
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std::fill_n(buf.get_write(), buf.size(), 'x');
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auto out = simple_memory_output_stream(buf.get_write(), buf.size());
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write_read_test(out.to_input_stream(), out);
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}
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BOOST_AUTO_TEST_CASE(fragmented_write_read_test) {
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static constexpr size_t total_size = 9;
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auto bufs = std::vector<temporary_buffer<char>>();
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using iterator_type = std::vector<temporary_buffer<char>>::iterator;
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auto test = [&] {
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write_read_test(fragmented_memory_input_stream<iterator_type>(bufs.begin(), total_size),
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fragmented_memory_output_stream<iterator_type>(bufs.begin(), total_size));
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auto out = fragmented_memory_output_stream<iterator_type>(bufs.begin(), total_size);
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write_read_test(out.to_input_stream(), out);
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};
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bufs.emplace_back(total_size);
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test();
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bufs.clear();
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for (auto i = 0u; i < total_size; i++) {
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bufs.emplace_back(1);
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}
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test();
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}
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