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// Copyright (c) 2016 Klemens D. Morgenstern
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#define BOOST_TEST_MAIN
#include <boost/test/included/unit_test.hpp>
#include <iostream>
#include <thread>
#include <vector>
#include <boost/algorithm/string/predicate.hpp>
#include <boost/process/async_pipe.hpp>
#include <boost/process/pipe.hpp>
#include <boost/asio/read.hpp>
#include <boost/asio/read_until.hpp>
#include <boost/asio/write.hpp>
#include <boost/asio/streambuf.hpp>
using namespace std;
namespace bp = boost::process;
namespace asio = boost::asio;
BOOST_AUTO_TEST_SUITE( async );
BOOST_AUTO_TEST_CASE(plain_async, *boost::unit_test::timeout(5))
{
asio::io_context ios;
bp::async_pipe pipe{ios};
std::string st = "test-string\n";
asio::streambuf buf;
asio::async_write(pipe, asio::buffer(st), [](const boost::system::error_code &, std::size_t){});
asio::async_read_until(pipe, buf, '\n', [](const boost::system::error_code &, std::size_t){});
ios.run();
std::string line;
std::istream istr(&buf);
BOOST_CHECK(std::getline(istr, line));
line.resize(11);
BOOST_CHECK_EQUAL(line, "test-string");
}
BOOST_AUTO_TEST_CASE(closed_transform)
{
asio::io_context ios;
bp::async_pipe ap{ios};
BOOST_CHECK(ap.is_open());
bp::pipe p2 = static_cast<bp::pipe>(ap);
BOOST_CHECK(p2.is_open());
ap.close();
BOOST_CHECK(!ap.is_open());
bp::pipe p = static_cast<bp::pipe>(ap);
BOOST_CHECK(!p.is_open());
}
BOOST_AUTO_TEST_CASE(multithreaded_async_pipe)
{
asio::io_context ioc;
std::vector<std::thread> threads;
for (int i = 0; i < std::thread::hardware_concurrency(); i++)
{
threads.emplace_back([&ioc]
{
std::vector<bp::async_pipe*> pipes;
for (size_t i = 0; i < 100; i++)
pipes.push_back(new bp::async_pipe(ioc));
for (auto &p : pipes)
delete p;
});
}
for (auto &t : threads)
t.join();
}
BOOST_AUTO_TEST_CASE(move_pipe)
{
asio::io_context ios;
bp::async_pipe ap{ios};
BOOST_TEST_CHECKPOINT("First move");
bp::async_pipe ap2{std::move(ap)};
BOOST_CHECK_EQUAL(ap.native_source(), ::boost::winapi::INVALID_HANDLE_VALUE_);
BOOST_CHECK_EQUAL(ap.native_sink (), ::boost::winapi::INVALID_HANDLE_VALUE_);
BOOST_TEST_CHECKPOINT("Second move");
ap = std::move(ap2);
{
BOOST_TEST_CHECKPOINT("Third move, from closed");
bp::async_pipe ap_inv{ios};
ap_inv.close();
ap = std::move(ap_inv);
}
{
BOOST_TEST_CHECKPOINT("Fourth move, from closed");
bp::async_pipe ap_inv{ios};
ap_inv.close();
const auto ap3 = std::move(ap_inv);
}
{
//copy an a closed pipe
BOOST_TEST_CHECKPOINT("Copy assign");
BOOST_TEST_CHECKPOINT("Fourth move, from closed");
bp::async_pipe ap_inv{ios};
ap_inv.close();
ap = ap_inv; //copy an invalid pipe
}
{
//copy an a closed pipe
BOOST_TEST_CHECKPOINT("Copy assign");
BOOST_TEST_CHECKPOINT("Fourth move, from closed");
bp::async_pipe ap_inv{ios};
ap_inv.close();
BOOST_TEST_CHECKPOINT("Copy construct");
bp::async_pipe ap4{ap_inv};
}
}
BOOST_AUTO_TEST_SUITE_END();
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