// Copyright (c) 2006, 2007 Julio M. Merino Vidal
// Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
// Copyright (c) 2009 Boris Schaeling
// Copyright (c) 2010 Felipe Tanus, Boris Schaeling
// Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
//
// 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
#define BOOST_TEST_IGNORE_SIGCHLD
#include <boost/test/included/unit_test.hpp>

#include <boost/process.hpp>
#include <boost/process/posix.hpp>

#include <system_error>

#include <boost/iostreams/device/file_descriptor.hpp>
#include <boost/iostreams/stream.hpp>
#include <string>
#include <sys/wait.h>
#include <errno.h>

namespace bp = boost::process;
namespace bio = boost::iostreams;

BOOST_AUTO_TEST_CASE(bind_fd)
{
    using boost::unit_test::framework::master_test_suite;

    bp::pipe p;

    {
        std::error_code ec;
        bp::execute(
            master_test_suite().argv[1],
            "test", "--posix-echo-one", "3", "hello",
            bp::posix::fd.bind(3, p.sink()),
            ec
        );
        BOOST_CHECK(!ec);
    }

    bio::stream<bio::file_descriptor_source> is(p.source());

    std::string s;
    is >> s;
    BOOST_CHECK_EQUAL(s, "hello");
}

BOOST_AUTO_TEST_CASE(bind_fds)
{
    using boost::unit_test::framework::master_test_suite;

    bp::pipe p1;
    bp::pipe p2;

    {

        std::error_code ec;
        bp::execute(
            master_test_suite().argv[1],
            "test","--posix-echo-two","3","hello","99","bye",
            bp::posix::fd.bind(3,  p1.sink()),
            bp::posix::fd.bind(99, p2.sink()),
            ec
        );
        BOOST_CHECK(!ec);
    }

    bio::stream<bio::file_descriptor_source> is1(p1.source());

    std::string s1;
    is1 >> s1;
    BOOST_CHECK_EQUAL(s1, "hello");

    bio::stream<bio::file_descriptor_source> is2(p2.source());

    std::string s2;
    is2 >> s2;
    BOOST_CHECK_EQUAL(s2, "bye");
}

BOOST_AUTO_TEST_CASE(execve_set_on_error)
{
    std::error_code ec;
    bp::execute(
        "doesnt-exist",
        ec
    );
    BOOST_CHECK(ec);
    BOOST_CHECK_EQUAL(ec.value(), ENOENT);
}

BOOST_AUTO_TEST_CASE(execve_throw_on_error)
{
    try
    {
        bp::execute("doesnt-exist");
        BOOST_CHECK(false);
    }
    catch (std::system_error &e)
    {
        BOOST_CHECK(e.code());
        BOOST_CHECK_EQUAL(e.code().value(), ENOENT);
    }
}