// Copyright 2010 Google Inc.
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//
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// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
//   notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
//   notice, this list of conditions and the following disclaimer in the
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//   may be used to endorse or promote products derived from this software
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//
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#include "utils/process/fdstream.hpp"

extern "C" {
#include <unistd.h>
}

#include <atf-c++.hpp>

#include "utils/process/systembuf.hpp"

using utils::process::ifdstream;
using utils::process::systembuf;


ATF_TEST_CASE(ifdstream);
ATF_TEST_CASE_HEAD(ifdstream)
{
    set_md_var("descr", "Tests the ifdstream class");
}
ATF_TEST_CASE_BODY(ifdstream)
{
    int fds[2];
    ATF_REQUIRE(::pipe(fds) != -1);

    ifdstream rend(fds[0]);

    systembuf wbuf(fds[1]);
    std::ostream wend(&wbuf);

    // XXX This assumes that the pipe's buffer is big enough to accept
    // the data written without blocking!
    wend << "1Test 1message\n";
    wend.flush();
    std::string tmp;
    rend >> tmp;
    ATF_REQUIRE_EQ(tmp, "1Test");
    rend >> tmp;
    ATF_REQUIRE_EQ(tmp, "1message");
}


ATF_INIT_TEST_CASES(tcs)
{
    ATF_ADD_TEST_CASE(tcs, ifdstream);
}