/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to

 * deal in the Software without restriction, including without limitation the

 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

 * sell copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS

 * IN THE SOFTWARE.

 */

#if !defined(_WIN32)

#include "uv.h"

#include "task.h"

#include <fcntl.h>

#include <unistd.h>

static unsigned int read_cb_called;

static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {

  static char slab[1];

  buf->base = slab;

  buf->len = sizeof(slab);

}

static void read_cb(uv_stream_t* handle, ssize_t nread, const uv_buf_t* buf) {

  switch (++read_cb_called) {

  case 1:

    ASSERT(nread == 1);

    uv_read_stop(handle);

    break;

  case 2:

    ASSERT(nread == UV_EOF);

    uv_close((uv_handle_t *) handle, NULL);

    break;

  default:

    ASSERT(!"read_cb_called > 2");

  }

}

TEST_IMPL(close_fd) {

  uv_pipe_t pipe_handle;

  int fd[2];

  ASSERT(0 == pipe(fd));

  ASSERT(0 == uv_pipe_init(uv_default_loop(), &pipe_handle, 0));

  ASSERT(0 == uv_pipe_open(&pipe_handle, fd[0]));

  fd[0] = -1;  /* uv_pipe_open() takes ownership of the file descriptor. */

  ASSERT(1 == write(fd[1], "", 1));

  ASSERT(0 == close(fd[1]));

  fd[1] = -1;

  ASSERT(0 == uv_read_start((uv_stream_t *) &pipe_handle, alloc_cb, read_cb));

  ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));

  ASSERT(1 == read_cb_called);

  ASSERT(0 == uv_is_active((const uv_handle_t *) &pipe_handle));

  ASSERT(0 == uv_read_start((uv_stream_t *) &pipe_handle, alloc_cb, read_cb));

  ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));

  ASSERT(2 == read_cb_called);

  ASSERT(0 != uv_is_closing((const uv_handle_t *) &pipe_handle));

  MAKE_VALGRIND_HAPPY();

  return 0;

}

#else

typedef int file_has_no_tests; /* ISO C forbids an empty translation unit. */

#endif /* !_WIN32 */