/* 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.

 */

#include "uv.h"

#include "task.h"

#include <string.h>

static uv_async_t async_handle;

static uv_check_t check_handle;

static int check_cb_called;

static uv_thread_t thread;

static void thread_cb(void* dummy) {

  (void) &dummy;

  uv_async_send(&async_handle);

}

static void check_cb(uv_check_t* handle) {

  ASSERT(check_cb_called == 0);

  uv_close((uv_handle_t*) &async_handle, NULL);

  uv_close((uv_handle_t*) &check_handle, NULL);

  check_cb_called++;

}

TEST_IMPL(async_null_cb) {

  /*

   * Fill async_handle with garbage values.

   * uv_async_init() should properly initialize struct fields regardless of

   * initial values.

   * This is added to verify paddings between fields do not affect behavior.

   */

  memset(&async_handle, 0xff, sizeof(async_handle));

  ASSERT(0 == uv_async_init(uv_default_loop(), &async_handle, NULL));

  ASSERT(0 == uv_check_init(uv_default_loop(), &check_handle));

  ASSERT(0 == uv_check_start(&check_handle, check_cb));

  ASSERT(0 == uv_thread_create(&thread, thread_cb, NULL));

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

  ASSERT(0 == uv_thread_join(&thread));

  ASSERT(1 == check_cb_called);

  MAKE_VALGRIND_HAPPY();

  return 0;

}