/* 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"

static uv_idle_t idle_handle;

static uv_check_t check_handle;

static uv_timer_t timer_handle;

static int idle_cb_called = 0;

static int check_cb_called = 0;

static int timer_cb_called = 0;

static int close_cb_called = 0;

static void close_cb(uv_handle_t* handle) {

  close_cb_called++;

}

static void timer_cb(uv_timer_t* handle) {

  ASSERT(handle == &timer_handle);

  uv_close((uv_handle_t*) &idle_handle, close_cb);

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

  uv_close((uv_handle_t*) &timer_handle, close_cb);

  timer_cb_called++;

  fprintf(stderr, "timer_cb %d\n", timer_cb_called);

  fflush(stderr);

}

static void idle_cb(uv_idle_t* handle) {

  ASSERT(handle == &idle_handle);

  idle_cb_called++;

  fprintf(stderr, "idle_cb %d\n", idle_cb_called);

  fflush(stderr);

}

static void check_cb(uv_check_t* handle) {

  ASSERT(handle == &check_handle);

  check_cb_called++;

  fprintf(stderr, "check_cb %d\n", check_cb_called);

  fflush(stderr);

}

TEST_IMPL(idle_starvation) {

  int r;

  r = uv_idle_init(uv_default_loop(), &idle_handle);

  ASSERT(r == 0);

  r = uv_idle_start(&idle_handle, idle_cb);

  ASSERT(r == 0);

  r = uv_check_init(uv_default_loop(), &check_handle);

  ASSERT(r == 0);

  r = uv_check_start(&check_handle, check_cb);

  ASSERT(r == 0);

  r = uv_timer_init(uv_default_loop(), &timer_handle);

  ASSERT(r == 0);

  r = uv_timer_start(&timer_handle, timer_cb, 50, 0);

  ASSERT(r == 0);

  r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);

  ASSERT(r == 0);

  ASSERT(idle_cb_called > 0);

  ASSERT(timer_cb_called == 1);

  ASSERT(close_cb_called == 3);

  MAKE_VALGRIND_HAPPY();

  return 0;

}