/* 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 int close_cb_called = 0;

static int repeat_1_cb_called = 0;

static int repeat_2_cb_called = 0;

static int repeat_2_cb_allowed = 0;

static uv_timer_t dummy, repeat_1, repeat_2;

static uint64_t start_time;

static void close_cb(uv_handle_t* handle) {

  ASSERT(handle != NULL);

  close_cb_called++;

}

static void repeat_1_cb(uv_timer_t* handle) {

  int r;

  ASSERT(handle == &repeat_1);

  ASSERT(uv_timer_get_repeat((uv_timer_t*)handle) == 50);

  fprintf(stderr, "repeat_1_cb called after %ld ms\n",

          (long int)(uv_now(uv_default_loop()) - start_time));

  fflush(stderr);

  repeat_1_cb_called++;

  r = uv_timer_again(&repeat_2);

  ASSERT(r == 0);

  if (repeat_1_cb_called == 10) {

    uv_close((uv_handle_t*)handle, close_cb);

    /* We're not calling uv_timer_again on repeat_2 any more, so after this

     * timer_2_cb is expected. */

    repeat_2_cb_allowed = 1;

    return;

  }

}

static void repeat_2_cb(uv_timer_t* handle) {

  ASSERT(handle == &repeat_2);

  ASSERT(repeat_2_cb_allowed);

  fprintf(stderr, "repeat_2_cb called after %ld ms\n",

          (long int)(uv_now(uv_default_loop()) - start_time));

  fflush(stderr);

  repeat_2_cb_called++;

  if (uv_timer_get_repeat(&repeat_2) == 0) {

    ASSERT(0 == uv_is_active((uv_handle_t*) handle));

    uv_close((uv_handle_t*)handle, close_cb);

    return;

  }

  fprintf(stderr, "uv_timer_get_repeat %ld ms\n",

          (long int)uv_timer_get_repeat(&repeat_2));

  fflush(stderr);

  ASSERT(uv_timer_get_repeat(&repeat_2) == 100);

  /* This shouldn't take effect immediately. */

  uv_timer_set_repeat(&repeat_2, 0);

}

TEST_IMPL(timer_again) {

  int r;

  start_time = uv_now(uv_default_loop());

  ASSERT(0 < start_time);

  /* Verify that it is not possible to uv_timer_again a never-started timer. */

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

  ASSERT(r == 0);

  r = uv_timer_again(&dummy);

  ASSERT(r == UV_EINVAL);

  uv_unref((uv_handle_t*)&dummy);

  /* Start timer repeat_1. */

  r = uv_timer_init(uv_default_loop(), &repeat_1);

  ASSERT(r == 0);

  r = uv_timer_start(&repeat_1, repeat_1_cb, 50, 0);

  ASSERT(r == 0);

  ASSERT(uv_timer_get_repeat(&repeat_1) == 0);

  /* Actually make repeat_1 repeating. */

  uv_timer_set_repeat(&repeat_1, 50);

  ASSERT(uv_timer_get_repeat(&repeat_1) == 50);

  /*

   * Start another repeating timer. It'll be again()ed by the repeat_1 so

   * it should not time out until repeat_1 stops.

   */

  r = uv_timer_init(uv_default_loop(), &repeat_2);

  ASSERT(r == 0);

  r = uv_timer_start(&repeat_2, repeat_2_cb, 100, 100);

  ASSERT(r == 0);

  ASSERT(uv_timer_get_repeat(&repeat_2) == 100);

  uv_run(uv_default_loop(), UV_RUN_DEFAULT);

  ASSERT(repeat_1_cb_called == 10);

  ASSERT(repeat_2_cb_called == 2);

  ASSERT(close_cb_called == 2);

  fprintf(stderr, "Test took %ld ms (expected ~700 ms)\n",

          (long int)(uv_now(uv_default_loop()) - start_time));

  fflush(stderr);

  MAKE_VALGRIND_HAPPY();

  return 0;

}