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      1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
      2  *
      3  * Permission is hereby granted, free of charge, to any person obtaining a copy
      4  * of this software and associated documentation files (the "Software"), to
      5  * deal in the Software without restriction, including without limitation the
      6  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
      7  * sell copies of the Software, and to permit persons to whom the Software is
      8  * furnished to do so, subject to the following conditions:
      9  *
     10  * The above copyright notice and this permission notice shall be included in
     11  * all copies or substantial portions of the Software.
     12  *
     13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     18  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     19  * IN THE SOFTWARE.
     20  */
     21 
     22 #include "uv.h"
     23 #include "task.h"
     24 
     25 static uv_prepare_t prepare_handle;
     26 static uv_check_t check_handle;
     27 static uv_timer_t timer_handle;
     28 
     29 static int prepare_cb_called;
     30 static int check_cb_called;
     31 static int timer_cb_called;
     32 
     33 
     34 static void prepare_cb(uv_prepare_t* handle) {
     35   ASSERT_OK(uv_prepare_stop(&prepare_handle));
     36   ASSERT_OK(prepare_cb_called);
     37   ASSERT_EQ(1, check_cb_called);
     38   ASSERT_OK(timer_cb_called);
     39   prepare_cb_called++;
     40 }
     41 
     42 
     43 static void timer_cb(uv_timer_t* handle) {
     44   ASSERT_OK(uv_timer_stop(&timer_handle));
     45   ASSERT_EQ(1, prepare_cb_called);
     46   ASSERT_EQ(1, check_cb_called);
     47   ASSERT_OK(timer_cb_called);
     48   timer_cb_called++;
     49 }
     50 
     51 
     52 static void check_cb(uv_check_t* handle) {
     53   ASSERT_OK(uv_check_stop(&check_handle));
     54   ASSERT_OK(uv_timer_stop(&timer_handle));  /* Runs before timer_cb. */
     55   ASSERT_OK(uv_timer_start(&timer_handle, timer_cb, 50, 0));
     56   ASSERT_OK(uv_prepare_start(&prepare_handle, prepare_cb));
     57   ASSERT_OK(prepare_cb_called);
     58   ASSERT_OK(check_cb_called);
     59   ASSERT_OK(timer_cb_called);
     60   check_cb_called++;
     61 }
     62 
     63 
     64 TEST_IMPL(timer_from_check) {
     65   ASSERT_OK(uv_prepare_init(uv_default_loop(), &prepare_handle));
     66   ASSERT_OK(uv_check_init(uv_default_loop(), &check_handle));
     67   ASSERT_OK(uv_check_start(&check_handle, check_cb));
     68   ASSERT_OK(uv_timer_init(uv_default_loop(), &timer_handle));
     69   ASSERT_OK(uv_timer_start(&timer_handle, timer_cb, 50, 0));
     70   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
     71   ASSERT_EQ(1, prepare_cb_called);
     72   ASSERT_EQ(1, check_cb_called);
     73   ASSERT_EQ(1, timer_cb_called);
     74   uv_close((uv_handle_t*) &prepare_handle, NULL);
     75   uv_close((uv_handle_t*) &check_handle, NULL);
     76   uv_close((uv_handle_t*) &timer_handle, NULL);
     77   ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_ONCE));
     78   MAKE_VALGRIND_HAPPY(uv_default_loop());
     79   return 0;
     80 }
     81