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      1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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      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
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      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 
     26 static int close_cb_called = 0;
     27 static int repeat_1_cb_called = 0;
     28 static int repeat_2_cb_called = 0;
     29 
     30 static int repeat_2_cb_allowed = 0;
     31 
     32 static uv_timer_t dummy, repeat_1, repeat_2;
     33 
     34 static uint64_t start_time;
     35 
     36 
     37 static void close_cb(uv_handle_t* handle) {
     38   ASSERT_NOT_NULL(handle);
     39 
     40   close_cb_called++;
     41 }
     42 
     43 
     44 static void repeat_1_cb(uv_timer_t* handle) {
     45   int r;
     46 
     47   ASSERT_PTR_EQ(handle, &repeat_1);
     48   ASSERT_EQ(50, uv_timer_get_repeat((uv_timer_t*)handle));
     49 
     50   fprintf(stderr, "repeat_1_cb called after %ld ms\n",
     51           (long int)(uv_now(uv_default_loop()) - start_time));
     52   fflush(stderr);
     53 
     54   repeat_1_cb_called++;
     55 
     56   r = uv_timer_again(&repeat_2);
     57   ASSERT_OK(r);
     58 
     59   if (repeat_1_cb_called == 10) {
     60     uv_close((uv_handle_t*)handle, close_cb);
     61     /* We're not calling uv_timer_again on repeat_2 any more, so after this
     62      * timer_2_cb is expected. */
     63     repeat_2_cb_allowed = 1;
     64     return;
     65   }
     66 }
     67 
     68 
     69 static void repeat_2_cb(uv_timer_t* handle) {
     70   ASSERT_PTR_EQ(handle, &repeat_2);
     71   ASSERT(repeat_2_cb_allowed);
     72 
     73   fprintf(stderr, "repeat_2_cb called after %ld ms\n",
     74           (long int)(uv_now(uv_default_loop()) - start_time));
     75   fflush(stderr);
     76 
     77   repeat_2_cb_called++;
     78 
     79   if (uv_timer_get_repeat(&repeat_2) == 0) {
     80     ASSERT_OK(uv_is_active((uv_handle_t*) handle));
     81     uv_close((uv_handle_t*)handle, close_cb);
     82     return;
     83   }
     84 
     85   fprintf(stderr, "uv_timer_get_repeat %ld ms\n",
     86           (long int)uv_timer_get_repeat(&repeat_2));
     87   fflush(stderr);
     88   ASSERT_EQ(100, uv_timer_get_repeat(&repeat_2));
     89 
     90   /* This shouldn't take effect immediately. */
     91   uv_timer_set_repeat(&repeat_2, 0);
     92 }
     93 
     94 
     95 TEST_IMPL(timer_again) {
     96   int r;
     97 
     98   start_time = uv_now(uv_default_loop());
     99   ASSERT_LT(0, start_time);
    100 
    101   /* Verify that it is not possible to uv_timer_again a never-started timer. */
    102   r = uv_timer_init(uv_default_loop(), &dummy);
    103   ASSERT_OK(r);
    104   r = uv_timer_again(&dummy);
    105   ASSERT_EQ(r, UV_EINVAL);
    106   uv_unref((uv_handle_t*)&dummy);
    107 
    108   /* Start timer repeat_1. */
    109   r = uv_timer_init(uv_default_loop(), &repeat_1);
    110   ASSERT_OK(r);
    111   r = uv_timer_start(&repeat_1, repeat_1_cb, 50, 0);
    112   ASSERT_OK(r);
    113   ASSERT_OK(uv_timer_get_repeat(&repeat_1));
    114 
    115   /* Actually make repeat_1 repeating. */
    116   uv_timer_set_repeat(&repeat_1, 50);
    117   ASSERT_EQ(50, uv_timer_get_repeat(&repeat_1));
    118 
    119   /*
    120    * Start another repeating timer. It'll be again()ed by the repeat_1 so
    121    * it should not time out until repeat_1 stops.
    122    */
    123   r = uv_timer_init(uv_default_loop(), &repeat_2);
    124   ASSERT_OK(r);
    125   r = uv_timer_start(&repeat_2, repeat_2_cb, 100, 100);
    126   ASSERT_OK(r);
    127   ASSERT_EQ(100, uv_timer_get_repeat(&repeat_2));
    128 
    129   uv_run(uv_default_loop(), UV_RUN_DEFAULT);
    130 
    131   ASSERT_EQ(10, repeat_1_cb_called);
    132   ASSERT_EQ(2, repeat_2_cb_called);
    133   ASSERT_EQ(2, close_cb_called);
    134 
    135   fprintf(stderr, "Test took %ld ms (expected ~700 ms)\n",
    136           (long int)(uv_now(uv_default_loop()) - start_time));
    137   fflush(stderr);
    138 
    139   MAKE_VALGRIND_HAPPY(uv_default_loop());
    140   return 0;
    141 }
    142