test-timer-from-check.c

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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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#include "uv.h"
#include "task.h"
 
static uv_prepare_t prepare_handle;
static uv_check_t check_handle;
static uv_timer_t timer_handle;
 
static int prepare_cb_called;
static int check_cb_called;
static int timer_cb_called;
 
 
static void prepare_cb(uv_prepare_t* handle) {
  ASSERT(0 == uv_prepare_stop(&prepare_handle));
  ASSERT(0 == prepare_cb_called);
  ASSERT(1 == check_cb_called);
  ASSERT(0 == timer_cb_called);
  prepare_cb_called++;
}
 
 
static void timer_cb(uv_timer_t* handle) {
  ASSERT(0 == uv_timer_stop(&timer_handle));
  ASSERT(1 == prepare_cb_called);
  ASSERT(1 == check_cb_called);
  ASSERT(0 == timer_cb_called);
  timer_cb_called++;
}
 
 
static void check_cb(uv_check_t* handle) {
  ASSERT(0 == uv_check_stop(&check_handle));
  ASSERT(0 == uv_timer_stop(&timer_handle));  /* Runs before timer_cb. */
  ASSERT(0 == uv_timer_start(&timer_handle, timer_cb, 50, 0));
  ASSERT(0 == uv_prepare_start(&prepare_handle, prepare_cb));
  ASSERT(0 == prepare_cb_called);
  ASSERT(0 == check_cb_called);
  ASSERT(0 == timer_cb_called);
  check_cb_called++;
}
 
 
TEST_IMPL(timer_from_check) {
  ASSERT(0 == uv_prepare_init(uv_default_loop(), &prepare_handle));
  ASSERT(0 == uv_check_init(uv_default_loop(), &check_handle));
  ASSERT(0 == uv_check_start(&check_handle, check_cb));
  ASSERT(0 == uv_timer_init(uv_default_loop(), &timer_handle));
  ASSERT(0 == uv_timer_start(&timer_handle, timer_cb, 50, 0));
  ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
  ASSERT(1 == prepare_cb_called);
  ASSERT(1 == check_cb_called);
  ASSERT(1 == timer_cb_called);
  uv_close((uv_handle_t*) &prepare_handle, NULL);
  uv_close((uv_handle_t*) &check_handle, NULL);
  uv_close((uv_handle_t*) &timer_handle, NULL);
  ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_ONCE));
  MAKE_VALGRIND_HAPPY();
  return 0;
}