test-callback-order.c

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#include "uv.h"
#include "task.h"
 
static int idle_cb_called;
static int timer_cb_called;
 
static uv_idle_t idle_handle;
static uv_timer_t timer_handle;
 
 
/* idle_cb should run before timer_cb */
static void idle_cb(uv_idle_t* handle) {
  ASSERT(idle_cb_called == 0);
  ASSERT(timer_cb_called == 0);
  uv_idle_stop(handle);
  idle_cb_called++;
}
 
 
static void timer_cb(uv_timer_t* handle) {
  ASSERT(idle_cb_called == 1);
  ASSERT(timer_cb_called == 0);
  uv_timer_stop(handle);
  timer_cb_called++;
}
 
 
static void next_tick(uv_idle_t* handle) {
  uv_loop_t* loop = handle->loop;
  uv_idle_stop(handle);
  uv_idle_init(loop, &idle_handle);
  uv_idle_start(&idle_handle, idle_cb);
  uv_timer_init(loop, &timer_handle);
  uv_timer_start(&timer_handle, timer_cb, 0, 0);
}
 
 
TEST_IMPL(callback_order) {
  uv_loop_t* loop;
  uv_idle_t idle;
 
  loop = uv_default_loop();
  uv_idle_init(loop, &idle);
  uv_idle_start(&idle, next_tick);
 
  ASSERT(idle_cb_called == 0);
  ASSERT(timer_cb_called == 0);
 
  uv_run(loop, UV_RUN_DEFAULT);
 
  ASSERT(idle_cb_called == 1);
  ASSERT(timer_cb_called == 1);
 
  MAKE_VALGRIND_HAPPY();
  return 0;
}