int main(int argc, char **argv) {
  grpc_test_init(argc, argv);

  grpc_init();
  gpr_mu_init(&g_mu);
  grpc_blocking_resolve_address = my_resolve_address;

  grpc_resolver *resolver = create_resolver("dns:test");

  grpc_resolver_result *result = (grpc_resolver_result *)1;

  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
  gpr_event ev1;
  gpr_event_init(&ev1);
  grpc_resolver_next(&exec_ctx, resolver, &result,
                     grpc_closure_create(on_done, &ev1));
  grpc_exec_ctx_flush(&exec_ctx);
  GPR_ASSERT(wait_loop(5, &ev1));
  GPR_ASSERT(result == NULL);

  gpr_event ev2;
  gpr_event_init(&ev2);
  grpc_resolver_next(&exec_ctx, resolver, &result,
                     grpc_closure_create(on_done, &ev2));
  grpc_exec_ctx_flush(&exec_ctx);
  GPR_ASSERT(wait_loop(30, &ev2));
  GPR_ASSERT(result != NULL);

  grpc_resolver_result_unref(&exec_ctx, result);
  GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test");
  grpc_exec_ctx_finish(&exec_ctx);

  grpc_shutdown();
  gpr_mu_destroy(&g_mu);
}
int main(int argc, char **argv) {
  grpc_test_init(argc, argv);

  grpc_init();
  gpr_mu_init(&g_mu);
  g_combiner = grpc_combiner_create();
  grpc_resolve_address = my_resolve_address;
  grpc_dns_lookup_ares = my_dns_lookup_ares;
  grpc_channel_args *result = (grpc_channel_args *)1;

  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
  grpc_resolver *resolver = create_resolver(&exec_ctx, "dns:test");
  gpr_event ev1;
  gpr_event_init(&ev1);
  call_resolver_next_after_locking(
      &exec_ctx, resolver, &result,
      GRPC_CLOSURE_CREATE(on_done, &ev1, grpc_schedule_on_exec_ctx));
  grpc_exec_ctx_flush(&exec_ctx);
  GPR_ASSERT(wait_loop(5, &ev1));
  GPR_ASSERT(result == NULL);

  gpr_event ev2;
  gpr_event_init(&ev2);
  call_resolver_next_after_locking(
      &exec_ctx, resolver, &result,
      GRPC_CLOSURE_CREATE(on_done, &ev2, grpc_schedule_on_exec_ctx));
  grpc_exec_ctx_flush(&exec_ctx);
  GPR_ASSERT(wait_loop(30, &ev2));
  GPR_ASSERT(result != NULL);

  grpc_channel_args_destroy(&exec_ctx, result);
  GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test");
  GRPC_COMBINER_UNREF(&exec_ctx, g_combiner, "test");
  grpc_exec_ctx_finish(&exec_ctx);

  grpc_shutdown();
  gpr_mu_destroy(&g_mu);
}