dlls/winhttp/tests/notification.c

   1 /*
   2  * test status notifications
   3  *
   4  * Copyright 2008 Hans Leidekker for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <stdlib.h>
  23 #include <windef.h>
  24 #include <winbase.h>
  25 #include <winhttp.h>
  26
  27 #include "wine/test.h"
  28
  29 static const WCHAR user_agent[] = {'w','i','n','e','t','e','s','t',0};
  30
  31 enum api
  32 {
  33     winhttp_connect = 1,
  34     winhttp_open_request,
  35     winhttp_send_request,
  36     winhttp_receive_response,
  37     winhttp_query_data,
  38     winhttp_read_data,
  39     winhttp_write_data,
  40     winhttp_close_handle
  41 };
  42
  43 struct notification
  44 {
  45     enum api function;      /* api responsible for notification */
  46     unsigned int status;    /* status received */
  47     int todo;
  48     int ignore;
  49     int skipped_for_proxy;
  50 };
  51
  52 struct info
  53 {
  54     enum api function;
  55     const struct notification *test;
  56     unsigned int count;
  57     unsigned int index;
  58     HANDLE wait;
  59     unsigned int line;
  60 };
  61
  62 static BOOL proxy_active(void)
  63 {
  64     WINHTTP_PROXY_INFO proxy_info;
  65     BOOL active = FALSE;
  66
  67     if (WinHttpGetDefaultProxyConfiguration(&proxy_info))
  68     {
  69         active = (proxy_info.lpszProxy != NULL);
  70         if (active)
  71             GlobalFree((HGLOBAL) proxy_info.lpszProxy);
  72         if (proxy_info.lpszProxyBypass != NULL)
  73             GlobalFree((HGLOBAL) proxy_info.lpszProxyBypass);
  74     }
  75     else
  76        active = FALSE;
  77
  78     return active;
  79 }
  80
  81 static void CALLBACK check_notification( HINTERNET handle, DWORD_PTR context, DWORD status, LPVOID buffer, DWORD buflen )
  82 {
  83     BOOL status_ok, function_ok;
  84     struct info *info = (struct info *)context;
  85     unsigned int i = info->index;
  86
  87     if (status == WINHTTP_CALLBACK_STATUS_HANDLE_CREATED)
  88     {
  89         DWORD size = sizeof(struct info *);
  90         WinHttpQueryOption( handle, WINHTTP_OPTION_CONTEXT_VALUE, &info, &size );
  91     }
  92     ok(i < info->count, "unexpected notification 0x%08x\n", status);
  93     if (i >= info->count) return;
  94
  95     status_ok   = (info->test[i].status == status);
  96     function_ok = (info->test[i].function == info->function);
  97     if (!info->test[i].ignore && !info->test[i].todo)
  98     {
  99         ok(status_ok, "%u: expected status 0x%08x got 0x%08x\n", info->line, info->test[i].status, status);
 100         ok(function_ok, "%u: expected function %u got %u\n", info->line, info->test[i].function, info->function);
 101     }
 102     else if (!info->test[i].ignore)
 103     {
 104         todo_wine ok(status_ok, "%u: expected status 0x%08x got 0x%08x\n", info->line, info->test[i].status, status);
 105         if (status_ok)
 106         {
 107             todo_wine ok(function_ok, "%u: expected function %u got %u\n", info->line, info->test[i].function, info->function);
 108         }
 109     }
 110     if (status_ok) info->index++;
 111     if (proxy_active())
 112     {
 113         while (info->test[info->index].skipped_for_proxy)
 114             info->index++;
 115     }
 116
 117     if (status & (WINHTTP_CALLBACK_FLAG_ALL_COMPLETIONS | WINHTTP_CALLBACK_STATUS_HANDLE_CLOSING))
 118     {
 119         SetEvent( info->wait );
 120     }
 121 }
 122
 123 static const struct notification cache_test[] =
 124 {
 125     { winhttp_connect,          WINHTTP_CALLBACK_STATUS_HANDLE_CREATED, 0 },
 126     { winhttp_open_request,     WINHTTP_CALLBACK_STATUS_HANDLE_CREATED, 0 },
 127     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_RESOLVING_NAME, 0 },
 128     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_NAME_RESOLVED, 0 },
 129     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER, 0 },
 130     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER, 0 },
 131     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_SENDING_REQUEST, 0 },
 132     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_REQUEST_SENT, 0 },
 133     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE, 0 },
 134     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED, 0 },
 135     { winhttp_close_handle,     WINHTTP_CALLBACK_STATUS_CLOSING_CONNECTION, 0, 1 },
 136     { winhttp_close_handle,     WINHTTP_CALLBACK_STATUS_CONNECTION_CLOSED, 0, 1 },
 137     { winhttp_close_handle,     WINHTTP_CALLBACK_STATUS_HANDLE_CLOSING, 0, 1 },
 138     { winhttp_close_handle,     WINHTTP_CALLBACK_STATUS_HANDLE_CLOSING, 1, 1 },
 139     { winhttp_close_handle,     WINHTTP_CALLBACK_STATUS_HANDLE_CLOSING, 1, 1 }
 140 };
 141
 142 static void setup_test( struct info *info, enum api function, unsigned int line )
 143 {
 144     info->function = function;
 145     info->line = line;
 146 }
 147
 148 static void test_connection_cache( void )
 149 {
 150     static const WCHAR codeweavers[] = {'w','w','w','.','c','o','d','e','w','e','a','v','e','r','s','.','c','o','m',0};
 151
 152     HANDLE ses, con, req;
 153     DWORD size, status;
 154     BOOL ret;
 155     struct info info, *context = &info;
 156
 157     info.test  = cache_test;
 158     info.count = sizeof(cache_test) / sizeof(cache_test[0]);
 159     info.index = 0;
 160     info.wait = NULL;
 161
 162     ses = WinHttpOpen( user_agent, 0, NULL, NULL, 0 );
 163     ok(ses != NULL, "failed to open session %u\n", GetLastError());
 164
 165     WinHttpSetStatusCallback( ses, check_notification, WINHTTP_CALLBACK_FLAG_ALL_NOTIFICATIONS, 0 );
 166
 167     ret = WinHttpSetOption( ses, WINHTTP_OPTION_CONTEXT_VALUE, &context, sizeof(struct info *) );
 168     ok(ret, "failed to set context value %u\n", GetLastError());
 169
 170     setup_test( &info, winhttp_connect, __LINE__ );
 171     con = WinHttpConnect( ses, codeweavers, 0, 0 );
 172     ok(con != NULL, "failed to open a connection %u\n", GetLastError());
 173
 174     setup_test( &info, winhttp_open_request, __LINE__ );
 175     req = WinHttpOpenRequest( con, NULL, NULL, NULL, NULL, NULL, 0 );
 176     ok(req != NULL, "failed to open a request %u\n", GetLastError());
 177
 178     setup_test( &info, winhttp_send_request, __LINE__ );
 179     ret = WinHttpSendRequest( req, NULL, 0, NULL, 0, 0, 0 );
 180     ok(ret, "failed to send request %u\n", GetLastError());
 181
 182     setup_test( &info, winhttp_receive_response, __LINE__ );
 183     ret = WinHttpReceiveResponse( req, NULL );
 184     ok(ret, "failed to receive response %u\n", GetLastError());
 185
 186     size = sizeof(status);
 187     ret = WinHttpQueryHeaders( req, WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER, NULL, &status, &size, NULL );
 188     ok(ret, "failed unexpectedly %u\n", GetLastError());
 189     ok(status == 200, "request failed unexpectedly %u\n", status);
 190
 191     setup_test( &info, winhttp_close_handle, __LINE__ );
 192     WinHttpCloseHandle( req );
 193     WinHttpCloseHandle( con );
 194     WinHttpCloseHandle( ses );
 195
 196     Sleep(2000); /* make sure connection is evicted from cache */
 197
 198     info.index = 0;
 199
 200     ses = WinHttpOpen( user_agent, 0, NULL, NULL, 0 );
 201     ok(ses != NULL, "failed to open session %u\n", GetLastError());
 202
 203     WinHttpSetStatusCallback( ses, check_notification, WINHTTP_CALLBACK_FLAG_ALL_NOTIFICATIONS, 0 );
 204
 205     ret = WinHttpSetOption( ses, WINHTTP_OPTION_CONTEXT_VALUE, &context, sizeof(struct info *) );
 206     ok(ret, "failed to set context value %u\n", GetLastError());
 207
 208     setup_test( &info, winhttp_connect, __LINE__ );
 209     con = WinHttpConnect( ses, codeweavers, 0, 0 );
 210     ok(con != NULL, "failed to open a connection %u\n", GetLastError());
 211
 212     setup_test( &info, winhttp_open_request, __LINE__ );
 213     req = WinHttpOpenRequest( con, NULL, NULL, NULL, NULL, NULL, 0 );
 214     ok(req != NULL, "failed to open a request %u\n", GetLastError());
 215
 216     ret = WinHttpSetOption( req, WINHTTP_OPTION_CONTEXT_VALUE, &context, sizeof(struct info *) );
 217     ok(ret, "failed to set context value %u\n", GetLastError());
 218
 219     setup_test( &info, winhttp_send_request, __LINE__ );
 220     ret = WinHttpSendRequest( req, NULL, 0, NULL, 0, 0, 0 );
 221     ok(ret, "failed to send request %u\n", GetLastError());
 222
 223     setup_test( &info, winhttp_receive_response, __LINE__ );
 224     ret = WinHttpReceiveResponse( req, NULL );
 225     ok(ret, "failed to receive response %u\n", GetLastError());
 226
 227     size = sizeof(status);
 228     ret = WinHttpQueryHeaders( req, WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER, NULL, &status, &size, NULL );
 229     ok(ret, "failed unexpectedly %u\n", GetLastError());
 230     ok(status == 200, "request failed unexpectedly %u\n", status);
 231
 232     setup_test( &info, winhttp_close_handle, __LINE__ );
 233     WinHttpCloseHandle( req );
 234     WinHttpCloseHandle( con );
 235     WinHttpCloseHandle( ses );
 236 }
 237
 238 static const struct notification redirect_test[] =
 239 {
 240     { winhttp_connect,          WINHTTP_CALLBACK_STATUS_HANDLE_CREATED, 0 },
 241     { winhttp_open_request,     WINHTTP_CALLBACK_STATUS_HANDLE_CREATED, 0 },
 242     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_RESOLVING_NAME, 0 },
 243     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_NAME_RESOLVED, 0 },
 244     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER, 0 },
 245     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER, 0 },
 246     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_SENDING_REQUEST, 0 },
 247     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_REQUEST_SENT, 0 },
 248     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE, 0 },
 249     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED, 0 },
 250     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_REDIRECT, 0 },
 251     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_RESOLVING_NAME, 0, 0, 1 },
 252     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_NAME_RESOLVED, 0, 0, 1 },
 253     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER, 0, 0, 1 },
 254     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER, 0, 0, 1 },
 255     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_SENDING_REQUEST, 0 },
 256     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_REQUEST_SENT, 0 },
 257     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE, 0 },
 258     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED, 0 },
 259     { winhttp_close_handle,     WINHTTP_CALLBACK_STATUS_CLOSING_CONNECTION, 0, 1 },
 260     { winhttp_close_handle,     WINHTTP_CALLBACK_STATUS_CONNECTION_CLOSED, 0, 1 },
 261     { winhttp_close_handle,     WINHTTP_CALLBACK_STATUS_HANDLE_CLOSING, 0, 1 },
 262     { winhttp_close_handle,     WINHTTP_CALLBACK_STATUS_HANDLE_CLOSING, 1, 1 },
 263     { winhttp_close_handle,     WINHTTP_CALLBACK_STATUS_HANDLE_CLOSING, 1, 1 }
 264 };
 265
 266 static void test_redirect( void )
 267 {
 268     static const WCHAR codeweavers[] = {'c','o','d','e','w','e','a','v','e','r','s','.','c','o','m',0};
 269
 270     HANDLE ses, con, req;
 271     DWORD size, status;
 272     BOOL ret;
 273     struct info info, *context = &info;
 274
 275     info.test  = redirect_test;
 276     info.count = sizeof(redirect_test) / sizeof(redirect_test[0]);
 277     info.index = 0;
 278     info.wait = NULL;
 279
 280     ses = WinHttpOpen( user_agent, 0, NULL, NULL, 0 );
 281     ok(ses != NULL, "failed to open session %u\n", GetLastError());
 282
 283     WinHttpSetStatusCallback( ses, check_notification, WINHTTP_CALLBACK_FLAG_ALL_NOTIFICATIONS, 0 );
 284
 285     ret = WinHttpSetOption( ses, WINHTTP_OPTION_CONTEXT_VALUE, &context, sizeof(struct info *) );
 286     ok(ret, "failed to set context value %u\n", GetLastError());
 287
 288     setup_test( &info, winhttp_connect, __LINE__ );
 289     con = WinHttpConnect( ses, codeweavers, 0, 0 );
 290     ok(con != NULL, "failed to open a connection %u\n", GetLastError());
 291
 292     setup_test( &info, winhttp_open_request, __LINE__ );
 293     req = WinHttpOpenRequest( con, NULL, NULL, NULL, NULL, NULL, 0 );
 294     ok(req != NULL, "failed to open a request %u\n", GetLastError());
 295
 296     setup_test( &info, winhttp_send_request, __LINE__ );
 297     ret = WinHttpSendRequest( req, NULL, 0, NULL, 0, 0, 0 );
 298     ok(ret, "failed to send request %u\n", GetLastError());
 299
 300     setup_test( &info, winhttp_receive_response, __LINE__ );
 301     ret = WinHttpReceiveResponse( req, NULL );
 302     ok(ret, "failed to receive response %u\n", GetLastError());
 303
 304     size = sizeof(status);
 305     ret = WinHttpQueryHeaders( req, WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER, NULL, &status, &size, NULL );
 306     ok(ret, "failed unexpectedly %u\n", GetLastError());
 307     ok(status == 200, "request failed unexpectedly %u\n", status);
 308
 309     setup_test( &info, winhttp_close_handle, __LINE__ );
 310     WinHttpCloseHandle( req );
 311     WinHttpCloseHandle( con );
 312     WinHttpCloseHandle( ses );
 313 }
 314
 315 static const struct notification async_test[] =
 316 {
 317     { winhttp_connect,          WINHTTP_CALLBACK_STATUS_HANDLE_CREATED, 0 },
 318     { winhttp_open_request,     WINHTTP_CALLBACK_STATUS_HANDLE_CREATED, 0 },
 319     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_RESOLVING_NAME, 0 },
 320     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_NAME_RESOLVED, 0 },
 321     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER, 0 },
 322     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER, 0 },
 323     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_SENDING_REQUEST, 0 },
 324     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_REQUEST_SENT, 0 },
 325     { winhttp_send_request,     WINHTTP_CALLBACK_STATUS_SENDREQUEST_COMPLETE, 0 },
 326     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE, 0 },
 327     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED, 0 },
 328     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_REDIRECT, 0 },
 329     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_RESOLVING_NAME, 0, 0, 1 },
 330     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_NAME_RESOLVED, 0, 0, 1 },
 331     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_CONNECTING_TO_SERVER, 0, 0, 1 },
 332     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_CONNECTED_TO_SERVER, 0, 0, 1 },
 333     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_SENDING_REQUEST, 0 },
 334     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_REQUEST_SENT, 0 },
 335     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE, 0 },
 336     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED, 0 },
 337     { winhttp_receive_response, WINHTTP_CALLBACK_STATUS_HEADERS_AVAILABLE, 0 },
 338     { winhttp_query_data,       WINHTTP_CALLBACK_STATUS_DATA_AVAILABLE, 0 },
 339     { winhttp_read_data,        WINHTTP_CALLBACK_STATUS_RECEIVING_RESPONSE, 0, 1 },
 340     { winhttp_read_data,        WINHTTP_CALLBACK_STATUS_RESPONSE_RECEIVED, 0, 1 },
 341     { winhttp_read_data,        WINHTTP_CALLBACK_STATUS_READ_COMPLETE, 0, 1 },
 342     { winhttp_close_handle,     WINHTTP_CALLBACK_STATUS_CLOSING_CONNECTION, 0, 1 },
 343     { winhttp_close_handle,     WINHTTP_CALLBACK_STATUS_CONNECTION_CLOSED, 0, 1 },
 344     { winhttp_close_handle,     WINHTTP_CALLBACK_STATUS_HANDLE_CLOSING, 0, 1 },
 345     { winhttp_close_handle,     WINHTTP_CALLBACK_STATUS_HANDLE_CLOSING, 1, 1 },
 346     { winhttp_close_handle,     WINHTTP_CALLBACK_STATUS_HANDLE_CLOSING, 1, 1 }
 347 };
 348
 349 static void test_async( void )
 350 {
 351     static const WCHAR codeweavers[] = {'c','o','d','e','w','e','a','v','e','r','s','.','c','o','m',0};
 352
 353     HANDLE ses, con, req;
 354     DWORD size, status;
 355     BOOL ret;
 356     struct info info, *context = &info;
 357     char buffer[1024];
 358
 359     info.test  = async_test;
 360     info.count = sizeof(async_test) / sizeof(async_test[0]);
 361     info.index = 0;
 362     info.wait = CreateEvent( NULL, FALSE, FALSE, NULL );
 363
 364     ses = WinHttpOpen( user_agent, 0, NULL, NULL, WINHTTP_FLAG_ASYNC );
 365     ok(ses != NULL, "failed to open session %u\n", GetLastError());
 366
 367     WinHttpSetStatusCallback( ses, check_notification, WINHTTP_CALLBACK_FLAG_ALL_NOTIFICATIONS, 0 );
 368
 369     ret = WinHttpSetOption( ses, WINHTTP_OPTION_CONTEXT_VALUE, &context, sizeof(struct info *) );
 370     ok(ret, "failed to set context value %u\n", GetLastError());
 371
 372     setup_test( &info, winhttp_connect, __LINE__ );
 373     con = WinHttpConnect( ses, codeweavers, 0, 0 );
 374     ok(con != NULL, "failed to open a connection %u\n", GetLastError());
 375
 376     setup_test( &info, winhttp_open_request, __LINE__ );
 377     req = WinHttpOpenRequest( con, NULL, NULL, NULL, NULL, NULL, 0 );
 378     ok(req != NULL, "failed to open a request %u\n", GetLastError());
 379
 380     setup_test( &info, winhttp_send_request, __LINE__ );
 381     ret = WinHttpSendRequest( req, NULL, 0, NULL, 0, 0, 0 );
 382     ok(ret, "failed to send request %u\n", GetLastError());
 383
 384     WaitForSingleObject( info.wait, INFINITE );
 385
 386     setup_test( &info, winhttp_receive_response, __LINE__ );
 387     ret = WinHttpReceiveResponse( req, NULL );
 388     ok(ret, "failed to receive response %u\n", GetLastError());
 389
 390     WaitForSingleObject( info.wait, INFINITE );
 391
 392     size = sizeof(status);
 393     ret = WinHttpQueryHeaders( req, WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER, NULL, &status, &size, NULL );
 394     ok(ret, "failed unexpectedly %u\n", GetLastError());
 395     ok(status == 200, "request failed unexpectedly %u\n", status);
 396
 397     setup_test( &info, winhttp_query_data, __LINE__ );
 398     ret = WinHttpQueryDataAvailable( req, NULL );
 399     ok(ret, "failed to query data available %u\n", GetLastError());
 400
 401     WaitForSingleObject( info.wait, INFINITE );
 402
 403     setup_test( &info, winhttp_read_data, __LINE__ );
 404     ret = WinHttpReadData( req, buffer, sizeof(buffer), NULL );
 405     ok(ret, "failed to query data available %u\n", GetLastError());
 406
 407     WaitForSingleObject( info.wait, INFINITE );
 408
 409     setup_test( &info, winhttp_close_handle, __LINE__ );
 410     WinHttpCloseHandle( req );
 411     WinHttpCloseHandle( con );
 412     WinHttpCloseHandle( ses );
 413
 414     WaitForSingleObject( info.wait, INFINITE );
 415     CloseHandle( info.wait );
 416 }
 417
 418 START_TEST (notification)
 419 {
 420     test_connection_cache();
 421     test_redirect();
 422     Sleep(2000); /* make sure previous connection is evicted from cache */
 423     test_async();
 424 }