dlls/kernel32/tests/comm.c

   1 /* Unit test suite for comm functions
   2  *
   3  * Copyright 2003 Kevin Groeneveld
   4  * Copyright 2005 Uwe Bonnes
   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 <stdio.h>
  22
  23 #include "wine/test.h"
  24 #include "winbase.h"
  25 #include "winnls.h"
  26
  27 #define TIMEOUT 1000   /* one second for Timeouts*/
  28 #define SLOWBAUD 150
  29 #define FASTBAUD 115200
  30 #define TIMEDELTA 150  /* 150 ms uncertainty allowed */
  31
  32 /* Define the appropriate LOOPBACK(s) TRUE if you have a Loopback cable with
  33  * the mentioned shorts connected to your Serial port
  34  */
  35 #define LOOPBACK_TXD_RXD  FALSE /* Sub-D 9: Short 2-3 */
  36 #define LOOPBACK_CTS_RTS  FALSE /* Sub-D 9: Short 7-8 */
  37 #define LOOPBACK_DTR_DSR  FALSE /* Sub-D 9: Short 4-6 */
  38 #define LOOPBACK_DTR_RING FALSE /* Sub-D 9: Short 4-9 */
  39 #define LOOPBACK_DTR_DCD  FALSE /* Sub-D 9: Short 4-1 */
  40 /* Many Linux serial drivers have the TIOCM_LOOP flag in the TIOCM_SET ioctl
  41  * available. For the 8250 this is equivalent to TXD->RXD, OUT2->DCD,
  42  * OUT1->RI, RTS->CTS and DTR->DSR
  43  */
  44
  45 typedef struct
  46 {
  47         char string[100];
  48         BOOL result;
  49         BOOL old_style;
  50         DCB dcb1, dcb2;
  51         COMMTIMEOUTS timeouts1, timeouts2;
  52 } TEST;
  53
  54 static TEST test[] =
  55 {
  56         {
  57                 "baud=9600 parity=e data=5 stop=1 xon=on odsr=off octs=off dtr=on rts=on idsr=on",
  58                 TRUE, FALSE,
  59                 { 0x00000000, 0x00002580, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x05, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
  60                 { 0xffffffff, 0x00002580, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x05, 0x02, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
  61                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
  62                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
  63         },
  64         {
  65                 "baud=0 parity=M data=6 stop=1.5 xon=off odsr=on octs=ON dtr=off rts=off idsr=OFF",
  66                 TRUE, FALSE,
  67                 { 0x00000000, 0x00000000, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x06, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
  68                 { 0xffffffff, 0x00000000, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x06, 0x03, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
  69                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
  70                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
  71         },
  72         {
  73                 "BAUD=4000000000 parity=n data=7 stop=2 to=off",
  74                 TRUE, FALSE,
  75                 { 0x00000000, 0xee6b2800, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x07, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
  76                 { 0xffffffff, 0xee6b2800, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x07, 0x00, 0x02, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
  77                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
  78                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 }
  79         },
  80         {
  81                 "Baud=115200 Parity=O Data=8 To=On",
  82                 TRUE, FALSE,
  83                 { 0x00000000, 0x0001c200, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x08, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
  84                 { 0xffffffff, 0x0001c200, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x08, 0x01, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
  85                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x0000EA60 },
  86                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x0000EA60 }
  87         },
  88         {
  89                 "PaRiTy=s           Data=7          DTR=on",
  90                 TRUE, FALSE,
  91                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
  92                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x07, 0x04, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
  93                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
  94                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
  95         },
  96         {
  97                 "data=4",
  98                 FALSE, FALSE,
  99                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 100                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 101                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 102                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 103         },
 104         {
 105                 "data=9",
 106                 FALSE, FALSE,
 107                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 108                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 109                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 110                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 111         },
 112         {
 113                 "parity=no",
 114                 FALSE, FALSE,
 115                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 116                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 117                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 118                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 119         },
 120         {
 121                 "stop=0",
 122                 FALSE, FALSE,
 123                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 124                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 125                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 126                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 127         },
 128         {
 129                 "stop=1.501",
 130                 FALSE, FALSE,
 131                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 132                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 133                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 134                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 135         },
 136         {
 137                 "stop=3",
 138                 FALSE, FALSE,
 139                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 140                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 141                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 142                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 143         },
 144         {
 145                 "to=foobar",
 146                 FALSE, FALSE,
 147                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 148                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 149                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 150                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 151         },
 152         {
 153                 " baud=9600",
 154                 FALSE, FALSE,
 155                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 156                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 157                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 158                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 159         },
 160         {
 161                 "baud= 9600",
 162                 FALSE, FALSE,
 163                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 164                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 165                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 166                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 167         },
 168         {
 169                 "baud=9600,data=8",
 170                 FALSE, FALSE,
 171                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 172                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 173                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 174                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 175         },
 176         {
 177                 "11,n,8,1",
 178                 TRUE, TRUE,
 179                 { 0x00000000, 0x0000006e, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 180                 { 0xffffffff, 0x0000006e, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x08, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 181                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 182                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 183         },
 184         {
 185                 "30 ,E, 5,1.5",
 186                 TRUE, TRUE,
 187                 { 0x00000000, 0x0000012c, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x05, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 188                 { 0xffffffff, 0x0000012c, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x05, 0x02, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 189                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 190                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 191         },
 192         {
 193                 "60, m, 6, 2 ",
 194                 TRUE, TRUE,
 195                 { 0x00000000, 0x00000258, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x06, 0x03, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 196                 { 0xffffffff, 0x00000258, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x06, 0x03, 0x02, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 197                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 198                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 199         },
 200         {
 201                 "12 , o , 7 , 1",
 202                 TRUE, TRUE,
 203                 { 0x00000000, 0x000004b0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x07, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 204                 { 0xffffffff, 0x000004b0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x07, 0x01, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 205                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 206                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 207         },
 208         {
 209                 "24,s,8,1.5",
 210                 TRUE, TRUE,
 211                 { 0x00000000, 0x00000960, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x08, 0x04, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 212                 { 0xffffffff, 0x00000960, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x08, 0x04, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 213                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 214                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 215         },
 216         {
 217                 "48,n,8,1,p",
 218                 TRUE, TRUE,
 219                 { 0x00000000, 0x000012c0, 0, 0, 1, 1, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 220                 { 0xffffffff, 0x000012c0, 1, 1, 1, 1, 2, 1, 1, 0, 0, 1, 1, 2, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x08, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 221                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 222                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 223         },
 224         {
 225                 "96,N,8,1 , x ",
 226                 TRUE, TRUE,
 227                 { 0x00000000, 0x00002580, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 228                 { 0xffffffff, 0x00002580, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x08, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 229                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 230                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 231         },
 232         {
 233                 "19, e, 7, 1, x",
 234                 TRUE, TRUE,
 235                 { 0x00000000, 0x00004b00, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x07, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 236                 { 0xffffffff, 0x00004b00, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x07, 0x02, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 237                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 238                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 239         },
 240         {
 241                 "0,M,7,1,P",
 242                 TRUE, TRUE,
 243                 { 0x00000000, 0x00000000, 0, 0, 1, 1, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x07, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 244                 { 0xffffffff, 0x00000000, 1, 1, 1, 1, 2, 1, 1, 0, 0, 1, 1, 2, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x07, 0x03, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 245                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 246                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 247         },
 248         {
 249                 "4000000000,O,7,1.5,X",
 250                 TRUE, TRUE,
 251                 { 0x00000000, 0xee6b2800, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 252                 { 0xffffffff, 0xee6b2800, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x07, 0x01, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 253                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 254                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 255         },
 256         {
 257                 "96,N,8,1 to=on",
 258                 FALSE, TRUE,
 259                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 260                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 261                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 262                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 263         },
 264         {
 265                 "96,NO,8,1",
 266                 FALSE, TRUE,
 267                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 268                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 269                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 270                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 271         },
 272         {
 273                 "96,N,4,1",
 274                 FALSE, TRUE,
 275                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 276                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 277                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 278                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 279         },
 280         {
 281                 "96,N,9,1",
 282                 FALSE, TRUE,
 283                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 284                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 285                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 286                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 287         },
 288         {
 289                 "96,N,8,0",
 290                 FALSE, TRUE,
 291                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 292                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 293                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 294                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 295         },
 296         {
 297                 "96,N,8,3",
 298                 FALSE, TRUE,
 299                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 300                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 301                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 302                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 303         },
 304         {
 305                 "96,N,8,1,K",
 306                 FALSE, TRUE,
 307                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 308                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 309                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 310                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 311         },
 312         {
 313                 "COM0:baud=115200",
 314                 FALSE, FALSE,
 315                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 316                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 317                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 318                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 319         },
 320         {
 321                 "COMx:baud=38400 data=8",
 322                 TRUE, FALSE,
 323                 { 0x00000000, 0x00009600, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 324                 { 0xffffffff, 0x00009600, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x08, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 325                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 326                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 327         },
 328         {
 329                 "COMx  :to=on stop=1.5",
 330                 TRUE, FALSE,
 331                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 332                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 333                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x0000EA60 },
 334                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x0000EA60 }
 335         },
 336         {
 337                 "COMx:               baud=12345     data=7",
 338                 TRUE, FALSE,
 339                 { 0x00000000, 0x00003039, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 340                 { 0xffffffff, 0x00003039, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x07, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 341                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 342                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 343         },
 344         {
 345                 "COMx : xon=on odsr=off",
 346                 TRUE, FALSE,
 347                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 348                 { 0xffffffff, 0xffffffff, 1, 1, 1, 0, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 349                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 350                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 351         },
 352         {
 353                 "COM0:9600,N,8,1",
 354                 FALSE, TRUE,
 355                 { 0x00000000, 0x00000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 356                 { 0xffffffff, 0xffffffff, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 3, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 357                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 358                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 359         },
 360         {
 361                 "COMx:9600,N,8,1",
 362                 TRUE, TRUE,
 363                 { 0x00000000, 0x00002580, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 364                 { 0xffffffff, 0x00002580, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x08, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 365                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 366                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 367         },
 368         {
 369                 "COMx:  11,E,7,2",
 370                 TRUE, TRUE,
 371                 { 0x00000000, 0x0000006e, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x07, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 372                 { 0xffffffff, 0x0000006e, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x07, 0x02, 0x02, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 373                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 374                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 375         },
 376         {
 377                 "COMx  :19,M,5,1",
 378                 TRUE, TRUE,
 379                 { 0x00000000, 0x00004b00, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x05, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 380                 { 0xffffffff, 0x00004b00, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x05, 0x03, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 381                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 382                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 383         },
 384         {
 385                 "COMx  :    57600,S,6,2,x",
 386                 TRUE, TRUE,
 387                 { 0x00000000, 0x0000e100, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0x00000, 0x0000, 0x0000, 0x0000, 0x06, 0x04, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0000 },
 388                 { 0xffffffff, 0x0000e100, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0x1ffff, 0xffff, 0xffff, 0xffff, 0x06, 0x04, 0x02, 0xff, 0xff, 0xff, 0xff, 0xff, 0xffff },
 389                 { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 },
 390                 { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }
 391         },
 392 };
 393
 394 #define TEST_COUNT (sizeof(test) / sizeof(TEST))
 395
 396 /* This function can be useful if you are modifying the test cases and want to
 397    output the contents of a DCB structure. */
 398 /*static print_dcb(DCB *pdcb)
 399 {
 400         printf("0x%08x, 0x%08x, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u, 0x%05x, 0x%04x, 0x%04x, 0x%04x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%04x\n",
 401                 pdcb->DCBlength,
 402                 pdcb->BaudRate,
 403                 pdcb->fBinary,
 404                 pdcb->fParity,
 405                 pdcb->fOutxCtsFlow,
 406                 pdcb->fOutxDsrFlow,
 407                 pdcb->fDtrControl,
 408                 pdcb->fDsrSensitivity,
 409                 pdcb->fTXContinueOnXoff,
 410                 pdcb->fOutX,
 411                 pdcb->fInX,
 412                 pdcb->fErrorChar,
 413                 pdcb->fNull,
 414                 pdcb->fRtsControl,
 415                 pdcb->fAbortOnError,
 416                 pdcb->fDummy2,
 417                 pdcb->wReserved,
 418                 pdcb->XonLim,
 419                 pdcb->XoffLim,
 420                 pdcb->ByteSize,
 421                 pdcb->Parity,
 422                 pdcb->StopBits,
 423                 pdcb->XonChar & 0xff,
 424                 pdcb->XoffChar & 0xff,
 425                 pdcb->ErrorChar & 0xff,
 426                 pdcb->EofChar & 0xff,
 427                 pdcb->EvtChar & 0xff,
 428                 pdcb->wReserved1 & 0xffff );
 429 } */
 430
 431 static void check_result(const char *function, TEST *ptest, int initial_value, BOOL result)
 432 {
 433         DWORD LastError = GetLastError();
 434         DWORD CorrectError = (ptest->result ? 0xdeadbeef : ERROR_INVALID_PARAMETER);
 435
 436         ok(LastError == CorrectError, "%s(\"%s\"), 0x%02x: GetLastError() returned %d, should be %d\n", function, ptest->string, initial_value, LastError, CorrectError);
 437         ok(result == ptest->result, "%s(\"%s\"), 0x%02x: return value should be %s\n", function, ptest->string, initial_value, ptest->result ? "TRUE" : "FALSE");
 438 }
 439
 440 #define check_dcb_member(a,b) ok(pdcb1->a == pdcb2->a, "%s(\"%s\"), 0x%02x: "#a" is "b", should be "b"\n", function, ptest->string, initial_value, pdcb1->a, pdcb2->a)
 441 #define check_dcb_member2(a,c,b) if(pdcb2->a == c) { check_dcb_member(a,b); } else { ok(pdcb1->a == pdcb2->a || pdcb1->a == c, "%s(\"%s\"), 0x%02x: "#a" is "b", should be "b" or "b"\n", function, ptest->string, initial_value, pdcb1->a, pdcb2->a, c); }
 442
 443 static void check_dcb(const char *function, TEST *ptest, int initial_value, DCB *pdcb1, DCB *pdcb2)
 444 {
 445         /* DCBlength is a special case since Win 9x sets it but NT does not.
 446            We will accept either as correct. */
 447         check_dcb_member2(DCBlength, (DWORD)sizeof(DCB), "%u");
 448
 449         /* For old style control strings Win 9x does not set the next five members, NT does. */
 450         if(ptest->old_style && ptest->result)
 451         {
 452                 check_dcb_member2(fOutxCtsFlow, ((unsigned int)initial_value & 1), "%u");
 453                 check_dcb_member2(fDtrControl, ((unsigned int)initial_value & 3), "%u");
 454                 check_dcb_member2(fOutX, ((unsigned int)initial_value & 1), "%u");
 455                 check_dcb_member2(fInX, ((unsigned)initial_value & 1), "%u");
 456                 check_dcb_member2(fRtsControl, ((unsigned)initial_value & 3), "%u");
 457         }
 458         else
 459         {
 460                 check_dcb_member(fOutxCtsFlow, "%u");
 461                 check_dcb_member(fDtrControl, "%u");
 462                 check_dcb_member(fOutX, "%u");
 463                 check_dcb_member(fInX, "%u");
 464                 check_dcb_member(fRtsControl, "%u");
 465         }
 466
 467         if(ptest->result)
 468         {
 469                 /* For the idsr=xxx parameter, NT sets fDsrSensitivity, 9x sets
 470                    fOutxDsrFlow. */
 471                 if(!ptest->old_style)
 472                 {
 473                         check_dcb_member2(fOutxDsrFlow, pdcb2->fDsrSensitivity, "%u");
 474                         check_dcb_member2(fDsrSensitivity, pdcb2->fOutxDsrFlow, "%u");
 475                 }
 476                 else
 477                 {
 478                         /* For old style control strings Win 9x does not set the
 479                            fOutxDsrFlow member, NT does. */
 480                         check_dcb_member2(fOutxDsrFlow, ((unsigned int)initial_value & 1), "%u");
 481                         check_dcb_member(fDsrSensitivity, "%u");
 482                 }
 483         }
 484         else
 485         {
 486                 check_dcb_member(fOutxDsrFlow, "%u");
 487                 check_dcb_member(fDsrSensitivity, "%u");
 488         }
 489
 490         /* Check the result of the DCB members. */
 491         check_dcb_member(BaudRate, "%u");
 492         check_dcb_member(fBinary, "%u");
 493         check_dcb_member(fParity, "%u");
 494         check_dcb_member(fTXContinueOnXoff, "%u");
 495         check_dcb_member(fErrorChar, "%u");
 496         check_dcb_member(fNull, "%u");
 497         check_dcb_member(fAbortOnError, "%u");
 498         check_dcb_member(fDummy2, "%u");
 499         check_dcb_member(wReserved, "%u");
 500         check_dcb_member(XonLim, "%u");
 501         check_dcb_member(XoffLim, "%u");
 502         check_dcb_member(ByteSize, "%u");
 503         check_dcb_member(Parity, "%u");
 504         check_dcb_member(StopBits, "%u");
 505         check_dcb_member(XonChar, "%d");
 506         check_dcb_member(XoffChar, "%d");
 507         check_dcb_member(ErrorChar, "%d");
 508         check_dcb_member(EofChar, "%d");
 509         check_dcb_member(EvtChar, "%d");
 510         check_dcb_member(wReserved1, "%u");
 511 }
 512
 513 #define check_timeouts_member(a) ok(ptimeouts1->a == ptimeouts2->a, "%s(\"%s\"), 0x%02x: "#a" is %u, should be %u\n", function, ptest->string, initial_value, ptimeouts1->a, ptimeouts2->a);
 514
 515 static void check_timeouts(const char *function, TEST *ptest, int initial_value, COMMTIMEOUTS *ptimeouts1, COMMTIMEOUTS *ptimeouts2)
 516 {
 517         check_timeouts_member(ReadIntervalTimeout);
 518         check_timeouts_member(ReadTotalTimeoutMultiplier);
 519         check_timeouts_member(ReadTotalTimeoutConstant);
 520         check_timeouts_member(WriteTotalTimeoutMultiplier);
 521         check_timeouts_member(WriteTotalTimeoutConstant);
 522 }
 523
 524 static void test_BuildCommDCBA(TEST *ptest, int initial_value, DCB *pexpected_dcb)
 525 {
 526         BOOL result;
 527         DCB dcb;
 528
 529         /* set initial conditions */
 530         memset(&dcb, initial_value, sizeof(DCB));
 531         SetLastError(0xdeadbeef);
 532
 533         result = BuildCommDCBA(ptest->string, &dcb);
 534
 535         /* check results */
 536         check_result("BuildCommDCBA", ptest, initial_value, result);
 537         check_dcb("BuildCommDCBA", ptest, initial_value, &dcb, pexpected_dcb);
 538 }
 539
 540 static void test_BuildCommDCBAndTimeoutsA(TEST *ptest, int initial_value, DCB *pexpected_dcb, COMMTIMEOUTS *pexpected_timeouts)
 541 {
 542         BOOL result;
 543         DCB dcb;
 544         COMMTIMEOUTS timeouts;
 545
 546         /* set initial conditions */
 547         memset(&dcb, initial_value, sizeof(DCB));
 548         memset(&timeouts, initial_value, sizeof(COMMTIMEOUTS));
 549         SetLastError(0xdeadbeef);
 550
 551         result = BuildCommDCBAndTimeoutsA(ptest->string, &dcb, &timeouts);
 552
 553         /* check results */
 554         check_result("BuildCommDCBAndTimeoutsA", ptest, initial_value, result);
 555         check_dcb("BuildCommDCBAndTimeoutsA", ptest, initial_value, &dcb, pexpected_dcb);
 556         check_timeouts("BuildCommDCBAndTimeoutsA", ptest, initial_value, &timeouts, pexpected_timeouts);
 557 }
 558
 559 static void test_BuildCommDCBW(TEST *ptest, int initial_value, DCB *pexpected_dcb)
 560 {
 561         BOOL result;
 562         DCB dcb;
 563         WCHAR wide_string[sizeof(ptest->string)];
 564         static int reportedDCBW = 0;
 565
 566         MultiByteToWideChar(CP_ACP, 0, ptest->string, -1, wide_string, sizeof(wide_string) / sizeof(WCHAR));
 567
 568         /* set initial conditions */
 569         memset(&dcb, initial_value, sizeof(DCB));
 570         SetLastError(0xdeadbeef);
 571
 572         result = BuildCommDCBW(wide_string, &dcb);
 573
 574         if(GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
 575         {
 576                 if(!reportedDCBW++)
 577                         win_skip("BuildCommDCBW is not implemented\n");
 578                 return;
 579         }
 580
 581         /* check results */
 582         check_result("BuildCommDCBW", ptest, initial_value, result);
 583         check_dcb("BuildCommDCBW", ptest, initial_value, &dcb, pexpected_dcb);
 584 }
 585
 586 static void test_BuildCommDCBAndTimeoutsW(TEST *ptest, int initial_value, DCB *pexpected_dcb, COMMTIMEOUTS *pexpected_timeouts)
 587 {
 588         BOOL result;
 589         DCB dcb;
 590         COMMTIMEOUTS timeouts;
 591         WCHAR wide_string[sizeof(ptest->string)];
 592         static int reportedDCBAndTW = 0;
 593
 594         MultiByteToWideChar(CP_ACP, 0, ptest->string, -1, wide_string, sizeof(wide_string) / sizeof(WCHAR));
 595
 596         /* set initial conditions */
 597         memset(&dcb, initial_value, sizeof(DCB));
 598         memset(&timeouts, initial_value, sizeof(COMMTIMEOUTS));
 599         SetLastError(0xdeadbeef);
 600
 601         result = BuildCommDCBAndTimeoutsW(wide_string, &dcb, &timeouts);
 602
 603         if(GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
 604         {
 605                 if(!reportedDCBAndTW++)
 606                         win_skip("BuildCommDCBAndTimeoutsW is not implemented\n");
 607                 return;
 608         }
 609
 610         /* check results */
 611         check_result("BuildCommDCBAndTimeoutsW", ptest, initial_value, result);
 612         check_dcb("BuildCommDCBAndTimeoutsW", ptest, initial_value, &dcb, pexpected_dcb);
 613         check_timeouts("BuildCommDCBAndTimeoutsW", ptest, initial_value, &timeouts, pexpected_timeouts);
 614 }
 615
 616 static void test_BuildCommDCB(void)
 617 {
 618         char port_name[] = "COMx";
 619         char port = 0;
 620         unsigned int i;
 621         char *ptr;
 622
 623         /* Some of these tests require a valid COM port.  This loop will try to find
 624            a valid port. */
 625         for(port_name[3] = '1'; port_name[3] <= '9'; port_name[3]++)
 626         {
 627                 COMMCONFIG commconfig;
 628                 DWORD size = sizeof(COMMCONFIG);
 629
 630                 if(GetDefaultCommConfig(port_name, &commconfig, &size))
 631                 {
 632                         port = port_name[3];
 633                         break;
 634                 }
 635         }
 636
 637         if(!port)
 638                 trace("Could not find a valid COM port.  Some tests will be skipped.\n");
 639
 640         for(i = 0; i < TEST_COUNT; i++)
 641         {
 642                 /* Check if this test case needs a valid COM port. */
 643                 ptr = strstr(test[i].string, "COMx");
 644
 645                 /* If required, substitute valid port number into device control string. */
 646                 if(ptr)
 647                 {
 648                         if(port)
 649                                 ptr[3] = port;
 650                         else
 651                                 continue;
 652                 }
 653
 654                 test_BuildCommDCBA(&test[i], 0x00, &test[i].dcb1);
 655                 test_BuildCommDCBA(&test[i], 0xff, &test[i].dcb2);
 656                 test_BuildCommDCBAndTimeoutsA(&test[i], 0x00, &test[i].dcb1, &test[i].timeouts1);
 657                 test_BuildCommDCBAndTimeoutsA(&test[i], 0xff, &test[i].dcb2, &test[i].timeouts2);
 658
 659                 test_BuildCommDCBW(&test[i], 0x00, &test[i].dcb1);
 660                 test_BuildCommDCBW(&test[i], 0xff, &test[i].dcb2);
 661                 test_BuildCommDCBAndTimeoutsW(&test[i], 0x00, &test[i].dcb1, &test[i].timeouts1);
 662                 test_BuildCommDCBAndTimeoutsW(&test[i], 0xff, &test[i].dcb2, &test[i].timeouts2);
 663         }
 664 }
 665
 666 static HANDLE test_OpenComm(BOOL doOverlap)
 667 {
 668     HANDLE hcom = INVALID_HANDLE_VALUE;
 669     char port_name[] = "COMx";
 670     static BOOL shown = FALSE;
 671     DWORD errors;
 672     COMSTAT comstat;
 673
 674     /* Try to find a port */
 675     for(port_name[3] = '1'; port_name[3] <= '9'; port_name[3]++)
 676     {
 677         hcom = CreateFile( port_name, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING,
 678                            (doOverlap)?FILE_FLAG_OVERLAPPED:0, NULL );
 679         if (hcom != INVALID_HANDLE_VALUE)
 680             break;
 681     }
 682     if(!shown)
 683     {
 684         if (hcom == INVALID_HANDLE_VALUE)
 685             trace("Could not find a valid COM port.\n");
 686         else
 687             trace("Found Com port %s. Connected devices may disturb results\n", port_name);
 688         /*shown = TRUE; */
 689     }
 690     if (hcom != INVALID_HANDLE_VALUE)
 691     {
 692         BOOL ret;
 693
 694         ret = ClearCommError(hcom, &errors, &comstat);
 695         if (!ret && (GetLastError() == ERROR_NOT_READY || GetLastError() == ERROR_INVALID_HANDLE))
 696         {
 697             if (GetLastError() == ERROR_NOT_READY)
 698                 trace("%s doesn't respond, skipping the test\n", port_name);
 699             else
 700                 trace("%s is not a real serial port, skipping the test\n", port_name);
 701             CloseHandle(hcom);
 702             return INVALID_HANDLE_VALUE;
 703         }
 704
 705         ok(ret, "Unexpected error %u on open\n", GetLastError());
 706         ok(comstat.cbInQue == 0, "Unexpected %d chars in InQueue\n",comstat.cbInQue);
 707         ok(comstat.cbOutQue == 0, "Still pending %d charcters in OutQueue\n", comstat.cbOutQue);
 708         ok(errors == 0, "Unexpected errors 0x%08x\n", errors);
 709     }
 710     return hcom;
 711 }
 712
 713 static void test_GetModemStatus(HANDLE hcom)
 714 {
 715     DWORD ModemStat = 0;
 716
 717     ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 718     trace("GetCommModemStatus returned 0x%08x->%s%s%s%s\n", ModemStat,
 719           (ModemStat &MS_RLSD_ON)?"MS_RLSD_ON ":"",
 720           (ModemStat &MS_RING_ON)?"MS_RING_ON ":"",
 721           (ModemStat &MS_DSR_ON)?"MS_DSR_ON ":"",
 722           (ModemStat &MS_CTS_ON)?"MS_CTS_ON ":"");
 723 }
 724
 725 /* When we don't write anything, Read should time out even on a loopbacked port */
 726 static void test_ReadTimeOut(HANDLE hcom)
 727 {
 728     DCB dcb;
 729     COMMTIMEOUTS timeouts;
 730     char rbuf[32];
 731     DWORD before, after, read, timediff, LastError;
 732     BOOL res;
 733
 734     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 735     dcb.BaudRate = FASTBAUD;
 736     dcb.ByteSize = 8;
 737     dcb.Parity = NOPARITY;
 738     dcb.fRtsControl=RTS_CONTROL_ENABLE;
 739     dcb.fDtrControl=DTR_CONTROL_ENABLE;
 740     dcb.StopBits = ONESTOPBIT;
 741     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
 742
 743     ZeroMemory( &timeouts, sizeof(timeouts));
 744     timeouts.ReadTotalTimeoutConstant = TIMEOUT;
 745     ok(SetCommTimeouts(hcom, &timeouts),"SetCommTimeouts failed\n");
 746
 747     before = GetTickCount();
 748     SetLastError(0xdeadbeef);
 749     res = ReadFile(hcom, rbuf, sizeof(rbuf), &read, NULL);
 750     LastError = GetLastError();
 751     after = GetTickCount();
 752     ok( res == TRUE, "A timed-out read should return TRUE\n");
 753     ok( LastError == 0xdeadbeef, "err=%d\n", LastError);
 754     timediff = after - before;
 755     ok( timediff > TIMEOUT>>2 && timediff < TIMEOUT *2,
 756         "Unexpected TimeOut %d, expected %d\n", timediff, TIMEOUT);
 757 }
 758
 759 static void test_waittxempty(HANDLE hcom)
 760 {
 761     DCB dcb;
 762     COMMTIMEOUTS timeouts;
 763     char tbuf[]="test_waittxempty";
 764     DWORD before, after, written, timediff, evtmask = 0;
 765     BOOL res_write, res;
 766     DWORD baud = SLOWBAUD;
 767
 768     trace("test_waittxempty\n");
 769     /* set a low baud rate to have ample time*/
 770     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 771     dcb.BaudRate = baud;
 772     dcb.ByteSize = 8;
 773     dcb.Parity = NOPARITY;
 774     dcb.fRtsControl=RTS_CONTROL_ENABLE;
 775     dcb.fDtrControl=DTR_CONTROL_ENABLE;
 776     dcb.StopBits = ONESTOPBIT;
 777     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
 778
 779     ZeroMemory( &timeouts, sizeof(timeouts));
 780     timeouts.ReadTotalTimeoutConstant = TIMEOUT;
 781     ok(SetCommTimeouts(hcom, &timeouts),"SetCommTimeouts failed\n");
 782
 783     ok(SetupComm(hcom,1024,1024),"SetUpComm failed\n");
 784     ok(SetCommMask(hcom, EV_TXEMPTY), "SetCommMask failed\n");
 785
 786     before = GetTickCount();
 787     res_write=WriteFile(hcom, tbuf, sizeof(tbuf), &written, NULL);
 788     after = GetTickCount();
 789     ok(res_write == TRUE, "WriteFile failed\n");
 790     ok(written == sizeof(tbuf),
 791        "WriteFile: Unexpected write_size %d\n", written);
 792
 793     trace("WriteFile succeeded, took %d ms to write %d Bytes at %d Baud\n",
 794           after - before, written, baud);
 795
 796     before = GetTickCount();
 797     res = WaitCommEvent(hcom, &evtmask, NULL);
 798     after = GetTickCount();
 799
 800     ok(res == TRUE, "WaitCommEvent failed\n");
 801     ok((evtmask & EV_TXEMPTY),
 802                  "WaitCommEvent: Unexpected EvtMask 0x%08x, expected 0x%08x\n",
 803                  evtmask, EV_TXEMPTY);
 804
 805     timediff = after - before;
 806
 807     trace("WaitCommEvent for EV_TXEMPTY took %d ms\n", timediff);
 808     /* 050604: This shows a difference between XP (tested with mingw compiled crosstest):
 809        XP returns Writefile only after everything went out of the Serial port,
 810        while wine returns immediately.
 811        Thus on XP, WaintCommEvent after setting the CommMask for EV_TXEMPTY
 812        nearly return immediate,
 813        while on wine the most time is spent here
 814     */
 815 }
 816
 817 /* A new open handle should not return error or have bytes in the Queues */
 818 static void test_ClearCommErrors(HANDLE hcom)
 819 {
 820     DWORD   errors;
 821     COMSTAT lpStat;
 822
 823     ok(ClearCommError(hcom, &errors, &lpStat), "ClearCommError failed\n");
 824     ok(lpStat.cbInQue == 0, "Unexpected %d chars in InQueue\n", lpStat.cbInQue);
 825     ok(lpStat.cbOutQue == 0, "Unexpected %d chars in OutQueue\n", lpStat.cbOutQue);
 826     ok(errors == 0, "ClearCommErrors: Unexpected error 0x%08x\n", errors);
 827     trace("test_ClearCommErrors done\n");
 828 }
 829
 830 static void test_non_pending_errors(HANDLE hcom)
 831 {
 832     DCB dcb;
 833     DWORD err;
 834
 835     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 836     dcb.ByteSize = 255; /* likely bogus */
 837     ok(!SetCommState(hcom, &dcb), "SetCommState should have failed\n");
 838     ok(ClearCommError(hcom, &err, NULL), "ClearCommError should succeed\n");
 839     ok(!(err & CE_MODE), "ClearCommError shouldn't set CE_MODE byte in this case (%x)\n", err);
 840 }
 841
 842 /**/
 843 static void test_LoopbackRead(HANDLE hcom)
 844 {
 845     DCB dcb;
 846     COMMTIMEOUTS timeouts;
 847     char rbuf[32];
 848     DWORD before, after, diff, read, read1, written, evtmask=0, i;
 849     BOOL res;
 850     char tbuf[]="test_LoopbackRead";
 851
 852     trace("Starting test_LoopbackRead\n");
 853     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 854     dcb.BaudRate = FASTBAUD;
 855     dcb.ByteSize = 8;
 856     dcb.Parity = NOPARITY;
 857     dcb.fRtsControl=RTS_CONTROL_ENABLE;
 858     dcb.fDtrControl=DTR_CONTROL_ENABLE;
 859     dcb.StopBits = ONESTOPBIT;
 860     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
 861
 862     ZeroMemory( &timeouts, sizeof(timeouts));
 863     timeouts.ReadTotalTimeoutConstant = TIMEOUT;
 864     ok(SetCommTimeouts(hcom, &timeouts),"SetCommTimeouts failed\n");
 865
 866     ok(SetCommMask(hcom, EV_TXEMPTY), "SetCommMask failed\n");
 867
 868     before = GetTickCount();
 869     ok(WriteFile(hcom,tbuf,sizeof(tbuf),&written, NULL), "WriteFile failed\n");
 870     after = GetTickCount();
 871     ok(written == sizeof(tbuf),"WriteFile %d bytes written\n", written);
 872     diff = after -before;
 873
 874     /* make sure all bytes are written, so Readfile will succeed in one call*/
 875     ok(WaitCommEvent(hcom, &evtmask, NULL), "WaitCommEvent failed\n");
 876     before = GetTickCount();
 877     ok(evtmask == EV_TXEMPTY,
 878                  "WaitCommEvent: Unexpected EvtMask 0x%08x, expected 0x%08x\n",
 879                  evtmask, EV_TXEMPTY);
 880     trace("Write %d ms WaitCommEvent EV_TXEMPTY %d ms\n", diff, before- after);
 881
 882     read=0;
 883     ok(ReadFile(hcom, rbuf, sizeof(rbuf), &read, NULL), "Readfile failed\n");
 884     ok(read == sizeof(tbuf),"ReadFile read %d bytes, expected \"%s\"\n", read,rbuf);
 885
 886     /* Now do the same with a slower Baud rate.
 887        As we request more characters then written, we will hit the timeout
 888     */
 889
 890     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 891     dcb.BaudRate = 9600;
 892     dcb.ByteSize = 8;
 893     dcb.Parity = NOPARITY;
 894     dcb.fRtsControl=RTS_CONTROL_ENABLE;
 895     dcb.fDtrControl=DTR_CONTROL_ENABLE;
 896     dcb.StopBits = ONESTOPBIT;
 897     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
 898
 899     ok(SetCommMask(hcom, EV_RXCHAR), "SetCommMask failed\n");
 900     ok(WriteFile(hcom,tbuf,sizeof(tbuf),&written, NULL), "WriteFile failed\n");
 901     ok(written == sizeof(tbuf),"WriteFile %d bytes written\n", written);
 902
 903     trace("WaitCommEventEV_RXCHAR\n");
 904     ok(WaitCommEvent(hcom, &evtmask, NULL), "WaitCommEvent failed\n");
 905     ok(evtmask == EV_RXCHAR, "WaitCommEvent: Unexpected EvtMask 0x%08x, expected 0x%08x\n",
 906        evtmask, EV_RXCHAR);
 907
 908     before = GetTickCount();
 909     res = ReadFile(hcom, rbuf, sizeof(rbuf), &read, NULL);
 910     after = GetTickCount();
 911     ok(res, "Readfile failed\n");
 912     ok(read == sizeof(tbuf),"ReadFile read %d bytes\n", read);
 913     diff = after - before;
 914     trace("Readfile for %d chars took %d ms\n", read, diff);
 915     ok( (diff > TIMEOUT - TIMEDELTA) && (diff < TIMEOUT + TIMEDELTA),
 916         "Timedout Wait took %d ms, expected around %d\n", diff, TIMEOUT);
 917
 918     /* now do a plain read with slow speed
 919      * This will result in several low level reads and a timeout to happen
 920      */
 921     dcb.BaudRate = SLOWBAUD;
 922     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
 923     ok(WriteFile(hcom,tbuf,sizeof(tbuf),&written, NULL), "WriteFile failed\n");
 924     before = GetTickCount();
 925     read = 0;
 926     read1 =0;
 927     i=0;
 928     do
 929     {
 930         res = ReadFile(hcom, rbuf+read, sizeof(rbuf)-read, &read1, NULL);
 931         ok(res, "Readfile failed\n");
 932         read += read1;
 933         i++;
 934     }
 935     while ((read < sizeof(tbuf)) && (i <10));
 936     after =  GetTickCount();
 937     ok( read == sizeof(tbuf),"ReadFile read %d bytes\n", read);
 938     trace("Plain Read for %d char at %d baud took %d ms\n", read, SLOWBAUD, after-before);
 939 }
 940
 941 static void test_LoopbackCtsRts(HANDLE hcom)
 942 {
 943     DWORD ModemStat = 0, defaultStat = 0;
 944     DCB dcb;
 945
 946     memset (&dcb, 0, sizeof (dcb));
 947     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 948     if (dcb.fRtsControl == RTS_CONTROL_HANDSHAKE)
 949     {
 950         trace("RTS_CONTROL_HANDSHAKE is set, so don't manipulate RTS\n");
 951         return;
 952     }
 953     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
 954     /* XP returns some values in the low nibble, so mask them out*/
 955     defaultStat &= MS_CTS_ON|MS_DSR_ON|MS_RING_ON|MS_RLSD_ON;
 956     if(defaultStat & MS_CTS_ON)
 957     {
 958         ok(EscapeCommFunction(hcom, CLRRTS), "EscapeCommFunction failed to clear RTS\n");
 959         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 960         ok ((ModemStat & MS_CTS_ON) == 0, "CTS didn't react: 0x%04x,  expected 0x%04x\n",
 961             ModemStat, (defaultStat & ~MS_CTS_ON));
 962         ok(EscapeCommFunction(hcom, SETRTS), "EscapeCommFunction failed to clear RTS\n");
 963         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 964         ok (ModemStat ==  defaultStat, "Failed to restore CTS: 0x%04x, expected 0x%04x\n",
 965             ModemStat, defaultStat);
 966     }
 967     else
 968     {
 969         ok(EscapeCommFunction(hcom, SETRTS), "EscapeCommFunction failed to set RTS\n");
 970         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 971         ok ((ModemStat & MS_CTS_ON) == MS_CTS_ON,
 972             "CTS didn't react: 0x%04x,  expected 0x%04x\n",
 973             ModemStat, (defaultStat | MS_CTS_ON));
 974         ok(EscapeCommFunction(hcom, CLRRTS), "EscapeCommFunction failed to clear RTS\n");
 975         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 976         ok (ModemStat ==  defaultStat, "Failed to restore CTS: 0x%04x, expected 0x%04x\n",
 977             ModemStat, defaultStat);
 978     }
 979 }
 980
 981 static void test_LoopbackDtrDcd(HANDLE hcom)
 982 {
 983     DWORD ModemStat = 0, defaultStat = 0;
 984     DCB dcb;
 985
 986     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 987     if (dcb.fDtrControl == DTR_CONTROL_HANDSHAKE)
 988     {
 989         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
 990         return;
 991     }
 992     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
 993     /* XP returns some values in the low nibble, so mask them out*/
 994     defaultStat &= MS_CTS_ON|MS_DSR_ON|MS_RING_ON|MS_RLSD_ON;
 995     if(defaultStat & MS_RLSD_ON)
 996     {
 997         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
 998         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 999         ok ((ModemStat & MS_RLSD_ON) == 0, "RLSD didn't react: 0x%04x,  expected 0x%04x\n",
1000             ModemStat, (defaultStat & ~MS_RLSD_ON));
1001         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to set DTR\n");
1002         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1003         ok (ModemStat ==  defaultStat, "Failed to restore RLSD: 0x%04x, expected 0x%04x\n",
1004             ModemStat, defaultStat);
1005     }
1006     else
1007     {
1008         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to set DTR\n");
1009         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1010         ok ((ModemStat & MS_RLSD_ON) == MS_RLSD_ON,
1011             "RLSD didn't react: 0x%04x,  expected 0x%04x\n",
1012             ModemStat, (defaultStat | MS_RLSD_ON));
1013         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
1014         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1015         ok (ModemStat ==  defaultStat, "Failed to restore RLSD: 0x%04x, expected 0x%04x\n",
1016             ModemStat, defaultStat);
1017     }
1018 }
1019
1020 static void test_LoopbackDtrDsr(HANDLE hcom)
1021 {
1022     DWORD ModemStat = 0, defaultStat = 0;
1023     DCB dcb;
1024
1025     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1026     if (dcb.fDtrControl == DTR_CONTROL_DISABLE)
1027     {
1028         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1029         return;
1030     }
1031     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
1032     /* XP returns some values in the low nibble, so mask them out*/
1033     defaultStat &= MS_CTS_ON|MS_DSR_ON|MS_RING_ON|MS_RLSD_ON;
1034     if(defaultStat & MS_DSR_ON)
1035     {
1036         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
1037         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1038         ok ((ModemStat & MS_DSR_ON) == 0, "CTS didn't react: 0x%04x,  expected 0x%04x\n",
1039             ModemStat, (defaultStat & ~MS_DSR_ON));
1040         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to clear DTR\n");
1041         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1042         ok (ModemStat ==  defaultStat, "Failed to restore DSR: 0x%04x, expected 0x%04x\n",
1043             ModemStat, defaultStat);
1044     }
1045     else
1046     {
1047         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to set DTR\n");
1048         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1049         ok ((ModemStat & MS_DSR_ON) == MS_DSR_ON,
1050             "CTS didn't react: 0x%04x,expected 0x%04x\n",
1051             ModemStat, (defaultStat | MS_DSR_ON));
1052         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
1053         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1054         ok (ModemStat ==  defaultStat, "Failed to restore DSR: 0x%04x, expected 0x%04x\n",
1055             ModemStat, defaultStat);
1056     }
1057 }
1058
1059 static void test_LoopbackDtrRing(HANDLE hcom)
1060 {
1061     DWORD ModemStat = 0, defaultStat = 0;
1062     DCB dcb;
1063
1064     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1065     if (dcb.fDtrControl == DTR_CONTROL_HANDSHAKE)
1066     {
1067         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1068         return;
1069     }
1070     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
1071     /* XP returns some values in the low nibble, so mask them out*/
1072     defaultStat &= MS_CTS_ON|MS_DSR_ON|MS_RING_ON|MS_RLSD_ON;
1073     if(defaultStat & MS_RING_ON)
1074     {
1075         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
1076         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1077         ok ((ModemStat & MS_RING_ON) == 0, "RING didn't react: 0x%04x,  expected 0x%04x\n",
1078             ModemStat, (defaultStat & ~MS_RING_ON));
1079         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to set DTR\n");
1080         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1081         ok (ModemStat ==  defaultStat, "Failed to restore RING: 0x%04x, expected 0x%04x\n",
1082             ModemStat, defaultStat);
1083     }
1084     else
1085     {
1086         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to set DTR\n");
1087         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1088         ok ((ModemStat & MS_RING_ON) == MS_RING_ON,
1089             "RING didn't react: 0x%04x,expected 0x%04x\n",
1090             ModemStat, (defaultStat | MS_RING_ON));
1091         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
1092         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1093         ok (ModemStat ==  defaultStat, "Failed to restore RING: 0x%04x, expected 0x%04x\n",
1094             ModemStat, defaultStat);
1095     }
1096 }
1097
1098 /*
1099  * Set up a WaitCommEvent for anything in the receive buffer,
1100  * then write to TX to put a character
1101  * into the RX buffer
1102  * Need Loopback TX->RX
1103 */
1104
1105 static void  test_WaitRx(HANDLE hcom)
1106 {
1107     OVERLAPPED overlapped, overlapped_w;
1108     HANDLE hComPortEvent, hComWriteEvent;
1109     DWORD before, after, after1, diff, success_wait = FALSE, success_write;
1110     DWORD err_wait, err_write, written, evtmask=0;
1111
1112     ok(SetCommMask(hcom, EV_RXCHAR), "SetCommMask failed\n");
1113     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1114     ok(hComPortEvent != 0, "CreateEvent failed\n");
1115     ZeroMemory( &overlapped, sizeof(overlapped));
1116     overlapped.hEvent = hComPortEvent;
1117
1118     hComWriteEvent = CreateEvent( NULL, TRUE, FALSE, NULL );
1119     ok(hComWriteEvent != NULL, "CreateEvent res %d\n", GetLastError());
1120     ZeroMemory( &overlapped_w, sizeof(overlapped_w));
1121     overlapped_w.hEvent = hComWriteEvent;
1122
1123     before = GetTickCount();
1124     {success_wait = WaitCommEvent(hcom, &evtmask, &overlapped);}
1125     err_wait = GetLastError();
1126     after = GetTickCount();
1127     trace("Success 0x%08x err %d evtmask 0x%08x\n", success_wait, err_wait, evtmask);
1128     ok(success_wait || err_wait == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1129     trace("overlapped WaitCommEvent returned.\n");
1130
1131     success_write= WriteFile(hcom, "X", 1, &written, &overlapped_w);
1132     err_write = GetLastError();
1133     ok(success_write || err_write == ERROR_IO_PENDING,
1134        "overlapped WriteFile failed, err %d\n",
1135        err_write);
1136
1137     if (!success_write && (err_write == ERROR_IO_PENDING)) {
1138       success_write = WaitForSingleObjectEx(hComWriteEvent, TIMEOUT, TRUE);
1139       err_write = GetLastError();
1140       ok(success_write == WAIT_OBJECT_0, "WaitForSingleObjectEx, res %d, err %d\n",
1141          success_write, err_write);
1142     }
1143     Sleep(TIMEOUT >>1);
1144     success_write = GetOverlappedResult(hcom, &overlapped_w, &written, FALSE);
1145     err_write = GetLastError();
1146
1147     trace("Write after Wait res 0x%08x err %d\n",success_write, err_write);
1148     ok(success_write && written ==1, "Write after Wait res 0x%08x err %d\n",
1149        success_write, err_write);
1150
1151     if (!success_wait && (err_wait == ERROR_IO_PENDING)) {
1152       success_wait = WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE);
1153       err_wait = GetLastError();
1154       ok(success_wait == WAIT_OBJECT_0, "wait hComPortEvent, res 0x%08x, err %d\n",
1155          success_wait, err_wait);
1156     }
1157     success_wait = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1158     err_wait = GetLastError();
1159     after1 = GetTickCount();
1160     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1161           success_wait, err_wait, evtmask, after-before, after1-before);
1162
1163     ok(evtmask & EV_RXCHAR, "Detect  EV_RXCHAR: 0x%08x, expected 0x%08x\n",
1164        evtmask, EV_RXCHAR);
1165     diff = after1 - before;
1166     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1167         "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1168
1169 }
1170
1171 /* Change the controlling line after the given timeout to the given state
1172    By the loopback, this should trigger the WaitCommEvent
1173 */
1174 static DWORD CALLBACK toggle_ctlLine(LPVOID arg)
1175 {
1176     DWORD_PTR *args = arg;
1177     DWORD timeout = args[0];
1178     DWORD ctl     = args[1];
1179     HANDLE hcom   = (HANDLE) args[2];
1180     HANDLE hComPortEvent = (HANDLE) args[3];
1181     DWORD success, err;
1182
1183     trace("toggle_ctlLine timeout %d ctl 0x%08x handle %p\n", timeout, ctl, hcom );
1184     Sleep(timeout);
1185     ok(EscapeCommFunction(hcom, ctl),"EscapeCommFunction 0x%08x failed\n", ctl);
1186     trace("toggle_ctline done\n");
1187     success = WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE);
1188     err = GetLastError();
1189     trace("toggle_ctline WaitForSingleObjectEx res 0x%08x err %d\n",
1190           success, err);
1191     return 0;
1192 }
1193
1194 /*
1195  * Wait for a change in CTS
1196  * Needs Loopback from DTR to CTS
1197  */
1198 static void  test_WaitCts(HANDLE hcom)
1199 {
1200     DCB dcb;
1201     OVERLAPPED overlapped;
1202     HANDLE hComPortEvent;
1203     HANDLE alarmThread;
1204     DWORD_PTR args[4];
1205     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0, defaultStat = 0;
1206
1207     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1208     dcb.fRtsControl=RTS_CONTROL_ENABLE;
1209     dcb.fDtrControl=DTR_CONTROL_ENABLE;
1210     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
1211     if (dcb.fDtrControl == RTS_CONTROL_DISABLE)
1212     {
1213         trace("RTS_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1214         return;
1215     }
1216     args[0]= TIMEOUT >>1;
1217     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
1218     if(defaultStat & MS_CTS_ON)
1219         args[1] = CLRRTS;
1220     else
1221         args[1] = SETRTS;
1222     args[2]=(DWORD_PTR)hcom;
1223
1224     trace("test_WaitCts timeout %ld clt 0x%08lx handle %p\n",args[0], args[1], hcom);
1225
1226     ok(SetCommMask(hcom, EV_CTS), "SetCommMask failed\n");
1227     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1228     ok(hComPortEvent != 0, "CreateEvent failed\n");
1229     args[3] = (DWORD_PTR)hComPortEvent;
1230     alarmThread = CreateThread(NULL, 0, toggle_ctlLine, args, 0, &alarmThreadId);
1231     /* Wait a minimum to let the thread start up */
1232     Sleep(10);
1233     trace("Thread created\n");
1234     ok(alarmThread !=0 , "CreateThread Failed\n");
1235
1236     ZeroMemory( &overlapped, sizeof(overlapped));
1237     overlapped.hEvent = hComPortEvent;
1238     before = GetTickCount();
1239     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1240     err = GetLastError();
1241     after = GetTickCount();
1242
1243     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1244     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1245     trace("overlapped WaitCommEvent returned.\n");
1246     if (!success && (err == ERROR_IO_PENDING))
1247         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1248                      "WaitCts hComPortEvent failed\n");
1249     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1250     err = GetLastError();
1251     after1 = GetTickCount();
1252     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1253           success, err, evtmask, after-before, after1-before);
1254
1255     ok(evtmask & EV_CTS, "Failed to detect  EV_CTS: 0x%08x, expected 0x%08x\n",
1256                  evtmask, EV_CTS);
1257     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1258     if(defaultStat & MS_CTS_ON)
1259         ok((evtmask & MS_CTS_ON) == 0,"CTS didn't change state!\n");
1260     else
1261         ok((evtmask & MS_CTS_ON), "CTS didn't change state!\n");
1262
1263     diff = after1 - before;
1264     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1265                   "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1266
1267     /*restore RTS Settings*/
1268     if(defaultStat & MS_CTS_ON)
1269         args[1] = SETRTS;
1270     else
1271         args[1] = CLRRTS;
1272 }
1273
1274 /* Change the  Comm Mask while a Wait is going on
1275    WaitCommevent should return with a EVTMASK set to zero
1276 */
1277 static DWORD CALLBACK reset_CommMask(LPVOID arg)
1278 {
1279     DWORD_PTR *args = arg;
1280     DWORD timeout = args[0];
1281     HANDLE hcom   = (HANDLE) args[1];
1282
1283     trace(" Changing CommMask on the fly for handle %p after timeout %d\n",
1284           hcom, timeout);
1285     Sleep(timeout);
1286     ok(SetCommMask(hcom, 0),"SetCommMask %p failed\n", hcom);
1287     trace("SetCommMask changed\n");
1288     return 0;
1289 }
1290
1291 /* Set up a Wait for a change on CTS. We don't toggle any line, but we
1292    reset the CommMask and expect the wait to return with a mask of 0
1293    No special port connections needed
1294 */
1295 static void  test_AbortWaitCts(HANDLE hcom)
1296 {
1297     DCB dcb;
1298     OVERLAPPED overlapped;
1299     HANDLE hComPortEvent;
1300     HANDLE alarmThread;
1301     DWORD_PTR args[2];
1302     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0;
1303
1304     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1305     if (dcb.fDtrControl == RTS_CONTROL_DISABLE)
1306     {
1307         trace("RTS_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1308         return;
1309     }
1310     args[0]= TIMEOUT >>1;
1311     args[1]= (DWORD_PTR)hcom;
1312
1313     trace("test_AbortWaitCts timeout %ld handle %p\n",args[0], hcom);
1314
1315     ok(SetCommMask(hcom, EV_CTS), "SetCommMask failed\n");
1316     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1317     ok(hComPortEvent != 0, "CreateEvent failed\n");
1318     alarmThread = CreateThread(NULL, 0, reset_CommMask, args, 0, &alarmThreadId);
1319     /* Wait a minimum to let the thread start up */
1320     Sleep(10);
1321     trace("Thread created\n");
1322     ok(alarmThread !=0 , "CreateThread Failed\n");
1323
1324     ZeroMemory( &overlapped, sizeof(overlapped));
1325     overlapped.hEvent = hComPortEvent;
1326     before = GetTickCount();
1327     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1328     err = GetLastError();
1329     after = GetTickCount();
1330
1331     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1332     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1333     trace("overlapped WaitCommEvent returned.\n");
1334     if (!success && (err == ERROR_IO_PENDING))
1335         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1336                      "AbortWaitCts hComPortEvent failed\n");
1337     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1338     err = GetLastError();
1339     after1 = GetTickCount();
1340     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1341           success, err, evtmask, after-before, after1-before);
1342
1343     ok(evtmask == 0, "Incorrect EventMask 0x%08x returned on Wait aborted bu SetCommMask, expected 0x%08x\n",
1344                  evtmask, 0);
1345     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1346     diff = after1 - before;
1347     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1348                   "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1349
1350 }
1351
1352 /*
1353  * Wait for a change in DSR
1354  * Needs Loopback from DTR to DSR
1355  */
1356 static void  test_WaitDsr(HANDLE hcom)
1357 {
1358     DCB dcb;
1359     OVERLAPPED overlapped;
1360     HANDLE hComPortEvent;
1361     HANDLE alarmThread;
1362     DWORD_PTR args[3];
1363     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0, defaultStat = 0;
1364
1365     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1366     if (dcb.fDtrControl == DTR_CONTROL_DISABLE)
1367     {
1368         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1369         return;
1370     }
1371     args[0]= TIMEOUT >>1;
1372     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
1373     if(defaultStat & MS_DSR_ON)
1374         args[1] = CLRDTR;
1375     else
1376         args[1] = SETDTR;
1377     args[2]= (DWORD_PTR)hcom;
1378
1379     trace("test_WaitDsr timeout %ld clt 0x%08lx handle %p\n",args[0], args[1], hcom);
1380
1381     ok(SetCommMask(hcom, EV_DSR), "SetCommMask failed\n");
1382     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1383     ok(hComPortEvent != 0, "CreateEvent failed\n");
1384     alarmThread = CreateThread(NULL, 0, toggle_ctlLine, args, 0, &alarmThreadId);
1385     ok(alarmThread !=0 , "CreateThread Failed\n");
1386
1387     ZeroMemory( &overlapped, sizeof(overlapped));
1388     overlapped.hEvent = hComPortEvent;
1389     before = GetTickCount();
1390     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1391     err = GetLastError();
1392     after = GetTickCount();
1393
1394     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1395     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1396     trace("overlapped WaitCommEvent returned.\n");
1397     if (!success && (err == ERROR_IO_PENDING))
1398         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1399                      "wait hComPortEvent failed\n");
1400     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1401     err = GetLastError();
1402     after1 = GetTickCount();
1403     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1404           success, err, evtmask, after-before, after1-before);
1405
1406     ok(evtmask & EV_DSR, "Failed to detect  EV_DSR: 0x%08x, expected 0x%08x\n",
1407                  evtmask, EV_DSR);
1408     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1409     if(defaultStat & MS_DSR_ON)
1410         ok((evtmask & MS_DSR_ON) == 0,"DTR didn't change state!\n");
1411     else
1412         ok((evtmask & MS_DSR_ON), "DTR didn't change state!\n");
1413
1414     diff = after1 - before;
1415     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1416                   "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1417
1418     /*restore RTS Settings*/
1419     if(defaultStat & MS_DSR_ON)
1420         args[1] = SETDTR;
1421     else
1422         args[1] = CLRDTR;
1423 }
1424
1425 /*
1426  * Wait for a Ring
1427  * Needs Loopback from DTR to RING
1428  */
1429 static void  test_WaitRing(HANDLE hcom)
1430 {
1431     DCB dcb;
1432     OVERLAPPED overlapped;
1433     HANDLE hComPortEvent;
1434     HANDLE alarmThread;
1435     DWORD_PTR args[3];
1436     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0, defaultStat;
1437     BOOL ret;
1438
1439     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1440     if (dcb.fDtrControl == DTR_CONTROL_DISABLE)
1441     {
1442         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1443         return;
1444     }
1445     args[0]= TIMEOUT >>1;
1446     ok((ret = GetCommModemStatus(hcom, &defaultStat)), "GetCommModemStatus failed\n");
1447     if (!ret) {
1448         skip("modem status failed -> skip.\n");
1449         return;
1450     }
1451     if(defaultStat & MS_RING_ON)
1452         args[1] = CLRDTR;
1453     else
1454         args[1] = SETDTR;
1455     args[2]=(DWORD_PTR) hcom;
1456
1457     trace("test_WaitRing timeout %ld clt 0x%08lx handle %p\n",args[0], args[1], hcom);
1458
1459     ok(SetCommMask(hcom, EV_RING), "SetCommMask failed\n");
1460     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1461     ok(hComPortEvent != 0, "CreateEvent failed\n");
1462     alarmThread = CreateThread(NULL, 0, toggle_ctlLine, args, 0, &alarmThreadId);
1463     ok(alarmThread !=0 , "CreateThread Failed\n");
1464
1465     ZeroMemory( &overlapped, sizeof(overlapped));
1466     overlapped.hEvent = hComPortEvent;
1467     before = GetTickCount();
1468     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1469     err = GetLastError();
1470     after = GetTickCount();
1471
1472     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1473     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1474     trace("overlapped WaitCommEvent returned.\n");
1475     if (!success && (err == ERROR_IO_PENDING))
1476         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1477                      "wait hComPortEvent failed\n");
1478     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1479     err = GetLastError();
1480     after1 = GetTickCount();
1481     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1482           success, err, evtmask, after-before, after1-before);
1483
1484     ok(evtmask & EV_RING, "Failed to detect  EV_RING: 0x%08x, expected 0x%08x\n",
1485        evtmask, EV_RING);
1486     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1487     if(defaultStat & MS_RING_ON)
1488         ok((evtmask & MS_RING_ON) == 0,"DTR didn't change state!\n");
1489     else
1490         ok((evtmask & MS_RING_ON), "DTR didn't change state!\n");
1491
1492     diff = after1 - before;
1493     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1494                   "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1495
1496     /*restore RTS Settings*/
1497     if(defaultStat & MS_RING_ON)
1498         args[1] = SETDTR;
1499     else
1500         args[1] = CLRDTR;
1501 }
1502 /*
1503  * Wait for a change in DCD
1504  * Needs Loopback from DTR to DCD
1505  */
1506 static void  test_WaitDcd(HANDLE hcom)
1507 {
1508     DCB dcb;
1509     OVERLAPPED overlapped;
1510     HANDLE hComPortEvent;
1511     HANDLE alarmThread;
1512     DWORD_PTR args[3];
1513     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0, defaultStat = 0;
1514
1515     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1516     if (dcb.fDtrControl == DTR_CONTROL_DISABLE)
1517     {
1518         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1519         return;
1520     }
1521     args[0]= TIMEOUT >>1;
1522     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
1523     if(defaultStat & MS_RLSD_ON)
1524         args[1] = CLRDTR;
1525     else
1526         args[1] = SETDTR;
1527     args[2]= (DWORD_PTR)hcom;
1528
1529     trace("test_WaitDcd timeout %ld clt 0x%08lx handle %p\n",args[0], args[1], hcom);
1530
1531     ok(SetCommMask(hcom, EV_RLSD), "SetCommMask failed\n");
1532     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1533     ok(hComPortEvent != 0, "CreateEvent failed\n");
1534     alarmThread = CreateThread(NULL, 0, toggle_ctlLine, args, 0, &alarmThreadId);
1535     ok(alarmThread !=0 , "CreateThread Failed\n");
1536
1537     ZeroMemory( &overlapped, sizeof(overlapped));
1538     overlapped.hEvent = hComPortEvent;
1539     before = GetTickCount();
1540     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1541     err = GetLastError();
1542     after = GetTickCount();
1543
1544     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1545     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1546     trace("overlapped WaitCommEvent returned.\n");
1547     if (!success && (err == ERROR_IO_PENDING))
1548         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1549                      "wait hComPortEvent failed\n");
1550     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1551     err = GetLastError();
1552     after1 = GetTickCount();
1553     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1554           success, err, evtmask, after-before, after1-before);
1555
1556     ok(evtmask & EV_RLSD, "Failed to detect  EV_RLSD: 0x%08x, expected 0x%08x\n",
1557                  evtmask, EV_RLSD);
1558     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1559     if(defaultStat & MS_RLSD_ON)
1560         ok((evtmask & MS_RLSD_ON) == 0,"DTR didn't change state!\n");
1561     else
1562         ok((evtmask & MS_RLSD_ON), "DTR didn't change state!\n");
1563
1564     diff = after1 - before;
1565     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1566                   "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1567
1568     /*restore RTS Settings*/
1569     if(defaultStat & MS_RLSD_ON)
1570         args[1] = SETDTR;
1571     else
1572         args[1] = CLRDTR;
1573 }
1574
1575 /*
1576    Set Break after timeout
1577 */
1578 static DWORD CALLBACK set_CommBreak(LPVOID arg)
1579 {
1580     DWORD_PTR *args = arg;
1581     DWORD timeout = args[0];
1582     HANDLE hcom   = (HANDLE) args[1];
1583
1584     trace("SetCommBreak for handle %p after timeout %d\n",
1585           hcom, timeout);
1586     Sleep(timeout);
1587     ok(SetCommBreak(hcom),"SetCommBreak %p failed\n", hcom);
1588     trace("SetCommBreak done\n");
1589     return 0;
1590 }
1591
1592 /*
1593    Wait for the Break condition (TX resp. RX active)
1594    Needs Loopback TX-RX
1595 */
1596 static void  test_WaitBreak(HANDLE hcom)
1597 {
1598     OVERLAPPED overlapped;
1599     HANDLE hComPortEvent;
1600     HANDLE alarmThread;
1601     DWORD_PTR args[2];
1602     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0;
1603
1604     ok(SetCommMask(hcom, EV_BREAK), "SetCommMask failed\n");
1605     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1606     ok(hComPortEvent != 0, "CreateEvent failed\n");
1607
1608     trace("test_WaitBreak\n");
1609     args[0]= TIMEOUT >>1;
1610     args[1]= (DWORD_PTR)hcom;
1611     alarmThread = CreateThread(NULL, 0, set_CommBreak, args, 0, &alarmThreadId);
1612     /* Wait a minimum to let the thread start up */
1613     Sleep(10);
1614     trace("Thread created\n");
1615     ok(alarmThread !=0 , "CreateThread Failed\n");
1616
1617     ZeroMemory( &overlapped, sizeof(overlapped));
1618     overlapped.hEvent = hComPortEvent;
1619     before = GetTickCount();
1620     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1621     err = GetLastError();
1622     after = GetTickCount();
1623
1624     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1625     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1626     trace("overlapped WaitCommEvent returned.\n");
1627
1628     if (!success && (err == ERROR_IO_PENDING))
1629     {
1630         success = WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE);
1631         ok(!success, "wait hComPortEvent res %d\n", GetLastError());
1632     }
1633     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1634     err = GetLastError();
1635     after1 = GetTickCount();
1636     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1637           success, err, evtmask, after-before, after1-before);
1638
1639     ok(evtmask & EV_BREAK, "Failed to detect  EV_BREAK: 0x%08x, expected 0x%08x\n",
1640        evtmask, EV_BREAK);
1641     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1642
1643     diff = after1 - before;
1644     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1645         "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1646
1647     ok(ClearCommBreak(hcom), "ClearCommBreak failed\n");
1648 }
1649
1650 static void test_stdio(void)
1651 {
1652     DCB dcb;
1653
1654     /* cygwin tries this to determine the stdin handle type */
1655     ok( !GetCommState( GetStdHandle(STD_INPUT_HANDLE), &dcb ), "GetCommState succeeded on stdin\n" );
1656     ok( GetLastError() == ERROR_INVALID_HANDLE || GetLastError() == ERROR_INVALID_FUNCTION,
1657         "got error %u\n", GetLastError() );
1658 }
1659
1660 START_TEST(comm)
1661 {
1662     HANDLE hcom;
1663     /* use variables and not #define to compile the code */
1664     BOOL loopback_txd_rxd  = LOOPBACK_TXD_RXD;
1665     BOOL loopback_rts_cts  = LOOPBACK_CTS_RTS;
1666     BOOL loopback_dtr_dsr  = LOOPBACK_DTR_DSR;
1667     BOOL loopback_dtr_ring = LOOPBACK_DTR_RING;
1668     BOOL loopback_dtr_dcd  = LOOPBACK_DTR_DCD;
1669
1670     test_BuildCommDCB();
1671     hcom = test_OpenComm(FALSE);
1672     if (hcom != INVALID_HANDLE_VALUE)
1673     {
1674         test_ClearCommErrors(hcom); /* keep it the very first test */
1675         test_GetModemStatus(hcom);
1676         test_ReadTimeOut(hcom);
1677         test_waittxempty(hcom);
1678         CloseHandle(hcom);
1679     }
1680     hcom = test_OpenComm(FALSE);
1681     if (hcom != INVALID_HANDLE_VALUE)
1682     {
1683         test_non_pending_errors(hcom);
1684         CloseHandle(hcom);
1685     }
1686     if((loopback_txd_rxd) && ((hcom = test_OpenComm(FALSE))!=INVALID_HANDLE_VALUE))
1687     {
1688         test_LoopbackRead(hcom);
1689         CloseHandle(hcom);
1690     }
1691     if((loopback_rts_cts) && ((hcom = test_OpenComm(FALSE))!=INVALID_HANDLE_VALUE))
1692     {
1693         test_LoopbackCtsRts(hcom);
1694         CloseHandle(hcom);
1695     }
1696     if((loopback_dtr_dsr) && ((hcom = test_OpenComm(FALSE))!=INVALID_HANDLE_VALUE))
1697     {
1698         test_LoopbackDtrDsr(hcom);
1699         CloseHandle(hcom);
1700     }
1701     if((loopback_dtr_ring) && ((hcom = test_OpenComm(FALSE))!=INVALID_HANDLE_VALUE))
1702     {
1703         test_LoopbackDtrRing(hcom);
1704         CloseHandle(hcom);
1705     }
1706     if((loopback_dtr_dcd) && ((hcom = test_OpenComm(FALSE))!=INVALID_HANDLE_VALUE))
1707     {
1708         test_LoopbackDtrDcd(hcom);
1709         CloseHandle(hcom);
1710     }
1711     if((loopback_txd_rxd) && ((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE))
1712     {
1713         test_WaitRx(hcom);
1714         CloseHandle(hcom);
1715     }
1716     if((loopback_rts_cts) && ((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE))
1717     {
1718         test_WaitCts(hcom);
1719         CloseHandle(hcom);
1720     }
1721     if((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE)
1722     {
1723         test_AbortWaitCts(hcom);
1724         CloseHandle(hcom);
1725     }
1726     if((loopback_dtr_dsr) && ((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE))
1727     {
1728         test_WaitDsr(hcom);
1729         CloseHandle(hcom);
1730     }
1731     if((loopback_dtr_ring) && ((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE))
1732     {
1733         test_WaitRing(hcom);
1734         CloseHandle(hcom);
1735     }
1736     if((loopback_dtr_dcd) && ((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE))
1737     {
1738         test_WaitDcd(hcom);
1739         CloseHandle(hcom);
1740     }
1741     if(loopback_txd_rxd && (hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE)
1742     {
1743         test_WaitBreak(hcom);
1744         CloseHandle(hcom);
1745     }
1746     test_stdio();
1747 }