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 100  /* 100 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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x00, (char)0x00, (char)0x00, (char)0x00, (char)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, (char)0xff, (char)0xff, (char)0xff, (char)0xff, (char)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, (char)0x%02x, (char)0x%02x, (char)0x%02x, (char)0x%02x, (char)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
 565         MultiByteToWideChar(CP_ACP, 0, ptest->string, -1, wide_string, sizeof(wide_string) / sizeof(WCHAR));
 566
 567         /* set initial conditions */
 568         memset(&dcb, initial_value, sizeof(DCB));
 569         SetLastError(0xdeadbeef);
 570
 571         result = BuildCommDCBW(wide_string, &dcb);
 572
 573         if(GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
 574                 return;
 575
 576         /* check results */
 577         check_result("BuildCommDCBW", ptest, initial_value, result);
 578         check_dcb("BuildCommDCBW", ptest, initial_value, &dcb, pexpected_dcb);
 579 }
 580
 581 static void test_BuildCommDCBAndTimeoutsW(TEST *ptest, int initial_value, DCB *pexpected_dcb, COMMTIMEOUTS *pexpected_timeouts)
 582 {
 583         BOOL result;
 584         DCB dcb;
 585         COMMTIMEOUTS timeouts;
 586         WCHAR wide_string[sizeof(ptest->string)];
 587
 588         MultiByteToWideChar(CP_ACP, 0, ptest->string, -1, wide_string, sizeof(wide_string) / sizeof(WCHAR));
 589
 590         /* set initial conditions */
 591         memset(&dcb, initial_value, sizeof(DCB));
 592         memset(&timeouts, initial_value, sizeof(COMMTIMEOUTS));
 593         SetLastError(0xdeadbeef);
 594
 595         result = BuildCommDCBAndTimeoutsW(wide_string, &dcb, &timeouts);
 596
 597         if(GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
 598                 return;
 599
 600         /* check results */
 601         check_result("BuildCommDCBAndTimeoutsA", ptest, initial_value, result);
 602         check_dcb("BuildCommDCBAndTimeoutsA", ptest, initial_value, &dcb, pexpected_dcb);
 603         check_timeouts("BuildCommDCBAndTimeoutsA", ptest, initial_value, &timeouts, pexpected_timeouts);
 604 }
 605
 606 static void test_BuildCommDCB(void)
 607 {
 608         char port_name[] = "COMx";
 609         char port = 0;
 610         unsigned int i;
 611         char *ptr;
 612
 613         /* Some of these tests require a valid COM port.  This loop will try to find
 614            a valid port. */
 615         for(port_name[3] = '1'; port_name[3] <= '9'; port_name[3]++)
 616         {
 617                 COMMCONFIG commconfig;
 618                 DWORD size = sizeof(COMMCONFIG);
 619
 620                 if(GetDefaultCommConfig(port_name, &commconfig, &size))
 621                 {
 622                         port = port_name[3];
 623                         break;
 624                 }
 625         }
 626
 627         if(!port)
 628                 trace("Could not find a valid COM port.  Some tests will be skipped.\n");
 629
 630         for(i = 0; i < TEST_COUNT; i++)
 631         {
 632                 /* Check if this test case needs a valid COM port. */
 633                 ptr = strstr(test[i].string, "COMx");
 634
 635                 /* If required, substitute valid port number into device control string. */
 636                 if(ptr)
 637                 {
 638                         if(port)
 639                                 ptr[3] = port;
 640                         else
 641                                 continue;
 642                 }
 643
 644                 test_BuildCommDCBA(&test[i], 0x00, &test[i].dcb1);
 645                 test_BuildCommDCBA(&test[i], 0xff, &test[i].dcb2);
 646                 test_BuildCommDCBAndTimeoutsA(&test[i], 0x00, &test[i].dcb1, &test[i].timeouts1);
 647                 test_BuildCommDCBAndTimeoutsA(&test[i], 0xff, &test[i].dcb2, &test[i].timeouts2);
 648
 649                 test_BuildCommDCBW(&test[i], 0x00, &test[i].dcb1);
 650                 test_BuildCommDCBW(&test[i], 0xff, &test[i].dcb2);
 651                 test_BuildCommDCBAndTimeoutsW(&test[i], 0x00, &test[i].dcb1, &test[i].timeouts1);
 652                 test_BuildCommDCBAndTimeoutsW(&test[i], 0xff, &test[i].dcb2, &test[i].timeouts2);
 653         }
 654 }
 655
 656 static HANDLE test_OpenComm(BOOL doOverlap)
 657 {
 658     HANDLE hcom = INVALID_HANDLE_VALUE;
 659     char port_name[] = "COMx";
 660     static BOOL shown = FALSE;
 661     DWORD errors;
 662     COMSTAT comstat;
 663
 664     /* Try to find a port */
 665     for(port_name[3] = '1'; port_name[3] <= '9'; port_name[3]++)
 666     {
 667         hcom = CreateFile( port_name, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING,
 668                            (doOverlap)?FILE_FLAG_OVERLAPPED:0, NULL );
 669         if (hcom != INVALID_HANDLE_VALUE)
 670             break;
 671     }
 672     if(!shown)
 673     {
 674         if (hcom == INVALID_HANDLE_VALUE)
 675             trace("Could not find a valid COM port.  Skipping test_ReadTimeOut\n");
 676         else
 677             trace("Found Com port %s. Connected devices may disturbe results\n", port_name);
 678         /*shown = TRUE; */
 679     }
 680     if (hcom != INVALID_HANDLE_VALUE)
 681     {
 682         BOOL ret;
 683
 684         ret = ClearCommError(hcom, &errors, &comstat);
 685         if (!ret && GetLastError() == ERROR_NOT_READY)
 686         {
 687             trace("%s doesn't respond, skipping the test\n", port_name);
 688             CloseHandle(hcom);
 689             return INVALID_HANDLE_VALUE;
 690         }
 691
 692         ok(ret, "Unexpected error %u on open\n", GetLastError());
 693         ok(comstat.cbInQue == 0, "Unexpected %d chars in InQueue\n",comstat.cbInQue);
 694         ok(comstat.cbOutQue == 0, "Still pending %d charcters in OutQueue\n", comstat.cbOutQue);
 695         ok(errors == 0, "Unexpected errors 0x%08x\n", errors);
 696     }
 697     return hcom;
 698 }
 699
 700 static void test_GetModemStatus(HANDLE hcom)
 701 {
 702     DWORD ModemStat = 0;
 703
 704     ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 705     trace("GetCommModemStatus returned 0x%08x->%s%s%s%s\n", ModemStat,
 706           (ModemStat &MS_RLSD_ON)?"MS_RLSD_ON ":"",
 707           (ModemStat &MS_RING_ON)?"MS_RING_ON ":"",
 708           (ModemStat &MS_DSR_ON)?"MS_DSR_ON ":"",
 709           (ModemStat &MS_CTS_ON)?"MS_CTS_ON ":"");
 710 }
 711
 712 /* When we don't write anything, Read should time out even on a loopbacked port */
 713 static void test_ReadTimeOut(HANDLE hcom)
 714 {
 715     DCB dcb;
 716     COMMTIMEOUTS timeouts;
 717     char rbuf[32];
 718     DWORD before, after, read, timediff, LastError;
 719     BOOL res;
 720
 721     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 722     dcb.BaudRate = FASTBAUD;
 723     dcb.ByteSize = 8;
 724     dcb.Parity = NOPARITY;
 725     dcb.fRtsControl=RTS_CONTROL_ENABLE;
 726     dcb.fDtrControl=DTR_CONTROL_ENABLE;
 727     dcb.StopBits = ONESTOPBIT;
 728     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
 729
 730     ZeroMemory( &timeouts, sizeof(timeouts));
 731     timeouts.ReadTotalTimeoutConstant = TIMEOUT;
 732     ok(SetCommTimeouts(hcom, &timeouts),"SetCommTimeouts failed\n");
 733
 734     before = GetTickCount();
 735     SetLastError(0xdeadbeef);
 736     res = ReadFile(hcom, rbuf, sizeof(rbuf), &read, NULL);
 737     LastError = GetLastError();
 738     after = GetTickCount();
 739     ok( res == TRUE, "A timed-out read should return TRUE\n");
 740     ok( LastError == 0xdeadbeef, "err=%d\n", LastError);
 741     timediff = after - before;
 742     ok( timediff > TIMEOUT>>2 && timediff < TIMEOUT *2,
 743         "Unexpected TimeOut %d, expected %d\n", timediff, TIMEOUT);
 744 }
 745
 746 static void test_waittxempty(HANDLE hcom)
 747 {
 748     DCB dcb;
 749     COMMTIMEOUTS timeouts;
 750     char tbuf[]="test_waittxempty";
 751     DWORD before, after, written, timediff, evtmask = 0;
 752     BOOL res_write, res;
 753     DWORD baud = SLOWBAUD;
 754
 755     trace("test_waittxempty\n");
 756     /* set a low baud rate to have ample time*/
 757     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 758     dcb.BaudRate = baud;
 759     dcb.ByteSize = 8;
 760     dcb.Parity = NOPARITY;
 761     dcb.fRtsControl=RTS_CONTROL_ENABLE;
 762     dcb.fDtrControl=DTR_CONTROL_ENABLE;
 763     dcb.StopBits = ONESTOPBIT;
 764     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
 765
 766     ZeroMemory( &timeouts, sizeof(timeouts));
 767     timeouts.ReadTotalTimeoutConstant = TIMEOUT;
 768     ok(SetCommTimeouts(hcom, &timeouts),"SetCommTimeouts failed\n");
 769
 770     ok(SetupComm(hcom,1024,1024),"SetUpComm failed\n");
 771     ok(SetCommMask(hcom, EV_TXEMPTY), "SetCommMask failed\n");
 772
 773     before = GetTickCount();
 774     res_write=WriteFile(hcom, tbuf, sizeof(tbuf), &written, NULL);
 775     after = GetTickCount();
 776     ok(res_write == TRUE, "WriteFile failed\n");
 777     ok(written == sizeof(tbuf),
 778        "WriteFile: Unexpected write_size %d\n", written);
 779
 780     trace("WriteFile succeeded, took %d ms to write %d Bytes at %d Baud\n",
 781           after - before, written, baud);
 782
 783     before = GetTickCount();
 784     res = WaitCommEvent(hcom, &evtmask, NULL);
 785     after = GetTickCount();
 786
 787     ok(res == TRUE, "WaitCommEvent failed\n");
 788     ok((evtmask & EV_TXEMPTY),
 789                  "WaitCommEvent: Unexpected EvtMask 0x%08x, expected 0x%08x\n",
 790                  evtmask, EV_TXEMPTY);
 791
 792     timediff = after - before;
 793
 794     trace("WaitCommEvent for EV_TXEMPTY took %d ms\n", timediff);
 795     /* 050604: This shows a difference between XP (tested with mingw compiled crosstest):
 796        XP returns Writefile only after everything went out of the Serial port,
 797        while wine returns immedate.
 798        Thus on XP, WaintCommEvent after setting the CommMask for EV_TXEMPTY
 799        nearly return immediate,
 800        while on wine the most time is spent here
 801     */
 802 }
 803
 804 /* A new open handle should not return error or have bytes in the Queues */
 805 static void test_ClearCommErrors(HANDLE hcom)
 806 {
 807     DWORD   errors;
 808     COMSTAT lpStat;
 809
 810     ok(ClearCommError(hcom, &errors, &lpStat), "ClearCommError failed\n");
 811     ok(lpStat.cbInQue == 0, "Unexpected %d chars in InQueue\n", lpStat.cbInQue);
 812     ok(lpStat.cbOutQue == 0, "Unexpected %d chars in OutQueue\n", lpStat.cbOutQue);
 813     ok(errors == 0, "ClearCommErrors: Unexpected error 0x%08x\n", errors);
 814     trace("test_ClearCommErrors done\n");
 815 }
 816
 817 static void test_non_pending_errors(HANDLE hcom)
 818 {
 819     DCB dcb;
 820     DWORD err;
 821
 822     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 823     dcb.ByteSize = 255; /* likely bogus */
 824     ok(!SetCommState(hcom, &dcb), "SetCommState should have failed\n");
 825     ok(ClearCommError(hcom, &err, NULL), "ClearCommError should succeed\n");
 826     ok(!(err & CE_MODE), "ClearCommError shouldn't set CE_MODE byte in this case (%x)\n", err);
 827 }
 828
 829 /**/
 830 static void test_LoopbackRead(HANDLE hcom)
 831 {
 832     DCB dcb;
 833     COMMTIMEOUTS timeouts;
 834     char rbuf[32];
 835     DWORD before, after, diff, read, read1, written, evtmask=0, i;
 836     BOOL res;
 837     char tbuf[]="test_LoopbackRead";
 838
 839     trace("Starting test_LoopbackRead\n");
 840     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 841     dcb.BaudRate = FASTBAUD;
 842     dcb.ByteSize = 8;
 843     dcb.Parity = NOPARITY;
 844     dcb.fRtsControl=RTS_CONTROL_ENABLE;
 845     dcb.fDtrControl=DTR_CONTROL_ENABLE;
 846     dcb.StopBits = ONESTOPBIT;
 847     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
 848
 849     ZeroMemory( &timeouts, sizeof(timeouts));
 850     timeouts.ReadTotalTimeoutConstant = TIMEOUT;
 851     ok(SetCommTimeouts(hcom, &timeouts),"SetCommTimeouts failed\n");
 852
 853     ok(SetCommMask(hcom, EV_TXEMPTY), "SetCommMask failed\n");
 854
 855     before = GetTickCount();
 856     ok(WriteFile(hcom,tbuf,sizeof(tbuf),&written, NULL), "WriteFile failed\n");
 857     after = GetTickCount();
 858     ok(written == sizeof(tbuf),"WriteFile %d bytes written\n", written);
 859     diff = after -before;
 860
 861     /* make sure all bytes are written, so Readfile will succeed in one call*/
 862     ok(WaitCommEvent(hcom, &evtmask, NULL), "WaitCommEvent failed\n");
 863     before = GetTickCount();
 864     ok(evtmask == EV_TXEMPTY,
 865                  "WaitCommEvent: Unexpected EvtMask 0x%08x, expected 0x%08x\n",
 866                  evtmask, EV_TXEMPTY);
 867     trace("Write %d ms WaitCommEvent EV_TXEMPTY %d ms\n", diff, before- after);
 868
 869     read=0;
 870     ok(ReadFile(hcom, rbuf, sizeof(rbuf), &read, NULL), "Readfile failed\n");
 871     ok(read == sizeof(tbuf),"ReadFile read %d bytes, expected \"%s\"\n", read,rbuf);
 872
 873     /* Now do the same with a slower Baud rate.
 874        As we request more characters then written, we will hit the timeout
 875     */
 876
 877     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 878     dcb.BaudRate = 9600;
 879     dcb.ByteSize = 8;
 880     dcb.Parity = NOPARITY;
 881     dcb.fRtsControl=RTS_CONTROL_ENABLE;
 882     dcb.fDtrControl=DTR_CONTROL_ENABLE;
 883     dcb.StopBits = ONESTOPBIT;
 884     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
 885
 886     ok(SetCommMask(hcom, EV_RXCHAR), "SetCommMask failed\n");
 887     ok(WriteFile(hcom,tbuf,sizeof(tbuf),&written, NULL), "WriteFile failed\n");
 888     ok(written == sizeof(tbuf),"WriteFile %d bytes written\n", written);
 889
 890     trace("WaitCommEventEV_RXCHAR\n");
 891     ok(WaitCommEvent(hcom, &evtmask, NULL), "WaitCommEvent failed\n");
 892     ok(evtmask == EV_RXCHAR, "WaitCommEvent: Unexpected EvtMask 0x%08x, expected 0x%08x\n",
 893        evtmask, EV_RXCHAR);
 894
 895     before = GetTickCount();
 896     res = ReadFile(hcom, rbuf, sizeof(rbuf), &read, NULL);
 897     after = GetTickCount();
 898     ok(res, "Readfile failed\n");
 899     ok(read == sizeof(tbuf),"ReadFile read %d bytes\n", read);
 900     diff = after - before;
 901     trace("Readfile for %d chars took %d ms\n", read, diff);
 902     ok( (diff > TIMEOUT - TIMEDELTA) && (diff < TIMEOUT + TIMEDELTA),
 903         "Timedout Wait took %d ms, expected around %d\n", diff, TIMEOUT);
 904
 905     /* now do a plain read with slow speed
 906      * This will result in several low level reads and a timeout to happen
 907      */
 908     dcb.BaudRate = SLOWBAUD;
 909     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
 910     ok(WriteFile(hcom,tbuf,sizeof(tbuf),&written, NULL), "WriteFile failed\n");
 911     before = GetTickCount();
 912     read = 0;
 913     read1 =0;
 914     i=0;
 915     do
 916     {
 917         res = ReadFile(hcom, rbuf+read, sizeof(rbuf-read), &read1, NULL);
 918         ok(res, "Readfile failed\n");
 919         read += read1;
 920         i++;
 921     }
 922     while ((read < sizeof(tbuf)) && (i <10));
 923     after =  GetTickCount();
 924     ok( read == sizeof(tbuf),"ReadFile read %d bytes\n", read);
 925     trace("Plain Read for %d char at %d baud took %d ms\n", read, SLOWBAUD, after-before);
 926 }
 927
 928 static void test_LoopbackCtsRts(HANDLE hcom)
 929 {
 930     DWORD ModemStat = 0, defaultStat = 0;
 931     DCB dcb;
 932
 933     memset (&dcb, 0, sizeof (dcb));
 934     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 935     if (dcb.fRtsControl == RTS_CONTROL_HANDSHAKE)
 936     {
 937         trace("RTS_CONTROL_HANDSHAKE is set, so don't manipulate RTS\n");
 938         return;
 939     }
 940     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
 941     /* XP returns some values in the low nibble, so mask them out*/
 942     defaultStat &= MS_CTS_ON|MS_DSR_ON|MS_RING_ON|MS_RLSD_ON;
 943     if(defaultStat & MS_CTS_ON)
 944     {
 945         ok(EscapeCommFunction(hcom, CLRRTS), "EscapeCommFunction failed to clear RTS\n");
 946         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 947         ok ((ModemStat & MS_CTS_ON) == 0, "CTS didn't react: 0x%04x,  expected 0x%04x\n",
 948             ModemStat, (defaultStat & ~MS_CTS_ON));
 949         ok(EscapeCommFunction(hcom, SETRTS), "EscapeCommFunction failed to clear RTS\n");
 950         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 951         ok (ModemStat ==  defaultStat, "Failed to restore CTS: 0x%04x, expected 0x%04x\n",
 952             ModemStat, defaultStat);
 953     }
 954     else
 955     {
 956         ok(EscapeCommFunction(hcom, SETRTS), "EscapeCommFunction failed to set RTS\n");
 957         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 958         ok ((ModemStat & MS_CTS_ON) == MS_CTS_ON,
 959             "CTS didn't react: 0x%04x,  expected 0x%04x\n",
 960             ModemStat, (defaultStat | MS_CTS_ON));
 961         ok(EscapeCommFunction(hcom, CLRRTS), "EscapeCommFunction failed to clear RTS\n");
 962         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 963         ok (ModemStat ==  defaultStat, "Failed to restore CTS: 0x%04x, expected 0x%04x\n",
 964             ModemStat, defaultStat);
 965     }
 966 }
 967
 968 static void test_LoopbackDtrDcd(HANDLE hcom)
 969 {
 970     DWORD ModemStat = 0, defaultStat = 0;
 971     DCB dcb;
 972
 973     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 974     if (dcb.fDtrControl == DTR_CONTROL_HANDSHAKE)
 975     {
 976         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
 977         return;
 978     }
 979     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
 980     /* XP returns some values in the low nibble, so mask them out*/
 981     defaultStat &= MS_CTS_ON|MS_DSR_ON|MS_RING_ON|MS_RLSD_ON;
 982     if(defaultStat & MS_RLSD_ON)
 983     {
 984         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
 985         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 986         ok ((ModemStat & MS_RLSD_ON) == 0, "RLSD didn't react: 0x%04x,  expected 0x%04x\n",
 987             ModemStat, (defaultStat & ~MS_RLSD_ON));
 988         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to set DTR\n");
 989         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 990         ok (ModemStat ==  defaultStat, "Failed to restore RLSD: 0x%04x, expected 0x%04x\n",
 991             ModemStat, defaultStat);
 992     }
 993     else
 994     {
 995         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to set DTR\n");
 996         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 997         ok ((ModemStat & MS_RLSD_ON) == MS_RLSD_ON,
 998             "RLSD didn't react: 0x%04x,  expected 0x%04x\n",
 999             ModemStat, (defaultStat | MS_RLSD_ON));
1000         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
1001         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1002         ok (ModemStat ==  defaultStat, "Failed to restore RLSD: 0x%04x, expected 0x%04x\n",
1003             ModemStat, defaultStat);
1004     }
1005 }
1006
1007 static void test_LoopbackDtrDsr(HANDLE hcom)
1008 {
1009     DWORD ModemStat = 0, defaultStat = 0;
1010     DCB dcb;
1011
1012     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1013     if (dcb.fDtrControl == DTR_CONTROL_DISABLE)
1014     {
1015         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1016         return;
1017     }
1018     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
1019     /* XP returns some values in the low nibble, so mask them out*/
1020     defaultStat &= MS_CTS_ON|MS_DSR_ON|MS_RING_ON|MS_RLSD_ON;
1021     if(defaultStat & MS_DSR_ON)
1022     {
1023         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
1024         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1025         ok ((ModemStat & MS_DSR_ON) == 0, "CTS didn't react: 0x%04x,  expected 0x%04x\n",
1026             ModemStat, (defaultStat & ~MS_DSR_ON));
1027         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to clear DTR\n");
1028         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1029         ok (ModemStat ==  defaultStat, "Failed to restore DSR: 0x%04x, expected 0x%04x\n",
1030             ModemStat, defaultStat);
1031     }
1032     else
1033     {
1034         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to set DTR\n");
1035         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1036         ok ((ModemStat & MS_DSR_ON) == MS_DSR_ON,
1037             "CTS didn't react: 0x%04x,expected 0x%04x\n",
1038             ModemStat, (defaultStat | MS_DSR_ON));
1039         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
1040         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1041         ok (ModemStat ==  defaultStat, "Failed to restore DSR: 0x%04x, expected 0x%04x\n",
1042             ModemStat, defaultStat);
1043     }
1044 }
1045
1046 static void test_LoopbackDtrRing(HANDLE hcom)
1047 {
1048     DWORD ModemStat = 0, defaultStat = 0;
1049     DCB dcb;
1050
1051     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1052     if (dcb.fDtrControl == DTR_CONTROL_HANDSHAKE)
1053     {
1054         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1055         return;
1056     }
1057     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
1058     /* XP returns some values in the low nibble, so mask them out*/
1059     defaultStat &= MS_CTS_ON|MS_DSR_ON|MS_RING_ON|MS_RLSD_ON;
1060     if(defaultStat & MS_RING_ON)
1061     {
1062         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
1063         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1064         ok ((ModemStat & MS_RING_ON) == 0, "RING didn't react: 0x%04x,  expected 0x%04x\n",
1065             ModemStat, (defaultStat & ~MS_RING_ON));
1066         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to set DTR\n");
1067         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1068         ok (ModemStat ==  defaultStat, "Failed to restore RING: 0x%04x, expected 0x%04x\n",
1069             ModemStat, defaultStat);
1070     }
1071     else
1072     {
1073         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to set DTR\n");
1074         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1075         ok ((ModemStat & MS_RING_ON) == MS_RING_ON,
1076             "RING didn't react: 0x%04x,expected 0x%04x\n",
1077             ModemStat, (defaultStat | MS_RING_ON));
1078         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
1079         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1080         ok (ModemStat ==  defaultStat, "Failed to restore RING: 0x%04x, expected 0x%04x\n",
1081             ModemStat, defaultStat);
1082     }
1083 }
1084
1085 /*
1086  * Set up a WaitCommEvent for anything in the receive buffer,
1087  * then write to TX to put a character
1088  * into the RX buffer
1089  * Need Loopback TX->RX
1090 */
1091
1092 static void  test_WaitRx(HANDLE hcom)
1093 {
1094     OVERLAPPED overlapped, overlapped_w;
1095     HANDLE hComPortEvent, hComWriteEvent;
1096     DWORD before, after, after1, diff, success_wait = FALSE, success_write;
1097     DWORD err_wait, err_write, written, evtmask=0;
1098
1099     ok(SetCommMask(hcom, EV_RXCHAR), "SetCommMask failed\n");
1100     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1101     ok(hComPortEvent != 0, "CreateEvent failed\n");
1102     ZeroMemory( &overlapped, sizeof(overlapped));
1103     overlapped.hEvent = hComPortEvent;
1104
1105     ok((hComWriteEvent =  CreateEvent( NULL, TRUE, FALSE, NULL )) !=0,
1106        "CreateEvent res %d\n",
1107        GetLastError());
1108     ZeroMemory( &overlapped_w, sizeof(overlapped_w));
1109     overlapped_w.hEvent = hComWriteEvent;
1110
1111     before = GetTickCount();
1112     {success_wait = WaitCommEvent(hcom, &evtmask, &overlapped);}
1113     err_wait = GetLastError();
1114     after = GetTickCount();
1115     trace("Success 0x%08x err %d evtmask 0x%08x\n", success_wait, err_wait, evtmask);
1116     ok(success_wait || err_wait == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1117     trace("overlapped WriteCommEvent returned.\n");
1118
1119     success_write= WriteFile(hcom, "X", 1, &written, &overlapped_w);
1120     err_write = GetLastError();
1121     ok(success_write || err_write == ERROR_IO_PENDING,
1122        "overlapped WriteFile failed, err %d\n",
1123        err_write);
1124
1125     if (!success_write && (err_write == ERROR_IO_PENDING)) {
1126       success_write = WaitForSingleObjectEx(hComWriteEvent, TIMEOUT, TRUE);
1127       err_write = GetLastError();
1128       ok(success_write == WAIT_OBJECT_0, "WaitForSingleObjectEx, res %d, err %d\n",
1129          success_write, err_write);
1130     }
1131     Sleep(TIMEOUT >>1);
1132     success_write = GetOverlappedResult(hcom, &overlapped_w, &written, FALSE);
1133     err_write = GetLastError();
1134
1135     trace("Write after Wait res 0x%08x err %d\n",success_write, err_write);
1136     ok(success_write && written ==1, "Write after Wait res 0x%08x err %d\n",
1137        success_write, err_write);
1138
1139     if (!success_wait && (err_wait == ERROR_IO_PENDING)) {
1140       success_wait = WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE);
1141       err_wait = GetLastError();
1142       ok(success_wait == WAIT_OBJECT_0, "wait hComPortEvent, res 0x%08x, err %d\n",
1143          success_wait, err_wait);
1144     }
1145     success_wait = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1146     err_wait = GetLastError();
1147     after1 = GetTickCount();
1148     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1149           success_wait, err_wait, evtmask, after-before, after1-before);
1150
1151     ok(evtmask & EV_RXCHAR, "Detect  EV_RXCHAR: 0x%08x, expected 0x%08x\n",
1152        evtmask, EV_RXCHAR);
1153     diff = after1 - before;
1154     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1155         "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1156
1157 }
1158
1159 /* Change the controling line after the given timeout to the given state
1160    By the loopback, this should trigger the WaitCommEvent
1161 */
1162 static DWORD CALLBACK toggle_ctlLine(LPVOID arg)
1163 {
1164     DWORD *args = (DWORD *) arg;
1165     DWORD timeout = args[0];
1166     DWORD ctl     = args[1];
1167     HANDLE hcom   = (HANDLE) args[2];
1168     HANDLE hComPortEvent = (HANDLE) args[3];
1169     DWORD success, err;
1170
1171     trace("toggle_ctlLine timeout %d clt 0x%08x handle 0x%08x\n",
1172           args[0], args[1], args[2]);
1173     Sleep(timeout);
1174     ok(EscapeCommFunction(hcom, ctl),"EscapeCommFunction 0x%08x failed\n", ctl);
1175     trace("toggle_ctline done\n");
1176     success = WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE);
1177     err = GetLastError();
1178     trace("toggle_ctline WaitForSingleObjectEx res 0x%08x err %d\n",
1179           success, err);
1180     return 0;
1181 }
1182
1183 /*
1184  * Wait for a change in CTS
1185  * Needs Loopback from DTR to CTS
1186  */
1187 static void  test_WaitCts(HANDLE hcom)
1188 {
1189     DCB dcb;
1190     OVERLAPPED overlapped;
1191     HANDLE hComPortEvent;
1192     HANDLE alarmThread;
1193     DWORD args[4], defaultStat = 0;
1194     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0;
1195
1196     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1197     dcb.fRtsControl=RTS_CONTROL_ENABLE;
1198     dcb.fDtrControl=DTR_CONTROL_ENABLE;
1199     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
1200     if (dcb.fDtrControl == RTS_CONTROL_DISABLE)
1201     {
1202         trace("RTS_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1203         return;
1204     }
1205     args[0]= TIMEOUT >>1;
1206     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
1207     if(defaultStat & MS_CTS_ON)
1208         args[1] = CLRRTS;
1209     else
1210         args[1] = SETRTS;
1211     args[2]=(DWORD) hcom;
1212
1213     trace("test_WaitCts timeout %d clt 0x%08x handle 0x%08x\n",args[0], args[1], args[2]);
1214
1215     ok(SetCommMask(hcom, EV_CTS), "SetCommMask failed\n");
1216     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1217     ok(hComPortEvent != 0, "CreateEvent failed\n");
1218     args[3] = (DWORD) hComPortEvent;
1219     alarmThread = CreateThread(NULL, 0, toggle_ctlLine, (void *) &args, 0, &alarmThreadId);
1220     /* Wait a minimum to let the thread start up */
1221     Sleep(10);
1222     trace("Thread created\n");
1223     ok(alarmThread !=0 , "CreateThread Failed\n");
1224
1225     ZeroMemory( &overlapped, sizeof(overlapped));
1226     overlapped.hEvent = hComPortEvent;
1227     before = GetTickCount();
1228     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1229     err = GetLastError();
1230     after = GetTickCount();
1231
1232     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1233     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1234     trace("overlapped WriteCommEvent returned.\n");
1235     if (!success && (err == ERROR_IO_PENDING))
1236         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1237                      "WaitCts hComPortEvent failed\n");
1238     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1239     err = GetLastError();
1240     after1 = GetTickCount();
1241     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1242           success, err, evtmask, after-before, after1-before);
1243
1244     ok(evtmask & EV_CTS, "Failed to detect  EV_CTS: 0x%08x, expected 0x%08x\n",
1245                  evtmask, EV_CTS);
1246     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1247     if(defaultStat & MS_CTS_ON)
1248         ok((evtmask & MS_CTS_ON) == 0,"CTS didn't change state!\n");
1249     else
1250         ok((evtmask & MS_CTS_ON), "CTS didn't change state!\n");
1251
1252     diff = after1 - before;
1253     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1254                   "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1255
1256     /*restore RTS Settings*/
1257     if(defaultStat & MS_CTS_ON)
1258         args[1] = SETRTS;
1259     else
1260         args[1] = CLRRTS;
1261 }
1262
1263 /* Change the  Comm Mask while a Wait is going on
1264    WaitCommevent should return with a EVTMASK set to zero
1265 */
1266 static DWORD CALLBACK reset_CommMask(LPVOID arg)
1267 {
1268     DWORD *args = (DWORD *) arg;
1269     DWORD timeout = args[0];
1270     HANDLE hcom   = (HANDLE) args[1];
1271
1272     trace(" Changing CommMask on the fly for handle %p after timeout %d\n",
1273           hcom, timeout);
1274     Sleep(timeout);
1275     ok(SetCommMask(hcom, 0),"SetCommMask %p failed\n", hcom);
1276     trace("SetCommMask changed\n");
1277     return 0;
1278 }
1279
1280 /* Set up a Wait for a change on CTS. We don't toggle any line, but we
1281    reset the CommMask and expect the wait to return with a mask of 0
1282    No special port connections needed
1283 */
1284 static void  test_AbortWaitCts(HANDLE hcom)
1285 {
1286     DCB dcb;
1287     OVERLAPPED overlapped;
1288     HANDLE hComPortEvent;
1289     HANDLE alarmThread;
1290     DWORD args[2];
1291     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0;
1292
1293     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1294     if (dcb.fDtrControl == RTS_CONTROL_DISABLE)
1295     {
1296         trace("RTS_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1297         return;
1298     }
1299     args[0]= TIMEOUT >>1;
1300     args[1]=(DWORD) hcom;
1301
1302     trace("test_AbortWaitCts timeout %d handle 0x%08x\n",args[0], args[1]);
1303
1304     ok(SetCommMask(hcom, EV_CTS), "SetCommMask failed\n");
1305     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1306     ok(hComPortEvent != 0, "CreateEvent failed\n");
1307     alarmThread = CreateThread(NULL, 0, reset_CommMask, (void *) &args, 0, &alarmThreadId);
1308     /* Wait a minimum to let the thread start up */
1309     Sleep(10);
1310     trace("Thread created\n");
1311     ok(alarmThread !=0 , "CreateThread Failed\n");
1312
1313     ZeroMemory( &overlapped, sizeof(overlapped));
1314     overlapped.hEvent = hComPortEvent;
1315     before = GetTickCount();
1316     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1317     err = GetLastError();
1318     after = GetTickCount();
1319
1320     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1321     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1322     trace("overlapped WriteCommEvent returned.\n");
1323     if (!success && (err == ERROR_IO_PENDING))
1324         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1325                      "AbortWaitCts hComPortEvent failed\n");
1326     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1327     err = GetLastError();
1328     after1 = GetTickCount();
1329     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1330           success, err, evtmask, after-before, after1-before);
1331
1332     ok(evtmask == 0, "Incorect EventMask 0x%08x returned on Wait aborted bu SetCommMask, expected 0x%08x\n",
1333                  evtmask, 0);
1334     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1335     diff = after1 - before;
1336     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1337                   "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1338
1339 }
1340
1341 /*
1342  * Wait for a change in DSR
1343  * Needs Loopback from DTR to DSR
1344  */
1345 static void  test_WaitDsr(HANDLE hcom)
1346 {
1347     DCB dcb;
1348     OVERLAPPED overlapped;
1349     HANDLE hComPortEvent;
1350     HANDLE alarmThread;
1351     DWORD args[3], defaultStat = 0;
1352     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0;
1353
1354     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1355     if (dcb.fDtrControl == DTR_CONTROL_DISABLE)
1356     {
1357         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1358         return;
1359     }
1360     args[0]= TIMEOUT >>1;
1361     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
1362     if(defaultStat & MS_DSR_ON)
1363         args[1] = CLRDTR;
1364     else
1365         args[1] = SETDTR;
1366     args[2]=(DWORD) hcom;
1367
1368     trace("test_WaitDsr timeout %d clt 0x%08x handle 0x%08x\n",args[0], args[1], args[2]);
1369
1370     ok(SetCommMask(hcom, EV_DSR), "SetCommMask failed\n");
1371     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1372     ok(hComPortEvent != 0, "CreateEvent failed\n");
1373     alarmThread = CreateThread(NULL, 0, toggle_ctlLine, (void *) &args, 0, &alarmThreadId);
1374     ok(alarmThread !=0 , "CreateThread Failed\n");
1375
1376     ZeroMemory( &overlapped, sizeof(overlapped));
1377     overlapped.hEvent = hComPortEvent;
1378     before = GetTickCount();
1379     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1380     err = GetLastError();
1381     after = GetTickCount();
1382
1383     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1384     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1385     trace("overlapped WriteCommEvent returned.\n");
1386     if (!success && (err == ERROR_IO_PENDING))
1387         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1388                      "wait hComPortEvent failed\n");
1389     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1390     err = GetLastError();
1391     after1 = GetTickCount();
1392     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1393           success, err, evtmask, after-before, after1-before);
1394
1395     ok(evtmask & EV_DSR, "Failed to detect  EV_DSR: 0x%08x, expected 0x%08x\n",
1396                  evtmask, EV_DSR);
1397     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1398     if(defaultStat & MS_DSR_ON)
1399         ok((evtmask & MS_DSR_ON) == 0,"DTR didn't change state!\n");
1400     else
1401         ok((evtmask & MS_DSR_ON), "DTR didn't change state!\n");
1402
1403     diff = after1 - before;
1404     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1405                   "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1406
1407     /*restore RTS Settings*/
1408     if(defaultStat & MS_DSR_ON)
1409         args[1] = SETDTR;
1410     else
1411         args[1] = CLRDTR;
1412 }
1413
1414 /*
1415  * Wait for a Ring
1416  * Needs Loopback from DTR to RING
1417  */
1418 static void  test_WaitRing(HANDLE hcom)
1419 {
1420     DCB dcb;
1421     OVERLAPPED overlapped;
1422     HANDLE hComPortEvent;
1423     HANDLE alarmThread;
1424     DWORD args[3], defaultStat;
1425     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0;
1426     BOOL ret;
1427
1428     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1429     if (dcb.fDtrControl == DTR_CONTROL_DISABLE)
1430     {
1431         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1432         return;
1433     }
1434     args[0]= TIMEOUT >>1;
1435     ok((ret = GetCommModemStatus(hcom, &defaultStat)), "GetCommModemStatus failed\n");
1436     if (!ret) {
1437         skip("modem status failed -> skip.\n");
1438         return;
1439     }
1440     if(defaultStat & MS_RING_ON)
1441         args[1] = CLRDTR;
1442     else
1443         args[1] = SETDTR;
1444     args[2]=(DWORD) hcom;
1445
1446     trace("test_WaitRing timeout %d clt 0x%08x handle 0x%08x\n",args[0], args[1], args[2]);
1447
1448     ok(SetCommMask(hcom, EV_RING), "SetCommMask failed\n");
1449     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1450     ok(hComPortEvent != 0, "CreateEvent failed\n");
1451     alarmThread = CreateThread(NULL, 0, toggle_ctlLine, (void *) &args, 0, &alarmThreadId);
1452     ok(alarmThread !=0 , "CreateThread Failed\n");
1453
1454     ZeroMemory( &overlapped, sizeof(overlapped));
1455     overlapped.hEvent = hComPortEvent;
1456     before = GetTickCount();
1457     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1458     err = GetLastError();
1459     after = GetTickCount();
1460
1461     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1462     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1463     trace("overlapped WriteCommEvent returned.\n");
1464     if (!success && (err == ERROR_IO_PENDING))
1465         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1466                      "wait hComPortEvent failed\n");
1467     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1468     err = GetLastError();
1469     after1 = GetTickCount();
1470     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1471           success, err, evtmask, after-before, after1-before);
1472
1473     ok(evtmask & EV_RING, "Failed to detect  EV_RING: 0x%08x, expected 0x%08x\n",
1474        evtmask, EV_CTS);
1475     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1476     if(defaultStat & MS_RING_ON)
1477         ok((evtmask & MS_RING_ON) == 0,"DTR didn't change state!\n");
1478     else
1479         ok((evtmask & MS_RING_ON), "DTR didn't change state!\n");
1480
1481     diff = after1 - before;
1482     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1483                   "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1484
1485     /*restore RTS Settings*/
1486     if(defaultStat & MS_RING_ON)
1487         args[1] = SETDTR;
1488     else
1489         args[1] = CLRDTR;
1490 }
1491 /*
1492  * Wait for a change in DCD
1493  * Needs Loopback from DTR to DCD
1494  */
1495 static void  test_WaitDcd(HANDLE hcom)
1496 {
1497     DCB dcb;
1498     OVERLAPPED overlapped;
1499     HANDLE hComPortEvent;
1500     HANDLE alarmThread;
1501     DWORD args[3], defaultStat = 0;
1502     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0;
1503
1504     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1505     if (dcb.fDtrControl == DTR_CONTROL_DISABLE)
1506     {
1507         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1508         return;
1509     }
1510     args[0]= TIMEOUT >>1;
1511     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
1512     if(defaultStat & MS_RLSD_ON)
1513         args[1] = CLRDTR;
1514     else
1515         args[1] = SETDTR;
1516     args[2]=(DWORD) hcom;
1517
1518     trace("test_WaitDcd timeout %d clt 0x%08x handle 0x%08x\n",args[0], args[1], args[2]);
1519
1520     ok(SetCommMask(hcom, EV_RLSD), "SetCommMask failed\n");
1521     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1522     ok(hComPortEvent != 0, "CreateEvent failed\n");
1523     alarmThread = CreateThread(NULL, 0, toggle_ctlLine, (void *) &args, 0, &alarmThreadId);
1524     ok(alarmThread !=0 , "CreateThread Failed\n");
1525
1526     ZeroMemory( &overlapped, sizeof(overlapped));
1527     overlapped.hEvent = hComPortEvent;
1528     before = GetTickCount();
1529     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1530     err = GetLastError();
1531     after = GetTickCount();
1532
1533     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1534     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1535     trace("overlapped WriteCommEvent returned.\n");
1536     if (!success && (err == ERROR_IO_PENDING))
1537         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1538                      "wait hComPortEvent failed\n");
1539     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1540     err = GetLastError();
1541     after1 = GetTickCount();
1542     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1543           success, err, evtmask, after-before, after1-before);
1544
1545     ok(evtmask & EV_RLSD, "Failed to detect  EV_RLSD: 0x%08x, expected 0x%08x\n",
1546                  evtmask, EV_CTS);
1547     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1548     if(defaultStat & MS_RLSD_ON)
1549         ok((evtmask & MS_RLSD_ON) == 0,"DTR didn't change state!\n");
1550     else
1551         ok((evtmask & MS_RLSD_ON), "DTR didn't change state!\n");
1552
1553     diff = after1 - before;
1554     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1555                   "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1556
1557     /*restore RTS Settings*/
1558     if(defaultStat & MS_RLSD_ON)
1559         args[1] = SETDTR;
1560     else
1561         args[1] = CLRDTR;
1562 }
1563
1564 /*
1565    Set Break after timeout
1566 */
1567 static DWORD CALLBACK set_CommBreak(LPVOID arg)
1568 {
1569     DWORD *args = (DWORD *) arg;
1570     DWORD timeout = args[0];
1571     HANDLE hcom   = (HANDLE) args[1];
1572
1573     trace("SetCommBreak for handle %p after timeout %d\n",
1574           hcom, timeout);
1575     Sleep(timeout);
1576     ok(SetCommBreak(hcom),"SetCommBreak %p failed\n", hcom);
1577     trace("SetCommBreak done\n");
1578     return 0;
1579 }
1580
1581 /*
1582    Wait for the Break condition (TX resp. RX active)
1583    Needs Loopback TX-RX
1584 */
1585 static void  test_WaitBreak(HANDLE hcom)
1586 {
1587     OVERLAPPED overlapped;
1588     HANDLE hComPortEvent;
1589     HANDLE alarmThread;
1590     DWORD args[2];
1591     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0;
1592
1593     ok(SetCommMask(hcom, EV_BREAK), "SetCommMask failed\n");
1594     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1595     ok(hComPortEvent != 0, "CreateEvent failed\n");
1596
1597     trace("test_WaitBreak\n");
1598     args[0]= TIMEOUT >>1;
1599     args[1]=(DWORD) hcom;
1600     alarmThread = CreateThread(NULL, 0, set_CommBreak, (void *) &args, 0, &alarmThreadId);
1601     /* Wait a minimum to let the thread start up */
1602     Sleep(10);
1603     trace("Thread created\n");
1604     ok(alarmThread !=0 , "CreateThread Failed\n");
1605
1606     ZeroMemory( &overlapped, sizeof(overlapped));
1607     overlapped.hEvent = hComPortEvent;
1608     before = GetTickCount();
1609     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1610     err = GetLastError();
1611     after = GetTickCount();
1612
1613     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1614     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1615     trace("overlapped WriteCommEvent returned.\n");
1616
1617     if (!success && (err == ERROR_IO_PENDING))
1618         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1619            "wait hComPortEvent res %d\n", GetLastError());
1620     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1621     err = GetLastError();
1622     after1 = GetTickCount();
1623     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1624           success, err, evtmask, after-before, after1-before);
1625
1626     ok(evtmask & EV_BREAK, "Failed to detect  EV_BREAK: 0x%08x, expected 0x%08x\n",
1627        evtmask, EV_BREAK);
1628     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1629
1630     diff = after1 - before;
1631     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1632         "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1633
1634     ok(ClearCommBreak(hcom), "ClearCommBreak failed\n");
1635 }
1636
1637 START_TEST(comm)
1638 {
1639     HANDLE hcom;
1640     /* use variables and not #define to compile the code */
1641     BOOL loopback_txd_rxd  = LOOPBACK_TXD_RXD;
1642     BOOL loopback_rts_cts  = LOOPBACK_CTS_RTS;
1643     BOOL loopback_dtr_dsr  = LOOPBACK_DTR_DSR;
1644     BOOL loopback_dtr_ring = LOOPBACK_DTR_RING;
1645     BOOL loopback_dtr_dcd  = LOOPBACK_DTR_DCD;
1646
1647     test_BuildCommDCB();
1648     hcom = test_OpenComm(FALSE);
1649     if (hcom != INVALID_HANDLE_VALUE)
1650     {
1651         test_GetModemStatus(hcom);
1652         test_ReadTimeOut(hcom);
1653         test_waittxempty(hcom);
1654         CloseHandle(hcom);
1655     }
1656     hcom = test_OpenComm(FALSE);
1657     if (hcom != INVALID_HANDLE_VALUE)
1658     {
1659         Sleep(200); /* Give the laster character of test_waittxempty to drop into the receiver */
1660         test_ClearCommErrors(hcom);
1661         CloseHandle(hcom);
1662     }
1663     hcom = test_OpenComm(FALSE);
1664     if (hcom != INVALID_HANDLE_VALUE)
1665     {
1666         test_non_pending_errors(hcom);
1667         CloseHandle(hcom);
1668     }
1669     if((loopback_txd_rxd) && ((hcom = test_OpenComm(FALSE))!=INVALID_HANDLE_VALUE))
1670     {
1671         test_LoopbackRead(hcom);
1672         CloseHandle(hcom);
1673     }
1674     if((loopback_rts_cts) && ((hcom = test_OpenComm(FALSE))!=INVALID_HANDLE_VALUE))
1675     {
1676         test_LoopbackCtsRts(hcom);
1677         CloseHandle(hcom);
1678     }
1679     if((loopback_dtr_dsr) && ((hcom = test_OpenComm(FALSE))!=INVALID_HANDLE_VALUE))
1680     {
1681         test_LoopbackDtrDsr(hcom);
1682         CloseHandle(hcom);
1683     }
1684     if((loopback_dtr_ring) && ((hcom = test_OpenComm(FALSE))!=INVALID_HANDLE_VALUE))
1685     {
1686         test_LoopbackDtrRing(hcom);
1687         CloseHandle(hcom);
1688     }
1689     if((loopback_dtr_dcd) && ((hcom = test_OpenComm(FALSE))!=INVALID_HANDLE_VALUE))
1690     {
1691         test_LoopbackDtrDcd(hcom);
1692         CloseHandle(hcom);
1693     }
1694     if((loopback_txd_rxd) && ((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE))
1695     {
1696         test_WaitRx(hcom);
1697         CloseHandle(hcom);
1698     }
1699     if((loopback_rts_cts) && ((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE))
1700     {
1701         test_WaitCts(hcom);
1702         CloseHandle(hcom);
1703     }
1704     if((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE)
1705     {
1706         test_AbortWaitCts(hcom);
1707         CloseHandle(hcom);
1708     }
1709     if((loopback_dtr_dsr) && ((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE))
1710     {
1711         test_WaitDsr(hcom);
1712         CloseHandle(hcom);
1713     }
1714     if((loopback_dtr_ring) && ((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE))
1715     {
1716         test_WaitRing(hcom);
1717         CloseHandle(hcom);
1718     }
1719     if((loopback_dtr_dcd) && ((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE))
1720     {
1721         test_WaitDcd(hcom);
1722         CloseHandle(hcom);
1723     }
1724     if(loopback_txd_rxd && (hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE)
1725     {
1726         test_WaitBreak(hcom);
1727         CloseHandle(hcom);
1728     }
1729 }