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, (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         {
 575                 win_skip("BuildCommDCBW is not available\n");
 576                 return;
 577         }
 578
 579         /* check results */
 580         check_result("BuildCommDCBW", ptest, initial_value, result);
 581         check_dcb("BuildCommDCBW", ptest, initial_value, &dcb, pexpected_dcb);
 582 }
 583
 584 static void test_BuildCommDCBAndTimeoutsW(TEST *ptest, int initial_value, DCB *pexpected_dcb, COMMTIMEOUTS *pexpected_timeouts)
 585 {
 586         BOOL result;
 587         DCB dcb;
 588         COMMTIMEOUTS timeouts;
 589         WCHAR wide_string[sizeof(ptest->string)];
 590
 591         MultiByteToWideChar(CP_ACP, 0, ptest->string, -1, wide_string, sizeof(wide_string) / sizeof(WCHAR));
 592
 593         /* set initial conditions */
 594         memset(&dcb, initial_value, sizeof(DCB));
 595         memset(&timeouts, initial_value, sizeof(COMMTIMEOUTS));
 596         SetLastError(0xdeadbeef);
 597
 598         result = BuildCommDCBAndTimeoutsW(wide_string, &dcb, &timeouts);
 599
 600         if(GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
 601         {
 602                 win_skip("BuildCommDCBAndTimeoutsW is not available\n");
 603                 return;
 604         }
 605
 606         /* check results */
 607         check_result("BuildCommDCBAndTimeoutsA", ptest, initial_value, result);
 608         check_dcb("BuildCommDCBAndTimeoutsA", ptest, initial_value, &dcb, pexpected_dcb);
 609         check_timeouts("BuildCommDCBAndTimeoutsA", ptest, initial_value, &timeouts, pexpected_timeouts);
 610 }
 611
 612 static void test_BuildCommDCB(void)
 613 {
 614         char port_name[] = "COMx";
 615         char port = 0;
 616         unsigned int i;
 617         char *ptr;
 618
 619         /* Some of these tests require a valid COM port.  This loop will try to find
 620            a valid port. */
 621         for(port_name[3] = '1'; port_name[3] <= '9'; port_name[3]++)
 622         {
 623                 COMMCONFIG commconfig;
 624                 DWORD size = sizeof(COMMCONFIG);
 625
 626                 if(GetDefaultCommConfig(port_name, &commconfig, &size))
 627                 {
 628                         port = port_name[3];
 629                         break;
 630                 }
 631         }
 632
 633         if(!port)
 634                 trace("Could not find a valid COM port.  Some tests will be skipped.\n");
 635
 636         for(i = 0; i < TEST_COUNT; i++)
 637         {
 638                 /* Check if this test case needs a valid COM port. */
 639                 ptr = strstr(test[i].string, "COMx");
 640
 641                 /* If required, substitute valid port number into device control string. */
 642                 if(ptr)
 643                 {
 644                         if(port)
 645                                 ptr[3] = port;
 646                         else
 647                                 continue;
 648                 }
 649
 650                 test_BuildCommDCBA(&test[i], 0x00, &test[i].dcb1);
 651                 test_BuildCommDCBA(&test[i], 0xff, &test[i].dcb2);
 652                 test_BuildCommDCBAndTimeoutsA(&test[i], 0x00, &test[i].dcb1, &test[i].timeouts1);
 653                 test_BuildCommDCBAndTimeoutsA(&test[i], 0xff, &test[i].dcb2, &test[i].timeouts2);
 654
 655                 test_BuildCommDCBW(&test[i], 0x00, &test[i].dcb1);
 656                 test_BuildCommDCBW(&test[i], 0xff, &test[i].dcb2);
 657                 test_BuildCommDCBAndTimeoutsW(&test[i], 0x00, &test[i].dcb1, &test[i].timeouts1);
 658                 test_BuildCommDCBAndTimeoutsW(&test[i], 0xff, &test[i].dcb2, &test[i].timeouts2);
 659         }
 660 }
 661
 662 static HANDLE test_OpenComm(BOOL doOverlap)
 663 {
 664     HANDLE hcom = INVALID_HANDLE_VALUE;
 665     char port_name[] = "COMx";
 666     static BOOL shown = FALSE;
 667     DWORD errors;
 668     COMSTAT comstat;
 669
 670     /* Try to find a port */
 671     for(port_name[3] = '1'; port_name[3] <= '9'; port_name[3]++)
 672     {
 673         hcom = CreateFile( port_name, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING,
 674                            (doOverlap)?FILE_FLAG_OVERLAPPED:0, NULL );
 675         if (hcom != INVALID_HANDLE_VALUE)
 676             break;
 677     }
 678     if(!shown)
 679     {
 680         if (hcom == INVALID_HANDLE_VALUE)
 681             trace("Could not find a valid COM port.  Skipping test_ReadTimeOut\n");
 682         else
 683             trace("Found Com port %s. Connected devices may disturbe results\n", port_name);
 684         /*shown = TRUE; */
 685     }
 686     if (hcom != INVALID_HANDLE_VALUE)
 687     {
 688         BOOL ret;
 689
 690         ret = ClearCommError(hcom, &errors, &comstat);
 691         if (!ret && GetLastError() == ERROR_NOT_READY)
 692         {
 693             trace("%s doesn't respond, skipping the test\n", port_name);
 694             CloseHandle(hcom);
 695             return INVALID_HANDLE_VALUE;
 696         }
 697
 698         ok(ret, "Unexpected error %u on open\n", GetLastError());
 699         ok(comstat.cbInQue == 0, "Unexpected %d chars in InQueue\n",comstat.cbInQue);
 700         ok(comstat.cbOutQue == 0, "Still pending %d charcters in OutQueue\n", comstat.cbOutQue);
 701         ok(errors == 0, "Unexpected errors 0x%08x\n", errors);
 702     }
 703     return hcom;
 704 }
 705
 706 static void test_GetModemStatus(HANDLE hcom)
 707 {
 708     DWORD ModemStat = 0;
 709
 710     ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 711     trace("GetCommModemStatus returned 0x%08x->%s%s%s%s\n", ModemStat,
 712           (ModemStat &MS_RLSD_ON)?"MS_RLSD_ON ":"",
 713           (ModemStat &MS_RING_ON)?"MS_RING_ON ":"",
 714           (ModemStat &MS_DSR_ON)?"MS_DSR_ON ":"",
 715           (ModemStat &MS_CTS_ON)?"MS_CTS_ON ":"");
 716 }
 717
 718 /* When we don't write anything, Read should time out even on a loopbacked port */
 719 static void test_ReadTimeOut(HANDLE hcom)
 720 {
 721     DCB dcb;
 722     COMMTIMEOUTS timeouts;
 723     char rbuf[32];
 724     DWORD before, after, read, timediff, LastError;
 725     BOOL res;
 726
 727     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 728     dcb.BaudRate = FASTBAUD;
 729     dcb.ByteSize = 8;
 730     dcb.Parity = NOPARITY;
 731     dcb.fRtsControl=RTS_CONTROL_ENABLE;
 732     dcb.fDtrControl=DTR_CONTROL_ENABLE;
 733     dcb.StopBits = ONESTOPBIT;
 734     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
 735
 736     ZeroMemory( &timeouts, sizeof(timeouts));
 737     timeouts.ReadTotalTimeoutConstant = TIMEOUT;
 738     ok(SetCommTimeouts(hcom, &timeouts),"SetCommTimeouts failed\n");
 739
 740     before = GetTickCount();
 741     SetLastError(0xdeadbeef);
 742     res = ReadFile(hcom, rbuf, sizeof(rbuf), &read, NULL);
 743     LastError = GetLastError();
 744     after = GetTickCount();
 745     ok( res == TRUE, "A timed-out read should return TRUE\n");
 746     ok( LastError == 0xdeadbeef, "err=%d\n", LastError);
 747     timediff = after - before;
 748     ok( timediff > TIMEOUT>>2 && timediff < TIMEOUT *2,
 749         "Unexpected TimeOut %d, expected %d\n", timediff, TIMEOUT);
 750 }
 751
 752 static void test_waittxempty(HANDLE hcom)
 753 {
 754     DCB dcb;
 755     COMMTIMEOUTS timeouts;
 756     char tbuf[]="test_waittxempty";
 757     DWORD before, after, written, timediff, evtmask = 0;
 758     BOOL res_write, res;
 759     DWORD baud = SLOWBAUD;
 760
 761     trace("test_waittxempty\n");
 762     /* set a low baud rate to have ample time*/
 763     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 764     dcb.BaudRate = baud;
 765     dcb.ByteSize = 8;
 766     dcb.Parity = NOPARITY;
 767     dcb.fRtsControl=RTS_CONTROL_ENABLE;
 768     dcb.fDtrControl=DTR_CONTROL_ENABLE;
 769     dcb.StopBits = ONESTOPBIT;
 770     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
 771
 772     ZeroMemory( &timeouts, sizeof(timeouts));
 773     timeouts.ReadTotalTimeoutConstant = TIMEOUT;
 774     ok(SetCommTimeouts(hcom, &timeouts),"SetCommTimeouts failed\n");
 775
 776     ok(SetupComm(hcom,1024,1024),"SetUpComm failed\n");
 777     ok(SetCommMask(hcom, EV_TXEMPTY), "SetCommMask failed\n");
 778
 779     before = GetTickCount();
 780     res_write=WriteFile(hcom, tbuf, sizeof(tbuf), &written, NULL);
 781     after = GetTickCount();
 782     ok(res_write == TRUE, "WriteFile failed\n");
 783     ok(written == sizeof(tbuf),
 784        "WriteFile: Unexpected write_size %d\n", written);
 785
 786     trace("WriteFile succeeded, took %d ms to write %d Bytes at %d Baud\n",
 787           after - before, written, baud);
 788
 789     before = GetTickCount();
 790     res = WaitCommEvent(hcom, &evtmask, NULL);
 791     after = GetTickCount();
 792
 793     ok(res == TRUE, "WaitCommEvent failed\n");
 794     ok((evtmask & EV_TXEMPTY),
 795                  "WaitCommEvent: Unexpected EvtMask 0x%08x, expected 0x%08x\n",
 796                  evtmask, EV_TXEMPTY);
 797
 798     timediff = after - before;
 799
 800     trace("WaitCommEvent for EV_TXEMPTY took %d ms\n", timediff);
 801     /* 050604: This shows a difference between XP (tested with mingw compiled crosstest):
 802        XP returns Writefile only after everything went out of the Serial port,
 803        while wine returns immedate.
 804        Thus on XP, WaintCommEvent after setting the CommMask for EV_TXEMPTY
 805        nearly return immediate,
 806        while on wine the most time is spent here
 807     */
 808 }
 809
 810 /* A new open handle should not return error or have bytes in the Queues */
 811 static void test_ClearCommErrors(HANDLE hcom)
 812 {
 813     DWORD   errors;
 814     COMSTAT lpStat;
 815
 816     ok(ClearCommError(hcom, &errors, &lpStat), "ClearCommError failed\n");
 817     ok(lpStat.cbInQue == 0, "Unexpected %d chars in InQueue\n", lpStat.cbInQue);
 818     ok(lpStat.cbOutQue == 0, "Unexpected %d chars in OutQueue\n", lpStat.cbOutQue);
 819     ok(errors == 0, "ClearCommErrors: Unexpected error 0x%08x\n", errors);
 820     trace("test_ClearCommErrors done\n");
 821 }
 822
 823 static void test_non_pending_errors(HANDLE hcom)
 824 {
 825     DCB dcb;
 826     DWORD err;
 827
 828     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 829     dcb.ByteSize = 255; /* likely bogus */
 830     ok(!SetCommState(hcom, &dcb), "SetCommState should have failed\n");
 831     ok(ClearCommError(hcom, &err, NULL), "ClearCommError should succeed\n");
 832     ok(!(err & CE_MODE), "ClearCommError shouldn't set CE_MODE byte in this case (%x)\n", err);
 833 }
 834
 835 /**/
 836 static void test_LoopbackRead(HANDLE hcom)
 837 {
 838     DCB dcb;
 839     COMMTIMEOUTS timeouts;
 840     char rbuf[32];
 841     DWORD before, after, diff, read, read1, written, evtmask=0, i;
 842     BOOL res;
 843     char tbuf[]="test_LoopbackRead";
 844
 845     trace("Starting test_LoopbackRead\n");
 846     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 847     dcb.BaudRate = FASTBAUD;
 848     dcb.ByteSize = 8;
 849     dcb.Parity = NOPARITY;
 850     dcb.fRtsControl=RTS_CONTROL_ENABLE;
 851     dcb.fDtrControl=DTR_CONTROL_ENABLE;
 852     dcb.StopBits = ONESTOPBIT;
 853     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
 854
 855     ZeroMemory( &timeouts, sizeof(timeouts));
 856     timeouts.ReadTotalTimeoutConstant = TIMEOUT;
 857     ok(SetCommTimeouts(hcom, &timeouts),"SetCommTimeouts failed\n");
 858
 859     ok(SetCommMask(hcom, EV_TXEMPTY), "SetCommMask failed\n");
 860
 861     before = GetTickCount();
 862     ok(WriteFile(hcom,tbuf,sizeof(tbuf),&written, NULL), "WriteFile failed\n");
 863     after = GetTickCount();
 864     ok(written == sizeof(tbuf),"WriteFile %d bytes written\n", written);
 865     diff = after -before;
 866
 867     /* make sure all bytes are written, so Readfile will succeed in one call*/
 868     ok(WaitCommEvent(hcom, &evtmask, NULL), "WaitCommEvent failed\n");
 869     before = GetTickCount();
 870     ok(evtmask == EV_TXEMPTY,
 871                  "WaitCommEvent: Unexpected EvtMask 0x%08x, expected 0x%08x\n",
 872                  evtmask, EV_TXEMPTY);
 873     trace("Write %d ms WaitCommEvent EV_TXEMPTY %d ms\n", diff, before- after);
 874
 875     read=0;
 876     ok(ReadFile(hcom, rbuf, sizeof(rbuf), &read, NULL), "Readfile failed\n");
 877     ok(read == sizeof(tbuf),"ReadFile read %d bytes, expected \"%s\"\n", read,rbuf);
 878
 879     /* Now do the same with a slower Baud rate.
 880        As we request more characters then written, we will hit the timeout
 881     */
 882
 883     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 884     dcb.BaudRate = 9600;
 885     dcb.ByteSize = 8;
 886     dcb.Parity = NOPARITY;
 887     dcb.fRtsControl=RTS_CONTROL_ENABLE;
 888     dcb.fDtrControl=DTR_CONTROL_ENABLE;
 889     dcb.StopBits = ONESTOPBIT;
 890     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
 891
 892     ok(SetCommMask(hcom, EV_RXCHAR), "SetCommMask failed\n");
 893     ok(WriteFile(hcom,tbuf,sizeof(tbuf),&written, NULL), "WriteFile failed\n");
 894     ok(written == sizeof(tbuf),"WriteFile %d bytes written\n", written);
 895
 896     trace("WaitCommEventEV_RXCHAR\n");
 897     ok(WaitCommEvent(hcom, &evtmask, NULL), "WaitCommEvent failed\n");
 898     ok(evtmask == EV_RXCHAR, "WaitCommEvent: Unexpected EvtMask 0x%08x, expected 0x%08x\n",
 899        evtmask, EV_RXCHAR);
 900
 901     before = GetTickCount();
 902     res = ReadFile(hcom, rbuf, sizeof(rbuf), &read, NULL);
 903     after = GetTickCount();
 904     ok(res, "Readfile failed\n");
 905     ok(read == sizeof(tbuf),"ReadFile read %d bytes\n", read);
 906     diff = after - before;
 907     trace("Readfile for %d chars took %d ms\n", read, diff);
 908     ok( (diff > TIMEOUT - TIMEDELTA) && (diff < TIMEOUT + TIMEDELTA),
 909         "Timedout Wait took %d ms, expected around %d\n", diff, TIMEOUT);
 910
 911     /* now do a plain read with slow speed
 912      * This will result in several low level reads and a timeout to happen
 913      */
 914     dcb.BaudRate = SLOWBAUD;
 915     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
 916     ok(WriteFile(hcom,tbuf,sizeof(tbuf),&written, NULL), "WriteFile failed\n");
 917     before = GetTickCount();
 918     read = 0;
 919     read1 =0;
 920     i=0;
 921     do
 922     {
 923         res = ReadFile(hcom, rbuf+read, sizeof(rbuf-read), &read1, NULL);
 924         ok(res, "Readfile failed\n");
 925         read += read1;
 926         i++;
 927     }
 928     while ((read < sizeof(tbuf)) && (i <10));
 929     after =  GetTickCount();
 930     ok( read == sizeof(tbuf),"ReadFile read %d bytes\n", read);
 931     trace("Plain Read for %d char at %d baud took %d ms\n", read, SLOWBAUD, after-before);
 932 }
 933
 934 static void test_LoopbackCtsRts(HANDLE hcom)
 935 {
 936     DWORD ModemStat = 0, defaultStat = 0;
 937     DCB dcb;
 938
 939     memset (&dcb, 0, sizeof (dcb));
 940     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 941     if (dcb.fRtsControl == RTS_CONTROL_HANDSHAKE)
 942     {
 943         trace("RTS_CONTROL_HANDSHAKE is set, so don't manipulate RTS\n");
 944         return;
 945     }
 946     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
 947     /* XP returns some values in the low nibble, so mask them out*/
 948     defaultStat &= MS_CTS_ON|MS_DSR_ON|MS_RING_ON|MS_RLSD_ON;
 949     if(defaultStat & MS_CTS_ON)
 950     {
 951         ok(EscapeCommFunction(hcom, CLRRTS), "EscapeCommFunction failed to clear RTS\n");
 952         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 953         ok ((ModemStat & MS_CTS_ON) == 0, "CTS didn't react: 0x%04x,  expected 0x%04x\n",
 954             ModemStat, (defaultStat & ~MS_CTS_ON));
 955         ok(EscapeCommFunction(hcom, SETRTS), "EscapeCommFunction failed to clear RTS\n");
 956         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 957         ok (ModemStat ==  defaultStat, "Failed to restore CTS: 0x%04x, expected 0x%04x\n",
 958             ModemStat, defaultStat);
 959     }
 960     else
 961     {
 962         ok(EscapeCommFunction(hcom, SETRTS), "EscapeCommFunction failed to set RTS\n");
 963         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 964         ok ((ModemStat & MS_CTS_ON) == MS_CTS_ON,
 965             "CTS didn't react: 0x%04x,  expected 0x%04x\n",
 966             ModemStat, (defaultStat | MS_CTS_ON));
 967         ok(EscapeCommFunction(hcom, CLRRTS), "EscapeCommFunction failed to clear RTS\n");
 968         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 969         ok (ModemStat ==  defaultStat, "Failed to restore CTS: 0x%04x, expected 0x%04x\n",
 970             ModemStat, defaultStat);
 971     }
 972 }
 973
 974 static void test_LoopbackDtrDcd(HANDLE hcom)
 975 {
 976     DWORD ModemStat = 0, defaultStat = 0;
 977     DCB dcb;
 978
 979     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
 980     if (dcb.fDtrControl == DTR_CONTROL_HANDSHAKE)
 981     {
 982         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
 983         return;
 984     }
 985     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
 986     /* XP returns some values in the low nibble, so mask them out*/
 987     defaultStat &= MS_CTS_ON|MS_DSR_ON|MS_RING_ON|MS_RLSD_ON;
 988     if(defaultStat & MS_RLSD_ON)
 989     {
 990         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
 991         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 992         ok ((ModemStat & MS_RLSD_ON) == 0, "RLSD didn't react: 0x%04x,  expected 0x%04x\n",
 993             ModemStat, (defaultStat & ~MS_RLSD_ON));
 994         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to set DTR\n");
 995         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
 996         ok (ModemStat ==  defaultStat, "Failed to restore RLSD: 0x%04x, expected 0x%04x\n",
 997             ModemStat, defaultStat);
 998     }
 999     else
1000     {
1001         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to set DTR\n");
1002         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1003         ok ((ModemStat & MS_RLSD_ON) == MS_RLSD_ON,
1004             "RLSD didn't react: 0x%04x,  expected 0x%04x\n",
1005             ModemStat, (defaultStat | MS_RLSD_ON));
1006         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
1007         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1008         ok (ModemStat ==  defaultStat, "Failed to restore RLSD: 0x%04x, expected 0x%04x\n",
1009             ModemStat, defaultStat);
1010     }
1011 }
1012
1013 static void test_LoopbackDtrDsr(HANDLE hcom)
1014 {
1015     DWORD ModemStat = 0, defaultStat = 0;
1016     DCB dcb;
1017
1018     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1019     if (dcb.fDtrControl == DTR_CONTROL_DISABLE)
1020     {
1021         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1022         return;
1023     }
1024     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
1025     /* XP returns some values in the low nibble, so mask them out*/
1026     defaultStat &= MS_CTS_ON|MS_DSR_ON|MS_RING_ON|MS_RLSD_ON;
1027     if(defaultStat & MS_DSR_ON)
1028     {
1029         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
1030         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1031         ok ((ModemStat & MS_DSR_ON) == 0, "CTS didn't react: 0x%04x,  expected 0x%04x\n",
1032             ModemStat, (defaultStat & ~MS_DSR_ON));
1033         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to clear DTR\n");
1034         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1035         ok (ModemStat ==  defaultStat, "Failed to restore DSR: 0x%04x, expected 0x%04x\n",
1036             ModemStat, defaultStat);
1037     }
1038     else
1039     {
1040         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to set DTR\n");
1041         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1042         ok ((ModemStat & MS_DSR_ON) == MS_DSR_ON,
1043             "CTS didn't react: 0x%04x,expected 0x%04x\n",
1044             ModemStat, (defaultStat | MS_DSR_ON));
1045         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
1046         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1047         ok (ModemStat ==  defaultStat, "Failed to restore DSR: 0x%04x, expected 0x%04x\n",
1048             ModemStat, defaultStat);
1049     }
1050 }
1051
1052 static void test_LoopbackDtrRing(HANDLE hcom)
1053 {
1054     DWORD ModemStat = 0, defaultStat = 0;
1055     DCB dcb;
1056
1057     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1058     if (dcb.fDtrControl == DTR_CONTROL_HANDSHAKE)
1059     {
1060         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1061         return;
1062     }
1063     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
1064     /* XP returns some values in the low nibble, so mask them out*/
1065     defaultStat &= MS_CTS_ON|MS_DSR_ON|MS_RING_ON|MS_RLSD_ON;
1066     if(defaultStat & MS_RING_ON)
1067     {
1068         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
1069         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1070         ok ((ModemStat & MS_RING_ON) == 0, "RING didn't react: 0x%04x,  expected 0x%04x\n",
1071             ModemStat, (defaultStat & ~MS_RING_ON));
1072         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to set DTR\n");
1073         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1074         ok (ModemStat ==  defaultStat, "Failed to restore RING: 0x%04x, expected 0x%04x\n",
1075             ModemStat, defaultStat);
1076     }
1077     else
1078     {
1079         ok(EscapeCommFunction(hcom, SETDTR), "EscapeCommFunction failed to set DTR\n");
1080         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1081         ok ((ModemStat & MS_RING_ON) == MS_RING_ON,
1082             "RING didn't react: 0x%04x,expected 0x%04x\n",
1083             ModemStat, (defaultStat | MS_RING_ON));
1084         ok(EscapeCommFunction(hcom, CLRDTR), "EscapeCommFunction failed to clear DTR\n");
1085         ok(GetCommModemStatus(hcom, &ModemStat), "GetCommModemStatus failed\n");
1086         ok (ModemStat ==  defaultStat, "Failed to restore RING: 0x%04x, expected 0x%04x\n",
1087             ModemStat, defaultStat);
1088     }
1089 }
1090
1091 /*
1092  * Set up a WaitCommEvent for anything in the receive buffer,
1093  * then write to TX to put a character
1094  * into the RX buffer
1095  * Need Loopback TX->RX
1096 */
1097
1098 static void  test_WaitRx(HANDLE hcom)
1099 {
1100     OVERLAPPED overlapped, overlapped_w;
1101     HANDLE hComPortEvent, hComWriteEvent;
1102     DWORD before, after, after1, diff, success_wait = FALSE, success_write;
1103     DWORD err_wait, err_write, written, evtmask=0;
1104
1105     ok(SetCommMask(hcom, EV_RXCHAR), "SetCommMask failed\n");
1106     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1107     ok(hComPortEvent != 0, "CreateEvent failed\n");
1108     ZeroMemory( &overlapped, sizeof(overlapped));
1109     overlapped.hEvent = hComPortEvent;
1110
1111     ok((hComWriteEvent =  CreateEvent( NULL, TRUE, FALSE, NULL )) !=0,
1112        "CreateEvent res %d\n",
1113        GetLastError());
1114     ZeroMemory( &overlapped_w, sizeof(overlapped_w));
1115     overlapped_w.hEvent = hComWriteEvent;
1116
1117     before = GetTickCount();
1118     {success_wait = WaitCommEvent(hcom, &evtmask, &overlapped);}
1119     err_wait = GetLastError();
1120     after = GetTickCount();
1121     trace("Success 0x%08x err %d evtmask 0x%08x\n", success_wait, err_wait, evtmask);
1122     ok(success_wait || err_wait == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1123     trace("overlapped WriteCommEvent returned.\n");
1124
1125     success_write= WriteFile(hcom, "X", 1, &written, &overlapped_w);
1126     err_write = GetLastError();
1127     ok(success_write || err_write == ERROR_IO_PENDING,
1128        "overlapped WriteFile failed, err %d\n",
1129        err_write);
1130
1131     if (!success_write && (err_write == ERROR_IO_PENDING)) {
1132       success_write = WaitForSingleObjectEx(hComWriteEvent, TIMEOUT, TRUE);
1133       err_write = GetLastError();
1134       ok(success_write == WAIT_OBJECT_0, "WaitForSingleObjectEx, res %d, err %d\n",
1135          success_write, err_write);
1136     }
1137     Sleep(TIMEOUT >>1);
1138     success_write = GetOverlappedResult(hcom, &overlapped_w, &written, FALSE);
1139     err_write = GetLastError();
1140
1141     trace("Write after Wait res 0x%08x err %d\n",success_write, err_write);
1142     ok(success_write && written ==1, "Write after Wait res 0x%08x err %d\n",
1143        success_write, err_write);
1144
1145     if (!success_wait && (err_wait == ERROR_IO_PENDING)) {
1146       success_wait = WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE);
1147       err_wait = GetLastError();
1148       ok(success_wait == WAIT_OBJECT_0, "wait hComPortEvent, res 0x%08x, err %d\n",
1149          success_wait, err_wait);
1150     }
1151     success_wait = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1152     err_wait = GetLastError();
1153     after1 = GetTickCount();
1154     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1155           success_wait, err_wait, evtmask, after-before, after1-before);
1156
1157     ok(evtmask & EV_RXCHAR, "Detect  EV_RXCHAR: 0x%08x, expected 0x%08x\n",
1158        evtmask, EV_RXCHAR);
1159     diff = after1 - before;
1160     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1161         "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1162
1163 }
1164
1165 /* Change the controling line after the given timeout to the given state
1166    By the loopback, this should trigger the WaitCommEvent
1167 */
1168 static DWORD CALLBACK toggle_ctlLine(LPVOID arg)
1169 {
1170     DWORD_PTR *args = arg;
1171     DWORD timeout = args[0];
1172     DWORD ctl     = args[1];
1173     HANDLE hcom   = (HANDLE) args[2];
1174     HANDLE hComPortEvent = (HANDLE) args[3];
1175     DWORD success, err;
1176
1177     trace("toggle_ctlLine timeout %d ctl 0x%08x handle %p\n", timeout, ctl, hcom );
1178     Sleep(timeout);
1179     ok(EscapeCommFunction(hcom, ctl),"EscapeCommFunction 0x%08x failed\n", ctl);
1180     trace("toggle_ctline done\n");
1181     success = WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE);
1182     err = GetLastError();
1183     trace("toggle_ctline WaitForSingleObjectEx res 0x%08x err %d\n",
1184           success, err);
1185     return 0;
1186 }
1187
1188 /*
1189  * Wait for a change in CTS
1190  * Needs Loopback from DTR to CTS
1191  */
1192 static void  test_WaitCts(HANDLE hcom)
1193 {
1194     DCB dcb;
1195     OVERLAPPED overlapped;
1196     HANDLE hComPortEvent;
1197     HANDLE alarmThread;
1198     DWORD_PTR args[4];
1199     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0, defaultStat = 0;
1200
1201     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1202     dcb.fRtsControl=RTS_CONTROL_ENABLE;
1203     dcb.fDtrControl=DTR_CONTROL_ENABLE;
1204     ok(SetCommState(hcom, &dcb), "SetCommState failed\n");
1205     if (dcb.fDtrControl == RTS_CONTROL_DISABLE)
1206     {
1207         trace("RTS_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1208         return;
1209     }
1210     args[0]= TIMEOUT >>1;
1211     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
1212     if(defaultStat & MS_CTS_ON)
1213         args[1] = CLRRTS;
1214     else
1215         args[1] = SETRTS;
1216     args[2]=(DWORD_PTR)hcom;
1217
1218     trace("test_WaitCts timeout %ld clt 0x%08lx handle %p\n",args[0], args[1], hcom);
1219
1220     ok(SetCommMask(hcom, EV_CTS), "SetCommMask failed\n");
1221     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1222     ok(hComPortEvent != 0, "CreateEvent failed\n");
1223     args[3] = (DWORD_PTR)hComPortEvent;
1224     alarmThread = CreateThread(NULL, 0, toggle_ctlLine, args, 0, &alarmThreadId);
1225     /* Wait a minimum to let the thread start up */
1226     Sleep(10);
1227     trace("Thread created\n");
1228     ok(alarmThread !=0 , "CreateThread Failed\n");
1229
1230     ZeroMemory( &overlapped, sizeof(overlapped));
1231     overlapped.hEvent = hComPortEvent;
1232     before = GetTickCount();
1233     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1234     err = GetLastError();
1235     after = GetTickCount();
1236
1237     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1238     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1239     trace("overlapped WriteCommEvent returned.\n");
1240     if (!success && (err == ERROR_IO_PENDING))
1241         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1242                      "WaitCts hComPortEvent failed\n");
1243     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1244     err = GetLastError();
1245     after1 = GetTickCount();
1246     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1247           success, err, evtmask, after-before, after1-before);
1248
1249     ok(evtmask & EV_CTS, "Failed to detect  EV_CTS: 0x%08x, expected 0x%08x\n",
1250                  evtmask, EV_CTS);
1251     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1252     if(defaultStat & MS_CTS_ON)
1253         ok((evtmask & MS_CTS_ON) == 0,"CTS didn't change state!\n");
1254     else
1255         ok((evtmask & MS_CTS_ON), "CTS didn't change state!\n");
1256
1257     diff = after1 - before;
1258     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1259                   "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1260
1261     /*restore RTS Settings*/
1262     if(defaultStat & MS_CTS_ON)
1263         args[1] = SETRTS;
1264     else
1265         args[1] = CLRRTS;
1266 }
1267
1268 /* Change the  Comm Mask while a Wait is going on
1269    WaitCommevent should return with a EVTMASK set to zero
1270 */
1271 static DWORD CALLBACK reset_CommMask(LPVOID arg)
1272 {
1273     DWORD_PTR *args = arg;
1274     DWORD timeout = args[0];
1275     HANDLE hcom   = (HANDLE) args[1];
1276
1277     trace(" Changing CommMask on the fly for handle %p after timeout %d\n",
1278           hcom, timeout);
1279     Sleep(timeout);
1280     ok(SetCommMask(hcom, 0),"SetCommMask %p failed\n", hcom);
1281     trace("SetCommMask changed\n");
1282     return 0;
1283 }
1284
1285 /* Set up a Wait for a change on CTS. We don't toggle any line, but we
1286    reset the CommMask and expect the wait to return with a mask of 0
1287    No special port connections needed
1288 */
1289 static void  test_AbortWaitCts(HANDLE hcom)
1290 {
1291     DCB dcb;
1292     OVERLAPPED overlapped;
1293     HANDLE hComPortEvent;
1294     HANDLE alarmThread;
1295     DWORD_PTR args[2];
1296     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0;
1297
1298     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1299     if (dcb.fDtrControl == RTS_CONTROL_DISABLE)
1300     {
1301         trace("RTS_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1302         return;
1303     }
1304     args[0]= TIMEOUT >>1;
1305     args[1]= (DWORD_PTR)hcom;
1306
1307     trace("test_AbortWaitCts timeout %ld handle %p\n",args[0], hcom);
1308
1309     ok(SetCommMask(hcom, EV_CTS), "SetCommMask failed\n");
1310     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1311     ok(hComPortEvent != 0, "CreateEvent failed\n");
1312     alarmThread = CreateThread(NULL, 0, reset_CommMask, args, 0, &alarmThreadId);
1313     /* Wait a minimum to let the thread start up */
1314     Sleep(10);
1315     trace("Thread created\n");
1316     ok(alarmThread !=0 , "CreateThread Failed\n");
1317
1318     ZeroMemory( &overlapped, sizeof(overlapped));
1319     overlapped.hEvent = hComPortEvent;
1320     before = GetTickCount();
1321     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1322     err = GetLastError();
1323     after = GetTickCount();
1324
1325     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1326     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1327     trace("overlapped WriteCommEvent returned.\n");
1328     if (!success && (err == ERROR_IO_PENDING))
1329         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1330                      "AbortWaitCts hComPortEvent failed\n");
1331     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1332     err = GetLastError();
1333     after1 = GetTickCount();
1334     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1335           success, err, evtmask, after-before, after1-before);
1336
1337     ok(evtmask == 0, "Incorect EventMask 0x%08x returned on Wait aborted bu SetCommMask, expected 0x%08x\n",
1338                  evtmask, 0);
1339     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1340     diff = after1 - before;
1341     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1342                   "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1343
1344 }
1345
1346 /*
1347  * Wait for a change in DSR
1348  * Needs Loopback from DTR to DSR
1349  */
1350 static void  test_WaitDsr(HANDLE hcom)
1351 {
1352     DCB dcb;
1353     OVERLAPPED overlapped;
1354     HANDLE hComPortEvent;
1355     HANDLE alarmThread;
1356     DWORD_PTR args[3];
1357     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0, defaultStat = 0;
1358
1359     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1360     if (dcb.fDtrControl == DTR_CONTROL_DISABLE)
1361     {
1362         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1363         return;
1364     }
1365     args[0]= TIMEOUT >>1;
1366     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
1367     if(defaultStat & MS_DSR_ON)
1368         args[1] = CLRDTR;
1369     else
1370         args[1] = SETDTR;
1371     args[2]= (DWORD_PTR)hcom;
1372
1373     trace("test_WaitDsr timeout %ld clt 0x%08lx handle %p\n",args[0], args[1], hcom);
1374
1375     ok(SetCommMask(hcom, EV_DSR), "SetCommMask failed\n");
1376     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1377     ok(hComPortEvent != 0, "CreateEvent failed\n");
1378     alarmThread = CreateThread(NULL, 0, toggle_ctlLine, args, 0, &alarmThreadId);
1379     ok(alarmThread !=0 , "CreateThread Failed\n");
1380
1381     ZeroMemory( &overlapped, sizeof(overlapped));
1382     overlapped.hEvent = hComPortEvent;
1383     before = GetTickCount();
1384     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1385     err = GetLastError();
1386     after = GetTickCount();
1387
1388     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1389     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1390     trace("overlapped WriteCommEvent returned.\n");
1391     if (!success && (err == ERROR_IO_PENDING))
1392         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1393                      "wait hComPortEvent failed\n");
1394     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1395     err = GetLastError();
1396     after1 = GetTickCount();
1397     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1398           success, err, evtmask, after-before, after1-before);
1399
1400     ok(evtmask & EV_DSR, "Failed to detect  EV_DSR: 0x%08x, expected 0x%08x\n",
1401                  evtmask, EV_DSR);
1402     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1403     if(defaultStat & MS_DSR_ON)
1404         ok((evtmask & MS_DSR_ON) == 0,"DTR didn't change state!\n");
1405     else
1406         ok((evtmask & MS_DSR_ON), "DTR didn't change state!\n");
1407
1408     diff = after1 - before;
1409     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1410                   "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1411
1412     /*restore RTS Settings*/
1413     if(defaultStat & MS_DSR_ON)
1414         args[1] = SETDTR;
1415     else
1416         args[1] = CLRDTR;
1417 }
1418
1419 /*
1420  * Wait for a Ring
1421  * Needs Loopback from DTR to RING
1422  */
1423 static void  test_WaitRing(HANDLE hcom)
1424 {
1425     DCB dcb;
1426     OVERLAPPED overlapped;
1427     HANDLE hComPortEvent;
1428     HANDLE alarmThread;
1429     DWORD_PTR args[3];
1430     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0, defaultStat;
1431     BOOL ret;
1432
1433     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1434     if (dcb.fDtrControl == DTR_CONTROL_DISABLE)
1435     {
1436         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1437         return;
1438     }
1439     args[0]= TIMEOUT >>1;
1440     ok((ret = GetCommModemStatus(hcom, &defaultStat)), "GetCommModemStatus failed\n");
1441     if (!ret) {
1442         skip("modem status failed -> skip.\n");
1443         return;
1444     }
1445     if(defaultStat & MS_RING_ON)
1446         args[1] = CLRDTR;
1447     else
1448         args[1] = SETDTR;
1449     args[2]=(DWORD_PTR) hcom;
1450
1451     trace("test_WaitRing timeout %ld clt 0x%08lx handle %p\n",args[0], args[1], hcom);
1452
1453     ok(SetCommMask(hcom, EV_RING), "SetCommMask failed\n");
1454     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1455     ok(hComPortEvent != 0, "CreateEvent failed\n");
1456     alarmThread = CreateThread(NULL, 0, toggle_ctlLine, args, 0, &alarmThreadId);
1457     ok(alarmThread !=0 , "CreateThread Failed\n");
1458
1459     ZeroMemory( &overlapped, sizeof(overlapped));
1460     overlapped.hEvent = hComPortEvent;
1461     before = GetTickCount();
1462     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1463     err = GetLastError();
1464     after = GetTickCount();
1465
1466     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1467     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1468     trace("overlapped WriteCommEvent returned.\n");
1469     if (!success && (err == ERROR_IO_PENDING))
1470         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1471                      "wait hComPortEvent failed\n");
1472     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1473     err = GetLastError();
1474     after1 = GetTickCount();
1475     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1476           success, err, evtmask, after-before, after1-before);
1477
1478     ok(evtmask & EV_RING, "Failed to detect  EV_RING: 0x%08x, expected 0x%08x\n",
1479        evtmask, EV_CTS);
1480     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1481     if(defaultStat & MS_RING_ON)
1482         ok((evtmask & MS_RING_ON) == 0,"DTR didn't change state!\n");
1483     else
1484         ok((evtmask & MS_RING_ON), "DTR didn't change state!\n");
1485
1486     diff = after1 - before;
1487     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1488                   "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1489
1490     /*restore RTS Settings*/
1491     if(defaultStat & MS_RING_ON)
1492         args[1] = SETDTR;
1493     else
1494         args[1] = CLRDTR;
1495 }
1496 /*
1497  * Wait for a change in DCD
1498  * Needs Loopback from DTR to DCD
1499  */
1500 static void  test_WaitDcd(HANDLE hcom)
1501 {
1502     DCB dcb;
1503     OVERLAPPED overlapped;
1504     HANDLE hComPortEvent;
1505     HANDLE alarmThread;
1506     DWORD_PTR args[3];
1507     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0, defaultStat = 0;
1508
1509     ok(GetCommState(hcom, &dcb), "GetCommState failed\n");
1510     if (dcb.fDtrControl == DTR_CONTROL_DISABLE)
1511     {
1512         trace("DTR_CONTROL_HANDSHAKE is set, so don't manipulate DTR\n");
1513         return;
1514     }
1515     args[0]= TIMEOUT >>1;
1516     ok(GetCommModemStatus(hcom, &defaultStat), "GetCommModemStatus failed\n");
1517     if(defaultStat & MS_RLSD_ON)
1518         args[1] = CLRDTR;
1519     else
1520         args[1] = SETDTR;
1521     args[2]= (DWORD_PTR)hcom;
1522
1523     trace("test_WaitDcd timeout %ld clt 0x%08lx handle %p\n",args[0], args[1], hcom);
1524
1525     ok(SetCommMask(hcom, EV_RLSD), "SetCommMask failed\n");
1526     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1527     ok(hComPortEvent != 0, "CreateEvent failed\n");
1528     alarmThread = CreateThread(NULL, 0, toggle_ctlLine, args, 0, &alarmThreadId);
1529     ok(alarmThread !=0 , "CreateThread Failed\n");
1530
1531     ZeroMemory( &overlapped, sizeof(overlapped));
1532     overlapped.hEvent = hComPortEvent;
1533     before = GetTickCount();
1534     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1535     err = GetLastError();
1536     after = GetTickCount();
1537
1538     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1539     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1540     trace("overlapped WriteCommEvent returned.\n");
1541     if (!success && (err == ERROR_IO_PENDING))
1542         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1543                      "wait hComPortEvent failed\n");
1544     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1545     err = GetLastError();
1546     after1 = GetTickCount();
1547     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1548           success, err, evtmask, after-before, after1-before);
1549
1550     ok(evtmask & EV_RLSD, "Failed to detect  EV_RLSD: 0x%08x, expected 0x%08x\n",
1551                  evtmask, EV_CTS);
1552     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1553     if(defaultStat & MS_RLSD_ON)
1554         ok((evtmask & MS_RLSD_ON) == 0,"DTR didn't change state!\n");
1555     else
1556         ok((evtmask & MS_RLSD_ON), "DTR didn't change state!\n");
1557
1558     diff = after1 - before;
1559     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1560                   "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1561
1562     /*restore RTS Settings*/
1563     if(defaultStat & MS_RLSD_ON)
1564         args[1] = SETDTR;
1565     else
1566         args[1] = CLRDTR;
1567 }
1568
1569 /*
1570    Set Break after timeout
1571 */
1572 static DWORD CALLBACK set_CommBreak(LPVOID arg)
1573 {
1574     DWORD_PTR *args = arg;
1575     DWORD timeout = args[0];
1576     HANDLE hcom   = (HANDLE) args[1];
1577
1578     trace("SetCommBreak for handle %p after timeout %d\n",
1579           hcom, timeout);
1580     Sleep(timeout);
1581     ok(SetCommBreak(hcom),"SetCommBreak %p failed\n", hcom);
1582     trace("SetCommBreak done\n");
1583     return 0;
1584 }
1585
1586 /*
1587    Wait for the Break condition (TX resp. RX active)
1588    Needs Loopback TX-RX
1589 */
1590 static void  test_WaitBreak(HANDLE hcom)
1591 {
1592     OVERLAPPED overlapped;
1593     HANDLE hComPortEvent;
1594     HANDLE alarmThread;
1595     DWORD_PTR args[2];
1596     DWORD alarmThreadId, before, after, after1, diff, success, err, written, evtmask=0;
1597
1598     ok(SetCommMask(hcom, EV_BREAK), "SetCommMask failed\n");
1599     hComPortEvent =  CreateEvent( NULL, TRUE, FALSE, NULL );
1600     ok(hComPortEvent != 0, "CreateEvent failed\n");
1601
1602     trace("test_WaitBreak\n");
1603     args[0]= TIMEOUT >>1;
1604     args[1]= (DWORD_PTR)hcom;
1605     alarmThread = CreateThread(NULL, 0, set_CommBreak, args, 0, &alarmThreadId);
1606     /* Wait a minimum to let the thread start up */
1607     Sleep(10);
1608     trace("Thread created\n");
1609     ok(alarmThread !=0 , "CreateThread Failed\n");
1610
1611     ZeroMemory( &overlapped, sizeof(overlapped));
1612     overlapped.hEvent = hComPortEvent;
1613     before = GetTickCount();
1614     success = WaitCommEvent(hcom, &evtmask, &overlapped);
1615     err = GetLastError();
1616     after = GetTickCount();
1617
1618     trace("Success 0x%08x err %d evtmask 0x%08x\n", success, err, evtmask);
1619     ok(success || err == ERROR_IO_PENDING, "overlapped WaitCommEvent failed\n");
1620     trace("overlapped WriteCommEvent returned.\n");
1621
1622     if (!success && (err == ERROR_IO_PENDING))
1623         ok(WaitForSingleObjectEx(hComPortEvent, TIMEOUT, TRUE) == 0,
1624            "wait hComPortEvent res %d\n", GetLastError());
1625     success = GetOverlappedResult(hcom, &overlapped, &written, FALSE);
1626     err = GetLastError();
1627     after1 = GetTickCount();
1628     trace("Success 0x%08x err %d evtmask 0x%08x diff1 %d, diff2 %d\n",
1629           success, err, evtmask, after-before, after1-before);
1630
1631     ok(evtmask & EV_BREAK, "Failed to detect  EV_BREAK: 0x%08x, expected 0x%08x\n",
1632        evtmask, EV_BREAK);
1633     ok(GetCommModemStatus(hcom, &evtmask), "GetCommModemStatus failed\n");
1634
1635     diff = after1 - before;
1636     ok ((diff > (TIMEOUT>>1) -TIMEDELTA) && (diff < (TIMEOUT>>1) + TIMEDELTA),
1637         "Unexpected time %d, expected around %d\n", diff, TIMEOUT>>1);
1638
1639     ok(ClearCommBreak(hcom), "ClearCommBreak failed\n");
1640 }
1641
1642 START_TEST(comm)
1643 {
1644     HANDLE hcom;
1645     /* use variables and not #define to compile the code */
1646     BOOL loopback_txd_rxd  = LOOPBACK_TXD_RXD;
1647     BOOL loopback_rts_cts  = LOOPBACK_CTS_RTS;
1648     BOOL loopback_dtr_dsr  = LOOPBACK_DTR_DSR;
1649     BOOL loopback_dtr_ring = LOOPBACK_DTR_RING;
1650     BOOL loopback_dtr_dcd  = LOOPBACK_DTR_DCD;
1651
1652     test_BuildCommDCB();
1653     hcom = test_OpenComm(FALSE);
1654     if (hcom != INVALID_HANDLE_VALUE)
1655     {
1656         test_GetModemStatus(hcom);
1657         test_ReadTimeOut(hcom);
1658         test_waittxempty(hcom);
1659         CloseHandle(hcom);
1660     }
1661     hcom = test_OpenComm(FALSE);
1662     if (hcom != INVALID_HANDLE_VALUE)
1663     {
1664         Sleep(200); /* Give the laster character of test_waittxempty to drop into the receiver */
1665         test_ClearCommErrors(hcom);
1666         CloseHandle(hcom);
1667     }
1668     hcom = test_OpenComm(FALSE);
1669     if (hcom != INVALID_HANDLE_VALUE)
1670     {
1671         test_non_pending_errors(hcom);
1672         CloseHandle(hcom);
1673     }
1674     if((loopback_txd_rxd) && ((hcom = test_OpenComm(FALSE))!=INVALID_HANDLE_VALUE))
1675     {
1676         test_LoopbackRead(hcom);
1677         CloseHandle(hcom);
1678     }
1679     if((loopback_rts_cts) && ((hcom = test_OpenComm(FALSE))!=INVALID_HANDLE_VALUE))
1680     {
1681         test_LoopbackCtsRts(hcom);
1682         CloseHandle(hcom);
1683     }
1684     if((loopback_dtr_dsr) && ((hcom = test_OpenComm(FALSE))!=INVALID_HANDLE_VALUE))
1685     {
1686         test_LoopbackDtrDsr(hcom);
1687         CloseHandle(hcom);
1688     }
1689     if((loopback_dtr_ring) && ((hcom = test_OpenComm(FALSE))!=INVALID_HANDLE_VALUE))
1690     {
1691         test_LoopbackDtrRing(hcom);
1692         CloseHandle(hcom);
1693     }
1694     if((loopback_dtr_dcd) && ((hcom = test_OpenComm(FALSE))!=INVALID_HANDLE_VALUE))
1695     {
1696         test_LoopbackDtrDcd(hcom);
1697         CloseHandle(hcom);
1698     }
1699     if((loopback_txd_rxd) && ((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE))
1700     {
1701         test_WaitRx(hcom);
1702         CloseHandle(hcom);
1703     }
1704     if((loopback_rts_cts) && ((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE))
1705     {
1706         test_WaitCts(hcom);
1707         CloseHandle(hcom);
1708     }
1709     if((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE)
1710     {
1711         test_AbortWaitCts(hcom);
1712         CloseHandle(hcom);
1713     }
1714     if((loopback_dtr_dsr) && ((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE))
1715     {
1716         test_WaitDsr(hcom);
1717         CloseHandle(hcom);
1718     }
1719     if((loopback_dtr_ring) && ((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE))
1720     {
1721         test_WaitRing(hcom);
1722         CloseHandle(hcom);
1723     }
1724     if((loopback_dtr_dcd) && ((hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE))
1725     {
1726         test_WaitDcd(hcom);
1727         CloseHandle(hcom);
1728     }
1729     if(loopback_txd_rxd && (hcom = test_OpenComm(TRUE))!=INVALID_HANDLE_VALUE)
1730     {
1731         test_WaitBreak(hcom);
1732         CloseHandle(hcom);
1733     }
1734 }