FreeRDP/winpr/libwinpr/comm/test/TestGetCommState.c

130 lines
3.2 KiB
C

/**
* WinPR: Windows Portable Runtime
* Serial Communication API
*
* Copyright 2014 Hewlett-Packard Development Company, L.P.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <winpr/comm.h>
#include <winpr/crt.h>
#include "../comm.h"
static BOOL test_generic(HANDLE hComm)
{
DCB dcb, *pDcb;
BOOL result;
ZeroMemory(&dcb, sizeof(DCB));
result = GetCommState(hComm, &dcb);
if (result)
{
printf("GetCommState failure, should have returned false because dcb.DCBlength has been let uninitialized\n");
return FALSE;
}
ZeroMemory(&dcb, sizeof(DCB));
dcb.DCBlength = sizeof(DCB) / 2; /* improper value */
result = GetCommState(hComm, &dcb);
if (result)
{
printf("GetCommState failure, should have return false because dcb.DCBlength was not correctly initialized\n");
return FALSE;
}
ZeroMemory(&dcb, sizeof(DCB));
dcb.DCBlength = sizeof(DCB);
result = GetCommState(hComm, &dcb);
if (!result)
{
printf("GetCommState failure: Ox%x, with adjusted DCBlength\n", GetLastError());
return FALSE;
}
pDcb = (DCB*)calloc(1, sizeof(DCB) * 2);
pDcb->DCBlength = sizeof(DCB) * 2;
result = GetCommState(hComm, pDcb);
result = result && (pDcb->DCBlength == sizeof(DCB) * 2);
free(pDcb);
if (!result)
{
printf("GetCommState failure: 0x%x, with bigger DCBlength\n", GetLastError());
return FALSE;
}
return TRUE;
}
int TestGetCommState(int argc, char* argv[])
{
BOOL result;
HANDLE hComm;
// TMP: FIXME: check if we can proceed with tests on the actual device, skip and warn otherwise but don't fail
result = DefineCommDevice("COM1", "/dev/ttyS0");
if (!result)
{
printf("DefineCommDevice failure: 0x%x\n", GetLastError());
return EXIT_FAILURE;
}
hComm = CreateFile("COM1",
GENERIC_READ | GENERIC_WRITE,
0, NULL, OPEN_EXISTING, 0, NULL);
if (hComm == INVALID_HANDLE_VALUE)
{
printf("CreateFileA failure: 0x%x\n", GetLastError());
return EXIT_FAILURE;
}
if (!test_generic(hComm))
{
printf("test_generic failure (RemoteSerialDriverUnknown)\n");
return EXIT_FAILURE;
}
_comm_setRemoteSerialDriver(hComm, RemoteSerialDriverSerialSys);
if (!test_generic(hComm))
{
printf("test_generic failure (RemoteSerialDriverSerialSys)\n");
return EXIT_FAILURE;
}
_comm_setRemoteSerialDriver(hComm, RemoteSerialDriverSerCxSys);
if (!test_generic(hComm))
{
printf("test_generic failure (RemoteSerialDriverSerCxSys)\n");
return EXIT_FAILURE;
}
_comm_setRemoteSerialDriver(hComm, RemoteSerialDriverSerCx2Sys);
if (!test_generic(hComm))
{
printf("test_generic failure (RemoteSerialDriverSerCx2Sys)\n");
return EXIT_FAILURE;
}
if (!CloseHandle(hComm))
{
fprintf(stderr, "CloseHandle failure, GetLastError()=%0.8x\n", GetLastError());
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}