1 files changed, 148 insertions, 0 deletions
diff --git a/winpr/libwinpr/comm/test/TestCommConfig.c b/winpr/libwinpr/comm/test/TestCommConfig.c
new file mode 100644
index 0000000..c405f14
--- /dev/null
+++ b/winpr/libwinpr/comm/test/TestCommConfig.c
@@ -0,0 +1,148 @@
+/**
+ * WinPR: Windows Portable Runtime
+ * Serial Communication API
+ *
+ * Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
+ * 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 <sys/stat.h>
+
+#include <winpr/crt.h>
+#include <winpr/comm.h>
+#include <winpr/file.h>
+#include <winpr/synch.h>
+#include <winpr/handle.h>
+
+int TestCommConfig(int argc, char* argv[])
+{
+	DCB dcb = { 0 };
+	HANDLE hComm;
+	BOOL success;
+	LPCSTR lpFileName = "\\\\.\\COM1";
+	COMMPROP commProp = { 0 };
+	struct stat statbuf = { 0 };
+
+	hComm = CreateFileA(lpFileName, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
+
+	if (hComm && (hComm != INVALID_HANDLE_VALUE))
+	{
+		fprintf(stderr,
+		        "CreateFileA failure: could create a handle on a not yet defined device: %s\n",
+		        lpFileName);
+		return EXIT_FAILURE;
+	}
+
+	if (stat("/dev/ttyS0", &statbuf) < 0)
+	{
+		fprintf(stderr, "/dev/ttyS0 not available, making the test to succeed though\n");
+		return EXIT_SUCCESS;
+	}
+
+	success = DefineCommDevice(lpFileName, "/dev/ttyS0");
+	if (!success)
+	{
+		fprintf(stderr, "DefineCommDevice failure: %s\n", lpFileName);
+		return EXIT_FAILURE;
+	}
+
+	hComm = CreateFileA(lpFileName, GENERIC_READ | GENERIC_WRITE,
+	                    FILE_SHARE_WRITE, /* invalid parmaeter */
+	                    NULL, CREATE_NEW, /* invalid parameter */
+	                    0, (HANDLE)1234); /* invalid parmaeter */
+	if (hComm != INVALID_HANDLE_VALUE)
+	{
+		fprintf(stderr,
+		        "CreateFileA failure: could create a handle with some invalid parameters %s\n",
+		        lpFileName);
+		return EXIT_FAILURE;
+	}
+
+	hComm = CreateFileA(lpFileName, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
+
+	if (!hComm || (hComm == INVALID_HANDLE_VALUE))
+	{
+		fprintf(stderr, "CreateFileA failure: %s GetLastError() = 0x%08x\n", lpFileName,
+		        GetLastError());
+		return EXIT_FAILURE;
+	}
+
+	/* TODO: a second call to CreateFileA should failed and
+	 * GetLastError should return ERROR_SHARING_VIOLATION */
+
+	dcb.DCBlength = sizeof(DCB);
+	success = GetCommState(hComm, &dcb);
+	if (!success)
+	{
+		fprintf(stderr, "GetCommState failure: GetLastError() = Ox%x\n", GetLastError());
+		return EXIT_FAILURE;
+	}
+
+	fprintf(stderr,
+	        "BaudRate: %" PRIu32 " ByteSize: %" PRIu8 " Parity: %" PRIu8 " StopBits: %" PRIu8 "\n",
+	        dcb.BaudRate, dcb.ByteSize, dcb.Parity, dcb.StopBits);
+
+	if (!GetCommProperties(hComm, &commProp))
+	{
+		fprintf(stderr, "GetCommProperties failure: GetLastError(): 0x%08x\n", GetLastError());
+		return EXIT_FAILURE;
+	}
+
+	if ((commProp.dwSettableBaud & BAUD_57600) <= 0)
+	{
+		fprintf(stderr, "BAUD_57600 unsupported!\n");
+		return EXIT_FAILURE;
+	}
+
+	if ((commProp.dwSettableBaud & BAUD_14400) > 0)
+	{
+		fprintf(stderr, "BAUD_14400 supported!\n");
+		return EXIT_FAILURE;
+	}
+
+	dcb.BaudRate = CBR_57600;
+	dcb.ByteSize = 8;
+	dcb.Parity = NOPARITY;
+	dcb.StopBits = ONESTOPBIT;
+
+	success = SetCommState(hComm, &dcb);
+
+	if (!success)
+	{
+		fprintf(stderr, "SetCommState failure: GetLastError() = 0x%x\n", GetLastError());
+		return EXIT_FAILURE;
+	}
+
+	success = GetCommState(hComm, &dcb);
+
+	if (!success)
+	{
+		fprintf(stderr, "GetCommState failure: GetLastError() = 0x%x\n", GetLastError());
+		return 0;
+	}
+
+	if ((dcb.BaudRate != CBR_57600) || (dcb.ByteSize != 8) || (dcb.Parity != NOPARITY) ||
+	    (dcb.StopBits != ONESTOPBIT))
+	{
+		fprintf(stderr,
+		        "Got an unexpeted value among: BaudRate: %" PRIu32 " ByteSize: %" PRIu8
+		        " Parity: %" PRIu8 " StopBits: %" PRIu8 "\n",
+		        dcb.BaudRate, dcb.ByteSize, dcb.Parity, dcb.StopBits);
+	}
+
+	CloseHandle(hComm);
+
+	return 0;
+}