diff -r 000000000000 -r bde4ae8d615e os/kernelhwsrv/kerneltest/e32test/device/t_comm.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/kernelhwsrv/kerneltest/e32test/device/t_comm.cpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,229 @@
+// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// e32test\device\t_comm.cpp
+// 
+//
+
+#include <e32base.h>
+#include <e32base_private.h>
+#include <e32test.h>
+#include <e32svr.h>
+#include <d32comm.h>
+#include <e32uid.h>
+
+LOCAL_D RTest test(_L("T_COMM"));
+
+const TInt KUnit0=0;
+const char* KLongString="1 3456789012345678\n\r2 3456789012345678\n\r3 3456789012345678\n\r4 3456789012345678\n\r5 3456789012345678\n\r6 3456789012345678\n\r7 3456789012345678\n\r8 3456789012345678\n\r9 3456789012345678\n\r0 3456789012345678\n\r";
+
+class RComm : public RBusDevComm
+	{
+public:
+	TInt WriteS(const TDesC8& aDes);
+	TInt WriteS(const TDesC8& aDes,TInt aLength);
+	};
+
+
+LOCAL_C void testRDevice(const RBusDevComm& aDev,const TFindLogicalDevice& aFind)
+//
+// Test the RDevice class
+//
+	{
+
+	test.Start(_L("Testing RDevice with find handle"));
+	RDevice d;
+	TInt r=d.Open(aFind);
+	test(r==KErrNone);
+	d.Close();
+//
+	test.Next(_L("Testing RDevice open by name"));
+	r=d.Open(_L("Comm"));
+	test(r==KErrNone);
+//
+	test.Next(_L("Query version supported"));
+	TBool b=d.QueryVersionSupported(aDev.VersionRequired());
+	test(b);
+//
+	test.Next(_L("Query is available"));
+	b=d.IsAvailable(KDefaultUnit,NULL,NULL);
+	test(b);
+//
+	test.Next(_L("Query device capabilities"));
+	TPckgBuf<TCapsDevCommV01> c;
+	d.GetCaps(c);
+ 	TVersionName aName = c().version.Name();
+ 	test.Printf(_L("  Version = %S\n"),&aName);
+//
+	d.Close();
+	test.End();
+	}
+
+TInt RComm::WriteS(const TDesC8& aDes)
+//
+// Synchronous write
+//
+	{
+
+	return(WriteS(aDes,aDes.Length()));
+	}
+
+TInt RComm::WriteS(const TDesC8& aDes,TInt aLength)
+//
+// Synchronous write
+//
+	{
+
+	TRequestStatus s;
+	Write(s,aDes,aLength);
+	User::WaitForRequest(s);
+	return(s.Int());
+	}
+
+LOCAL_C void testComm()
+//
+// Test the comms device driver
+//
+	{
+
+	test.Start(_L("Testing comm device"));
+//
+	RComm com;
+	TInt r=com.Open(KUnit0);
+	test(r==KErrNone);
+//
+	test.Next(_L("Set config to 9600,8,N,1"));
+	TCommConfig cBuf;
+	TCommConfigV01& c=cBuf();
+	c.iRate=EBps9600;
+	c.iDataBits=EData8;
+	c.iStopBits=EStop1;
+	c.iParity=EParityNone;
+	c.iHandshake=KConfigObeyXoff|KConfigSendXoff;
+	c.iParityError=KConfigParityErrorFail;
+	c.iTerminatorCount=0;
+	c.iXonChar=0x11; // XON
+	c.iXonChar=0x13; // XOFF
+	c.iSpecialRate=0;
+	c.iParityErrorChar=0;
+	r=com.SetConfig(cBuf);
+	test(r==KErrNone);
+//
+	test.Next(_L("Write hello world"));
+	com.WriteS(_L8("\r\nHello world\r\n"));
+	test.Next(_L("Write long string"));
+	com.WriteS(_L8(KLongString));
+//
+	test.Next(_L("Set config to 4800,7,N,1"));
+	c.iRate=EBps4800;
+	c.iDataBits=EData7;
+	c.iStopBits=EStop1;
+	c.iParity=EParityNone;
+	c.iHandshake=KConfigObeyXoff|KConfigSendXoff;
+	c.iParityError=KConfigParityErrorFail;
+	c.iTerminatorCount=0;
+	c.iXonChar=0x11; // XON
+	c.iXonChar=0x13; // XOFF
+	c.iSpecialRate=0;
+	c.iParityErrorChar=0;
+	r=com.SetConfig(cBuf);
+	test(r==KErrNone);
+
+	test.Next(_L("Close comm device"));
+	com.Close();
+//
+	test.End();
+	}
+
+GLDEF_C TInt E32Main()
+//
+// Test the various kernel types.
+//
+    {
+
+	test.Title();
+//
+	test.Start(_L("Load PDD"));
+	TInt r=User::LoadPhysicalDevice(_L("ECDRV"));
+	test(r==KErrNone);
+//
+	test.Next(_L("Load LDD"));
+	r=User::LoadLogicalDevice(_L("ECOMM"));
+	test(r==KErrNone);
+//
+	test.Next(_L("Find libs"));
+	TFindLibrary fL;
+	TFullName n;
+	while (fL.Next(n)==KErrNone)
+		test.Printf(_L("  %S\n"),&n);
+//
+	test.Next(_L("Find devices"));
+	TFindLogicalDevice fD;
+	while (fD.Next(n)==KErrNone)
+		test.Printf(_L("  %S\n"),&n);
+//
+	RBusDevComm com;
+	fD.Find(_L("Comm"));
+	r=fD.Next(n);
+	test(r==KErrNone);
+	testRDevice(com,fD);
+//
+	test.Next(_L("Open device"));
+	r=com.Open(KUnit0);
+	test(r==KErrNone);
+//
+//
+	test.Next(_L("Free device/In use"));
+	r=User::FreeLogicalDevice(_L("Comm"));
+	test(r==KErrInUse);
+//
+	test.Next(_L("Close device"));
+	com.Close();
+//
+//
+	test.Next(_L("Testing comms device"));
+	testComm();
+//
+	TFindPhysicalDevice fDr;
+ 	test.Next(_L("Free driver/Ok"));
+	TFullName drivName;
+	fDr.Find(_L("Comm.*"));
+	r=fDr.Next(drivName);
+	test(r==KErrNone);
+	r=User::FreePhysicalDevice(drivName);
+	test(r==KErrNone);
+//
+	test.Next(_L("Free device/Ok"));
+	r=User::FreeLogicalDevice(_L("Comm"));
+	test(r==KErrNone);
+//
+	test.Next(_L("Find libs none"));
+	fL.Find(_L("*.*"));
+	while (fL.Next(n)==KErrNone)
+		test.Printf(_L("  %S\n"),&n);
+//
+	test.Next(_L("Find devices none"));
+	fD.Find(_L("*.*"));
+	while (fD.Next(n)==KErrNone)
+		test.Printf(_L("  %S\n"),&n);
+//
+	test.Next(_L("Find drivers none"));
+	while (fDr.Next(n)==KErrNone)
+		test.Printf(_L("  %S\n"),&n);
+
+	test.End();
+
+	return(0);
+    }
+
+