diff -r 000000000000 -r ba25891c3a9e installationservices/swi/test/tpathsubst/setsubst.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/installationservices/swi/test/tpathsubst/setsubst.cpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,83 @@
+/*
+* Copyright (c) 2005-2009 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: 
+*
+*/
+
+
+/**
+ @file
+*/
+
+
+#include <e32test.h>
+#include <f32file.h>
+
+static RTest test(_L("setsubst"));
+
+GLDEF_C TInt E32Main()
+/**
+	setsubst drive-letter: subst-path
+ */
+    {
+	CTrapCleanup* cleanup = CTrapCleanup::New();
+	test(cleanup != 0);
+	
+	__UHEAP_MARK;
+
+	test.Title();
+	test.Start(_L(" @SYMTestCaseID API-SEC-SETSUBST-0001 Starting tests..."));
+
+	// read in the command line args
+	const TInt KCmdLineBufLen = 64;
+	test(User::CommandLineLength() <= KCmdLineBufLen);
+
+	TBuf<KCmdLineBufLen> cmdLine;
+	User::CommandLine(cmdLine);
+	TLex l(cmdLine);
+
+	// extract the drive number
+	TPtrC token = l.NextToken();
+	test(token.Length() == 2);
+	test(TChar(token[0]).IsAlpha());
+	test(token[1] == ':');
+	TInt drvNum;
+	TChar drvCh = token[0];
+	test(RFs::CharToDrive(drvCh, drvNum) == KErrNone);
+
+	// extract the replacement path
+	token.Set(l.NextToken());
+	TInt dirLen = token.Length();
+	test(	dirLen == 0
+		||	(	dirLen >= 3
+			&&	TChar(token[0]).IsAlpha()
+			&&	token[1] == ':'
+			&&	token[2] == '\\' ) );
+	
+	// do the substitution
+	RFs fs;
+	test(fs.Connect() == KErrNone);
+
+	test(fs.SetSubst(token, drvNum) == KErrNone);
+
+	fs.Close();
+
+	test.End();
+	test.Close();
+
+	__UHEAP_MARKEND;
+	delete cleanup;
+	
+	return KErrNone;
+	}