diff -r 000000000000 -r a41df078684a kerneltest/e32test/system/t_env_child.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/system/t_env_child.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,213 @@
+// Copyright (c) 2002-2009 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\system\t_env.cpp
+// 
+//
+
+#include <e32std.h>
+#include <e32std_private.h>
+#include <e32test.h>
+#include <e32panic.h>
+#include <e32msgqueue.h>
+#include <f32file.h>
+
+LOCAL_D RTest test(_L("T_ENV_CHILD"));
+
+
+
+GLDEF_C TInt E32Main()
+    {
+
+	test.Title();
+	test.Start(_L("Environment"));
+	
+	//parameter slot 1 contains a message queue of TInts which contain control messages
+	//parameter slot 2 contains a message queue of TInts
+	//parameter slot 3 is a mutex
+	//parameter slot 4 is a semaphore
+	//parameter slot 5 is a chunk
+
+	RMsgQueue<TInt> controlQueue;
+	TInt err = controlQueue.Open(1, EOwnerProcess);
+	test(err==KErrNone);
+
+	TInt t = 0;
+	controlQueue.ReceiveBlocking(t);
+	switch (t)
+		{
+		case 0:
+			{
+			// out of range test
+			User::SetJustInTime(EFalse);
+			RMsgQueue<TInt> intQueue;
+			intQueue.Open(-1);			//should panic
+			break;
+			}
+
+		case 1:
+			{
+			// out of range test
+			User::SetJustInTime(EFalse);
+			RMsgQueue<TInt> intQueue;
+			intQueue.Open(4545);			//should panic
+			break;
+			}
+				
+		case 2:
+			{
+			//attempt to read slot which is empty
+			RMsgQueue<TInt> intQueue;
+			TInt ret = intQueue.Open(15);			//15 is empty
+			test(ret == KErrNotFound);
+			break;
+			}
+		
+		case 3:
+			//attempt to open incorrect handle type
+			{
+			RMutex mutex;
+			TInt ret = mutex.Open(2);			//2 is a TInt queue
+			test(ret == KErrArgument);
+			break;
+			}
+		case 4:
+
+			{
+			//test passing a mutex (slot 3)
+			RMutex mutex;
+			mutex.Open(3, EOwnerThread);
+			TFullName name = mutex.FullName();
+			TInt ret = name.CompareF(_L("testmutex"));
+			test (ret == KErrNone);
+			mutex.Close();
+			break;
+			}
+
+		case 5:
+			{
+			//test passing a semaphore (slot 4)
+			RSemaphore sem;
+			sem.Open(4, EOwnerThread);
+			TFullName name = sem.FullName();
+			TInt ret = name.CompareF(_L("testsemaphore"));
+			test (ret == KErrNone);
+			sem.Close();
+			break;
+			}
+
+		case 6:
+			{
+			//test file handle (slots 7=session 8=file)
+			_LIT8(KTestData,"test data");
+			RFs session;
+			session.Open(7);
+			RFile file;
+			TInt handle;
+			TInt len = User::ParameterLength(8);
+			test (len == 4);
+			TInt ret = User::GetTIntParameter(8, handle);
+			test(ret == KErrNone);
+			file.Adopt(session, handle);
+			TBuf8<100> rbuf;
+			ret = file.Read(0, rbuf);
+			test(ret == KErrNone);
+			file.Close();
+			ret = rbuf.CompareF(KTestData);
+			test(ret == KErrNone);
+			
+			session.Close();
+			break;
+			}
+	
+		case 7:
+			{
+			//test a chunk in slot 5
+			RChunk chunk;
+			TInt ret = chunk.Open(5, EOwnerThread);
+			test (ret == KErrNone);
+			TFullName name = chunk.FullName();
+			ret = name.CompareF(_L("testchunk"));
+			test (ret == KErrNone);
+			chunk.Close();
+
+			break;
+			}
+		case 8:
+			{
+			//test passing a 16 bit descriptor // slot 15
+			//_L("16 bit text"
+			TBuf16<40> buf;
+			TInt len = User::ParameterLength(15);
+			TInt ret = User::GetDesParameter(15, buf);
+			test (ret == KErrNone);
+			test(buf.Length() == len/2);
+			ret = buf.CompareF(_L("16 bit text"));
+			test (ret == KErrNone);
+
+			break;
+			}
+		case 9:
+			{
+			//test passing a 8 bit descriptor // slot 15
+			TBuf8<40> buf;
+			TInt len = User::ParameterLength(15);
+			TInt ret = User::GetDesParameter(15, buf);
+			test (ret == KErrNone);
+			test (len == buf.Length());
+			ret = buf.CompareF(_L8("8 bit text"));
+			test (ret == KErrNone);
+			break;
+			}
+
+		case 10:
+			{
+			User::SetJustInTime(EFalse);
+			TPtr8 bad((TUint8*)0xfeed, 20);
+			User::GetDesParameter(15, bad);
+			break;
+			}
+
+		case 11:
+			{
+			//test passing zero length data
+			TBuf8<40> buf;
+			TInt len = User::ParameterLength(15);
+			TInt ret = User::GetDesParameter(15, buf);
+			test (ret == KErrNone);
+			test (len == buf.Length());
+			test (len == 0);
+			break;
+			}
+
+		case 12:
+			{
+			//test getting command line, will be zero at the moment as just a reserved slot
+			TBuf8<40> buf;
+			TInt len = User::ParameterLength(0);
+			TInt ret = User::GetDesParameter(0, buf);
+			test (ret == KErrNone);
+			test (len == buf.Length());
+			test (len == 0);
+			break;
+			}
+		
+		default:
+			test(0);
+			break;
+		}
+		
+	controlQueue.Close();
+	test.End();
+	return 0;
+    }