--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/system/t_nanowait.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,113 @@
+// Copyright (c) 1997-2009 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_nanowait.cpp
+// Overview:
+// Test Kernal::NanoWait() against the FastCounter.
+// API Information:
+// NTimer
+// Details:
+// - Start one 100 msec NanoWait delay and verify that the 
+// delay time is correct.
+// Platforms/Drives/Compatibility:
+// All.
+// Assumptions/Requirement/Pre-requisites:
+// Failures and causes:
+// Base Port information:
+// 
+//
+
+#include <e32test.h>
+#include <e32uid.h>
+#include <e32hal.h>
+#include <hal.h>
+#include "d_nanowait.h"
+
+RTest test(_L("t_nanowait"));
+RNanoWait nanowait;
+
+TBool PauseOnError = 0;
+#define GETCH()		(PauseOnError&&test.Getch())
+
+#define TEST(c)		((void)((c)||(test.Printf(_L("Failed at line %d\n"),__LINE__),GETCH(),test(0),0)))
+#define CHECK(c)	((void)(((c)==0)||(test.Printf(_L("Error %d at line %d\n"),(c),__LINE__),GETCH(),test(0),0)))
+#ifdef __WINS__
+#define TESTTIME(v,min,max) test.Printf(_L("Expected range [%d,%d]\n"),min,max+1)
+#else
+#define TESTTIME(v,min,max) TEST(v>=min && v<max)
+#endif
+
+const TPtrC KLddFileName=_L("D_NANOWAIT.LDD");
+
+GLDEF_C TInt E32Main()
+//
+// Test NanoWait() delays
+//
+    {
+
+    
+    // To use in command line
+    	TBool pause = EFalse;
+    TBuf<256> cmdline;
+	User::CommandLine(cmdline);
+	if( cmdline == _L("-p"))
+		{
+			pause = ETrue;			
+		}
+
+    
+	test.Title();
+
+	test.Start(_L("Load D_NanoWait.LDD"));
+	TInt r=User::LoadLogicalDevice(KLddFileName);
+	TEST(r==KErrNone || r==KErrAlreadyExists);
+	
+	test.Next(_L("Test NanoWait delay"));
+	r=nanowait.Open();
+	CHECK(r);
+
+	TInt requested = 100000000;  // nsec = 100 msec
+	TUint32 startTick;
+	TUint32 endTick;
+	
+	TInt nanokernel_tick_period;
+	HAL::Get(HAL::ENanoTickPeriod, nanokernel_tick_period );
+	nanokernel_tick_period *= 1000; 	// convert from micro sec to nsec
+
+	
+	test.Printf(_L("Test parameters: total requested:%d nsec\n"), requested);
+	
+	startTick = User::NTickCount();
+	r=nanowait.StartNanoWait(1, requested);
+	endTick = User::NTickCount();
+	
+	startTick *= nanokernel_tick_period;	// in nsec
+	endTick   *= nanokernel_tick_period;	// in nsec
+	
+	TInt measured  = endTick-startTick;
+	TInt diff = measured - requested;
+	test.Printf(_L("Requested delay:%10d nsec\n"), requested);
+	test.Printf(_L("Measured delay :%10d nsec\n"), measured);
+	test.Printf(_L("Difference     :%10d nsec\n"), diff);
+	
+	
+	test.End();
+	if( pause )
+		{
+		test.Printf(_L("Press any key\n"));
+		test.Getch();	
+		}
+	
+	return(KErrNone);
+    }
+