diff -r 000000000000 -r a41df078684a kerneltest/e32test/mmu/t_chunk2.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/mmu/t_chunk2.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,238 @@
+// 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\mmu\t_chunk2.cpp
+// Overview:
+// Test RChunk class
+// API Information:
+// RChunk
+// Details:
+// - Test creating local chunks and moving chunks home address, verify
+// results are as expected.
+// - Create numerous local chunks, test allocating more space by 
+// adjusting chunk size, check for allocation failure, verify results 
+// are as expected.
+// Platforms/Drives/Compatibility:
+// All.
+// Assumptions/Requirement/Pre-requisites:
+// Failures and causes:
+// Base Port information:
+// 
+//
+
+#define __E32TEST_EXTENSION__
+#include <e32test.h>
+#include <e32hal.h>
+#include <e32panic.h>
+#include "mmudetect.h"
+#include "d_gobble.h"
+#include "freeram.h"
+
+TInt GlobalValue=299792458;
+TInt *GlobalPtr=&GlobalValue;
+
+LOCAL_D RTest test(_L("T_CHUNK2"));
+LOCAL_D RTest t(_L("ShareThread"));
+LOCAL_D RChunk gChunk;
+
+LOCAL_D TPtr nullPtr(NULL,0);
+
+LOCAL_C void TestAllocFailure(RChunk& c1, RChunk& c2)
+	{
+	TInt free=FreeRam();
+	test.Printf(_L("Free RAM %dK\n"),free/1024);
+	TInt size1=free-0x80000;	// 512K less than available
+	TInt size2=0xFF000;			// 255 pages
+	test.Printf(_L("Adjusting chunk 1 to size %dK\n"),size1/1024);
+	TInt r=c1.Adjust(size1);
+	test(r==KErrNone);
+	test.Printf(_L("Attempting to adjust chunk 2 to size %dK\n"),size2/1024);
+	r=c2.Adjust(size2);
+	test(r==KErrNoMemory);
+	TInt size3=FreeRam();
+	test.Printf(_L("Attempting to adjust chunk 2 to size %dK\n"),size3/1024);
+	r=c2.Adjust(size3);
+	TInt free2=FreeRam();
+	if (r==KErrNone)
+		{
+		test.Printf(_L("Succeeded - free RAM now %dK\n"),free2/1024);
+		test.Printf(_L("Freeing chunk 2\n"));
+		r=c2.Adjust(0);
+		test(r==KErrNone);
+		}
+	else
+		test.Printf(_L("Failed - free RAM now %dK\n"),free2/1024);
+	test.Printf(_L("Freeing chunk 1\n"));
+	r=c1.Adjust(0);
+	test(r==KErrNone);
+	test.Printf(_L("Checking free RAM\n"));
+	UserSvr::HalFunction(EHalGroupKernel, EKernelHalSupervisorBarrier, 0, 0);
+	free2=FreeRam();
+	test.Printf(_L("Free RAM %dK\n"),free2/1024);
+	test(free==free2);
+	}
+
+void TestInterleavedAlloc()
+	{
+	TInt pageSize;
+	RChunk c1;
+	RChunk c2;
+	TInt r;
+	r=UserHal::PageSizeInBytes(pageSize);
+	test(r==KErrNone);
+	r=c1.CreateLocal(0,0x100000);
+	test(r==KErrNone);
+	r=c2.CreateLocal(0,0x100000);
+	test(r==KErrNone);
+	TInt step;
+	for (step=1; step<=32; ++step)
+		{
+		test.Printf(_L("Step size %x\n"),step*pageSize);
+		while (c1.Size()<64*pageSize)
+			{
+			r=c1.Adjust(c1.Size()+step*pageSize);
+			test(r==KErrNone);
+			r=c2.Adjust(c2.Size()+step*pageSize);
+			test(r==KErrNone);
+			}
+		c1.Adjust(0);
+		c2.Adjust(0);
+		}
+	c1.Close();
+	c2.Close();
+	}
+
+TInt E32Main()
+//
+//	Test RChunk class
+//
+	{
+
+	test.Title();
+	if (!HaveVirtMem())
+		{
+		test.Printf(_L("This test requires an MMU\n"));
+		return KErrNone;
+		}
+	TestInterleavedAlloc();
+	test.Start(_L("Test moving chunks home addresses"));
+	test.Printf(_L("GlobalValue=%d\n"),*GlobalPtr);
+	++*GlobalPtr;
+	test.Printf(_L("GlobalValue=%d\n"),GlobalValue);
+
+	test.Next(_L("Load gobbler LDD"));
+	TInt r = User::LoadLogicalDevice(KGobblerLddFileName);
+	test(r==KErrNone || r==KErrAlreadyExists);
+	RGobbler gobbler;
+	r = gobbler.Open();
+	test(r==KErrNone);
+	TUint32 taken = gobbler.GobbleRAM(128*1024*1024);
+	test.Printf(_L("Gobbled: %dK\n"), taken/1024);
+
+	TInt free=FreeRam();
+	test.Printf(_L("Free RAM 0x%08X bytes\n"),free);
+
+	RChunk chunk1;
+	r=chunk1.CreateLocal(0x400,0x800000);
+	test (r==KErrNone);
+	TInt i;
+	TInt *p=(TInt*)chunk1.Base();
+	test.Printf(_L("Chunk 1 Base %08X\n"),p);
+	for (i=0; i<0x100; i++)
+		*p++=i*i+41;
+	RChunk chunk2;
+	r=chunk2.CreateLocal(0x400,0x800000);
+	test (r==KErrNone);
+	TInt *p2=(TInt*)chunk2.Base();
+	test.Printf(_L("Chunk 2 Base %08X\n"),p2);
+	for (i=0; i<0x100; i++)
+		*p2++=i*i*i+487;
+	r=chunk1.Adjust(0x120000);
+	test (r==KErrNone);
+	for (i=0x100; i<0x48000; i++)
+		*p++=i*i+41;
+	r=chunk2.Adjust(0x120000);
+	test (r==KErrNone);
+	for (i=0x100; i<0x48000; i++)
+		*p2++=i*i*i+487;
+	p=(TInt*)chunk1.Base();
+	p2=(TInt*)chunk2.Base();
+	for(i=0; i<0x48000; i++)
+		{
+		TInt read1=*p++;
+		TInt read2=*p2++;
+		if (read1 != (i*i+41))
+			{
+			test.Printf(_L("Chunk 1 i=%X, read %08X expected %08X\n"),i,read1,i*i+41);
+			//test.Getch();
+			}
+		if (read2 != (i*i*i+487))
+			{
+			test.Printf(_L("Chunk 2 i=%X, read %08X expected %08X\n"),i,read2,i*i*i+487);
+			//test.Getch();
+			}
+		}
+	chunk1.Close();
+	chunk2.Close();
+	
+	TInt free2=FreeRam();
+	test.Printf(_L("Free RAM 0x%08X bytes\n"),free2);
+	test(free2==free);
+
+	// Chunks must not be paged otherwise they will not effect the amount 
+	// of free ram reported plus on h4 swap size is less than the total ram.
+	TChunkCreateInfo createInfo;
+	createInfo.SetNormal(0, free+2097152);
+	createInfo.SetPaging(TChunkCreateInfo::EUnpaged);
+	RChunk c1;
+	test_KErrNone(c1.Create(createInfo));
+	createInfo.SetNormal(0, 0x1000000);
+	RChunk c2;
+	RChunk c3;
+	RChunk c4;
+	RChunk c5;
+	RChunk c6;
+	test_KErrNone(c2.Create(createInfo));
+	test_KErrNone(c3.Create(createInfo));
+	test_KErrNone(c4.Create(createInfo));
+	test_KErrNone(c5.Create(createInfo));
+	test_KErrNone(c6.Create(createInfo));
+
+	TestAllocFailure(c1,c2);
+	r=c3.Adjust(1024);
+	test(r==KErrNone);
+	TestAllocFailure(c1,c2);
+	r=c4.Adjust(1024);
+	test(r==KErrNone);
+	TestAllocFailure(c1,c2);
+	r=c5.Adjust(1024);
+	test(r==KErrNone);
+	TestAllocFailure(c1,c2);
+	r=c6.Adjust(1024);
+	test(r==KErrNone);
+	TestAllocFailure(c1,c2);
+
+	c1.Close();
+	c2.Close();
+	c3.Close();
+	c4.Close();
+	c5.Close();
+	c6.Close();
+	gobbler.Close();
+
+	test.End();
+	test.Close();
+	return(KErrNone);
+	}
+
+