--- /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);
+ }
+
+