sl@0: // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32test\mmu\t_chunk2.cpp
sl@0: // Overview:
sl@0: // Test RChunk class
sl@0: // API Information:
sl@0: // RChunk
sl@0: // Details:
sl@0: // - Test creating local chunks and moving chunks home address, verify
sl@0: // results are as expected.
sl@0: // - Create numerous local chunks, test allocating more space by 
sl@0: // adjusting chunk size, check for allocation failure, verify results 
sl@0: // are as expected.
sl@0: // Platforms/Drives/Compatibility:
sl@0: // All.
sl@0: // Assumptions/Requirement/Pre-requisites:
sl@0: // Failures and causes:
sl@0: // Base Port information:
sl@0: // 
sl@0: //
sl@0: 
sl@0: #define __E32TEST_EXTENSION__
sl@0: #include <e32test.h>
sl@0: #include <e32hal.h>
sl@0: #include <e32panic.h>
sl@0: #include "mmudetect.h"
sl@0: #include "d_gobble.h"
sl@0: #include "freeram.h"
sl@0: 
sl@0: TInt GlobalValue=299792458;
sl@0: TInt *GlobalPtr=&GlobalValue;
sl@0: 
sl@0: LOCAL_D RTest test(_L("T_CHUNK2"));
sl@0: LOCAL_D RTest t(_L("ShareThread"));
sl@0: LOCAL_D RChunk gChunk;
sl@0: 
sl@0: LOCAL_D TPtr nullPtr(NULL,0);
sl@0: 
sl@0: LOCAL_C void TestAllocFailure(RChunk& c1, RChunk& c2)
sl@0: 	{
sl@0: 	TInt free=FreeRam();
sl@0: 	test.Printf(_L("Free RAM %dK\n"),free/1024);
sl@0: 	TInt size1=free-0x80000;	// 512K less than available
sl@0: 	TInt size2=0xFF000;			// 255 pages
sl@0: 	test.Printf(_L("Adjusting chunk 1 to size %dK\n"),size1/1024);
sl@0: 	TInt r=c1.Adjust(size1);
sl@0: 	test(r==KErrNone);
sl@0: 	test.Printf(_L("Attempting to adjust chunk 2 to size %dK\n"),size2/1024);
sl@0: 	r=c2.Adjust(size2);
sl@0: 	test(r==KErrNoMemory);
sl@0: 	TInt size3=FreeRam();
sl@0: 	test.Printf(_L("Attempting to adjust chunk 2 to size %dK\n"),size3/1024);
sl@0: 	r=c2.Adjust(size3);
sl@0: 	TInt free2=FreeRam();
sl@0: 	if (r==KErrNone)
sl@0: 		{
sl@0: 		test.Printf(_L("Succeeded - free RAM now %dK\n"),free2/1024);
sl@0: 		test.Printf(_L("Freeing chunk 2\n"));
sl@0: 		r=c2.Adjust(0);
sl@0: 		test(r==KErrNone);
sl@0: 		}
sl@0: 	else
sl@0: 		test.Printf(_L("Failed - free RAM now %dK\n"),free2/1024);
sl@0: 	test.Printf(_L("Freeing chunk 1\n"));
sl@0: 	r=c1.Adjust(0);
sl@0: 	test(r==KErrNone);
sl@0: 	test.Printf(_L("Checking free RAM\n"));
sl@0: 	UserSvr::HalFunction(EHalGroupKernel, EKernelHalSupervisorBarrier, 0, 0);
sl@0: 	free2=FreeRam();
sl@0: 	test.Printf(_L("Free RAM %dK\n"),free2/1024);
sl@0: 	test(free==free2);
sl@0: 	}
sl@0: 
sl@0: void TestInterleavedAlloc()
sl@0: 	{
sl@0: 	TInt pageSize;
sl@0: 	RChunk c1;
sl@0: 	RChunk c2;
sl@0: 	TInt r;
sl@0: 	r=UserHal::PageSizeInBytes(pageSize);
sl@0: 	test(r==KErrNone);
sl@0: 	r=c1.CreateLocal(0,0x100000);
sl@0: 	test(r==KErrNone);
sl@0: 	r=c2.CreateLocal(0,0x100000);
sl@0: 	test(r==KErrNone);
sl@0: 	TInt step;
sl@0: 	for (step=1; step<=32; ++step)
sl@0: 		{
sl@0: 		test.Printf(_L("Step size %x\n"),step*pageSize);
sl@0: 		while (c1.Size()<64*pageSize)
sl@0: 			{
sl@0: 			r=c1.Adjust(c1.Size()+step*pageSize);
sl@0: 			test(r==KErrNone);
sl@0: 			r=c2.Adjust(c2.Size()+step*pageSize);
sl@0: 			test(r==KErrNone);
sl@0: 			}
sl@0: 		c1.Adjust(0);
sl@0: 		c2.Adjust(0);
sl@0: 		}
sl@0: 	c1.Close();
sl@0: 	c2.Close();
sl@0: 	}
sl@0: 
sl@0: TInt E32Main()
sl@0: //
sl@0: //	Test RChunk class
sl@0: //
sl@0: 	{
sl@0: 
sl@0: 	test.Title();
sl@0: 	if (!HaveVirtMem())
sl@0: 		{
sl@0: 		test.Printf(_L("This test requires an MMU\n"));
sl@0: 		return KErrNone;
sl@0: 		}
sl@0: 	TestInterleavedAlloc();
sl@0: 	test.Start(_L("Test moving chunks home addresses"));
sl@0: 	test.Printf(_L("GlobalValue=%d\n"),*GlobalPtr);
sl@0: 	++*GlobalPtr;
sl@0: 	test.Printf(_L("GlobalValue=%d\n"),GlobalValue);
sl@0: 
sl@0: 	test.Next(_L("Load gobbler LDD"));
sl@0: 	TInt r = User::LoadLogicalDevice(KGobblerLddFileName);
sl@0: 	test(r==KErrNone || r==KErrAlreadyExists);
sl@0: 	RGobbler gobbler;
sl@0: 	r = gobbler.Open();
sl@0: 	test(r==KErrNone);
sl@0: 	TUint32 taken = gobbler.GobbleRAM(128*1024*1024);
sl@0: 	test.Printf(_L("Gobbled: %dK\n"), taken/1024);
sl@0: 
sl@0: 	TInt free=FreeRam();
sl@0: 	test.Printf(_L("Free RAM 0x%08X bytes\n"),free);
sl@0: 
sl@0: 	RChunk chunk1;
sl@0: 	r=chunk1.CreateLocal(0x400,0x800000);
sl@0: 	test (r==KErrNone);
sl@0: 	TInt i;
sl@0: 	TInt *p=(TInt*)chunk1.Base();
sl@0: 	test.Printf(_L("Chunk 1 Base %08X\n"),p);
sl@0: 	for (i=0; i<0x100; i++)
sl@0: 		*p++=i*i+41;
sl@0: 	RChunk chunk2;
sl@0: 	r=chunk2.CreateLocal(0x400,0x800000);
sl@0: 	test (r==KErrNone);
sl@0: 	TInt *p2=(TInt*)chunk2.Base();
sl@0: 	test.Printf(_L("Chunk 2 Base %08X\n"),p2);
sl@0: 	for (i=0; i<0x100; i++)
sl@0: 		*p2++=i*i*i+487;
sl@0: 	r=chunk1.Adjust(0x120000);
sl@0: 	test (r==KErrNone);
sl@0: 	for (i=0x100; i<0x48000; i++)
sl@0: 		*p++=i*i+41;
sl@0: 	r=chunk2.Adjust(0x120000);
sl@0: 	test (r==KErrNone);
sl@0: 	for (i=0x100; i<0x48000; i++)
sl@0: 		*p2++=i*i*i+487;
sl@0: 	p=(TInt*)chunk1.Base();
sl@0: 	p2=(TInt*)chunk2.Base();
sl@0: 	for(i=0; i<0x48000; i++)
sl@0: 		{
sl@0: 		TInt read1=*p++;
sl@0: 		TInt read2=*p2++;
sl@0: 		if (read1 != (i*i+41))
sl@0: 			{
sl@0: 			test.Printf(_L("Chunk 1 i=%X, read %08X expected %08X\n"),i,read1,i*i+41);
sl@0: 			//test.Getch();
sl@0: 			}
sl@0: 		if (read2 != (i*i*i+487))
sl@0: 			{
sl@0: 			test.Printf(_L("Chunk 2 i=%X, read %08X expected %08X\n"),i,read2,i*i*i+487);
sl@0: 			//test.Getch();
sl@0: 			}
sl@0: 		}
sl@0: 	chunk1.Close();
sl@0: 	chunk2.Close();
sl@0: 	
sl@0: 	TInt free2=FreeRam();
sl@0: 	test.Printf(_L("Free RAM 0x%08X bytes\n"),free2);
sl@0: 	test(free2==free);
sl@0: 
sl@0: 	// Chunks must not be paged otherwise they will not effect the amount 
sl@0: 	// of free ram reported plus on h4 swap size is less than the total ram.
sl@0: 	TChunkCreateInfo createInfo;
sl@0: 	createInfo.SetNormal(0, free+2097152);
sl@0: 	createInfo.SetPaging(TChunkCreateInfo::EUnpaged);
sl@0: 	RChunk c1;
sl@0: 	test_KErrNone(c1.Create(createInfo));
sl@0: 	createInfo.SetNormal(0, 0x1000000);
sl@0: 	RChunk c2;
sl@0: 	RChunk c3;
sl@0: 	RChunk c4;
sl@0: 	RChunk c5;
sl@0: 	RChunk c6;
sl@0: 	test_KErrNone(c2.Create(createInfo));
sl@0: 	test_KErrNone(c3.Create(createInfo));
sl@0: 	test_KErrNone(c4.Create(createInfo));
sl@0: 	test_KErrNone(c5.Create(createInfo));
sl@0: 	test_KErrNone(c6.Create(createInfo));
sl@0: 
sl@0: 	TestAllocFailure(c1,c2);
sl@0: 	r=c3.Adjust(1024);
sl@0: 	test(r==KErrNone);
sl@0: 	TestAllocFailure(c1,c2);
sl@0: 	r=c4.Adjust(1024);
sl@0: 	test(r==KErrNone);
sl@0: 	TestAllocFailure(c1,c2);
sl@0: 	r=c5.Adjust(1024);
sl@0: 	test(r==KErrNone);
sl@0: 	TestAllocFailure(c1,c2);
sl@0: 	r=c6.Adjust(1024);
sl@0: 	test(r==KErrNone);
sl@0: 	TestAllocFailure(c1,c2);
sl@0: 
sl@0: 	c1.Close();
sl@0: 	c2.Close();
sl@0: 	c3.Close();
sl@0: 	c4.Close();
sl@0: 	c5.Close();
sl@0: 	c6.Close();
sl@0: 	gobbler.Close();
sl@0: 
sl@0: 	test.End();
sl@0: 	test.Close();
sl@0: 	return(KErrNone);
sl@0: 	}
sl@0: 
sl@0: