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1 // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // e32test\misc\t_mem.cpp |
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15 // |
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16 // |
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17 |
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18 #include <e32test.h> |
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19 #include "u32std.h" |
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20 #include "../misc/prbs.h" |
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21 |
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22 RTest test(_L("T_MEM")); |
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23 |
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24 TInt E32Main() |
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25 { |
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26 test.Title(); |
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27 test.Start(_L("Create chunk")); |
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28 TMemoryInfoV1 minfo; |
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29 TPckg<TMemoryInfoV1> infoPckg(minfo); |
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30 TInt r = UserHal::MemoryInfo(infoPckg); |
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31 test(r==KErrNone); |
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32 test.Printf(_L("MaxFree = %08x\n"), minfo.iMaxFreeRamInBytes); |
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33 test.Printf(_L("Free = %08x\n"), minfo.iFreeRamInBytes); |
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34 TInt overhead = ((minfo.iFreeRamInBytes + 0x003FFFFF)>>22)<<12; |
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35 test.Printf(_L("Overhead = %08x\n"), overhead); |
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36 TInt size = Min(minfo.iFreeRamInBytes-0x00100000, minfo.iFreeRamInBytes-overhead); |
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37 test.Printf(_L("Initial = %08x\n"), size); |
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38 RChunk c; |
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39 r=c.CreateLocal(size, minfo.iFreeRamInBytes); |
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40 test(r==KErrNone); |
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41 while (r==KErrNone) |
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42 { |
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43 r = c.Adjust(size + 0x1000); |
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44 if (r==KErrNone) |
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45 size += 0x1000; |
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46 }; |
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47 test.Printf(_L("Final = %08x\n"), size); |
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48 |
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49 TUint seed[2]; |
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50 seed[0]=User::NTickCount(); |
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51 seed[1]=0; |
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52 TUint8* p=c.Base(); |
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53 test.Printf(_L("Chunk Base %08x\n"),p); |
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54 Mem::FillZ(p,size); |
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55 TInt sizepg = size>>12; |
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56 TUint iterations = 0; |
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57 FOREVER |
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58 { |
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59 TUint x=Random(seed); |
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60 x%=TUint(sizepg); |
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61 TInt offset=x<<12; |
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62 TUint init=Random(seed); |
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63 TUint seed2[2]; |
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64 seed2[0]=init; |
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65 seed2[1]=0; |
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66 TUint* pW=(TUint*)(p+offset); |
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67 *pW++=init; |
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68 TInt i; |
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69 for (i=1; i<1024; i++) |
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70 *pW++=Random(seed2); |
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71 TInt j; |
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72 for (j=0; j<19; j++) |
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73 { |
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74 x=Random(seed); |
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75 x%=TUint(sizepg); |
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76 offset=x<<12; |
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77 pW=(TUint*)(p+offset); |
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78 seed2[0]=*pW++; |
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79 seed2[1]=0; |
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80 for (i=1; i<1024; i++) |
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81 { |
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82 TUint actual=*pW++; |
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83 TUint expected=Random(seed2); |
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84 TUint diff = actual ^ expected; |
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85 if (diff) |
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86 { |
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87 test.Printf(_L("Address %08x: Got %08x Expected %08x Diff %08x\n"),pW-1,actual,expected,diff); |
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88 pW[-1] = expected; |
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89 // test.Getch(); |
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90 // test(0); |
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91 } |
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92 } |
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93 } |
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94 ++iterations; |
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95 if ((iterations & 0x3ff)==0) |
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96 test.Printf(_L("%u\n"),iterations); |
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97 } |
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98 } |