1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/kerneltest/e32test/mmu/t_kblockmap.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,586 @@
1.4 +// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of the License "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// e32test\mmu\t_kblockmap.cpp
1.18 +// Unit tests for TKernBlockMap
1.19 +// 002 Test Initialise error checking
1.20 +// 003 Test processing of user-side block map into extent list
1.21 +// 004 Test processing of user-side block map into extent list, block size > read unit size
1.22 +// 005 Test Read error checking
1.23 +// 006 Test Read
1.24 +//
1.25 +//
1.26 +
1.27 +//! @SYMTestCaseID KBASE-T_KBLOCKMAP-0338
1.28 +//! @SYMTestType UT
1.29 +//! @SYMPREQ PREQ1110
1.30 +//! @SYMTestCaseDesc Demand Paging Kernel Blockmap tests
1.31 +//! @SYMTestActions 001 Unit tests the TKernBlockMap class
1.32 +//! @SYMTestExpectedResults All tests should pass.
1.33 +//! @SYMTestPriority High
1.34 +//! @SYMTestStatus Implemented
1.35 +
1.36 +#include <e32test.h>
1.37 +#include <e32debug.h>
1.38 +#include <memmodel/epoc/mmubase/kblockmap.h>
1.39 +
1.40 +RTest test(_L("T_KBLOCKMAP"));
1.41 +
1.42 +#define test_noError(x) { TInt _r = (x); if (_r < 0) HandleError(_r, __LINE__); }
1.43 +#define test_notNull(x) { TAny* _a = (TAny*)(x); if (_a == NULL) HandleNull(__LINE__); }
1.44 +#define test_equal(e, a) { TInt _e = (e); TInt _a = (a); if (_e != _a) HandleNotEqual(_e, _a, __LINE__); }
1.45 +
1.46 +void HandleError(TInt aError, TInt aLine)
1.47 + {
1.48 + test.Printf(_L("Error %d\n"), aError);
1.49 + test.operator()(EFalse, aLine);
1.50 + }
1.51 +
1.52 +void HandleNull(TInt aLine)
1.53 + {
1.54 + test.Printf(_L("Null value\n"));
1.55 + test.operator()(EFalse, aLine);
1.56 + }
1.57 +
1.58 +void HandleNotEqual(TInt aExpected, TInt aActual, TInt aLine)
1.59 + {
1.60 + test.Printf(_L("Expected 0x%x but got 0x%x\n"), aExpected, aActual);
1.61 + test.operator()(EFalse, aLine);
1.62 + }
1.63 +
1.64 +/// An list of "pod" objects which can be initialised by passing a variable number of TUints to its
1.65 +/// constructor
1.66 +template <class T>
1.67 +class CList
1.68 + {
1.69 +public:
1.70 + CList();
1.71 + CList(TInt aCount, ...);
1.72 + virtual ~CList();
1.73 + inline TInt Count() const { return iCount; }
1.74 + const T* Entries() const { return iEntries; }
1.75 + const T& operator[](TInt aIndex) const;
1.76 +protected:
1.77 + void Set(TInt aCount, VA_LIST aList);
1.78 +private:
1.79 + const CList<T>& operator=(const CList<T>&);
1.80 + TInt iCount;
1.81 + T* iEntries;
1.82 + };
1.83 +
1.84 +template <class T>
1.85 +CList<T>::CList()
1.86 + : iCount(0), iEntries(NULL)
1.87 + {
1.88 + __ASSERT_COMPILE(sizeof(T) % sizeof(TUint32) == 0);
1.89 + }
1.90 +
1.91 +template <class T>
1.92 +CList<T>::CList(TInt aCount, ...)
1.93 + : iCount(aCount)
1.94 + {
1.95 + VA_LIST list;
1.96 + VA_START(list, aCount);
1.97 + Set(aCount, list);
1.98 + }
1.99 +
1.100 +template <class T>
1.101 +CList<T>::~CList()
1.102 + {
1.103 + User::Free(iEntries);
1.104 + iEntries = NULL;
1.105 + }
1.106 +
1.107 +template <class T>
1.108 +void CList<T>::Set(TInt aCount, VA_LIST aList)
1.109 + {
1.110 + iCount = aCount;
1.111 + test(iEntries == NULL);
1.112 + iEntries = (T*)User::Alloc(sizeof(T) * iCount);
1.113 + test_notNull(iEntries);
1.114 + TInt argCount = iCount * (sizeof(T) / sizeof(TUint32));
1.115 + for (TInt i = 0 ; i < argCount ; ++i)
1.116 + ((TUint32*)iEntries)[i] = VA_ARG(aList, TUint32);
1.117 + }
1.118 +
1.119 +template <class T>
1.120 +const T& CList<T>::operator[](TInt aIndex) const
1.121 + {
1.122 + test(aIndex < iCount);
1.123 + return iEntries[aIndex];
1.124 + }
1.125 +
1.126 +/// Holds all the data associated with the user-side representation of a block map
1.127 +class CBlockMap : public CList<TBlockMapEntryBase>
1.128 + {
1.129 +public:
1.130 + CBlockMap(TUint aBlockGranularity,
1.131 + TUint aBlockStartOffset,
1.132 + TInt64 aStartBlockAddress,
1.133 + TUint aReadUnitShift,
1.134 + TUint aCodeLengthInFile,
1.135 + TUint aEntriesSize,
1.136 + ...);
1.137 + inline const SBlockMapInfoBase& Info() const { return iInfo; }
1.138 + inline TInt ReadUnitShift() const { return iReadUnitShift; }
1.139 + inline TInt CodeLengthInFile() const { return iCodeLengthInFile; }
1.140 + inline TInt EntriesSize() const { return iEntriesSize; }
1.141 +private:
1.142 + SBlockMapInfoBase iInfo;
1.143 + TBlockMapEntryBase* iEntries;
1.144 + TUint iReadUnitShift;
1.145 + TUint iCodeLengthInFile;
1.146 + TUint iEntriesSize;
1.147 + };
1.148 +
1.149 +CBlockMap::CBlockMap(TUint aBlockGranularity,
1.150 + TUint aBlockStartOffset,
1.151 + TInt64 aStartBlockAddress,
1.152 + TUint aReadUnitShift,
1.153 + TUint aCodeLengthInFile,
1.154 + TUint aEntriesSize,
1.155 + ...)
1.156 + {
1.157 + iInfo.iBlockGranularity = aBlockGranularity;
1.158 + iInfo.iBlockStartOffset = aBlockStartOffset;
1.159 + iInfo.iStartBlockAddress = aStartBlockAddress;
1.160 + // don't care about iInfo.iLocalDriveNumber for test purposes
1.161 + iReadUnitShift = aReadUnitShift;
1.162 + iCodeLengthInFile = aCodeLengthInFile;
1.163 + iEntriesSize = aEntriesSize;
1.164 + iEntries = (TBlockMapEntryBase*)User::Alloc(iEntriesSize);
1.165 +
1.166 + VA_LIST list;
1.167 + VA_START(list, aEntriesSize);
1.168 + Set(iEntriesSize / sizeof(TBlockMapEntryBase), list);
1.169 + }
1.170 +
1.171 +/// A list of extents, for comparison with those generated by the kernel block map processing code
1.172 +class CExtentList : public CList<TBlockMap::SExtent>
1.173 + {
1.174 +public:
1.175 + typedef TBlockMap::SExtent SExtent;
1.176 + CExtentList(TInt aCount, ...);
1.177 + void Dump() const;
1.178 + };
1.179 +
1.180 +CExtentList::CExtentList(TInt aCount, ...)
1.181 + {
1.182 + VA_LIST list;
1.183 + VA_START(list, aCount);
1.184 + Set(aCount, list);
1.185 + }
1.186 +
1.187 +void CExtentList::Dump() const
1.188 + {
1.189 + RDebug::Printf("CExtentList:\n");
1.190 + const CExtentList& self = *this;
1.191 + for (TInt i = 0 ; i < Count() ; ++i)
1.192 + RDebug::Printf(" %d: %08x -> %08x: %08x\n", i, self[i].iDataOffset, self[i+1].iDataOffset, self[i].iBlockNumber);
1.193 + }
1.194 +
1.195 +TBool operator==(const TBlockMap::SExtent& a, const TBlockMap::SExtent& b)
1.196 + {
1.197 + return a.iDataOffset == b.iDataOffset && a.iBlockNumber == b.iBlockNumber;
1.198 + }
1.199 +
1.200 +TBool operator!=(const TBlockMap::SExtent& a, const TBlockMap::SExtent& b)
1.201 + {
1.202 + return !(a == b);
1.203 + }
1.204 +
1.205 +TBool CompareExtentsEqual(const TBlockMap& aBlockMap, const CExtentList& aExtentList)
1.206 + {
1.207 + if (aBlockMap.Count() != aExtentList.Count())
1.208 + return EFalse;
1.209 + for (TInt i = 0 ; i < aBlockMap.Count() ; ++i)
1.210 + {
1.211 + if (aBlockMap.Extent(i) != aExtentList[i])
1.212 + return EFalse;
1.213 + }
1.214 + return ETrue;
1.215 + }
1.216 +
1.217 +TInt MakeKernBlockMap(TBlockMap& aKbm, const CBlockMap& aUbm)
1.218 + {
1.219 + TBlockMapEntryBase* buffer = (TBlockMapEntryBase*)User::Alloc(aUbm.EntriesSize());
1.220 + test_notNull(buffer);
1.221 + Mem::Copy(buffer, aUbm.Entries(), aUbm.EntriesSize());
1.222 + return aKbm.Initialise(aUbm.Info(),
1.223 + buffer,
1.224 + aUbm.EntriesSize(),
1.225 + aUbm.ReadUnitShift(),
1.226 + aUbm.CodeLengthInFile());
1.227 +}
1.228 +
1.229 +void MakeKernBlockMapAndTestExtents(const CBlockMap& aUbm, const CExtentList& aExpectedExtentList)
1.230 + {
1.231 + TBlockMap kbm;
1.232 + test_noError(MakeKernBlockMap(kbm, aUbm));
1.233 + TBool equal = CompareExtentsEqual(kbm, aExpectedExtentList);
1.234 + if (!equal)
1.235 + {
1.236 + aExpectedExtentList.Dump();
1.237 +#ifdef _DEBUG
1.238 + kbm.Dump();
1.239 +#endif
1.240 + }
1.241 + test(equal);
1.242 + }
1.243 +
1.244 +// Tests
1.245 +
1.246 +void TestInitialiseErrors()
1.247 + {
1.248 + test.Next(_L("Test Initialise error checking"));
1.249 + TBlockMap kbm;
1.250 +
1.251 + // Block size must be a power of two
1.252 + test_equal(KErrArgument, MakeKernBlockMap(kbm, CBlockMap(513, 0, 0, 9, 1, 8, 1, 0)));
1.253 +
1.254 + // Block size must be greater than or equal to the read unit size
1.255 + test_equal(KErrArgument, MakeKernBlockMap(kbm, CBlockMap(512, 0, 0, 10, 1, 8, 1, 0)));
1.256 +
1.257 + // Block start offset must be less than or equal to block size
1.258 + test_equal(KErrArgument, MakeKernBlockMap(kbm, CBlockMap(512, 513, 0, 9, 1, 8, 1, 0)));
1.259 +
1.260 + // Block zero address must be a multiple of the block size
1.261 + test_equal(KErrArgument, MakeKernBlockMap(kbm, CBlockMap(512, 0, 1, 9, 1, 8, 1, 0)));
1.262 +
1.263 + // Code length in file must be greater than zero
1.264 + test_equal(KErrArgument, MakeKernBlockMap(kbm, CBlockMap(512, 0, 0, 9, 0, 8, 1, 0)));
1.265 +
1.266 + // Size of entries array must be multiple of the size of one entry
1.267 + test_equal(KErrArgument, MakeKernBlockMap(kbm, CBlockMap(512, 0, 0, 9, 1, 9, 1, 0)));
1.268 +
1.269 + // Size of entries must be non-zero
1.270 + test_equal(KErrArgument, MakeKernBlockMap(kbm, CBlockMap(512, 0, 0, 9, 1, 0)));
1.271 +
1.272 + // Size of block map must be greater or equal to size of data in file
1.273 + test_equal(KErrArgument, MakeKernBlockMap(kbm, CBlockMap(512, 0, 0, 9, 513, 8, 1, 0)));
1.274 + }
1.275 +
1.276 + // blockGranularity, startOffset, blockZeroAddress, readUnitShift, codeLengthInFile, entriesSize, (numberOfBlocks, startBlock)+
1.277 +
1.278 +void TestExtentList()
1.279 + {
1.280 + test.Next(_L("Test processing of user-side block map into extent list"));
1.281 +
1.282 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.283 + // |= | | | | | | | | |
1.284 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.285 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 0, 0, 9, 1, 8, 1, 0),
1.286 + CExtentList(1, 0, 0));
1.287 +
1.288 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.289 + // | |= | | | | | | | |
1.290 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.291 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 0, 512, 9, 1, 8, 1, 0),
1.292 + CExtentList(1, 0, 1));
1.293 +
1.294 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.295 + // | | = | | | | | | | |
1.296 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.297 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 23, 512, 9, 1, 8, 1, 0),
1.298 + CExtentList(1, -23, 1));
1.299 +
1.300 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.301 + // | | | | = | | | | | |
1.302 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.303 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 23, 512, 9, 1, 8, 1, 2),
1.304 + CExtentList(1, -23, 3));
1.305 +
1.306 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.307 + // | | | | ======| | | | | |
1.308 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.309 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 23, 512, 9, 489, 8, 1, 2),
1.310 + CExtentList(1, -23, 3));
1.311 +
1.312 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.313 + // | | | | ======== | | | | |
1.314 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.315 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 23, 512, 9, 600, 8, 2, 2),
1.316 + CExtentList(1, -23, 3));
1.317 +
1.318 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.319 + // | | | | ==============| |== | | |
1.320 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.321 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 23, 512, 9, 1100, 16, 2, 2, 1, 5),
1.322 + CExtentList(2, -23, 3, 1001, 6));
1.323 +
1.324 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.325 + // | | | | ==============| |=======| | |
1.326 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.327 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 23, 512, 9, 1513, 16, 2, 2, 1, 5),
1.328 + CExtentList(2, -23, 3, 1001, 6));
1.329 +
1.330 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.331 + // | | | | ==============| |=======|= | |
1.332 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.333 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 23, 512, 9, 1540, 16, 2, 2, 2, 5),
1.334 + CExtentList(2, -23, 3, 1001, 6));
1.335 + }
1.336 +
1.337 +void TestExtentListScaled()
1.338 + {
1.339 + test.Next(_L("Test processing of user-side block map into extent list, block size > read unit size"));
1.340 +
1.341 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.342 + // |= : | : | : | : | : | : | : | : | : |
1.343 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.344 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 0, 0, 8, 1, 8, 1, 0),
1.345 + CExtentList(1, 0, 0));
1.346 +
1.347 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.348 + // | : |= : | : | : | : | : | : | : | : |
1.349 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.350 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 0, 512, 8, 1, 8, 1, 0),
1.351 + CExtentList(1, 0, 2));
1.352 +
1.353 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.354 + // | : | = : | : | : | : | : | : | : | : |
1.355 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.356 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 23, 512, 8, 1, 8, 1, 0),
1.357 + CExtentList(1, -23, 2));
1.358 +
1.359 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.360 + // | : | : = | : | : | : | : | : | : | : |
1.361 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.362 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 280, 512, 8, 1, 8, 1, 0),
1.363 + CExtentList(1, -24, 3));
1.364 +
1.365 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.366 + // | : | : | : | : = | : | : | : | : | : |
1.367 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.368 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 280, 512, 8, 1, 8, 1, 2),
1.369 + CExtentList(1, -24, 7));
1.370 +
1.371 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.372 + // | : | : | : | : ==| : | : | : | : | : |
1.373 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.374 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 280, 512, 8, 232, 8, 1, 2),
1.375 + CExtentList(1, -24, 7));
1.376 +
1.377 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.378 + // | : | : | : | : ==== : | : | : | : | : |
1.379 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.380 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 280, 512, 8, 333, 8, 2, 2),
1.381 + CExtentList(1, -24, 7));
1.382 +
1.383 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.384 + // | : | : | : | : ======== | : | : | : | : |
1.385 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.386 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 280, 512, 8, 666, 8, 2, 2),
1.387 + CExtentList(1, -24, 7));
1.388 +
1.389 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.390 + // | : | : | : | : ==========| : | : | : | : |
1.391 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.392 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 280, 512, 8, 744, 8, 2, 2),
1.393 + CExtentList(1, -24, 7));
1.394 +
1.395 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.396 + // | : | : | : | : ==========| : |== : | : | : |
1.397 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.398 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 280, 512, 8, 888, 16, 2, 2, 1, 5),
1.399 + CExtentList(2, -24, 7, 744, 12));
1.400 +
1.401 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.402 + // | : | : | : | : ==========| : |=======| : | : |
1.403 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.404 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 280, 512, 8, 1256, 16, 2, 2, 1, 5),
1.405 + CExtentList(2, -24, 7, 744, 12));
1.406 +
1.407 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.408 + // | : | : | : | : ==========| : |========= : | : |
1.409 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.410 + MakeKernBlockMapAndTestExtents(CBlockMap(512, 280, 512, 8, 1350, 16, 2, 2, 2, 5),
1.411 + CExtentList(2, -24, 7, 744, 12));
1.412 + }
1.413 +
1.414 +/// Holds the expected arguments for one call to the read function
1.415 +struct SReadEntry
1.416 + {
1.417 + TLinAddr iBuffer;
1.418 + TInt iBlockNumber;
1.419 + TInt iBlockCount;
1.420 + };
1.421 +
1.422 +/// Holds a list of expected arguments for all calls to the read function
1.423 +class CReadInfo : public CList<SReadEntry>
1.424 + {
1.425 +public:
1.426 + CReadInfo(TInt aReturnVal, TInt aCount, ...);
1.427 + const SReadEntry& Next();
1.428 + void Done() const;
1.429 + TInt ReturnVal() const { return iReturnVal; }
1.430 +private:
1.431 + TInt iPos;
1.432 + TInt iReturnVal;
1.433 + };
1.434 +
1.435 +CReadInfo::CReadInfo(TInt aReturnVal, TInt aCount, ...)
1.436 + : iPos(0), iReturnVal(aReturnVal)
1.437 + {
1.438 + VA_LIST list;
1.439 + VA_START(list, aCount);
1.440 + Set(aCount, list);
1.441 + }
1.442 +
1.443 +const SReadEntry& CReadInfo::Next()
1.444 + {
1.445 + const CList<SReadEntry>& self = *this;
1.446 + return self[iPos++];
1.447 + }
1.448 +
1.449 +void CReadInfo::Done() const
1.450 + {
1.451 + test_equal(Count(), iPos);
1.452 + }
1.453 +
1.454 +TInt ReadFunc(TAny* aArg, TAny*, TLinAddr aBuffer, TInt aBlockNumber, TInt aBlockCount)
1.455 + {
1.456 + CReadInfo& info = *(CReadInfo*)aArg;
1.457 + const SReadEntry& expected = info.Next();
1.458 + test_equal(expected.iBuffer, aBuffer);
1.459 + test_equal(expected.iBlockNumber, aBlockNumber);
1.460 + test_equal(expected.iBlockCount, aBlockCount);
1.461 + return KErrNone;
1.462 + }
1.463 +
1.464 +void TestRead(const TBlockMap& aBlockMap,
1.465 + TLinAddr aBuffer,
1.466 + TInt aPos,
1.467 + TInt aLength,
1.468 + TInt aReadUnitShift,
1.469 + const CReadInfo& aExpected)
1.470 + {
1.471 + test_equal(aExpected.ReturnVal(),
1.472 + aBlockMap.Read(aBuffer, aPos, aLength, aReadUnitShift, ReadFunc, (TAny*)&aExpected, (TAny*)NULL));
1.473 + aExpected.Done();
1.474 + }
1.475 +
1.476 +void TestReadErrors()
1.477 + {
1.478 + test.Next(_L("Test Read error checking"));
1.479 +
1.480 + TBlockMap kbm, kbm2;
1.481 +
1.482 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.483 + // |= | | | | | | | | |
1.484 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.485 + test_noError(MakeKernBlockMap(kbm, CBlockMap(512, 0, 0, 9, 1, 8, 1, 0)));
1.486 +
1.487 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.488 + // | : | : | : | : ==========| : |========= : | : |
1.489 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.490 + test_noError(MakeKernBlockMap(kbm2, CBlockMap(512, 280, 512, 8, 1350, 16, 2, 2, 2, 5)));
1.491 +
1.492 + // Test read start position is outside block map
1.493 + TestRead(kbm, 0, 1, 1, 9, CReadInfo(KErrArgument, 0));
1.494 + TestRead(kbm2, 0, 1350, 1, 8, CReadInfo(KErrArgument, 0));
1.495 +
1.496 + // Test read start position is negative
1.497 + TestRead(kbm, 0, -1, 1, 9, CReadInfo(KErrArgument, 0));
1.498 + TestRead(kbm2, 0, -1, 1, 8, CReadInfo(KErrArgument, 0));
1.499 +
1.500 + // Test read length exceeds block map length
1.501 + TestRead(kbm, 0, 0, 2, 9, CReadInfo(KErrArgument, 1, 0, 0, 1));
1.502 + TestRead(kbm2, 0, 1349, 2, 8, CReadInfo(KErrArgument, 1, 0, 14, 1));
1.503 + }
1.504 +
1.505 +void TestReads()
1.506 + {
1.507 + test.Next(_L("Test Read"));
1.508 +
1.509 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.510 + // |=======================| | | | | | |
1.511 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.512 +
1.513 + TBlockMap kbm2;
1.514 + test_noError(MakeKernBlockMap(kbm2, CBlockMap(512, 0, 0, 9, 1536, 8, 3, 0)));
1.515 +
1.516 + // Test correct number of blocks read
1.517 + TestRead(kbm2, 0, 0, 512, 9, CReadInfo(0, 1, 0, 0, 1));
1.518 + TestRead(kbm2, 0, 0, 513, 9, CReadInfo(0, 1, 0, 0, 2));
1.519 + TestRead(kbm2, 0, 0, 1024, 9, CReadInfo(0, 1, 0, 0, 2));
1.520 + TestRead(kbm2, 0, 0, 1025, 9, CReadInfo(0, 1, 0, 0, 3));
1.521 + TestRead(kbm2, 0, 0, 1536, 9, CReadInfo(0, 1, 0, 0, 3));
1.522 +
1.523 + // Test start offset not aligned to read unit
1.524 + TestRead(kbm2, 0, 1, 511, 9, CReadInfo(1, 1, 0, 0, 1));
1.525 + TestRead(kbm2, 0, 256, 256, 9, CReadInfo(256, 1, 0, 0, 1));
1.526 + TestRead(kbm2, 0, 511, 1, 9, CReadInfo(511, 1, 0, 0, 1));
1.527 + TestRead(kbm2, 0, 513, 511, 9, CReadInfo(1, 1, 0, 1, 1));
1.528 + TestRead(kbm2, 0, 1023, 1, 9, CReadInfo(511, 1, 0, 1, 1));
1.529 +
1.530 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.531 + // |=======| |=======| |=======| | | | |
1.532 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.533 +
1.534 + TBlockMap kbm;
1.535 + test_noError(MakeKernBlockMap(kbm, CBlockMap(512, 0, 0, 9, 1536, 24, 1, 0, 1, 3, 1, 5)));
1.536 +
1.537 + // Test correct block selected for read
1.538 + TestRead(kbm, 0, 0, 1, 9, CReadInfo(0, 1, 0, 0, 1));
1.539 + TestRead(kbm, 0, 256, 1, 9, CReadInfo(256, 1, 0, 0, 1));
1.540 + TestRead(kbm, 0, 511, 1, 9, CReadInfo(511, 1, 0, 0, 1));
1.541 + TestRead(kbm, 0, 512, 1, 9, CReadInfo(0, 1, 0, 3, 1));
1.542 + TestRead(kbm, 0, 768, 1, 9, CReadInfo(256, 1, 0, 3, 1));
1.543 + TestRead(kbm, 0, 1023, 1, 9, CReadInfo(511, 1, 0, 3, 1));
1.544 + TestRead(kbm, 0, 1535, 1, 9, CReadInfo(511, 1, 0, 5, 1));
1.545 +
1.546 + // Test reading multiple blocks
1.547 + TestRead(kbm, 0, 0, 513, 9, CReadInfo(0, 2, 0, 0, 1, 512, 3, 1));
1.548 + TestRead(kbm, 0, 0, 1024, 9, CReadInfo(0, 2, 0, 0, 1, 512, 3, 1));
1.549 + TestRead(kbm, 0, 0, 1025, 9, CReadInfo(0, 3, 0, 0, 1, 512, 3, 1, 1024, 5, 1));
1.550 + TestRead(kbm, 0, 0, 1536, 9, CReadInfo(0, 3, 0, 0, 1, 512, 3, 1, 1024, 5, 1));
1.551 +
1.552 +
1.553 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.554 + // | ====| |=======| |=======| | | | |
1.555 + // +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------
1.556 +
1.557 + TBlockMap kbm3;
1.558 + test_noError(MakeKernBlockMap(kbm3, CBlockMap(512, 256, 0, 9, 1280, 24, 1, 0, 1, 3, 1, 5)));
1.559 +
1.560 + // Test correct block selected for read
1.561 + TestRead(kbm3, 0, 0, 1, 9, CReadInfo(256, 1, 0, 0, 1));
1.562 + TestRead(kbm3, 0, 255, 1, 9, CReadInfo(511, 1, 0, 0, 1));
1.563 + TestRead(kbm3, 0, 256, 1, 9, CReadInfo(0, 1, 0, 3, 1));
1.564 + TestRead(kbm3, 0, 767, 1, 9, CReadInfo(511, 1, 0, 3, 1));
1.565 + TestRead(kbm3, 0, 768, 1, 9, CReadInfo(0, 1, 0, 5, 1));
1.566 +
1.567 + // Test reading multiple blocks
1.568 + TestRead(kbm3, 0, 0, 256, 9, CReadInfo(256, 1, 0, 0, 1));
1.569 + TestRead(kbm3, 0, 0, 257, 9, CReadInfo(256, 2, 0, 0, 1, 512, 3, 1));
1.570 + TestRead(kbm3, 0, 0, 768, 9, CReadInfo(256, 2, 0, 0, 1, 512, 3, 1));
1.571 + TestRead(kbm3, 0, 0, 769, 9, CReadInfo(256, 3, 0, 0, 1, 512, 3, 1, 1024, 5, 1));
1.572 + TestRead(kbm3, 0, 0, 1280, 9, CReadInfo(256, 3, 0, 0, 1, 512, 3, 1, 1024, 5, 1));
1.573 + }
1.574 +
1.575 +TInt E32Main()
1.576 + {
1.577 + test.Title();
1.578 + test.Start(_L("Unit tests the TKernBlockMap class"));
1.579 +
1.580 + TestInitialiseErrors();
1.581 + TestExtentList();
1.582 + TestExtentListScaled();
1.583 + TestReadErrors();
1.584 + TestReads();
1.585 +
1.586 + test.End();
1.587 +
1.588 + return KErrNone;
1.589 + }