os/kernelhwsrv/kerneltest/f32test/server/b_rand.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
     2 // All rights reserved.
     3 // This component and the accompanying materials are made available
     4 // under the terms of the License "Eclipse Public License v1.0"
     5 // which accompanies this distribution, and is available
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
     7 //
     8 // Initial Contributors:
     9 // Nokia Corporation - initial contribution.
    10 //
    11 // Contributors:
    12 //
    13 // Description:
    14 // f32test\server\b_rand.cpp
    15 // 
    16 //
    17 
    18 #include <f32file.h>
    19 #include <e32math.h>
    20 #include <e32test.h>
    21 #include "t_server.h"
    22 
    23 const TInt64 KInitialSeedL=24;
    24 const TInt KInitialSeed5=42;
    25 const TInt KMaxStream=0x1000;
    26 
    27 class RStream
    28 	{
    29 public:
    30 	RStream();
    31 	void Set(RFile& aFile);
    32 	TInt Read(TDes8& aDes);
    33 private:
    34 	const TText8* iNext;
    35 	const TText8* iEnd;
    36 	TBool iEOF;
    37 	RFile iFile;
    38 	TBuf8<KMaxStream> iStream;
    39 	};
    40 
    41 GLDEF_D RTest test(_L("B_RAND"));
    42 LOCAL_D RFile TheFile1;
    43 LOCAL_D RFile TheFile2;
    44 LOCAL_D RFile TheFile3;
    45 LOCAL_D RFile TheFile4;
    46 LOCAL_D RFile TheFile5;
    47 LOCAL_D TFileName fBuf;
    48 LOCAL_D TFileName nameBuf1;
    49 LOCAL_D TFileName nameBuf2;
    50 LOCAL_D TFileName nameBuf3;
    51 LOCAL_D TFileName nameBuf4;
    52 LOCAL_D TFileName nameBuf5;
    53 LOCAL_D TBuf8<0x200> chkPat;
    54 LOCAL_D TBuf8<0x200> testPat2;
    55 LOCAL_D TBuf8<0x400> testPat3;
    56 LOCAL_D TBuf8<0x400> testPat4;
    57 LOCAL_D TBuf8<0x40> testPat5;
    58 LOCAL_D TBuf8<0x400> buf;
    59 LOCAL_D RStream sBuf;
    60 LOCAL_D TPtrC testDir(_S("\\F32-TST\\"));
    61 
    62 LOCAL_C void TestRet(TInt aRet)
    63 //
    64 // Display error value if aRet!=KErrNone
    65 //
    66 	{
    67 
    68 	if (aRet==KErrNone)
    69 		return;
    70 	test.Printf(_L("Error: %d\n"),aRet);
    71 	test(EFalse);
    72 	}
    73 
    74 #if defined(__SLOW_TEST__)
    75 LOCAL_C void CheckFile(const RFile& aFile,const TChar aChar)
    76 //
    77 // Check that aFile only contains aChar and '\n' characters
    78 //
    79 	{
    80 
    81 	TBuf8<0x400> buf(0x400);
    82 	TInt pos=0;
    83 	TInt r=aFile.Seek(ESeekStart,pos);
    84 	TestRet(r);
    85 	while(buf.Length()==buf.MaxLength())
    86 		{
    87 		r=aFile.Read(buf);
    88 		TestRet(r);
    89 		TInt len=buf.Length();
    90 		while(len--)
    91 			test(buf[len]=='\n' || aChar==buf[len]);
    92 		}
    93 	}
    94 #else
    95 LOCAL_C void CheckFile(const RFile& /*aFile*/,const TChar /*aChar*/)
    96 	{
    97 	}
    98 #endif
    99 
   100 LOCAL_C void CheckFile1()
   101 	{CheckFile(TheFile1,'A');}
   102 LOCAL_C void CheckFile2()
   103 	{CheckFile(TheFile2,'B');}
   104 
   105 RStream::RStream()
   106 //
   107 // Constructor.
   108 //
   109 	{
   110 	}
   111 
   112 void RStream::Set(RFile& aFile)
   113 //
   114 // Initialize the stream on a file.
   115 //
   116 	{
   117 
   118 	iEOF=EFalse;
   119 	iFile=aFile;
   120 	iStream.Zero();
   121 	iNext=iStream.Ptr();
   122 	iEnd=iNext;
   123 	}
   124 
   125 TInt RStream::Read(TDes8& aDes)
   126 //
   127 // Read from the stream.
   128 //
   129 	{
   130 
   131 	TText8* pD=(TText8*)aDes.Ptr();
   132 	TInt len=aDes.MaxLength();
   133 	TInt newLen=0;
   134 	while (newLen<len)
   135 		{
   136 		if (iNext>=iEnd)
   137 			{
   138 			if (iEOF)
   139 				{
   140 				if (newLen==0)
   141 					return(KErrEof);
   142 				aDes.SetLength(newLen);
   143 				return(KErrNone);
   144 				}
   145 			TInt r=iFile.Read(iStream);
   146 			if (r!=KErrNone)
   147 				return(r);
   148 			if (iStream.Length()!=iStream.MaxLength())
   149 				iEOF=ETrue;
   150 			iNext=iStream.Ptr();
   151 			iEnd=iNext+iStream.Length();
   152 			continue;
   153 			}
   154 		TUint c=(*iNext++);
   155 		if (c=='\n')
   156 			{
   157 			aDes.SetLength(newLen);
   158 			return(KErrNone);
   159 			}
   160 		*pD++=(TText8)c;
   161 		newLen++;
   162 		}
   163 	return(KErrTooBig);
   164 	}
   165 
   166 
   167 GLDEF_C void CallTestsL(void)
   168 //
   169 // Do tests relative to session path
   170 //
   171 	{
   172 
   173 	TTime timerC;
   174 	timerC.HomeTime();
   175 
   176 	test.Next(_L("Make test directory"));
   177 //
   178 	TInt n_times=400;
   179 	testPat2.Fill('B',testPat2.MaxLength());
   180 	testPat3.Fill('C',testPat3.MaxLength());
   181 	testPat4.Fill('D',testPat4.MaxLength());
   182 //
   183 	TInt r=TheFile1.Temp(TheFs,testDir,nameBuf1,EFileStream|EFileWrite);
   184 	TestRet(r);
   185     test.Printf(_L("Created1: %S\n"),&nameBuf1);
   186     TInt sum1=0;
   187 //
   188 	r=TheFile2.Temp(TheFs,testDir,nameBuf2,EFileStreamText|EFileWrite);
   189 	TestRet(r);
   190     test.Printf(_L("Created2: %S\n"),&nameBuf2);
   191     TInt sum2=0;
   192 //
   193 	r=TheFile3.Temp(TheFs,testDir,nameBuf3,EFileStream|EFileWrite);
   194 	TestRet(r);
   195     test.Printf(_L("Created3: %S\n"),&nameBuf3);
   196     TInt sum3=0;
   197 //
   198 	r=TheFile4.Temp(TheFs,testDir,nameBuf4,EFileStream|EFileWrite);
   199 	TestRet(r);
   200     test.Printf(_L("Created4: %S\n"),&nameBuf4);
   201     TInt sum4=0;
   202 //
   203 	r=TheFile5.Temp(TheFs,testDir,nameBuf5,EFileStreamText|EFileWrite);
   204 	TestRet(r);
   205     test.Printf(_L("Created5: %S\n"),&nameBuf5);
   206     TInt sum5=0;
   207 	TheFile5.Close();
   208 //
   209     TInt64 seed5=KInitialSeed5;
   210     TInt64 seedL=KInitialSeedL;
   211 	TBuf<0x100> pBuf;
   212     for (TInt rep=0;rep<n_times;rep++)
   213         {
   214 		pBuf.Zero();
   215 		pBuf.Format(_L("RAND(%03u) "),rep);
   216         sum1++;
   217 		pBuf.Append(_L("W1->F1 ")); // Write 1 byte to file1
   218 		TPtrC8 pA=_L8("A");
   219 		r=TheFile1.Write(pA);
   220 		TestRet(r);
   221 		CheckFile1();
   222 	
   223 		CheckFile2();
   224 		TInt len=(Math::Rand(seedL)&0xff); // 0 to 255
   225         sum2+=len;
   226 		pBuf.AppendFormat(_L("W%03u->F2 "),len); // Write len bytes to file2
   227 		r=TheFile2.Write(testPat2,len);
   228 		TestRet(r);
   229 		r=TheFile2.Write(_L8("\n"));
   230 		TestRet(r);
   231 		CheckFile2();
   232     
   233 	    if (Math::Rand(seedL)&0x10)
   234             {
   235 			CheckFile2();
   236             len=(Math::Rand(seedL)&0x2ff);
   237             sum3+=len;
   238 			pBuf.AppendFormat(_L("W%03u->F3 "),len); // Write len bytes to file3
   239 			r=TheFile3.Write(testPat3,len);
   240 			TestRet(r);
   241 			CheckFile2();
   242 			}
   243 
   244         if (Math::Rand(seedL)&0x10)
   245             {
   246             len=(Math::Rand(seedL)&0x3ff);
   247             sum4+=len;
   248 			pBuf.AppendFormat(_L("W%04u->F4 "),len); // Write len bytes to file4
   249 			r=TheFile4.Write(testPat4,len);
   250 			TestRet(r);
   251 //			CheckFile4();
   252 		    }
   253 
   254         if ((Math::Rand(seedL)&0x70)==0x70)
   255             {
   256 			r=TheFile5.Open(TheFs,nameBuf5,EFileStreamText|EFileWrite);
   257 			TestRet(r);
   258 			TInt pos=0;
   259 			r=TheFile5.Seek(ESeekEnd,pos);
   260 			TestRet(r);
   261 			testPat5.Format(_L8("%8x\n"),Math::Rand(seed5));
   262 			pBuf.Append(_L("W8->F5")); // Write 8 bytes to file5
   263 			r=TheFile5.Write(testPat5);
   264 			TestRet(r);
   265 			TheFile5.Close();
   266             sum5+=8;
   267             }
   268 		test.Printf(pBuf);
   269 
   270 		if ((Math::Rand(seedL)&0xf0)==0xf0)
   271             {
   272             test.Printf(_L("  DELETE F3"));
   273 			TheFile3.Close();
   274 			r=TheFs.Delete(nameBuf3);
   275             TestRet(r);
   276 			r=TheFile3.Temp(TheFs,testDir,nameBuf3,EFileStream|EFileWrite);
   277 	        TestRet(r);
   278             sum3=0L;
   279             }
   280         if ((Math::Rand(seedL)&0xf0)==0xf0)
   281             {
   282             test.Printf(_L("  DELETE F4"));
   283 			TheFile4.Close();
   284 			r=TheFs.Delete(nameBuf4);
   285 	        TestRet(r);
   286 			r=TheFile4.Temp(TheFs,testDir,nameBuf4,EFileStream|EFileWrite);
   287 	        TestRet(r);
   288             sum4=0L;
   289             }
   290         if ((Math::Rand(seedL)&0x1f0)==0x1f0)
   291             {
   292             test.Printf(_L("  REPLACE F3"));
   293 			TheFile3.Close();
   294 	        TestRet(r);
   295 			r=TheFile3.Replace(TheFs,nameBuf3,EFileStream|EFileWrite);
   296 	        TestRet(r);
   297             sum3=0L;
   298             }
   299         if ((Math::Rand(seedL)&0x1f0)==0x1f0)
   300             {
   301             test.Printf(_L("  REPLACE F4"));
   302 			TheFile4.Close();
   303 			r=TheFile4.Replace(TheFs,nameBuf4,EFileStream|EFileWrite);
   304 	        TestRet(r);
   305             sum4=0L;
   306             }
   307         if ((Math::Rand(seedL)&0x1f0)==0x1f0)
   308             {
   309             test.Printf(_L("  TRUNCATE F3 to zero"));
   310 			r=TheFile3.SetSize(0);
   311 	        TestRet(r);
   312             sum3=0L;
   313             }
   314         if ((Math::Rand(seedL)&0x1f0)==0x1f0)
   315             {
   316             test.Printf(_L("  TRUNCATE F4 to zero"));
   317 			r=TheFile4.SetSize(0);
   318 	        TestRet(r);
   319             sum4=0L;
   320             }
   321         if ((Math::Rand(seedL)&0x70)==0x70)
   322             {
   323 			sum3=Math::Rand(seedL)&0x3fff;
   324             test.Printf(_L("  SET SIZE F3 to %u"),sum3);
   325 			r=TheFile3.SetSize(sum3);
   326 	        TestRet(r);
   327 			TInt pos=0;
   328 			r=TheFile3.Seek(ESeekEnd,pos);
   329 	        TestRet(r);
   330 			test(pos==sum3);
   331             }
   332         if ((Math::Rand(seedL)&0x70)==0x70)
   333             {
   334 			sum4=Math::Rand(seedL)&0x3fff;
   335             test.Printf(_L("  SET SIZE F4 to %u"),sum4);
   336 			r=TheFile4.SetSize(sum4);
   337 	        TestRet(r);
   338 			TInt pos=0;
   339 			r=TheFile4.Seek(ESeekEnd,pos);
   340 	        TestRet(r);
   341 			test(pos==sum4);
   342             }
   343         if ((Math::Rand(seedL)&0x70)==0x70)
   344             {
   345             test.Printf(_L("  CHECKING F1"));
   346             TInt pos=0;
   347 			r=TheFile1.Seek(ESeekStart,pos);
   348 	        TestRet(r);
   349 			test(pos==0);
   350             TInt sum=0;
   351 			buf.Fill('A',0x200);
   352             do
   353                 {
   354 				r=TheFile1.Read(chkPat);
   355 				TestRet(r);
   356 				if (chkPat.Length()<chkPat.MaxLength())
   357 					buf.SetLength(chkPat.Length());
   358 				test(buf==chkPat);
   359                 sum+=chkPat.Length();
   360                 } while (chkPat.Length()==chkPat.MaxLength());
   361             test(sum==sum1);
   362             }
   363         if ((Math::Rand(seedL)&0x70)==0x70)
   364             {
   365             test.Printf(_L("  CHECKING F2"));
   366             TInt pos=0;
   367 			r=TheFile2.Seek(ESeekStart,pos);
   368 			TestRet(r);
   369 			test(pos==0);
   370             TInt sum=0;
   371 			sBuf.Set(TheFile2);
   372             FOREVER
   373                 {
   374 				r=sBuf.Read(chkPat);
   375 				if (r!=KErrNone)
   376 					{
   377 					if (r==KErrEof)
   378 						break;
   379 					test.Panic(r,_L("Read text failed"));
   380 					}
   381 				testPat2.SetLength(chkPat.Length());
   382                 test(chkPat==testPat2);
   383                 sum+=chkPat.Length();
   384                 }
   385 			testPat2.SetLength(testPat2.MaxLength());
   386             test(sum==sum2);
   387             }
   388         if ((Math::Rand(seedL)&0x70)==0x70)
   389             {
   390 			pBuf.Zero();
   391 			pBuf.Format(_L("  CHECKING F3 "));
   392 			TheFile3.Close();
   393 			TEntry e;
   394 			r=TheFs.Entry(nameBuf3,e);
   395 			TestRet(r);
   396 			pBuf.AppendFormat(_L("Info=%u sum3=%u"),e.iSize,sum3);
   397 			test.Printf(pBuf);
   398 			r=TheFile3.Open(TheFs,nameBuf3,EFileStream|EFileWrite);
   399 			TestRet(r);
   400             TInt pos=0;
   401 			r=TheFile3.Seek(ESeekEnd,pos);
   402 			TestRet(r);
   403 			test(pos==sum3);
   404             }
   405         if ((Math::Rand(seedL)&0x70)==0x70)
   406             {
   407 			pBuf.Format(_L("  CHECKING F4 "));
   408 			TheFile4.Close();
   409 			TEntry e;
   410 			r=TheFs.Entry(nameBuf4,e);
   411 			TestRet(r);
   412 			pBuf.AppendFormat(_L("Info=%u sum4=%u"),e.iSize,sum4);
   413 			test.Printf(pBuf);
   414 			r=TheFile4.Open(TheFs,nameBuf4,EFileStream|EFileWrite);
   415 			TestRet(r);
   416             TInt pos=sum4;
   417 			r=TheFile4.Seek(ESeekStart,pos);
   418 			TestRet(r);
   419 			test(pos==sum4);
   420             }
   421         if ((Math::Rand(seedL)&0x1f0)==0x1f0)
   422             {
   423             test.Printf(_L("  CHECKING F5"));
   424 			r=TheFile5.Open(TheFs,nameBuf5,EFileStreamText|EFileWrite);
   425 			TestRet(r);
   426 			TInt64 seed=KInitialSeed5;
   427             TInt sum=0;
   428 			sBuf.Set(TheFile5);
   429             FOREVER
   430                 {
   431 				chkPat.Format(_L8("%8x"),Math::Rand(seed));
   432 				r=sBuf.Read(testPat5);
   433 				if (r!=KErrNone)
   434 					{
   435 					if (r==KErrEof)
   436 						break;
   437 					test.Panic(r,_L("Read text failed"));
   438 					}
   439 				test(testPat5.Length()==8);
   440                 sum+=testPat5.Length();
   441                 test(chkPat==testPat5);
   442                 }
   443             test(sum==sum5);
   444 			TheFile5.Close();
   445             }
   446         }
   447 	TheFile1.Close();
   448 	TheFile2.Close();
   449 	TheFile3.Close();
   450 	TheFile4.Close();
   451 	TheFs.Delete(nameBuf1);
   452 	TheFs.Delete(nameBuf2);
   453 	TheFs.Delete(nameBuf3);
   454 	TheFs.Delete(nameBuf4);
   455 	TheFs.Delete(nameBuf5);
   456 	
   457 	TTime endTimeC;
   458 	endTimeC.HomeTime();
   459 	TTimeIntervalSeconds timeTakenC;
   460 	r=endTimeC.SecondsFrom(timerC,timeTakenC);
   461 	TestRet(r);
   462 	test.Printf(_L("Time taken for test = %d secs\n"),timeTakenC.Int());
   463 	}