genericopenlibs/cstdlib/TSTLIB/T_StdlibDefect.cpp
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     1 // Copyright (c) 2005-2009 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 "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 //
       
    15 
       
    16 #include <string.h>
       
    17 #include <e32test.h> //this includes e32cmn.h
       
    18 #include <e32debug.h>
       
    19 
       
    20 #include <sys/types.h>
       
    21 #include <sys/socket.h>
       
    22 #include <sys/ioctl.h>
       
    23 #include <libc/netinet/in.h>
       
    24 #include <libc/arpa/inet.h>
       
    25 #include <limits.h>
       
    26 
       
    27 #include <sys/errno.h>
       
    28 #include <stdlib.h>
       
    29 #include <math.h>
       
    30 
       
    31 LOCAL_D RTest				TheTest (_L("T_StdlibDefect"));
       
    32 //
       
    33 //
       
    34 //Test macroses and functions
       
    35 
       
    36 static void Check(TInt aValue, TInt aLine)
       
    37 	{
       
    38 	if(!aValue)
       
    39 		{
       
    40 		TheTest(EFalse, aLine);
       
    41 		}
       
    42 	}
       
    43 static  void Check(TInt aValue, TInt aExpected, TInt aLine)
       
    44 	{
       
    45 	if(aValue != aExpected)
       
    46 		{
       
    47 		RDebug::Print(_L("*** Expected error: %d, got: %d\r\n"), aExpected, aValue);
       
    48 		TheTest(EFalse, aLine);
       
    49 		}
       
    50 	}
       
    51 #define TEST(arg) ::Check((arg), __LINE__)
       
    52 #define TEST2(aValue, aExpected) ::Check(aValue, aExpected, __LINE__) 
       
    53 
       
    54 
       
    55 
       
    56 const TInt KTestDataLen = 10000;
       
    57 const TInt KTestIterations = 1000;
       
    58 
       
    59 #ifdef __ARMCC__
       
    60 const TInt KMinCharARMCC = 0;
       
    61 const TInt KMaxCharARMCC = 255;
       
    62 #else
       
    63 const TInt KMinCharNoARMCC = -128;
       
    64 const TInt KMaxCharNoARMCC = 127;
       
    65 #endif
       
    66 
       
    67 /**
       
    68 DEF062679  : memcpy in stdlib is slow
       
    69 */ 
       
    70 void Defect_DEF062679_memcpy()
       
    71 	{
       
    72 
       
    73 	TUint8* src1 = new TUint8[KTestDataLen];
       
    74 	TEST(src1 != NULL);
       
    75 	Mem::Fill(src1, KTestDataLen, 'A');
       
    76 	
       
    77 	TUint8* dst1 = new TUint8[KTestDataLen];
       
    78 	TEST(dst1 != NULL);
       
    79 
       
    80 	TTime startTime, stopTime;
       
    81 	TInt i;
       
    82 	//Loop to check time spent using Mem::Copy
       
    83 	startTime.UniversalTime();
       
    84 	for(i=0; i<KTestIterations ; i++)
       
    85 		Mem::Copy(dst1, src1, KTestDataLen );
       
    86 	stopTime.UniversalTime();
       
    87 	TTimeIntervalMicroSeconds timeTaken = stopTime.MicroSecondsFrom(startTime);
       
    88 	TheTest.Printf(_L("Time taken using Mem::Copy :%d microseconds\n"), timeTaken.Int64() );
       
    89 	
       
    90 	//Loop to check the time spent using memcpy after the change
       
    91 	startTime.UniversalTime();
       
    92 	for(i=0; i<KTestIterations ; i++)
       
    93 		memcpy(dst1, src1, KTestDataLen );
       
    94 	stopTime.UniversalTime();
       
    95 	TTimeIntervalMicroSeconds timeTaken2 = stopTime.MicroSecondsFrom(startTime);
       
    96 	TheTest.Printf(_L("Time taken using  memcpy: %d microseconds\n"), timeTaken2.Int64() );
       
    97 	TheTest.Printf(_L("Time taken using  memcpy before the change about 613125 microseconds\n"));
       
    98 
       
    99 	//Test memcpy works fine
       
   100 	for(i=0; i<KTestIterations ; i++)
       
   101 		TEST(dst1[i] == src1[i]);
       
   102 
       
   103 	delete [] src1;
       
   104 	delete [] dst1;
       
   105 	
       
   106 	}
       
   107 	
       
   108 	
       
   109 	
       
   110 	
       
   111 /**
       
   112 DEF062679  : memcpy in stdlib is slow
       
   113 */ 
       
   114 void Defect_DEF062679_memcmp()
       
   115 	{
       
   116 
       
   117 	TUint8* str1 = new TUint8[KTestDataLen];
       
   118 	TEST(str1 != NULL);
       
   119 	Mem::Fill(str1, KTestDataLen, 'A');
       
   120 	
       
   121 	TUint8* str2 = new TUint8[KTestDataLen];
       
   122 	TEST(str2 != NULL);
       
   123 	Mem::Fill(str2, KTestDataLen, 'A');
       
   124 	
       
   125 	TTime startTime, stopTime;
       
   126 	
       
   127 	//Loop to check the time using Mem::Copy
       
   128 	startTime.UniversalTime();
       
   129 	TInt i,ret;
       
   130 	for(i=0; i<KTestIterations ; i++)
       
   131 		ret = Mem::Compare(str2,KTestDataLen, str1, KTestDataLen );
       
   132 	stopTime.UniversalTime();
       
   133 	TTimeIntervalMicroSeconds timeTaken = stopTime.MicroSecondsFrom(startTime);
       
   134 	TheTest.Printf(_L("Time taken using Mem::Compare :%ld microseconds\n"), timeTaken.Int64() );
       
   135 	
       
   136 	//Loop to check the time spent using memcpy after the change
       
   137 	startTime.UniversalTime();
       
   138 	
       
   139 	for(i=0; i<KTestIterations ; i++)
       
   140 		ret = memcmp(str2,str1, KTestDataLen );
       
   141 	TEST(ret==0); //check that memcmp works fine	
       
   142 	stopTime.UniversalTime();
       
   143 	TTimeIntervalMicroSeconds timeTaken2 = stopTime.MicroSecondsFrom(startTime);
       
   144 	TheTest.Printf(_L("Time taken using  memcmp: %ld microseconds\n"), timeTaken2.Int64() );
       
   145 	
       
   146 	TheTest.Printf(_L("Time taken using  memcmp before changes 1007000 microseconds\n"));
       
   147 	
       
   148 
       
   149 	//Test memcmp works fine
       
   150 	
       
   151 	TUint8* str3 = new TUint8[KTestDataLen];
       
   152 	TEST(str3 != NULL);
       
   153 	Mem::Fill(str3, KTestDataLen, 'B');
       
   154 	ret = memcmp(str3, str1, KTestDataLen);
       
   155 	TEST(ret>0);
       
   156 	ret = memcmp(str1, str3, KTestDataLen);
       
   157 	TEST(ret<0);
       
   158 	
       
   159 	delete str1;
       
   160 	delete str2;
       
   161 	delete str3;
       
   162 	}	
       
   163 
       
   164 /**
       
   165 INC073740: inet_addr and inet_aton returns wrong results with invalid input on STDLIB
       
   166 */ 
       
   167 void Defect_INC073740()
       
   168 	{
       
   169 	TheTest.Next(_L("INC073740: inet_addr and inet_aton returns wrong results with invalid input on STDLIB"));
       
   170 	
       
   171 	int err;
       
   172 	struct in_addr iaddr;	
       
   173 	char* good_addr="16.33.50.67";
       
   174 	char* bad_addr="256.33.50.67";
       
   175 	char* worse_addr="16.1456.50.67";
       
   176 	char* worst_addr="16.33.333333.67";
       
   177 	
       
   178 	err=inet_aton(good_addr, &iaddr);
       
   179 	TEST2(err, 1);
       
   180 
       
   181 	err=inet_aton(bad_addr, &iaddr);
       
   182 	TEST2(err, 0);
       
   183 
       
   184 	err=inet_aton(worse_addr, &iaddr);
       
   185 	TEST2(err, 0);
       
   186 
       
   187 	err=inet_aton(worst_addr, &iaddr);
       
   188 	TEST2(err, 0);
       
   189 	}
       
   190 
       
   191 /**
       
   192 @SYMTestCaseID         	SYSLIB-STDLIB-CT-1863
       
   193 @SYMTestCaseDesc        Tests for minimum and maximum values type "char" with ARMCC macro
       
   194 @SYMTestPriority        High
       
   195 @SYMTestActions         Tests for checking minimum and maximum values for a variable of type "char"
       
   196 @SYMTestExpectedResults Tests must not fail
       
   197 @SYMDEF                 PDEF091928
       
   198 */ 
       
   199 void Defect_PDEF091928()
       
   200 	{
       
   201 	TheTest.Next(_L(" @SYMTestCaseID:SYSLIB-STDLIB-CT-1863 PDEF091928: limits.h not correct for ARM RVCT compiler "));
       
   202 	
       
   203 	char charmn=CHAR_MIN;
       
   204 	char charmx=CHAR_MAX;
       
   205 	
       
   206 #ifdef __ARMCC__
       
   207 	
       
   208 	TEST2(charmn, KMinCharARMCC);
       
   209 	TEST2(charmx, KMaxCharARMCC);
       
   210 	
       
   211 #else
       
   212 
       
   213 	TEST2(charmn, KMinCharNoARMCC);
       
   214 	TEST2(charmx, KMaxCharNoARMCC);
       
   215 
       
   216 #endif
       
   217 	}
       
   218 
       
   219 /**
       
   220 @SYMTestCaseID         	SYSLIB-STDLIB-UT-3612
       
   221 @SYMTestCaseDesc        Tests for __errno().
       
   222 @SYMTestPriority        Normal
       
   223 @SYMTestActions         Tests for __errno(). Test whether it is correctly exported and functioning 
       
   224 						as expected after being declared with IMPORT_C. 
       
   225 @SYMTestExpectedResults Tests must not fail
       
   226 @SYMDEF                 DEF110593
       
   227 */ 
       
   228 void Defect_DEF110593()
       
   229 	{
       
   230 	TheTest.Next(_L(" @SYMTestCaseID:SYSLIB-STDLIB-UT-3612 DEF110593: IMPORT_C/EXPORT_C: ERRNO.H "));
       
   231 
       
   232 	// randomly selected 24 macros from errno.h
       
   233 	const int errMacros[24] =
       
   234 		{
       
   235 		EPERM,		ENOENT,		ESRCH,		EINTR,		EIO,
       
   236 		EBADF,		ENOMEM,		EFAULT,		EBUSY,		ENOTDIR,
       
   237 		ENFILE,		ESPIPE,		ERANGE,		ENOMSG,		EDEADLK,
       
   238 		ENOLCK,		ENOTSOCK,	ENOLINK,	EBADMSG,	ENOTUNIQ,
       
   239 		EBADFD,		ENOSYS,		EILSEQ, 	__ELASTERROR
       
   240 		};
       
   241 	
       
   242 	// Step 1: setting errno using assign "=", test value returned by errno
       
   243 	errno = 0;
       
   244 	TEST(errno == 0);
       
   245 	
       
   246 	int i;
       
   247 	for (i = 0; i < 24; i++)
       
   248 		{
       
   249 		errno = errMacros[i];
       
   250 		TEST(errno == errMacros[i]);
       
   251 		}
       
   252 	
       
   253 	// Step 2: setting errno using the library globals struct, test value returned by errno
       
   254 	struct _reent *r = _REENT2;
       
   255 	r->_errno = 0;
       
   256 	TEST(errno == 0);
       
   257 	
       
   258 	for (i = 0; i < 24; i++)
       
   259 		{
       
   260 		r->_errno = errMacros[i];
       
   261 		TEST(errno == errMacros[i]);
       
   262 		}
       
   263 	
       
   264 	r->_errno = 0;
       
   265 	TEST(errno == 0);
       
   266 	
       
   267 	// Step3: Test errno by using other C function in STDLIB
       
   268 	// Test using ldexp(double value, int exp);
       
   269 	// Giving val a huge number to make res overflow. errno should return ERANGE
       
   270 	double val = 1.5E+308;
       
   271 	int exp = 10;
       
   272 	ldexp(val, exp);
       
   273 	TEST(errno == ERANGE);
       
   274 		
       
   275 	//finish
       
   276 	CloseSTDLIB();	
       
   277 	}
       
   278 
       
   279 /**
       
   280 @SYMTestCaseID          SYSLIB-STDLIB-CT-4001
       
   281 @SYMTestCaseDesc        Test strtoul() with a string whose first character is '-' or '+'. 
       
   282 @SYMTestPriority        3. Medium
       
   283 @SYMTestActions         Test strtoul() with a string whose first character is '-' or '+'. 
       
   284 @SYMTestExpectedResults Tests must not fail
       
   285 @SYMDEF                 PDEF114447 
       
   286 */ 
       
   287 void Defect_PDEF114447 ()
       
   288     {
       
   289 	TheTest.Next(_L(" @SYMTestCaseID:SYSLIB-STDLIB-CT-4001 PDEF114447 : add the processing for '-' and '+' in a string passed to strtoul() "));
       
   290     
       
   291     unsigned long result;
       
   292     
       
   293     result = strtoul("+80", NULL, 10);    
       
   294     TEST2(result, 80);
       
   295 
       
   296     result = strtoul("-80", NULL, 10);    
       
   297     TEST2(result, -80);    
       
   298     }
       
   299 
       
   300 /**
       
   301 Calls ImpurePtr2() to allocate memory for the library globals struct then calls CloseSTDLIB() 
       
   302 to release it.
       
   303 Leaves if system-wide error occurs.
       
   304 */
       
   305 LOCAL_C void TestImpurePtrL()
       
   306 {
       
   307 	struct _reent * p = ImpurePtr2();
       
   308 	User::LeaveIfNull(p);
       
   309 	CloseSTDLIB();
       
   310 }
       
   311 
       
   312 /**
       
   313 @SYMTestCaseID         	SYSLIB-STDLIB-UT-4002
       
   314 @SYMTestCaseDesc        Test checks the constructor of CLocalSystemInterface does not panics in OOM test
       
   315 						or when error KErrNoMemory occurs.
       
   316 @SYMTestPriority        Normal
       
   317 @SYMTestActions         In an OOM test, repeats calling ImpurePtr2(), which creates CLocalSystemInterface instance. 
       
   318 @SYMTestExpectedResults The test program should not panic or fail.
       
   319 @SYMDEF                 DEF114383
       
   320 */ 
       
   321 LOCAL_C void Defect_DEF114383()
       
   322 	{
       
   323 	TheTest.Next(_L(" @SYMTestCaseID:SYSLIB-STDLIB-UT-4002 DEF114383: STDLIB, CLocalSystemInterface::CLocalSystemInterface() panics in OOM "));		
       
   324 	
       
   325 	TInt err=KErrNone;
       
   326 	TInt tryCount = 0;
       
   327 	do
       
   328 		{
       
   329 		__UHEAP_MARK;
       
   330 
       
   331 		__UHEAP_SETFAIL(RHeap::EDeterministic, ++tryCount);
       
   332 		TRAP(err, TestImpurePtrL());
       
   333 		__UHEAP_SETFAIL(RHeap::ENone, 0);
       
   334 		
       
   335 		if (err!=KErrNoMemory)
       
   336 			TEST(err == KErrNone);
       
   337 		
       
   338 		__UHEAP_MARKEND;
       
   339 		} while(err == KErrNoMemory);
       
   340 		
       
   341 	TEST(err == KErrNone);
       
   342 		
       
   343 	TheTest.Printf(_L("- ImpurePtr2() succeeded at heap failure rate of %i\n"), tryCount);
       
   344 	} 
       
   345 
       
   346 /**
       
   347 Invoke the tests
       
   348 */
       
   349 LOCAL_C void RunTestsL ()
       
   350     {
       
   351 	Defect_DEF062679_memcpy();
       
   352 	Defect_DEF062679_memcmp();
       
   353 
       
   354 	Defect_INC073740();
       
   355 	
       
   356 	Defect_PDEF091928();
       
   357 	
       
   358 	Defect_DEF110593(); 
       
   359 	
       
   360 	Defect_PDEF114447();
       
   361 
       
   362 	Defect_DEF114383();
       
   363 	}
       
   364 
       
   365 
       
   366 
       
   367 GLDEF_C TInt E32Main()
       
   368  {		
       
   369  		
       
   370 	CTrapCleanup* tc = CTrapCleanup::New();
       
   371 	TEST(tc != NULL);
       
   372 	
       
   373 	__UHEAP_MARK;
       
   374 
       
   375 	TheTest.Title();
       
   376 	TheTest.Start (_L("Defect Tests"));
       
   377 	TInt err;
       
   378 	TRAP(err, ::RunTestsL())
       
   379 	TEST2(err, KErrNone);
       
   380 
       
   381 	TheTest.End();
       
   382 	TheTest.Close();
       
   383 
       
   384 	delete tc;
       
   385 	__UHEAP_MARKEND;
       
   386 	
       
   387 	
       
   388 	
       
   389 	return(KErrNone);
       
   390 	
       
   391 	}
       
   392