lltest.c

Netscape NSPR库源码

    LL_OR( result, bigMinusNumber, bigZero );
    if ( !LL_UCMP( result, ==, bigMinusNumber ))
        ResultFailed( "LL_OR", "-n | 0", bigMinusNumber, result );
    
    /* test XOR */
    LL_XOR( result, bigZero, bigZero );
    if ( LL_UCMP( result, !=, bigZero ))
        ResultFailed( "LL_XOR", "0 ^ 0", bigZero, result);
    
    LL_XOR( result, bigOne, bigZero );
    if ( LL_UCMP( result, !=, bigOne ))
        ResultFailed( "LL_XOR", "1 ^ 0", bigZero, result );
        
    LL_XOR( result, bigMinusNumber, bigZero );
    if ( LL_UCMP( result, !=, bigMinusNumber ))
        ResultFailed( "LL_XOR", "-n ^ 0", bigMinusNumber, result );
    
    LL_XOR( result, bigMinusNumber, bigMinusNumber );
    if ( LL_UCMP( result, !=, bigZero ))
        ResultFailed( "LL_XOR", "-n ^ -n", bigMinusNumber, result);
        
    /* test OR2.  */
    result = bigZero;
    LL_OR2( result, bigOne );
    if ( LL_UCMP( result, !=, bigOne ))
        ResultFailed( "LL_OR2", "(r=0) |= 1", bigOne, result);
        
    result = bigOne;
    LL_OR2( result, bigNumber );
    if ( LL_UCMP( result, !=, bigNumber ))
        ResultFailed( "LL_OR2", "(r=1) |= n", bigNumber, result);

    result = bigMinusNumber;
    LL_OR2( result, bigMinusNumber );
    if ( LL_UCMP( result, !=, bigMinusNumber ))
        ResultFailed( "LL_OR2", "(r=-n) |= -n", bigMinusNumber, result);

    /* test NOT */
    LL_NOT( result, bigMinusNumber);
    LL_NOT( result2, result);
    if ( LL_UCMP( result2, !=, bigMinusNumber ))
        ResultFailed( "LL_NOT", "r != ~(~-n)", bigMinusNumber, result);
            
    /* test Negation */
    LL_NEG( result, bigMinusNumber );
    LL_NEG( result2, result );
    if ( LL_CMP( result2, !=, bigMinusNumber ))
        ResultFailed( "LL_NEG", "r != -(-(-n))", bigMinusNumber, result);

    return;
}



/*
**  TestConversion() -- Test Conversion Operations
**
*/
static void
TestConversion( void )
{
    PRInt64     result;
    PRInt64     resultU;
    PRInt32     result32;
    PRUint32    resultU32;
    float       resultF;
    PRFloat64   resultD;
    
    ReportProgress("Testing Conversion Operations\n");
    
    /* LL_L2I  -- Convert to signed 32bit */
    LL_L2I(result32, bigOne );
    if ( result32 != one )  
        SetFailed( "LL_L2I", "r != 1");
    
    LL_L2I(result32, bigMinusOne );
    if ( result32 != minusOne )  
        SetFailed( "LL_L2I", "r != -1");
    
    /* LL_L2UI -- Convert 64bit to unsigned 32bit */
    LL_L2UI( resultU32, bigMinusOne );
    if ( resultU32 != (PRUint32) minusOne )
        SetFailed( "LL_L2UI", "r != -1");
    
    LL_L2UI( resultU32, bigOne );
    if ( resultU32 != (PRUint32) one )
        SetFailed( "LL_L2UI", "r != 1");
        
    /* LL_L2F  -- Convert to 32bit floating point */
    LL_L2F( resultF, bigOne );
    if ( resultF != 1.0 )
        SetFailed( "LL_L2F", "r != 1.0");
        
    LL_L2F( resultF, bigMinusOne );
    if ( resultF != -1.0 )
        SetFailed( "LL_L2F", "r != 1.0");
    
    /* LL_L2D  -- Convert to 64bit floating point */
    LL_L2D( resultD, bigOne );
    if ( resultD != 1.0L )
        SetFailed( "LL_L2D", "r != 1.0");
        
    LL_L2D( resultD, bigMinusOne );
    if ( resultD != -1.0L )
        SetFailed( "LL_L2D", "r != -1.0");
        
    /* LL_I2L  -- Convert 32bit signed to 64bit signed */
    LL_I2L( result, one );
    if ( LL_CMP(result, !=, bigOne ))
        SetFailed( "LL_I2L", "r != 1");
        
    LL_I2L( result, minusOne );
    if ( LL_CMP(result, !=, bigMinusOne ))
        SetFailed( "LL_I2L", "r != -1");
        
    /* LL_UI2L -- Convert 32bit unsigned to 64bit unsigned */
    LL_UI2L( resultU, (PRUint32) one );
    if ( LL_CMP(resultU, !=, bigOne ))
        SetFailed( "LL_UI2L", "r != 1");
        
    /* [lth.] This did not behave as expected, but it is correct 
    */
    LL_UI2L( resultU, (PRUint32) minusOne );
    if ( LL_CMP(resultU, !=, bigZeroFox ))
        ResultFailed( "LL_UI2L", "r != -1", bigZeroFox, resultU);
        
    /* LL_F2L  -- Convert 32bit float to 64bit signed */
    LL_F2L( result, 1.0 );
    if ( LL_CMP(result, !=, bigOne ))
        SetFailed( "LL_F2L", "r != 1");
        
    LL_F2L( result, -1.0 );
    if ( LL_CMP(result, !=, bigMinusOne ))
        SetFailed( "LL_F2L", "r != -1");
    
    /* LL_D2L  -- Convert 64bit Float to 64bit signed */
    LL_D2L( result, 1.0L );
    if ( LL_CMP(result, !=, bigOne ))
        SetFailed( "LL_D2L", "r != 1");
        
    LL_D2L( result, -1.0L );
    if ( LL_CMP(result, !=, bigMinusOne ))
        SetFailed( "LL_D2L", "r != -1");

    return;
}

static void ShiftCompileOnly()
{
    /*
    ** This function is only compiled, never called.
    ** The real test is to see if it compiles w/o
    ** warnings. This is no small feat, by the way.
    */
    PRInt64 ia, ib;
    PRUint64 ua, ub;
    LL_SHR(ia, ib, 32);
    LL_SHL(ia, ib, 32);

    LL_USHR(ua, ub, 32);
    LL_ISHL(ia, 49, 32);

}  /* ShiftCompileOnly */
   

/*
**  TestShift() -- Test Shifting Operations
**
*/
static void
TestShift( void )
{
    static const PRInt64 largeTwoZero = LL_INIT( 0x00000002, 0x00000000 );
    PRInt64     result;
    PRUint64    resultU;

    ReportProgress("Testing Shifting Operations\n");
    
    /* LL_SHL  -- Shift left algebraic */
    LL_SHL( result, bigOne, one );
    if ( LL_CMP( result, !=, bigTwo ))
        ResultFailed( "LL_SHL", "r != 2", bigOne, result );
    
    LL_SHL( result, bigTwo, thirtyTwo );
    if ( LL_CMP( result, !=, largeTwoZero ))
        ResultFailed( "LL_SHL", "r != twoZero", largeTwoZero, result);
    
    /* LL_SHR  -- Shift right algebraic */
    LL_SHR( result, bigFoxZero, thirtyTwo );
    if ( LL_CMP( result, !=, bigMinusOne ))
        ResultFailed( "LL_SHR", "r != -1", bigMinusOne, result);
    
    LL_SHR( result, bigTwo, one );
    if ( LL_CMP( result, !=, bigOne ))
        ResultFailed( "LL_SHR", "r != 1", bigOne, result);

    LL_SHR( result, bigFoxFox, thirtyTwo );
    if ( LL_CMP( result, !=, bigMinusOne ))
        ResultFailed( "LL_SHR", "r != -1 (was ff,ff)", bigMinusOne, result);
    
    /* LL_USHR -- Logical shift right */
    LL_USHR( resultU, bigZeroFox, thirtyTwo );
    if ( LL_UCMP( resultU, !=, bigZero ))
        ResultFailed( "LL_USHR", "r != 0 ", bigZero, result);
    
    LL_USHR( resultU, bigFoxFox, thirtyTwo );
    if ( LL_UCMP( resultU, !=, bigZeroFox ))
        ResultFailed( "LL_USHR", "r != 0 ", bigZeroFox, result);
    
    /* LL_ISHL -- Shift a 32bit integer into a 64bit result */
    LL_ISHL( resultU, minusOne, thirtyTwo );
    if ( LL_UCMP( resultU, !=, bigFoxZero ))
        ResultFailed( "LL_ISHL", "r != ff,00 ", bigFoxZero, result);
    
    LL_ISHL( resultU, one, sixtyThree );
    if ( LL_UCMP( resultU, !=, bigEightZero ))
        ResultFailed( "LL_ISHL", "r != 80,00 ", bigEightZero, result);
    
    LL_ISHL( resultU, one, sixteen );
    if ( LL_UCMP( resultU, !=, big64K ))
        ResultFailed( "LL_ISHL", "r != 64K ", big64K, resultU);
    
    return;
}    


/*
**  TestArithmetic() -- Test arithmetic operations.
**
*/
static void
TestArithmetic( void )
{
    PRInt64 largeVal          = LL_INIT( 0x00000001, 0xffffffff );
    PRInt64 largeValPlusOne   = LL_INIT( 0x00000002, 0x00000000 );
    PRInt64 largeValTimesTwo  = LL_INIT( 0x00000003, 0xfffffffe );
    PRInt64 largeMultCand     = LL_INIT( 0x00000000, 0x7fffffff );
    PRInt64 largeMinusMultCand = LL_INIT( 0xffffffff, 0x10000001 );
    PRInt64 largeMultCandx64K = LL_INIT( 0x00007fff, 0xffff0000 );
    PRInt64 largeNumSHL5      = LL_INIT( 0x0000001f, 0xffffffe0 );        
    PRInt64 result, result2;

    /* Addition */    
    LL_ADD( result, bigOne, bigOne );
    if ( LL_CMP( result, !=, bigTwo ))
        ResultFailed( "LL_ADD", "r != 1 + 1", bigTwo, result);

    LL_ADD( result, bigMinusOne, bigOne );
    if ( LL_CMP( result, !=, bigZero ))
        ResultFailed( "LL_ADD", "r != -1 + 1", bigOne, result);

    LL_ADD( result, largeVal, bigOne );
    if ( LL_CMP( result, !=, largeValPlusOne ))
        ResultFailed( "LL_ADD", "lVP1 != lV + 1", largeValPlusOne, result);
            
    /* Subtraction */
    LL_SUB( result, bigOne, bigOne );
    if ( LL_CMP( result, !=, bigZero ))
        ResultFailed( "LL_SUB", "r != 1 - 1", bigZero, result);
            
    LL_SUB( result, bigTwo, bigOne );
    if ( LL_CMP( result, !=, bigOne ))
        ResultFailed( "LL_SUB", "r != 2 - 1", bigOne, result);
            
    LL_SUB( result, largeValPlusOne, bigOne );
    if ( LL_CMP( result, !=, largeVal ))
        ResultFailed( "LL_SUB", "r != lVP1 - 1", largeVal, result);
            
    
    /* Multiply */
    LL_MUL( result, largeVal, bigTwo );
    if ( LL_CMP( result, !=, largeValTimesTwo ))
        ResultFailed( "LL_MUL", "r != lV*2", largeValTimesTwo, result);
    
    LL_MUL( result, largeMultCand, big64K );
    if ( LL_CMP( result, !=, largeMultCandx64K ))
        ResultFailed( "LL_MUL", "r != lV*64K", largeMultCandx64K, result);
        
    LL_NEG( result2, largeMultCand );
    LL_MUL( result, largeMultCand, bigMinusOne );
    if ( LL_CMP( result, !=, result2  ))
        ResultFailed( "LL_MUL", "r != -lMC", result2, result);

    LL_SHL( result2, bigZeroFox, 5);
    LL_MUL( result, bigZeroFox, bigThirtyTwo );
    if ( LL_CMP( result, !=, largeNumSHL5  ))
        ResultFailed( "LL_MUL", "r != 0f<<5", largeNumSHL5, result );

    

    /* LL_DIV() Division */
    LL_DIV( result, bigOne, bigOne);
    if ( LL_CMP( result, !=, bigOne ))
        ResultFailed( "LL_DIV", "1 != 1", bigOne, result);
    
    LL_DIV( result, bigNumber, bigOne );
    if ( LL_CMP( result, !=, bigNumber  ))
        ResultFailed( "LL_DIV", "r != n / 1", bigNumber, result);

    LL_DIV( result, bigNumber, bigMinusOne );
    if ( LL_CMP( result, !=, bigMinusNumber  ))
        ResultFailed( "LL_DIV", "r != n / -1", bigMinusNumber, result);

    LL_DIV( result, bigMinusNumber, bigMinusOne );
    if ( LL_CMP( result, !=, bigNumber  ))
        ResultFailed( "LL_DIV", "r != -n / -1", bigNumber, result);
        
    LL_SHL( result2, bigZeroFox, 5 );
    LL_DIV( result, result2, bigOne );
    if ( LL_CMP( result, !=, result2  ))
        ResultFailed( "LL_DIV", "0f<<5 != 0f<<5", result2, result);
    
    LL_SHL( result2, bigZeroFox, 5 );
    LL_NEG( result2, result2 );
    LL_DIV( result, result2, bigOne );
    if ( LL_CMP( result, !=, result2  ))
        ResultFailed( "LL_DIV", "-0f<<5 != -0f<<5", result2, result);
    
    LL_SHL( result2, bigZeroFox, 17 );
    LL_DIV( result, result2, bigMinusOne );
    LL_NEG( result2, result2 );
    if ( LL_CMP( result, !=, result2  ))
        ResultFailed( "LL_DIV", "-0f<<17 != -0f<<17", result2, result);
    
    
    /* LL_MOD() Modulo Division */
    LL_ADD( result2, bigThirtyTwo, bigOne );
    LL_MOD( result, result2, bigSixTeen );
    if ( LL_CMP( result, !=, bigOne ))
        ResultFailed( "LL_MOD", "r != 1", bigSixTeen, result);
    
    
    LL_MUL( result2, bigZeroFox, bigThirtyTwo );
    LL_ADD( result2, result2, bigSixTeen);
    LL_MOD( result, result2, bigThirtyTwo );
    if ( LL_CMP( result, !=, bigSixTeen ))
        ResultFailed( "LL_MOD", "r != 16", bigSixTeen, result);

    /* LL_UDIVMOD */
    LL_DIV( result, bigOne, bigOne);
    if ( LL_CMP( result, !=, bigOne ))
        ResultFailed( "LL_DIV", "r != 16", bigSixTeen, result);
    

    return;
} 

static void TestWellknowns(void)
{
    PRInt64 max = LL_MAXINT, min = LL_MININT, zero = LL_ZERO;
    PRInt64 mmax = LL_MaxInt(), mmin = LL_MinInt(), mzero = LL_Zero();
    if (LL_NE(max, mmax))
        ResultFailed( "max, mmax", "max != mmax", max, mmax);
    if (LL_NE(min, mmin))
        ResultFailed( "min, mmin", "min != mmin", max, mmin);
    if (LL_NE(zero, mzero))
        ResultFailed( "zero, mzero", "zero != mzero", zero, mzero);
}  /* TestWellknowns */ 

/*
** Initialize() -- Initialize the test case
**
** Parse command line options
**
*/
static PRIntn
Initialize( PRIntn argc, char **argv )
{
    PLOptState *opt = PL_CreateOptState(argc, argv, "dvh");
    PLOptStatus os;

    /*
    ** Parse command line options
    */    
    while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
    {
        if (PL_OPT_BAD == os) continue;
        switch (opt->option)
        {
        case 'd':  /* set debug mode */
            debugMode = PR_TRUE;
            break;
            
        case 'v':  /* set verbose mode */
            verboseMode = PR_TRUE;
            debugMode = PR_TRUE;
            break;
            
        case 'h':  /* user wants some guidance */
        default:
            PR_fprintf(output, "You get help.\n");
            return(1);
        }
    }
    PL_DestroyOptState(opt);
    return(0);
}    

PRIntn main( int argc, char **argv )
{
    PR_STDIO_INIT();
    output = PR_GetSpecialFD(PR_StandardError);

    if ( Initialize( argc, argv ))
        return(1);

    TestAssignment();
    TestComparisons();
    TestLogicalOperations();
    TestConversion();
    TestShift();
    TestArithmetic();
    TestWellknowns();
    
    /*
    ** That's all folks!
    */
    if ( failedAlready )
    {
        PR_fprintf(output, "FAIL\n");\
    } 
    else
    {
        PR_fprintf(output, "PASS\n");\
    }
    return failedAlready;
} /* end main() */