Subversion Repositories openrisc

//=================================================================
//
//        rand2.c
//
//        Testcase for C library rand()
//
//=================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####                                            
// -------------------------------------------                              
// This file is part of eCos, the Embedded Configurable Operating System.   
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under    
// the terms of the GNU General Public License as published by the Free     
// Software Foundation; either version 2 or (at your option) any later      
// version.                                                                 
//
// eCos is distributed in the hope that it will be useful, but WITHOUT      
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
// for more details.                                                        
//
// You should have received a copy of the GNU General Public License        
// along with eCos; if not, write to the Free Software Foundation, Inc.,    
// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
//
// As a special exception, if other files instantiate templates or use      
// macros or inline functions from this file, or you compile this file      
// and link it with other works to produce a work based on this file,       
// this file does not by itself cause the resulting work to be covered by   
// the GNU General Public License. However the source code for this file    
// must still be made available in accordance with section (3) of the GNU   
// General Public License v2.                                               
//
// This exception does not invalidate any other reasons why a work based    
// on this file might be covered by the GNU General Public License.         
// -------------------------------------------                              
// ####ECOSGPLCOPYRIGHTEND####                                              
//=================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     ctarpy, jlarmour
// Contributors:  
// Date:          2000-04-30
// Description:   Contains testcode for C library rand() function
//
//
//####DESCRIPTIONEND####
 
// INCLUDES
 
#include <pkgconf/system.h>
#include <pkgconf/libc_stdlib.h>   // CYGNUM_LIBC_RAND_SEED
#include <stdlib.h>
#include <cyg/infra/testcase.h>
 
 
// FUNCTIONS
 
static void
test( CYG_ADDRWORD data )
{
    static int rand_data1[100];
    static int rand_data2[100];
    int count;
    int fail=0;
 
    // Test that rand starts with the seed as CYGNUM_LIBC_RAND_SEED
 
    for ( count=0; count < 100; ++count ) {
        rand_data1[count] = rand();
    } // for
 
    // set seed to CYGNUM_LIBC_RAND_SEED
    srand(CYGNUM_LIBC_RAND_SEED);
 
    for ( count=0; count < 100; ++count ) {
        rand_data2[count] = rand();
    } // for
 
    for ( count=0; count < 100; ++count ) {
        if (rand_data1[count] != rand_data2[count])
            ++fail;
    } // for
 
    CYG_TEST_PASS_FAIL(fail==0, "rand() has seed initialised to "
                       "CYGNUM_LIBC_RAND_SEED");
 
    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C "
                    "library rand() function");
} // test()
 
#ifndef CYGPKG_LIBC_STARTUP
void cyg_user_start(void)
#else
int
main( int argc, char *argv[] )
#endif
{
    CYG_TEST_INIT();
 
    CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C "
                  "library rand() function");
 
    test(0);
 
    CYG_TEST_NA("Testing is not applicable to this configuration");
} // main()
 
 
// EOF rand2.c