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//=================================================================

//

//        rand2.c

//

//        Testcase for C library rand()

//

//=================================================================

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//=================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):     ctarpy, jlarmour

// Contributors:  

// Date:          2000-04-30

// Description:   Contains testcode for C library rand() function

//

//

//####DESCRIPTIONEND####

// INCLUDES

#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()

int

main(int argc, char *argv[])

{

    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