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

//

//        malloc3.c

//

//        Testcase for C library malloc(), calloc() and free()

//

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

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

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

//

// Author(s):     jlarmour

// Contributors:  

// Date:          2000-04-30

// Description:   Contains testcode for C library malloc(), calloc() and

//                free() functions

//

//

//####DESCRIPTIONEND####

// INCLUDES

#include <pkgconf/system.h>    // Overall system configuration

#include <pkgconf/memalloc.h>  // config header

#ifdef CYGPKG_ISOINFRA

# include <pkgconf/isoinfra.h>

# include <stdlib.h>

#endif

#include <cyg/infra/testcase.h>

#if !defined(CYGPKG_ISOINFRA)

# define NA_MSG "Requires isoinfra package"

#elif !CYGINT_ISO_MAIN_STARTUP

# define NA_MSG "Requires main() to be called"

#elif !CYGINT_ISO_MALLOC

# define NA_MSG "Requires malloc"

#elif !CYGINT_ISO_MALLINFO

# define NA_MSG "Requires mallinfo"

#endif

#ifdef NA_MSG

void

cyg_start(void)

{

    CYG_TEST_INIT();

    CYG_TEST_NA( NA_MSG );

    CYG_TEST_FINISH("Done");

}

#else

// FUNCTIONS

extern int

cyg_memalloc_maxalloc( void );

static int

fill_with_data( char *buf, int size )

{

    int i;

    for (i=0; i < size; i++)

        buf[i] = 'f';

    for (i=0; i < size; i++)

        if (buf[i] != 'f') {

            CYG_TEST_FAIL( "data written to buffer does not compare "

                           "correctly! #1" );

            return 0;

        } // if

    for (i=0; i < size; i++)

        buf[i] = 'z';

    for (i=0; i < size; i++)

        if (buf[i] != 'z') {

            CYG_TEST_FAIL( "data written to buffer does not compare "

                           "correctly! #2" );

            return 0;

        } // if

    return 1;

} // fill_with_data()

int

main( int argc, char *argv[] )

{

    char *str;

    int size;

    int poolmax;

    CYG_TEST_INIT();

    CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "

                  "malloc() and free() functions");

    CYG_TEST_INFO("This checks allocation and freeing of large regions");

    poolmax = mallinfo().maxfree;

    if ( poolmax <= 0 ) {

        CYG_TEST_FAIL_FINISH( "Can't determine allocation size to use" );

    }

    size = poolmax/2;

    // Don't allocate all the memory at once - leave room for any structures

    // used to manage the memory

    str = (char *)malloc( size );

    CYG_TEST_PASS_FAIL( str != NULL, "allocation 1");

    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 1 usability");

    free( str );

    str = (char *)malloc( size );

    CYG_TEST_PASS_FAIL( str != NULL, "allocation 2");

    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 2 usability");

    free( str );

    str = (char *)malloc( size );

    CYG_TEST_PASS_FAIL( str != NULL, "allocation 3");

    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 3 usability");

    free( str );

    str = (char *)malloc( size );

    CYG_TEST_PASS_FAIL( str != NULL, "allocation 4");

    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 4 usability");

    free( str );

    str = (char *)malloc( size );

    CYG_TEST_PASS_FAIL( str != NULL, "allocation 5");

    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 5 usability");

    free( str );

    str = (char *)malloc( size );

    CYG_TEST_PASS_FAIL( str != NULL, "allocation 6");

    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 6 usability");

    free( str );

    str = (char *)malloc( size );

    CYG_TEST_PASS_FAIL( str != NULL, "allocation 7");

    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 7 usability");

    free( str );

    str = (char *)malloc( size );

    CYG_TEST_PASS_FAIL( str != NULL, "allocation 8");

    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 8 usability");

    free( str );

    str = (char *)malloc( size );

    CYG_TEST_PASS_FAIL( str != NULL, "allocation 9");

    CYG_TEST_PASS_FAIL( fill_with_data( str, size ), "allocation 9 usability");

    free( str );

    str = (char *)malloc( size );

    CYG_TEST_PASS_FAIL( str != NULL, "allocation 10");

    CYG_TEST_PASS_FAIL( fill_with_data( str, size ),"allocation 10 usability");

    free( str );

    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "

                    "malloc() and free() functions");

    return 0;

} // main()

#endif // ifndef NA_MSG

// EOF malloc3.c