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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