#include <stdlib.h>
#include <limits.h>
#include <stdio.h>
#include <gc.h>

/*
 * Check that very large allocation requests fail.  "Success" would usually
 * indicate that the the size was somehow converted to a negative
 * number.  Clients shouldn't do this, but we should fail in the
 * expected manner.
 */


main()
{
    GC_INIT();

    GC_set_max_heap_size(100*1024*1024);
    	/* Otherwise heap expansion aborts when deallocating large block. */
        /* That's OK.  We test this corner case mostly to make sure that  */
        /* it fails predictably.					  */
    GC_expand_hp(1024*1024*5);
    if (sizeof(long) == sizeof(void *)) {
        void *r = GC_MALLOC(LONG_MAX-1024);
	if (0 != r) {
	    fprintf(stderr,
	    	    "Size LONG_MAX-1024 allocation unexpectedly succeeded\n");
	    exit(1);
	}
        r = GC_MALLOC(LONG_MAX);
	if (0 != r) {
	    fprintf(stderr,
	            "Size LONG_MAX allocation unexpectedly succeeded\n");
	    exit(1);
	}
        r = GC_MALLOC((size_t)LONG_MAX + 1024);
	if (0 != r) {
	    fprintf(stderr,
	    	    "Size LONG_MAX+1024 allocation unexpectedly succeeded\n");
	    exit(1);
	}
    }
    return 0;
}