/* $HopeName$
TEST_HEADER
 summary = run out of memory while collecting
 language = c
 link = testlib.o fastfmt.o
END_HEADER
*/

#include "testlib.h"
#include "mpscamc.h"
#include "mpsavm.h"
#include "rankfmt.h"

void *stackpointer;

static void test(void)
{
 mps_space_t space;
 mps_pool_t pool;
 mps_thr_t thread;
 mps_root_t root, root1;

 mps_fmt_t format;
 mps_ap_t ap;

 mycell *a, *b;

 int j;

/* create an arena that can't grow beyond 15 M */

 cdie(mps_arena_create(&space, mps_arena_class_vm(), (size_t) (1024*1024*15)),
  "create arena");

 cdie(mps_thread_reg(&thread, space), "register thread");

 cdie(
  mps_root_create_reg(&root, space, MPS_RANK_AMBIG, 0, thread,
   mps_stack_scan_ambig, stackpointer, 0),
  "create root");

 cdie(
  mps_root_create_table(&root1,space,MPS_RANK_AMBIG,0,&exfmt_root,1),
  "create table root");

 cdie(
  mps_fmt_create_A(&format, space, &fmtA),
  "create format");

 cdie(
  mps_pool_create(&pool, space, mps_class_amc(), format),
  "create pool");

 cdie(
  mps_ap_create(&ap, pool, MPS_RANK_EXACT),
  "create ap");

 b = allocone(ap, 100, MPS_RANK_EXACT);

/* allocate at least 100 * 10K = 10M */

 for (j=0; j<100; j++)
 {
  comment("%i of 100.", j);
  a = allocone(ap, 2, MPS_RANK_EXACT);
  setref(a, 0, b);
  b = a;
  a = allocdumb(ap, (size_t) (1024*100), MPS_RANK_EXACT);
  setref(b, 1, a);
 }

/* now collect world. There's isn't enough space to copy everything! */

 mps_arena_collect(space);

 mps_ap_destroy(ap);
 comment("Destroyed ap.");

 mps_pool_destroy(pool);
 comment("Destroyed pool.");

 mps_fmt_destroy(format);
 comment("Destroyed format.");

 mps_root_destroy(root);
 mps_root_destroy(root1);
 comment("Destroyed roots.");

 mps_thread_dereg(thread);
 comment("Deregistered thread.");

 mps_space_destroy(space);
 comment("Destroyed space.");

}

int main(void)
{
 void *m;
 stackpointer=&m; /* hack to get stack pointer */

 easy_tramp(test);
 pass();
 return 0;
}