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/* 
TEST_HEADER
 id = $Id: //info.ravenbrook.com/project/mps/master/test/function/125.c#8 $
 summary = extensible arena test (small objects)
 language = c
 link = testlib.o rankfmt.o
END_HEADER
*/

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


#define genCOUNT (3)

static mps_gen_param_s testChain[genCOUNT] = {
  { 6000, 0.90 }, { 8000, 0.65 }, { 16000, 0.50 } };


static void test(void *stack_pointer)
{
 mps_arena_t arena;
 mps_pool_t pool;
 mps_thr_t thread;
 mps_root_t root, root1;

 mps_fmt_t format;
 mps_chain_t chain;
 mps_ap_t ap;

 mycell *a, *b;

 int j;

 /* create an arena that can't grow beyond 1 Mb */
 cdie(mps_arena_create(&arena, mps_arena_class_vm(), (size_t) (1024*1024*1)),
      "create arena");

 cdie(mps_thread_reg(&thread, arena), "register thread");
 cdie(mps_root_create_thread(&root, arena, thread, stack_pointer), "thread root");
 cdie(mps_root_create_table(&root1, arena, mps_rank_ambig(), 0,
                            (mps_addr_t*)&exfmt_root, 1),
      "create table root");

 cdie(mps_fmt_create_A(&format, arena, &fmtA),
      "create format");
 cdie(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");

 die(mmqa_pool_create_chain(&pool, arena, mps_class_amc(), format, chain),
     "create pool");

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

 comment("ready");

 b = allocone(ap, 2, mps_rank_exact());

 /* allocate lots of little objects */

 for (;;) {
  comment("reserved %ld, committed %ld",
   mps_arena_reserved(arena), mps_arena_committed(arena));
  if (mps_arena_committed(arena) > 1024ul*1024ul*10) {
   break;
  }
  for (j=0; j<10000; j++) {
   a = allocone(ap, 2, mps_rank_exact());
   setref(a, 0, b);
   b = a;
   a = allocone(ap, 1, mps_rank_exact());
   setref(b, 1, a);
  }
  mps_arena_collect(arena);
  mps_arena_release(arena);
 }

 mps_arena_park(arena);
 mps_ap_destroy(ap);
 mps_pool_destroy(pool);
 mps_chain_destroy(chain);
 mps_fmt_destroy(format);
 mps_root_destroy(root);
 mps_root_destroy(root1);
 mps_thread_dereg(thread);
 mps_arena_destroy(arena);
 comment("Destroyed arena.");
}


int main(void)
{
 run_test(test);
 pass();
 return 0;
}