static void test(void) { mps_thr_t thread; mps_pool_t pool; mps_addr_t a, b; char *c; cdie(mps_arena_create(&arena, mps_arena_class_vmnz(), (size_t) (1024*1024*50)), "create arena"); cdie(mps_thread_reg(&thread, arena), "register thread"); die( mps_pool_create(&pool, arena, mps_class_mvff_debug(), &debugOpts, 8192, 8, 8, 0, 0, 1), "create MVFF pool"); die(mps_alloc(&a, pool, 64), "alloc a"); die(mps_alloc(&b, pool, 64), "alloc b"); c = a; c -= 1; *c = 0; mps_pool_check_fenceposts(pool); comment("Fencepost check."); c += 67; *c = 0; mps_pool_check_fenceposts(pool); comment("Fencepost check."); mps_pool_destroy(pool); mps_thread_dereg(thread); mps_arena_destroy(arena); }
static void test(void) { mps_thr_t thread; mps_pool_t pool; mps_addr_t a; char * c; cdie(mps_arena_create(&arena, mps_arena_class_vmnz(), (size_t) (1024*1024*50)), "create arena"); cdie(mps_thread_reg(&thread, arena), "register thread"); die( mps_pool_create(&pool, arena, mps_class_mvff_debug(), &debugOpts, 8192, 8, 8, 0, 1, 0), "create MVFF pool"); die(mps_alloc(&a, pool, 63), "alloc a"); c = a; c += 63; *c = 0; mps_free(pool, a, 63); mps_pool_destroy(pool); mps_thread_dereg(thread); mps_arena_destroy(arena); }
static void test(void) { mps_thr_t thread; int spare, spare_total, commit, obj; /* create a VM arena of 100MB */ cdie(mps_arena_create(&arena,mps_arena_class_vmnz(),(size_t)(1024*1024*100)), "create arena"); cdie(mps_thread_reg(&thread, arena), "register thread"); report("failed", "no"); for (spare = SPARE_EMPTY; spare <= SPARE_MORE; spare++) { for (spare_total = spare; spare_total <= SPARE_MORE; spare_total++) { for (commit = COMMIT_EXACT; commit <= COMMIT_PLENTY; commit++) { for (obj = OBJ_SMALL; obj <= OBJ_BIG; obj++) { t_alloc(spare, spare_total, commit, obj); }}}} comment("Finishing off."); mps_thread_dereg(thread); comment("Deregistered thread."); mps_arena_destroy(arena); comment("Destroyed arena."); }
static void runArenaTest(size_t size, mps_bool_t failcase, mps_bool_t usefulFailcase) { mps_arena_t arena; die(mps_arena_create(&arena, mps_arena_class_vmnz(), size), "mps_arena_create"); die(mps_arena_commit_limit_set(arena, size - chunkSize), "mps_arena_commit_limit_set"); testInArena(arena, failcase, usefulFailcase); mps_arena_destroy(arena); }
int main(int argc, char *argv[]) { mps_arena_t arena; randomize(argc, argv); mps_lib_assert_fail_install(assert_die); die(mps_arena_create(&arena, mps_arena_class_vmnz(), testArenaSIZE), "mps_arena_create"); testInArena(arena); mps_arena_destroy(arena); printf("%s: Conclusion: Failed to find any defects.\n", argv[0]); return 0; }
static void test(void) { mps_arena_t arena; mps_pool_t pool; mps_addr_t q; int p; die(mps_arena_create(&arena, mps_arena_class_vmnz(), VMNZSIZE), "create"); die(mps_arena_commit_limit_set(arena, VMNZSIZE), "commit limit"); die(mps_pool_create(&pool, arena, mps_class_mv(), EXTENDBY, AVGSIZE, EXTENDBY), "pool create"); for (p=0; p<ITERATE; p++) { die(mps_alloc(&q, pool, PROMISE*1024), "alloc"); q = (mps_addr_t) ((char *) q + 8); mps_free(pool, q, PROMISE*1024-8); report("promise", "%i", p); } mps_pool_destroy(pool); mps_arena_destroy(arena); }
static void test(void) { mps_pool_t poolhi, poollo; mps_thr_t thread; unsigned long com0, com1; /* create a VM arena of 30MB */ cdie(mps_arena_create(&arena, mps_arena_class_vmnz(), (size_t) (1024*1024*40)), "create arena"); /* set the commit limit to 100MB, i.e. let the arena do the limiting */ mps_arena_commit_limit_set(arena, (size_t) (1024ul*1024ul*100ul)); cdie(mps_thread_reg(&thread, arena), "register thread"); cdie( mps_pool_create(&poolhi, arena, mps_class_mvff(), MVFF_HI_PARMS), "create high pool"); cdie( mps_pool_create(&poollo, arena, mps_class_mvff(), MVFF_LO_PARMS), "create low pool"); /* set the spare commit limit to something very big */ mps_arena_spare_commit_limit_set(arena, (size_t)-1); /* allocate a jolly big object, clamp the commit limit down, leaving 64KB space, then free it */ die(mps_alloc(&objs[0], poollo, BIGSIZE), "alloc"); com0 = mps_arena_committed(arena); mps_arena_commit_limit_set(arena, com0+(1024*64)); mps_free(poollo, objs[0], BIGSIZE); com1 = mps_arena_committed(arena); /* the free shouldn't have reduced the total amount committed */ report("reduce1", "%ld", com0-com1); /* it should be possible to reallocate the object */ die(mps_alloc(&objs[0], poollo, BIGSIZE), "alloc lo"); mps_free(poollo, objs[0], BIGSIZE); /* it should equally be possible to allocate an object in a different segment (poolhi). This ought to flush the spare. */ die(mps_alloc(&objs[0], poolhi, BIGSIZE), "alloc hi"); mps_free(poolhi, objs[0], BIGSIZE); comment("Finishing off."); mps_pool_destroy(poolhi); mps_pool_destroy(poollo); comment("Destroyed pool."); mps_thread_dereg(thread); comment("Deregistered thread."); mps_arena_destroy(arena); comment("Destroyed arena."); }