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8d2ed22908
Add test case for arena hitting commit limit during creation. Copied from Perforce Change: 188106 ServerID: perforce.ravenbrook.com
140 lines
3.2 KiB
C
140 lines
3.2 KiB
C
/*
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TEST_HEADER
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id = $Id$
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summary = mps_arena_commit_limit tests
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language = c
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link = testlib.o
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OUTPUT_SPEC
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create = COMMIT_LIMIT
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commit0 = FAIL
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commit10 = OK
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com_less = FAIL
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commit_min = OK
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alloc_mv = COMMIT_LIMIT
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commit_ext = OK
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alloc_16 = OK
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alloc_big = COMMIT_LIMIT
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poolcr = COMMIT_LIMIT
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result = pass
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END_HEADER
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*/
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#include "testlib.h"
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#include "mpsavm.h"
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#include "mpscmv.h"
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void *stackpointer;
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mps_arena_t arena;
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mps_thr_t thread;
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mps_pool_t pool;
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mps_pool_t pools[1000];
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static void test(void) {
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int i;
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mps_addr_t a;
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mps_res_t res;
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size_t committed;
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/* Create an arena with a commit limit that's too small for the
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* essential MPS internal data structures -- this must fail with
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* RES_COMMIT_LIMIT. */
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MPS_ARGS_BEGIN(args) {
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MPS_ARGS_ADD(args, MPS_KEY_ARENA_COMMIT_LIMIT, 16 * 1024);
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report_res("create", mps_arena_create_k(&arena, mps_arena_class_vm(), args));
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} MPS_ARGS_END(args);
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cdie(mps_arena_create(&arena, mps_arena_class_vm(), (size_t) (1024*1024*20)),
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"create arena");
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cdie(mps_thread_reg(&thread, arena), "register thread");
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/* set the commit limit to 0MB, then to 10MB+1 byte */
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report_res("commit0",
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mps_arena_commit_limit_set(arena, (size_t) (1024*1024*0)));
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report_res("commit10",
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mps_arena_commit_limit_set(arena, (size_t) (1+1024*1024*10)));
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/* create a pool */
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cdie(mps_pool_create(&pool, arena, mps_class_mv(), (size_t) 64, (size_t) 64, (size_t) 64), "pool create");
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for (i=0; i<100; i++) {
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die(mps_alloc(&a, pool, (size_t) 64), "alloc");
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}
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/* shouldn't be possible to set the commit limit to less than the amount
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currently commited */
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report_res("com_less",
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mps_arena_commit_limit_set(arena, mps_arena_committed(arena)-1));
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/* should be possible to set the commit limit to the amount currently
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committed */
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report_res("commit_min",
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mps_arena_commit_limit_set(arena, mps_arena_committed(arena)));
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for (i=0; i<100; i++) {
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res=mps_alloc(&a, pool, (size_t) 1024);
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}
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report_res("alloc_mv", res);
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/* extending the commit-limit by 64K should allow an allocation of 16K
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to succeed */
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report_res("commit_ext",
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mps_arena_commit_limit_set(arena,
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mps_arena_commit_limit(arena) + (size_t) (1024*64)));
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report_res("alloc_16", mps_alloc(&a, pool, (size_t) (1024*16)));
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/* We'd like to get MPS_RES_RESOURCE by running out of the arena's
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address arena size, not the commit limit, but that's hard to
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arrange on 64-bit machines. See job001152. */
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report_res("alloc_big", mps_alloc(&a, pool, (size_t) (1024*1024*30)));
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mps_pool_destroy(pool);
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/* now we'll check that creating a pool can fail on the COMMIT_LIMIT */
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cdie(mps_arena_commit_limit_set(arena, mps_arena_committed(arena)),
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"back to minimum limit");
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res = MPS_RES_OK;
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i = 0;
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while (i < sizeof pools / sizeof pools[0]) {
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res = mps_pool_create(&pools[i], arena, mps_class_mv(), (size_t) 64, (size_t) 64, (size_t) 64);
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if (res == MPS_RES_OK) {
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i++;
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} else {
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break;
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}
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}
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report_res("poolcr", res);
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for (i--; i >= 0; i--) {
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mps_pool_destroy(pools[i]);
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}
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mps_thread_dereg(thread);
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mps_arena_destroy(arena);
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comment("Destroyed arena.");
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}
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int main(void)
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{
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void *m;
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stackpointer=&m; /* hack to get stack pointer */
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easy_tramp(test);
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pass();
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return 0;
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}
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