New unit

new test

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mps/qa/function/131.c

@@ -0,0 +1,118 @@
+/* $HopeName: MMQA_test_function!116.c(trunk.1) $
+TEST_HEADER
+ summary = allocation shouldn't fail if there's garbage to collect (2)
+ language = c
+ link = testlib.o rankfmt.o
+END_HEADER
+*/
+
+#include "testlib.h"
+#include "mpscamc.h"
+#include "mpsavm.h"
+#include "rankfmt.h"
+
+void *stackpointer;
+
+mps_pool_t poolmv;
+mps_space_t space;
+
+static void test(void)
+{
+ mps_pool_t pool;
+ mps_thr_t thread;
+
+ mps_root_t root;
+
+ mps_fmt_t format;
+ mps_ap_t ap, ap2;
+
+ mycell *a, *b;
+
+ mps_res_t res;
+ int i;
+
+/* create an arena that can't grow beyond 30 M */
+
+ cdie(mps_arena_create(&space, mps_arena_class_vm(), (size_t) (1024*1024*40)),
+  "create arena");
+
+ mps_arena_commit_limit_set(space, (size_t) (1024*1024*30));
+
+ 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_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");
+
+/* allocate until full */
+
+
+ i = 0;
+
+ b = NULL;
+
+ while (allocrone(&a, ap, 128, MPS_RANK_EXACT) == MPS_RES_OK) {
+  i++;
+  setref(a, 0, b);
+  b = a;
+ }
+
+ comment("%d objs allocated.", i);
+ report("committed", "%ld", mps_arena_committed(space));
+
+/* try to allocate 10 times */
+
+ cdie(mps_ap_create(&ap2, pool, MPS_RANK_EXACT), "create second ap");
+ mps_ap_destroy(ap);
+
+ for (i = 0; i < 10; i++) {
+  res = allocrone(&a, ap2, 128, MPS_RANK_EXACT);
+  report("predie", "%s", err_text(res));
+ }
+
+/* now let everything die, and try to allocate 10 times */
+
+ mps_root_destroy(root);
+
+ for (i = 0; i < 10; i++) {
+  res = allocrone(&a, ap2, 128, MPS_RANK_EXACT);
+  report("postdie", "%s", err_text(res));
+ }
+
+ mps_ap_destroy(ap2);
+ comment("Destroyed ap.");
+
+ mps_pool_destroy(pool);
+ comment("Destroyed pool.");
+
+ mps_fmt_destroy(format);
+ comment("Destroyed format.");
+
+ 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;
+}