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Create an additional test case which always runs after cleanup and checks

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for memory leaks.  It may be necessary to make this optional at some point,
but for now, none of our tests leak memory.
This commit is contained in:
Dag-Erling Smørgrav 2014-10-30 16:31:03 +00:00 committed by des
parent 44230ff5e3
commit 1f0fd8d9fe
3 changed files with 52 additions and 12 deletions
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1
t/t.h
View file

@ -119,5 +119,6 @@ extern int t_malloc_fatal;
#ifdef _IONBF /* proxy for <stdio.h> */
void t_malloc_printstats(FILE *);
#endif
extern struct t_test t_memory_leak;
#endif

34
t/t_main.c
View file

@ -137,6 +137,24 @@ t_add_tests(struct t_test *t, int n)
t_plan[t_plan_len] = NULL;
}
/*
* Run a single test
*/
static int
t_run_test(struct t_test *t, int n)
{
char *desc;
desc = t->desc ? t->desc : "no description";
if ((*t->func)(&desc, t->arg)) {
printf("ok %d - %s\n", n + 1, desc);
return (1);
} else {
printf("not ok %d - %s\n", n + 1, desc);
return (0);
}
}
/*
* Print usage string and exit.
*/
@ -152,7 +170,6 @@ int
main(int argc, char *argv[])
{
unsigned int n, pass, fail;
char *desc;
int opt;
/* make all unintentional allocation failures fatal */
@ -189,17 +206,9 @@ main(int argc, char *argv[])
errx(1, "no plan\n");
/* run the tests */
printf("1..%zu\n", t_plan_len);
for (n = pass = fail = 0; n < t_plan_len; ++n) {
desc = t_plan[n]->desc ? t_plan[n]->desc : "no description";
if ((*t_plan[n]->func)(&desc, t_plan[n]->arg)) {
printf("ok %d - %s\n", n + 1, desc);
++pass;
} else {
printf("not ok %d - %s\n", n + 1, desc);
++fail;
}
}
printf("1..%zu\n", t_plan_len + 1);
for (n = pass = fail = 0; n < t_plan_len; ++n)
t_run_test(t_plan[n], n + 1) ? ++pass : ++fail;
/* clean up as much as possible before we exit */
t_cleanup();
@ -212,5 +221,6 @@ main(int argc, char *argv[])
setvbuf(stdout, NULL, _IONBF, 0);
if (verbose)
t_malloc_printstats(stderr);
t_run_test(&t_memory_leak, t_plan_len + 1) ? ++pass : ++fail;
exit(fail > 0 ? 1 : 0);
}

29
t/t_malloc.c
View file

@ -467,3 +467,32 @@ t_malloc_printstats(FILE *f)
b->nalloc - b->nfree);
}
}
/*
* Test that fails if we leaked memory
*/
static int
t_malloc_leaked(char **desc, void *arg CRYB_UNUSED)
{
struct bucket *b;
unsigned int shift;
unsigned long nleaked;
for (nleaked = shift = 0; shift <= BUCKET_MAX_SHIFT; ++shift) {
b = &buckets[shift];
nleaked += b->nalloc - b->nfree;
}
if (nleaked > 0) {
asprintf(desc, "%lu allocation(s) leaked", nleaked);
return (0);
} else {
*desc = "no memory leaked";
return (1);
}
}
struct t_test t_memory_leak = {
.func = &t_malloc_leaked,
.arg = NULL,
.desc = "memory leak check",
};