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Reach 100% line coverage on memarea.c

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This commit is contained in:
Nick Mathewson 2016-06-16 09:37:44 -04:00
parent 7b54d7ebbd
commit f986e26850
1 changed files with 22 additions and 1 deletions
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23
src/test/test_util.c
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@ -2845,19 +2845,40 @@ test_util_memarea(void *arg)
p1 = memarea_alloc(area, 1);
tt_ptr_op(p1,OP_EQ, p1_orig);
memarea_clear(area);
size_t total = 0, initial_allocation, allocation2, dummy;
memarea_get_stats(area, &initial_allocation, &dummy);
/* Check for running over an area's size. */
for (i = 0; i < 512; ++i) {
p1 = memarea_alloc(area, crypto_rand_int(5)+1);
size_t n = crypto_rand_int(6);
p1 = memarea_alloc(area, n);
total += n;
tt_assert(memarea_owns_ptr(area, p1));
}
memarea_assert_ok(area);
memarea_get_stats(area, &allocation2, &dummy);
/* Make sure we can allocate a too-big object. */
p1 = memarea_alloc_zero(area, 9000);
p2 = memarea_alloc_zero(area, 16);
total += 9000;
total += 16;
tt_assert(memarea_owns_ptr(area, p1));
tt_assert(memarea_owns_ptr(area, p2));
/* Now test stats... */
size_t allocated = 0, used = 0;
memarea_get_stats(area, &allocated, &used);
tt_int_op(used, OP_LE, allocated);
tt_int_op(used, OP_GE, total); /* not EQ, because of alignment and headers*/
tt_int_op(allocated, OP_GT, allocation2);
tt_int_op(allocation2, OP_GT, initial_allocation);
memarea_clear(area);
memarea_get_stats(area, &allocated, &used);
tt_int_op(used, OP_LT, 128); /* Not 0, because of header */
tt_int_op(allocated, OP_EQ, initial_allocation);
done:
memarea_drop_all(area);
tor_free(malloced_ptr);