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pbuf: Add pbuf_copy test operating on chained pbufs

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With the payload lengths not matching between source and destination.

Also remove redundant allocation check in other test, it is now done
in the test setup code.
This commit is contained in:
Erik Ekman
2020-06-29 19:42:45 +02:00
parent a49c347b7e
commit 90b3e45c31
1 changed files with 48 additions and 3 deletions
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51
test/unit/core/test_pbuf.c
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@@ -77,9 +77,6 @@ START_TEST(test_pbuf_copy_zero_pbuf)
err_t err;
LWIP_UNUSED_ARG(_i);
fail_unless(lwip_stats.mem.used == 0);
fail_unless(MEMP_STATS_GET(used, MEMP_PBUF_POOL) == 0);
p1 = pbuf_alloc(PBUF_RAW, 1024, PBUF_RAM);
fail_unless(p1 != NULL);
fail_unless(p1->ref == 1);
@@ -102,6 +99,53 @@ START_TEST(test_pbuf_copy_zero_pbuf)
}
END_TEST
/** Call pbuf_copy on pbufs with chains of different sizes */
START_TEST(test_pbuf_copy_unmatched_chains)
{
int i, j;
err_t err;
struct pbuf *source, *dest, *p;
source = NULL;
/* Build source pbuf from linked 16 byte parts,
* with payload bytes containing their offset */
for (i = 0; i < 8; i++) {
p = pbuf_alloc(PBUF_RAW, 16, PBUF_RAM);
fail_unless(p != NULL);
for (j = 0; j < p->len; j++) {
((unsigned char*)p->payload)[j] = (i << 4) | j;
}
if (source) {
pbuf_cat(source, p);
} else {
source = p;
}
}
for (i = 0; i < source->tot_len; i++) {
fail_unless(pbuf_get_at(source, i) == i);
}
/* Build dest pbuf from other lengths */
dest = pbuf_alloc(PBUF_RAW, 35, PBUF_RAM);
fail_unless(dest != NULL);
p = pbuf_alloc(PBUF_RAW, 81, PBUF_RAM);
fail_unless(p != NULL);
pbuf_cat(dest, p);
p = pbuf_alloc(PBUF_RAW, 27, PBUF_RAM);
fail_unless(p != NULL);
pbuf_cat(dest, p);
/* Copy contents and verify data */
err = pbuf_copy(dest, source);
fail_unless(err == ERR_OK);
for (i = 0; i < source->tot_len; i++) {
fail_unless(pbuf_get_at(dest, i) == i);
}
pbuf_free(source);
pbuf_free(dest);
}
END_TEST
START_TEST(test_pbuf_split_64k_on_small_pbufs)
{
struct pbuf *p, *rest=NULL;
@@ -258,6 +302,7 @@ pbuf_suite(void)
testfunc tests[] = {
TESTFUNC(test_pbuf_alloc_zero_pbufs),
TESTFUNC(test_pbuf_copy_zero_pbuf),
TESTFUNC(test_pbuf_copy_unmatched_chains),
TESTFUNC(test_pbuf_split_64k_on_small_pbufs),
TESTFUNC(test_pbuf_queueing_bigger_than_64k),
TESTFUNC(test_pbuf_take_at_edge),