mirror of
https://github.com/lwip-tcpip/lwip.git
synced 2024-08-24 15:16:02 +00:00
360 lines
9.6 KiB
C
360 lines
9.6 KiB
C
#include "test_pbuf.h"
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#include "lwip/pbuf.h"
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#include "lwip/stats.h"
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#if !LWIP_STATS || !MEM_STATS ||!MEMP_STATS
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#error "This tests needs MEM- and MEMP-statistics enabled"
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#endif
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#if !LWIP_TCP || !TCP_QUEUE_OOSEQ || !LWIP_WND_SCALE
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#error "This test needs TCP OOSEQ queueing and window scaling enabled"
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#endif
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/* Setups/teardown functions */
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static void
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pbuf_setup(void)
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{
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lwip_check_ensure_no_alloc(SKIP_POOL(MEMP_SYS_TIMEOUT));
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}
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static void
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pbuf_teardown(void)
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{
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lwip_check_ensure_no_alloc(SKIP_POOL(MEMP_SYS_TIMEOUT));
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}
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#define TESTBUFSIZE_1 65535
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#define TESTBUFSIZE_2 65530
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#define TESTBUFSIZE_3 50050
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static u8_t testbuf_1[TESTBUFSIZE_1];
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static u8_t testbuf_1a[TESTBUFSIZE_1];
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static u8_t testbuf_2[TESTBUFSIZE_2];
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static u8_t testbuf_2a[TESTBUFSIZE_2];
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static u8_t testbuf_3[TESTBUFSIZE_3];
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static u8_t testbuf_3a[TESTBUFSIZE_3];
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/* Test functions */
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START_TEST(test_pbuf_alloc_zero_pbufs)
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{
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struct pbuf *p;
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LWIP_UNUSED_ARG(_i);
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p = pbuf_alloc(PBUF_RAW, 0, PBUF_ROM);
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fail_unless(p != NULL);
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if (p != NULL) {
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pbuf_free(p);
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}
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p = pbuf_alloc(PBUF_RAW, 0, PBUF_RAM);
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fail_unless(p != NULL);
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if (p != NULL) {
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pbuf_free(p);
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}
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p = pbuf_alloc(PBUF_RAW, 0, PBUF_REF);
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fail_unless(p != NULL);
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if (p != NULL) {
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pbuf_free(p);
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}
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p = pbuf_alloc(PBUF_RAW, 0, PBUF_POOL);
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fail_unless(p != NULL);
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if (p != NULL) {
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pbuf_free(p);
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}
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}
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END_TEST
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/** Call pbuf_copy on a pbuf with zero length */
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START_TEST(test_pbuf_copy_zero_pbuf)
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{
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struct pbuf *p1, *p2, *p3;
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err_t err;
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LWIP_UNUSED_ARG(_i);
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p1 = pbuf_alloc(PBUF_RAW, 1024, PBUF_RAM);
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fail_unless(p1 != NULL);
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fail_unless(p1->ref == 1);
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p2 = pbuf_alloc(PBUF_RAW, 2, PBUF_POOL);
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fail_unless(p2 != NULL);
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fail_unless(p2->ref == 1);
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p2->len = p2->tot_len = 0;
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pbuf_cat(p1, p2);
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fail_unless(p1->ref == 1);
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fail_unless(p2->ref == 1);
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p3 = pbuf_alloc(PBUF_RAW, p1->tot_len, PBUF_POOL);
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err = pbuf_copy(p3, p1);
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fail_unless(err == ERR_VAL);
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pbuf_free(p1);
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pbuf_free(p3);
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}
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END_TEST
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/** Call pbuf_copy on pbufs with chains of different sizes */
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START_TEST(test_pbuf_copy_unmatched_chains)
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{
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uint16_t i, j;
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err_t err;
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struct pbuf *source, *dest, *p;
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LWIP_UNUSED_ARG(_i);
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source = NULL;
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/* Build source pbuf from linked 16 byte parts,
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* with payload bytes containing their offset */
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for (i = 0; i < 8; i++) {
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p = pbuf_alloc(PBUF_RAW, 16, PBUF_RAM);
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fail_unless(p != NULL);
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for (j = 0; j < p->len; j++) {
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((u8_t*)p->payload)[j] = (u8_t)((i << 4) | j);
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}
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if (source) {
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pbuf_cat(source, p);
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} else {
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source = p;
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}
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}
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for (i = 0; i < source->tot_len; i++) {
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fail_unless(pbuf_get_at(source, i) == i);
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}
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/* Build dest pbuf from other lengths */
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dest = pbuf_alloc(PBUF_RAW, 35, PBUF_RAM);
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fail_unless(dest != NULL);
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p = pbuf_alloc(PBUF_RAW, 81, PBUF_RAM);
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fail_unless(p != NULL);
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pbuf_cat(dest, p);
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p = pbuf_alloc(PBUF_RAW, 27, PBUF_RAM);
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fail_unless(p != NULL);
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pbuf_cat(dest, p);
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/* Copy contents and verify data */
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err = pbuf_copy(dest, source);
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fail_unless(err == ERR_OK);
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for (i = 0; i < source->tot_len; i++) {
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fail_unless(pbuf_get_at(dest, i) == i);
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}
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pbuf_free(source);
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pbuf_free(dest);
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}
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END_TEST
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START_TEST(test_pbuf_copy_partial_pbuf)
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{
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struct pbuf *a, *b, *dest;
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char lwip[] = "lwip ";
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char packet[] = "packet";
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err_t err;
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LWIP_UNUSED_ARG(_i);
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a = pbuf_alloc(PBUF_RAW, 5, PBUF_REF);
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fail_unless(a != NULL);
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a->payload = lwip;
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b = pbuf_alloc(PBUF_RAW, 7, PBUF_REF);
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fail_unless(b != NULL);
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b->payload = packet;
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pbuf_cat(a, b);
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dest = pbuf_alloc(PBUF_RAW, 14, PBUF_RAM);
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memset(dest->payload, 0, dest->len);
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fail_unless(dest != NULL);
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/* Don't copy if data will not fit */
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err = pbuf_copy_partial_pbuf(dest, a, a->tot_len, 4);
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fail_unless(err == ERR_ARG);
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/* Don't copy if length is longer than source */
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err = pbuf_copy_partial_pbuf(dest, a, a->tot_len + 1, 0);
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fail_unless(err == ERR_ARG);
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/* Normal copy */
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err = pbuf_copy_partial_pbuf(dest, a, a->tot_len, 0);
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fail_unless(err == ERR_OK);
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fail_unless(strcmp("lwip packet", (char*)dest->payload) == 0);
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/* Copy at offset */
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err = pbuf_copy_partial_pbuf(dest, a, a->tot_len, 1);
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fail_unless(err == ERR_OK);
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fail_unless(strcmp("llwip packet", (char*)dest->payload) == 0);
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/* Copy at offset with shorter length */
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err = pbuf_copy_partial_pbuf(dest, a, 6, 6);
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fail_unless(err == ERR_OK);
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fail_unless(strcmp("llwip lwip p", (char*)dest->payload) == 0);
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/* Copy with shorter length */
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err = pbuf_copy_partial_pbuf(dest, a, 5, 0);
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fail_unless(err == ERR_OK);
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fail_unless(strcmp("lwip lwip p", (char*)dest->payload) == 0);
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pbuf_free(dest);
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pbuf_free(a);
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}
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END_TEST
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START_TEST(test_pbuf_split_64k_on_small_pbufs)
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{
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struct pbuf *p, *rest=NULL;
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LWIP_UNUSED_ARG(_i);
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p = pbuf_alloc(PBUF_RAW, 1, PBUF_POOL);
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pbuf_split_64k(p, &rest);
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fail_unless(p->tot_len == 1);
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pbuf_free(p);
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}
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END_TEST
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START_TEST(test_pbuf_queueing_bigger_than_64k)
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{
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int i;
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err_t err;
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struct pbuf *p1, *p2, *p3, *rest2=NULL, *rest3=NULL;
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LWIP_UNUSED_ARG(_i);
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for(i = 0; i < TESTBUFSIZE_1; i++) {
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testbuf_1[i] = (u8_t)rand();
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}
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for(i = 0; i < TESTBUFSIZE_2; i++) {
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testbuf_2[i] = (u8_t)rand();
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}
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for(i = 0; i < TESTBUFSIZE_3; i++) {
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testbuf_3[i] = (u8_t)rand();
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}
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p1 = pbuf_alloc(PBUF_RAW, TESTBUFSIZE_1, PBUF_POOL);
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fail_unless(p1 != NULL);
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p2 = pbuf_alloc(PBUF_RAW, TESTBUFSIZE_2, PBUF_POOL);
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fail_unless(p2 != NULL);
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p3 = pbuf_alloc(PBUF_RAW, TESTBUFSIZE_3, PBUF_POOL);
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fail_unless(p3 != NULL);
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err = pbuf_take(p1, testbuf_1, TESTBUFSIZE_1);
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fail_unless(err == ERR_OK);
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err = pbuf_take(p2, testbuf_2, TESTBUFSIZE_2);
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fail_unless(err == ERR_OK);
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err = pbuf_take(p3, testbuf_3, TESTBUFSIZE_3);
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fail_unless(err == ERR_OK);
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pbuf_cat(p1, p2);
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pbuf_cat(p1, p3);
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pbuf_split_64k(p1, &rest2);
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fail_unless(p1->tot_len == TESTBUFSIZE_1);
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fail_unless(rest2->tot_len == (u16_t)((TESTBUFSIZE_2+TESTBUFSIZE_3) & 0xFFFF));
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pbuf_split_64k(rest2, &rest3);
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fail_unless(rest2->tot_len == TESTBUFSIZE_2);
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fail_unless(rest3->tot_len == TESTBUFSIZE_3);
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pbuf_copy_partial(p1, testbuf_1a, TESTBUFSIZE_1, 0);
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pbuf_copy_partial(rest2, testbuf_2a, TESTBUFSIZE_2, 0);
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pbuf_copy_partial(rest3, testbuf_3a, TESTBUFSIZE_3, 0);
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fail_if(memcmp(testbuf_1, testbuf_1a, TESTBUFSIZE_1));
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fail_if(memcmp(testbuf_2, testbuf_2a, TESTBUFSIZE_2));
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fail_if(memcmp(testbuf_3, testbuf_3a, TESTBUFSIZE_3));
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pbuf_free(p1);
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pbuf_free(rest2);
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pbuf_free(rest3);
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}
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END_TEST
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/* Test for bug that writing with pbuf_take_at() did nothing
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* and returned ERR_OK when writing at beginning of a pbuf
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* in the chain.
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*/
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START_TEST(test_pbuf_take_at_edge)
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{
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err_t res;
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u8_t *out;
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int i;
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u8_t testdata[] = { 0x01, 0x08, 0x82, 0x02 };
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struct pbuf *p = pbuf_alloc(PBUF_RAW, 1024, PBUF_POOL);
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struct pbuf *q = p->next;
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LWIP_UNUSED_ARG(_i);
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/* alloc big enough to get a chain of pbufs */
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fail_if(p->tot_len == p->len);
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memset(p->payload, 0, p->len);
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memset(q->payload, 0, q->len);
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/* copy data to the beginning of first pbuf */
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res = pbuf_take_at(p, &testdata, sizeof(testdata), 0);
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fail_unless(res == ERR_OK);
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out = (u8_t*)p->payload;
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for (i = 0; i < (int)sizeof(testdata); i++) {
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fail_unless(out[i] == testdata[i],
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"Bad data at pos %d, was %02X, expected %02X", i, out[i], testdata[i]);
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}
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/* copy data to the just before end of first pbuf */
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res = pbuf_take_at(p, &testdata, sizeof(testdata), p->len - 1);
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fail_unless(res == ERR_OK);
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out = (u8_t*)p->payload;
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fail_unless(out[p->len - 1] == testdata[0],
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"Bad data at pos %d, was %02X, expected %02X", p->len - 1, out[p->len - 1], testdata[0]);
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out = (u8_t*)q->payload;
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for (i = 1; i < (int)sizeof(testdata); i++) {
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fail_unless(out[i-1] == testdata[i],
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"Bad data at pos %d, was %02X, expected %02X", p->len - 1 + i, out[i-1], testdata[i]);
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}
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/* copy data to the beginning of second pbuf */
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res = pbuf_take_at(p, &testdata, sizeof(testdata), p->len);
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fail_unless(res == ERR_OK);
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out = (u8_t*)p->payload;
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for (i = 0; i < (int)sizeof(testdata); i++) {
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fail_unless(out[i] == testdata[i],
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"Bad data at pos %d, was %02X, expected %02X", p->len+i, out[i], testdata[i]);
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}
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pbuf_free(p);
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}
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END_TEST
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/* Verify pbuf_put_at()/pbuf_get_at() when using
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* offsets equal to beginning of new pbuf in chain
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*/
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START_TEST(test_pbuf_get_put_at_edge)
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{
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u8_t *out;
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u8_t testdata = 0x01;
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u8_t getdata;
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struct pbuf *p = pbuf_alloc(PBUF_RAW, 1024, PBUF_POOL);
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struct pbuf *q = p->next;
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LWIP_UNUSED_ARG(_i);
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/* alloc big enough to get a chain of pbufs */
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fail_if(p->tot_len == p->len);
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memset(p->payload, 0, p->len);
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memset(q->payload, 0, q->len);
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/* put byte at the beginning of second pbuf */
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pbuf_put_at(p, p->len, testdata);
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out = (u8_t*)q->payload;
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fail_unless(*out == testdata,
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"Bad data at pos %d, was %02X, expected %02X", p->len, *out, testdata);
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getdata = pbuf_get_at(p, p->len);
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fail_unless(*out == getdata,
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"pbuf_get_at() returned bad data at pos %d, was %02X, expected %02X", p->len, getdata, *out);
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pbuf_free(p);
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}
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END_TEST
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/** Create the suite including all tests for this module */
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Suite *
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pbuf_suite(void)
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{
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testfunc tests[] = {
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TESTFUNC(test_pbuf_alloc_zero_pbufs),
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TESTFUNC(test_pbuf_copy_zero_pbuf),
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TESTFUNC(test_pbuf_copy_unmatched_chains),
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TESTFUNC(test_pbuf_copy_partial_pbuf),
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TESTFUNC(test_pbuf_split_64k_on_small_pbufs),
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TESTFUNC(test_pbuf_queueing_bigger_than_64k),
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TESTFUNC(test_pbuf_take_at_edge),
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TESTFUNC(test_pbuf_get_put_at_edge)
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};
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return create_suite("PBUF", tests, sizeof(tests)/sizeof(testfunc), pbuf_setup, pbuf_teardown);
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}
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