mirror of
https://github.com/lwip-tcpip/lwip.git
synced 2024-08-24 15:16:02 +00:00
240 lines
6.5 KiB
C
240 lines
6.5 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_DNS
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#error "This test needs DNS turned off (as it mallocs on init)"
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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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}
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static void
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pbuf_teardown(void)
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{
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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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/** 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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fail_unless(lwip_stats.mem.used == 0);
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fail_unless(lwip_stats.memp[MEMP_PBUF_POOL].used == 0);
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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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fail_unless(lwip_stats.mem.used == 0);
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fail_unless(lwip_stats.mem.used == 0);
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fail_unless(lwip_stats.memp[MEMP_PBUF_POOL].used == 0);
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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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for(i = 0; i < TESTBUFSIZE_1; i++)
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fail_unless(testbuf_1[i] == testbuf_1a[i]);
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for(i = 0; i < TESTBUFSIZE_2; i++)
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fail_unless(testbuf_2[i] == testbuf_2a[i]);
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for(i = 0; i < TESTBUFSIZE_3; i++)
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fail_unless(testbuf_3[i] == testbuf_3a[i]);
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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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}
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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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}
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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_copy_zero_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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