| #include "test_pbuf.h" |
| |
| #include "lwip/pbuf.h" |
| #include "lwip/stats.h" |
| |
| #if !LWIP_STATS || !MEM_STATS ||!MEMP_STATS |
| #error "This tests needs MEM- and MEMP-statistics enabled" |
| #endif |
| #if LWIP_DNS |
| #error "This test needs DNS turned off (as it mallocs on init)" |
| #endif |
| #if !LWIP_TCP || !TCP_QUEUE_OOSEQ || !LWIP_WND_SCALE |
| #error "This test needs TCP OOSEQ queueing and window scaling enabled" |
| #endif |
| |
| /* Setups/teardown functions */ |
| |
| static void |
| pbuf_setup(void) |
| { |
| lwip_check_ensure_no_alloc(SKIP_POOL(MEMP_SYS_TIMEOUT)); |
| } |
| |
| static void |
| pbuf_teardown(void) |
| { |
| lwip_check_ensure_no_alloc(SKIP_POOL(MEMP_SYS_TIMEOUT)); |
| } |
| |
| |
| #define TESTBUFSIZE_1 65535 |
| #define TESTBUFSIZE_2 65530 |
| #define TESTBUFSIZE_3 50050 |
| static u8_t testbuf_1[TESTBUFSIZE_1]; |
| static u8_t testbuf_1a[TESTBUFSIZE_1]; |
| static u8_t testbuf_2[TESTBUFSIZE_2]; |
| static u8_t testbuf_2a[TESTBUFSIZE_2]; |
| static u8_t testbuf_3[TESTBUFSIZE_3]; |
| static u8_t testbuf_3a[TESTBUFSIZE_3]; |
| |
| /* Test functions */ |
| START_TEST(test_pbuf_alloc_zero_pbufs) |
| { |
| struct pbuf *p; |
| LWIP_UNUSED_ARG(_i); |
| |
| p = pbuf_alloc(PBUF_RAW, 0, PBUF_ROM); |
| fail_unless(p != NULL); |
| if (p != NULL) { |
| pbuf_free(p); |
| } |
| |
| p = pbuf_alloc(PBUF_RAW, 0, PBUF_RAM); |
| fail_unless(p != NULL); |
| if (p != NULL) { |
| pbuf_free(p); |
| } |
| |
| p = pbuf_alloc(PBUF_RAW, 0, PBUF_REF); |
| fail_unless(p != NULL); |
| if (p != NULL) { |
| pbuf_free(p); |
| } |
| |
| p = pbuf_alloc(PBUF_RAW, 0, PBUF_POOL); |
| fail_unless(p != NULL); |
| if (p != NULL) { |
| pbuf_free(p); |
| } |
| } |
| END_TEST |
| |
| /** Call pbuf_copy on a pbuf with zero length */ |
| START_TEST(test_pbuf_copy_zero_pbuf) |
| { |
| struct pbuf *p1, *p2, *p3; |
| 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); |
| |
| p2 = pbuf_alloc(PBUF_RAW, 2, PBUF_POOL); |
| fail_unless(p2 != NULL); |
| fail_unless(p2->ref == 1); |
| p2->len = p2->tot_len = 0; |
| |
| pbuf_cat(p1, p2); |
| fail_unless(p1->ref == 1); |
| fail_unless(p2->ref == 1); |
| |
| p3 = pbuf_alloc(PBUF_RAW, p1->tot_len, PBUF_POOL); |
| err = pbuf_copy(p3, p1); |
| fail_unless(err == ERR_VAL); |
| |
| pbuf_free(p1); |
| pbuf_free(p3); |
| fail_unless(lwip_stats.mem.used == 0); |
| |
| fail_unless(lwip_stats.mem.used == 0); |
| fail_unless(MEMP_STATS_GET(used, MEMP_PBUF_POOL) == 0); |
| } |
| END_TEST |
| |
| START_TEST(test_pbuf_split_64k_on_small_pbufs) |
| { |
| struct pbuf *p, *rest=NULL; |
| LWIP_UNUSED_ARG(_i); |
| |
| p = pbuf_alloc(PBUF_RAW, 1, PBUF_POOL); |
| pbuf_split_64k(p, &rest); |
| fail_unless(p->tot_len == 1); |
| pbuf_free(p); |
| } |
| END_TEST |
| |
| START_TEST(test_pbuf_queueing_bigger_than_64k) |
| { |
| int i; |
| err_t err; |
| struct pbuf *p1, *p2, *p3, *rest2=NULL, *rest3=NULL; |
| LWIP_UNUSED_ARG(_i); |
| |
| for(i = 0; i < TESTBUFSIZE_1; i++) { |
| testbuf_1[i] = (u8_t)rand(); |
| } |
| for(i = 0; i < TESTBUFSIZE_2; i++) { |
| testbuf_2[i] = (u8_t)rand(); |
| } |
| for(i = 0; i < TESTBUFSIZE_3; i++) { |
| testbuf_3[i] = (u8_t)rand(); |
| } |
| |
| p1 = pbuf_alloc(PBUF_RAW, TESTBUFSIZE_1, PBUF_POOL); |
| fail_unless(p1 != NULL); |
| p2 = pbuf_alloc(PBUF_RAW, TESTBUFSIZE_2, PBUF_POOL); |
| fail_unless(p2 != NULL); |
| p3 = pbuf_alloc(PBUF_RAW, TESTBUFSIZE_3, PBUF_POOL); |
| fail_unless(p3 != NULL); |
| err = pbuf_take(p1, testbuf_1, TESTBUFSIZE_1); |
| fail_unless(err == ERR_OK); |
| err = pbuf_take(p2, testbuf_2, TESTBUFSIZE_2); |
| fail_unless(err == ERR_OK); |
| err = pbuf_take(p3, testbuf_3, TESTBUFSIZE_3); |
| fail_unless(err == ERR_OK); |
| |
| pbuf_cat(p1, p2); |
| pbuf_cat(p1, p3); |
| |
| pbuf_split_64k(p1, &rest2); |
| fail_unless(p1->tot_len == TESTBUFSIZE_1); |
| fail_unless(rest2->tot_len == (u16_t)((TESTBUFSIZE_2+TESTBUFSIZE_3) & 0xFFFF)); |
| pbuf_split_64k(rest2, &rest3); |
| fail_unless(rest2->tot_len == TESTBUFSIZE_2); |
| fail_unless(rest3->tot_len == TESTBUFSIZE_3); |
| |
| pbuf_copy_partial(p1, testbuf_1a, TESTBUFSIZE_1, 0); |
| pbuf_copy_partial(rest2, testbuf_2a, TESTBUFSIZE_2, 0); |
| pbuf_copy_partial(rest3, testbuf_3a, TESTBUFSIZE_3, 0); |
| fail_if(memcmp(testbuf_1, testbuf_1a, TESTBUFSIZE_1)); |
| fail_if(memcmp(testbuf_2, testbuf_2a, TESTBUFSIZE_2)); |
| fail_if(memcmp(testbuf_3, testbuf_3a, TESTBUFSIZE_3)); |
| |
| pbuf_free(p1); |
| pbuf_free(rest2); |
| pbuf_free(rest3); |
| } |
| END_TEST |
| |
| /* Test for bug that writing with pbuf_take_at() did nothing |
| * and returned ERR_OK when writing at beginning of a pbuf |
| * in the chain. |
| */ |
| START_TEST(test_pbuf_take_at_edge) |
| { |
| err_t res; |
| u8_t *out; |
| int i; |
| u8_t testdata[] = { 0x01, 0x08, 0x82, 0x02 }; |
| struct pbuf *p = pbuf_alloc(PBUF_RAW, 1024, PBUF_POOL); |
| struct pbuf *q = p->next; |
| LWIP_UNUSED_ARG(_i); |
| /* alloc big enough to get a chain of pbufs */ |
| fail_if(p->tot_len == p->len); |
| memset(p->payload, 0, p->len); |
| memset(q->payload, 0, q->len); |
| |
| /* copy data to the beginning of first pbuf */ |
| res = pbuf_take_at(p, &testdata, sizeof(testdata), 0); |
| fail_unless(res == ERR_OK); |
| |
| out = (u8_t*)p->payload; |
| for (i = 0; i < (int)sizeof(testdata); i++) { |
| fail_unless(out[i] == testdata[i], |
| "Bad data at pos %d, was %02X, expected %02X", i, out[i], testdata[i]); |
| } |
| |
| /* copy data to the just before end of first pbuf */ |
| res = pbuf_take_at(p, &testdata, sizeof(testdata), p->len - 1); |
| fail_unless(res == ERR_OK); |
| |
| out = (u8_t*)p->payload; |
| fail_unless(out[p->len - 1] == testdata[0], |
| "Bad data at pos %d, was %02X, expected %02X", p->len - 1, out[p->len - 1], testdata[0]); |
| out = (u8_t*)q->payload; |
| for (i = 1; i < (int)sizeof(testdata); i++) { |
| fail_unless(out[i-1] == testdata[i], |
| "Bad data at pos %d, was %02X, expected %02X", p->len - 1 + i, out[i-1], testdata[i]); |
| } |
| |
| /* copy data to the beginning of second pbuf */ |
| res = pbuf_take_at(p, &testdata, sizeof(testdata), p->len); |
| fail_unless(res == ERR_OK); |
| |
| out = (u8_t*)p->payload; |
| for (i = 0; i < (int)sizeof(testdata); i++) { |
| fail_unless(out[i] == testdata[i], |
| "Bad data at pos %d, was %02X, expected %02X", p->len+i, out[i], testdata[i]); |
| } |
| pbuf_free(p); |
| } |
| END_TEST |
| |
| /* Verify pbuf_put_at()/pbuf_get_at() when using |
| * offsets equal to beginning of new pbuf in chain |
| */ |
| START_TEST(test_pbuf_get_put_at_edge) |
| { |
| u8_t *out; |
| u8_t testdata = 0x01; |
| u8_t getdata; |
| struct pbuf *p = pbuf_alloc(PBUF_RAW, 1024, PBUF_POOL); |
| struct pbuf *q = p->next; |
| LWIP_UNUSED_ARG(_i); |
| /* alloc big enough to get a chain of pbufs */ |
| fail_if(p->tot_len == p->len); |
| memset(p->payload, 0, p->len); |
| memset(q->payload, 0, q->len); |
| |
| /* put byte at the beginning of second pbuf */ |
| pbuf_put_at(p, p->len, testdata); |
| |
| out = (u8_t*)q->payload; |
| fail_unless(*out == testdata, |
| "Bad data at pos %d, was %02X, expected %02X", p->len, *out, testdata); |
| |
| getdata = pbuf_get_at(p, p->len); |
| fail_unless(*out == getdata, |
| "pbuf_get_at() returned bad data at pos %d, was %02X, expected %02X", p->len, getdata, *out); |
| pbuf_free(p); |
| } |
| END_TEST |
| |
| /** Create the suite including all tests for this module */ |
| Suite * |
| pbuf_suite(void) |
| { |
| testfunc tests[] = { |
| TESTFUNC(test_pbuf_alloc_zero_pbufs), |
| TESTFUNC(test_pbuf_copy_zero_pbuf), |
| TESTFUNC(test_pbuf_split_64k_on_small_pbufs), |
| TESTFUNC(test_pbuf_queueing_bigger_than_64k), |
| TESTFUNC(test_pbuf_take_at_edge), |
| TESTFUNC(test_pbuf_get_put_at_edge) |
| }; |
| return create_suite("PBUF", tests, sizeof(tests)/sizeof(testfunc), pbuf_setup, pbuf_teardown); |
| } |