[457] | 1 | #include "test_pbuf.h"
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| 2 |
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| 3 | #include "lwip/pbuf.h"
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| 4 | #include "lwip/stats.h"
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| 5 |
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| 6 | #if !LWIP_STATS || !MEM_STATS ||!MEMP_STATS
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| 7 | #error "This tests needs MEM- and MEMP-statistics enabled"
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| 8 | #endif
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| 9 | #if LWIP_DNS
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| 10 | #error "This test needs DNS turned off (as it mallocs on init)"
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| 11 | #endif
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| 12 | #if !LWIP_TCP || !TCP_QUEUE_OOSEQ || !LWIP_WND_SCALE
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| 13 | #error "This test needs TCP OOSEQ queueing and window scaling enabled"
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| 14 | #endif
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| 15 |
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| 16 | /* Setups/teardown functions */
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| 17 |
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| 18 | static void
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| 19 | pbuf_setup(void)
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| 20 | {
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| 21 | lwip_check_ensure_no_alloc(SKIP_POOL(MEMP_SYS_TIMEOUT));
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| 22 | }
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| 23 |
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| 24 | static void
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| 25 | pbuf_teardown(void)
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| 26 | {
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| 27 | lwip_check_ensure_no_alloc(SKIP_POOL(MEMP_SYS_TIMEOUT));
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| 28 | }
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| 29 |
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| 30 |
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| 31 | #define TESTBUFSIZE_1 65535
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| 32 | #define TESTBUFSIZE_2 65530
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| 33 | #define TESTBUFSIZE_3 50050
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| 34 | static u8_t testbuf_1[TESTBUFSIZE_1];
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| 35 | static u8_t testbuf_1a[TESTBUFSIZE_1];
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| 36 | static u8_t testbuf_2[TESTBUFSIZE_2];
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| 37 | static u8_t testbuf_2a[TESTBUFSIZE_2];
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| 38 | static u8_t testbuf_3[TESTBUFSIZE_3];
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| 39 | static u8_t testbuf_3a[TESTBUFSIZE_3];
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| 40 |
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| 41 | /* Test functions */
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| 42 | START_TEST(test_pbuf_alloc_zero_pbufs)
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| 43 | {
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| 44 | struct pbuf *p;
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| 45 | LWIP_UNUSED_ARG(_i);
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| 46 |
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| 47 | p = pbuf_alloc(PBUF_RAW, 0, PBUF_ROM);
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| 48 | fail_unless(p != NULL);
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| 49 | if (p != NULL) {
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| 50 | pbuf_free(p);
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| 51 | }
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| 52 |
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| 53 | p = pbuf_alloc(PBUF_RAW, 0, PBUF_RAM);
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| 54 | fail_unless(p != NULL);
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| 55 | if (p != NULL) {
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| 56 | pbuf_free(p);
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| 57 | }
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| 58 |
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| 59 | p = pbuf_alloc(PBUF_RAW, 0, PBUF_REF);
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| 60 | fail_unless(p != NULL);
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| 61 | if (p != NULL) {
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| 62 | pbuf_free(p);
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| 63 | }
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| 64 |
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| 65 | p = pbuf_alloc(PBUF_RAW, 0, PBUF_POOL);
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| 66 | fail_unless(p != NULL);
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| 67 | if (p != NULL) {
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| 68 | pbuf_free(p);
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| 69 | }
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| 70 | }
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| 71 | END_TEST
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| 72 |
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| 73 | /** Call pbuf_copy on a pbuf with zero length */
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| 74 | START_TEST(test_pbuf_copy_zero_pbuf)
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| 75 | {
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| 76 | struct pbuf *p1, *p2, *p3;
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| 77 | err_t err;
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| 78 | LWIP_UNUSED_ARG(_i);
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| 79 |
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| 80 | fail_unless(lwip_stats.mem.used == 0);
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| 81 | fail_unless(MEMP_STATS_GET(used, MEMP_PBUF_POOL) == 0);
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| 82 |
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| 83 | p1 = pbuf_alloc(PBUF_RAW, 1024, PBUF_RAM);
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| 84 | fail_unless(p1 != NULL);
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| 85 | fail_unless(p1->ref == 1);
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| 86 |
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| 87 | p2 = pbuf_alloc(PBUF_RAW, 2, PBUF_POOL);
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| 88 | fail_unless(p2 != NULL);
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| 89 | fail_unless(p2->ref == 1);
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| 90 | p2->len = p2->tot_len = 0;
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| 91 |
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| 92 | pbuf_cat(p1, p2);
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| 93 | fail_unless(p1->ref == 1);
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| 94 | fail_unless(p2->ref == 1);
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| 95 |
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| 96 | p3 = pbuf_alloc(PBUF_RAW, p1->tot_len, PBUF_POOL);
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| 97 | err = pbuf_copy(p3, p1);
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| 98 | fail_unless(err == ERR_VAL);
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| 99 |
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| 100 | pbuf_free(p1);
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| 101 | pbuf_free(p3);
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| 102 | fail_unless(lwip_stats.mem.used == 0);
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| 103 |
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| 104 | fail_unless(lwip_stats.mem.used == 0);
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| 105 | fail_unless(MEMP_STATS_GET(used, MEMP_PBUF_POOL) == 0);
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| 106 | }
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| 107 | END_TEST
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| 108 |
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| 109 | START_TEST(test_pbuf_split_64k_on_small_pbufs)
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| 110 | {
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| 111 | struct pbuf *p, *rest=NULL;
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| 112 | LWIP_UNUSED_ARG(_i);
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| 113 |
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| 114 | p = pbuf_alloc(PBUF_RAW, 1, PBUF_POOL);
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| 115 | pbuf_split_64k(p, &rest);
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| 116 | fail_unless(p->tot_len == 1);
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| 117 | pbuf_free(p);
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| 118 | }
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| 119 | END_TEST
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| 120 |
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| 121 | START_TEST(test_pbuf_queueing_bigger_than_64k)
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| 122 | {
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| 123 | int i;
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| 124 | err_t err;
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| 125 | struct pbuf *p1, *p2, *p3, *rest2=NULL, *rest3=NULL;
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| 126 | LWIP_UNUSED_ARG(_i);
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| 127 |
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| 128 | for(i = 0; i < TESTBUFSIZE_1; i++) {
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| 129 | testbuf_1[i] = (u8_t)rand();
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| 130 | }
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| 131 | for(i = 0; i < TESTBUFSIZE_2; i++) {
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| 132 | testbuf_2[i] = (u8_t)rand();
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| 133 | }
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| 134 | for(i = 0; i < TESTBUFSIZE_3; i++) {
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| 135 | testbuf_3[i] = (u8_t)rand();
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| 136 | }
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| 137 |
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| 138 | p1 = pbuf_alloc(PBUF_RAW, TESTBUFSIZE_1, PBUF_POOL);
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| 139 | fail_unless(p1 != NULL);
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| 140 | p2 = pbuf_alloc(PBUF_RAW, TESTBUFSIZE_2, PBUF_POOL);
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| 141 | fail_unless(p2 != NULL);
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| 142 | p3 = pbuf_alloc(PBUF_RAW, TESTBUFSIZE_3, PBUF_POOL);
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| 143 | fail_unless(p3 != NULL);
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| 144 | err = pbuf_take(p1, testbuf_1, TESTBUFSIZE_1);
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| 145 | fail_unless(err == ERR_OK);
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| 146 | err = pbuf_take(p2, testbuf_2, TESTBUFSIZE_2);
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| 147 | fail_unless(err == ERR_OK);
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| 148 | err = pbuf_take(p3, testbuf_3, TESTBUFSIZE_3);
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| 149 | fail_unless(err == ERR_OK);
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| 150 |
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| 151 | pbuf_cat(p1, p2);
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| 152 | pbuf_cat(p1, p3);
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| 153 |
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| 154 | pbuf_split_64k(p1, &rest2);
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| 155 | fail_unless(p1->tot_len == TESTBUFSIZE_1);
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| 156 | fail_unless(rest2->tot_len == (u16_t)((TESTBUFSIZE_2+TESTBUFSIZE_3) & 0xFFFF));
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| 157 | pbuf_split_64k(rest2, &rest3);
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| 158 | fail_unless(rest2->tot_len == TESTBUFSIZE_2);
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| 159 | fail_unless(rest3->tot_len == TESTBUFSIZE_3);
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| 160 |
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| 161 | pbuf_copy_partial(p1, testbuf_1a, TESTBUFSIZE_1, 0);
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| 162 | pbuf_copy_partial(rest2, testbuf_2a, TESTBUFSIZE_2, 0);
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| 163 | pbuf_copy_partial(rest3, testbuf_3a, TESTBUFSIZE_3, 0);
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| 164 | fail_if(memcmp(testbuf_1, testbuf_1a, TESTBUFSIZE_1));
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| 165 | fail_if(memcmp(testbuf_2, testbuf_2a, TESTBUFSIZE_2));
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| 166 | fail_if(memcmp(testbuf_3, testbuf_3a, TESTBUFSIZE_3));
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| 167 |
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| 168 | pbuf_free(p1);
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| 169 | pbuf_free(rest2);
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| 170 | pbuf_free(rest3);
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| 171 | }
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| 172 | END_TEST
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| 173 |
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| 174 | /* Test for bug that writing with pbuf_take_at() did nothing
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| 175 | * and returned ERR_OK when writing at beginning of a pbuf
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| 176 | * in the chain.
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| 177 | */
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| 178 | START_TEST(test_pbuf_take_at_edge)
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| 179 | {
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| 180 | err_t res;
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| 181 | u8_t *out;
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| 182 | int i;
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| 183 | u8_t testdata[] = { 0x01, 0x08, 0x82, 0x02 };
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| 184 | struct pbuf *p = pbuf_alloc(PBUF_RAW, 1024, PBUF_POOL);
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| 185 | struct pbuf *q = p->next;
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| 186 | LWIP_UNUSED_ARG(_i);
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| 187 | /* alloc big enough to get a chain of pbufs */
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| 188 | fail_if(p->tot_len == p->len);
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| 189 | memset(p->payload, 0, p->len);
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| 190 | memset(q->payload, 0, q->len);
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| 191 |
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| 192 | /* copy data to the beginning of first pbuf */
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| 193 | res = pbuf_take_at(p, &testdata, sizeof(testdata), 0);
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| 194 | fail_unless(res == ERR_OK);
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| 195 |
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| 196 | out = (u8_t*)p->payload;
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| 197 | for (i = 0; i < (int)sizeof(testdata); i++) {
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| 198 | fail_unless(out[i] == testdata[i],
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| 199 | "Bad data at pos %d, was %02X, expected %02X", i, out[i], testdata[i]);
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| 200 | }
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| 201 |
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| 202 | /* copy data to the just before end of first pbuf */
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| 203 | res = pbuf_take_at(p, &testdata, sizeof(testdata), p->len - 1);
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| 204 | fail_unless(res == ERR_OK);
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| 205 |
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| 206 | out = (u8_t*)p->payload;
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| 207 | fail_unless(out[p->len - 1] == testdata[0],
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| 208 | "Bad data at pos %d, was %02X, expected %02X", p->len - 1, out[p->len - 1], testdata[0]);
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| 209 | out = (u8_t*)q->payload;
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| 210 | for (i = 1; i < (int)sizeof(testdata); i++) {
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| 211 | fail_unless(out[i-1] == testdata[i],
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| 212 | "Bad data at pos %d, was %02X, expected %02X", p->len - 1 + i, out[i-1], testdata[i]);
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| 213 | }
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| 214 |
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| 215 | /* copy data to the beginning of second pbuf */
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| 216 | res = pbuf_take_at(p, &testdata, sizeof(testdata), p->len);
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| 217 | fail_unless(res == ERR_OK);
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| 218 |
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| 219 | out = (u8_t*)p->payload;
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| 220 | for (i = 0; i < (int)sizeof(testdata); i++) {
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| 221 | fail_unless(out[i] == testdata[i],
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| 222 | "Bad data at pos %d, was %02X, expected %02X", p->len+i, out[i], testdata[i]);
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| 223 | }
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| 224 | pbuf_free(p);
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| 225 | }
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| 226 | END_TEST
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| 227 |
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| 228 | /* Verify pbuf_put_at()/pbuf_get_at() when using
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| 229 | * offsets equal to beginning of new pbuf in chain
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| 230 | */
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| 231 | START_TEST(test_pbuf_get_put_at_edge)
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| 232 | {
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| 233 | u8_t *out;
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| 234 | u8_t testdata = 0x01;
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| 235 | u8_t getdata;
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| 236 | struct pbuf *p = pbuf_alloc(PBUF_RAW, 1024, PBUF_POOL);
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| 237 | struct pbuf *q = p->next;
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| 238 | LWIP_UNUSED_ARG(_i);
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| 239 | /* alloc big enough to get a chain of pbufs */
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| 240 | fail_if(p->tot_len == p->len);
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| 241 | memset(p->payload, 0, p->len);
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| 242 | memset(q->payload, 0, q->len);
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| 243 |
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| 244 | /* put byte at the beginning of second pbuf */
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| 245 | pbuf_put_at(p, p->len, testdata);
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| 246 |
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| 247 | out = (u8_t*)q->payload;
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| 248 | fail_unless(*out == testdata,
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| 249 | "Bad data at pos %d, was %02X, expected %02X", p->len, *out, testdata);
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| 250 |
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| 251 | getdata = pbuf_get_at(p, p->len);
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| 252 | fail_unless(*out == getdata,
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| 253 | "pbuf_get_at() returned bad data at pos %d, was %02X, expected %02X", p->len, getdata, *out);
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| 254 | pbuf_free(p);
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| 255 | }
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| 256 | END_TEST
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| 257 |
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| 258 | /** Create the suite including all tests for this module */
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| 259 | Suite *
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| 260 | pbuf_suite(void)
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| 261 | {
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| 262 | testfunc tests[] = {
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| 263 | TESTFUNC(test_pbuf_alloc_zero_pbufs),
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| 264 | TESTFUNC(test_pbuf_copy_zero_pbuf),
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| 265 | TESTFUNC(test_pbuf_split_64k_on_small_pbufs),
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| 266 | TESTFUNC(test_pbuf_queueing_bigger_than_64k),
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| 267 | TESTFUNC(test_pbuf_take_at_edge),
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| 268 | TESTFUNC(test_pbuf_get_put_at_edge)
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| 269 | };
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| 270 | return create_suite("PBUF", tests, sizeof(tests)/sizeof(testfunc), pbuf_setup, pbuf_teardown);
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| 271 | }
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