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