1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2021 Google LLC
* Written by Simon Glass <sjg@chromium.org>
*/
#include <common.h>
#include <abuf.h>
#include <mapmem.h>
#include <test/lib.h>
#include <test/test.h>
#include <test/ut.h>
static char test_data[] = "1234";
#define TEST_DATA_LEN sizeof(test_data)
/* Test abuf_set() */
static int lib_test_abuf_set(struct unit_test_state *uts)
{
struct abuf buf;
ulong start;
start = ut_check_free();
abuf_init(&buf);
abuf_set(&buf, test_data, TEST_DATA_LEN);
ut_asserteq_ptr(test_data, buf.data);
ut_asserteq(TEST_DATA_LEN, buf.size);
ut_asserteq(false, buf.alloced);
/* Force it to allocate */
ut_asserteq(true, abuf_realloc(&buf, TEST_DATA_LEN + 1));
ut_assertnonnull(buf.data);
ut_asserteq(TEST_DATA_LEN + 1, buf.size);
ut_asserteq(true, buf.alloced);
/* Now set it again, to force it to free */
abuf_set(&buf, test_data, TEST_DATA_LEN);
ut_asserteq_ptr(test_data, buf.data);
ut_asserteq(TEST_DATA_LEN, buf.size);
ut_asserteq(false, buf.alloced);
/* Check for memory leaks */
ut_assertok(ut_check_delta(start));
return 0;
}
LIB_TEST(lib_test_abuf_set, 0);
/* Test abuf_map_sysmem() */
static int lib_test_abuf_map_sysmem(struct unit_test_state *uts)
{
struct abuf buf;
ulong addr;
abuf_init(&buf);
addr = 0x100;
abuf_map_sysmem(&buf, addr, TEST_DATA_LEN);
ut_asserteq_ptr(map_sysmem(0x100, 0), buf.data);
ut_asserteq(TEST_DATA_LEN, buf.size);
ut_asserteq(false, buf.alloced);
return 0;
}
LIB_TEST(lib_test_abuf_map_sysmem, 0);
/* Test abuf_realloc() */
static int lib_test_abuf_realloc(struct unit_test_state *uts)
{
struct abuf buf;
ulong start;
void *ptr;
/*
* TODO: crashes on sandbox sometimes due to an apparent bug in
* realloc().
*/
return 0;
start = ut_check_free();
abuf_init(&buf);
/* Allocate an empty buffer */
ut_asserteq(true, abuf_realloc(&buf, 0));
ut_assertnull(buf.data);
ut_asserteq(0, buf.size);
ut_asserteq(false, buf.alloced);
/* Allocate a non-empty abuf */
ut_asserteq(true, abuf_realloc(&buf, TEST_DATA_LEN));
ut_assertnonnull(buf.data);
ut_asserteq(TEST_DATA_LEN, buf.size);
ut_asserteq(true, buf.alloced);
ptr = buf.data;
/*
* Make it smaller; the pointer should remain the same. Note this relies
* on knowledge of how U-Boot's realloc() works
*/
ut_asserteq(true, abuf_realloc(&buf, TEST_DATA_LEN - 1));
ut_asserteq(TEST_DATA_LEN - 1, buf.size);
ut_asserteq(true, buf.alloced);
ut_asserteq_ptr(ptr, buf.data);
/*
* Make it larger, forcing reallocation. Note this relies on knowledge
* of how U-Boot's realloc() works
*/
ut_asserteq(true, abuf_realloc(&buf, 0x1000));
ut_assert(buf.data != ptr);
ut_asserteq(0x1000, buf.size);
ut_asserteq(true, buf.alloced);
/* Free it */
ut_asserteq(true, abuf_realloc(&buf, 0));
ut_assertnull(buf.data);
ut_asserteq(0, buf.size);
ut_asserteq(false, buf.alloced);
/* Check for memory leaks */
ut_assertok(ut_check_delta(start));
return 0;
}
LIB_TEST(lib_test_abuf_realloc, 0);
/* Test abuf_realloc() on an non-allocated buffer of zero size */
static int lib_test_abuf_realloc_size(struct unit_test_state *uts)
{
struct abuf buf;
ulong start;
start = ut_check_free();
abuf_init(&buf);
/* Allocate some space */
ut_asserteq(true, abuf_realloc(&buf, TEST_DATA_LEN));
ut_assertnonnull(buf.data);
ut_asserteq(TEST_DATA_LEN, buf.size);
ut_asserteq(true, buf.alloced);
/* Free it */
ut_asserteq(true, abuf_realloc(&buf, 0));
ut_assertnull(buf.data);
ut_asserteq(0, buf.size);
ut_asserteq(false, buf.alloced);
/* Check for memory leaks */
ut_assertok(ut_check_delta(start));
return 0;
}
LIB_TEST(lib_test_abuf_realloc_size, 0);
/* Test handling of buffers that are too large */
static int lib_test_abuf_large(struct unit_test_state *uts)
{
struct abuf buf;
ulong start;
size_t size;
int delta;
void *ptr;
/*
* This crashes at present due to trying to allocate more memory than
* available, which breaks something on sandbox.
*/
return 0;
start = ut_check_free();
/* Try an impossible size */
abuf_init(&buf);
ut_asserteq(false, abuf_realloc(&buf, CONFIG_SYS_MALLOC_LEN));
ut_assertnull(buf.data);
ut_asserteq(0, buf.size);
ut_asserteq(false, buf.alloced);
abuf_uninit(&buf);
ut_assertnull(buf.data);
ut_asserteq(0, buf.size);
ut_asserteq(false, buf.alloced);
/* Start with a normal size then try to increase it, to check realloc */
ut_asserteq(true, abuf_realloc(&buf, TEST_DATA_LEN));
ut_assertnonnull(buf.data);
ut_asserteq(TEST_DATA_LEN, buf.size);
ut_asserteq(true, buf.alloced);
ptr = buf.data;
delta = ut_check_delta(start);
ut_assert(delta > 0);
/* try to increase it */
ut_asserteq(false, abuf_realloc(&buf, CONFIG_SYS_MALLOC_LEN));
ut_asserteq_ptr(ptr, buf.data);
ut_asserteq(TEST_DATA_LEN, buf.size);
ut_asserteq(true, buf.alloced);
ut_asserteq(delta, ut_check_delta(start));
/* Check for memory leaks */
abuf_uninit(&buf);
ut_assertok(ut_check_delta(start));
/* Start with a huge unallocated buf and try to move it */
abuf_init(&buf);
abuf_map_sysmem(&buf, 0, CONFIG_SYS_MALLOC_LEN);
ut_asserteq(CONFIG_SYS_MALLOC_LEN, buf.size);
ut_asserteq(false, buf.alloced);
ut_assertnull(abuf_uninit_move(&buf, &size));
/* Check for memory leaks */
abuf_uninit(&buf);
ut_assertok(ut_check_delta(start));
return 0;
}
LIB_TEST(lib_test_abuf_large, 0);
/* Test abuf_uninit_move() */
static int lib_test_abuf_uninit_move(struct unit_test_state *uts)
{
void *ptr, *orig_ptr;
struct abuf buf;
size_t size;
ulong start;
int delta;
start = ut_check_free();
/*
* TODO: crashes on sandbox sometimes due to an apparent bug in
* realloc().
*/
return 0;
/* Move an empty buffer */
abuf_init(&buf);
ut_assertnull(abuf_uninit_move(&buf, &size));
ut_asserteq(0, size);
ut_assertnull(abuf_uninit_move(&buf, NULL));
/* Move an unallocated buffer */
abuf_set(&buf, test_data, TEST_DATA_LEN);
ut_assertok(ut_check_delta(start));
ptr = abuf_uninit_move(&buf, &size);
ut_asserteq(TEST_DATA_LEN, size);
ut_asserteq_str(ptr, test_data);
ut_assertnonnull(ptr);
ut_assertnull(buf.data);
ut_asserteq(0, buf.size);
ut_asserteq(false, buf.alloced);
/* Check that freeing it frees the only allocation */
delta = ut_check_delta(start);
ut_assert(delta > 0);
free(ptr);
ut_assertok(ut_check_delta(start));
/* Move an allocated buffer */
ut_asserteq(true, abuf_realloc(&buf, TEST_DATA_LEN));
orig_ptr = buf.data;
strcpy(orig_ptr, test_data);
delta = ut_check_delta(start);
ut_assert(delta > 0);
ptr = abuf_uninit_move(&buf, &size);
ut_asserteq(TEST_DATA_LEN, size);
ut_assertnonnull(ptr);
ut_asserteq_ptr(ptr, orig_ptr);
ut_asserteq_str(ptr, test_data);
ut_assertnull(buf.data);
ut_asserteq(0, buf.size);
ut_asserteq(false, buf.alloced);
/* Check there was no new allocation */
ut_asserteq(delta, ut_check_delta(start));
/* Check that freeing it frees the only allocation */
free(ptr);
ut_assertok(ut_check_delta(start));
/* Move an unallocated buffer, without the size */
abuf_set(&buf, test_data, TEST_DATA_LEN);
ut_assertok(ut_check_delta(start));
ptr = abuf_uninit_move(&buf, NULL);
ut_asserteq_str(ptr, test_data);
return 0;
}
LIB_TEST(lib_test_abuf_uninit_move, 0);
/* Test abuf_uninit() */
static int lib_test_abuf_uninit(struct unit_test_state *uts)
{
struct abuf buf;
/* Nothing in the buffer */
abuf_init(&buf);
abuf_uninit(&buf);
ut_assertnull(buf.data);
ut_asserteq(0, buf.size);
ut_asserteq(false, buf.alloced);
/* Not allocated */
abuf_set(&buf, test_data, TEST_DATA_LEN);
abuf_uninit(&buf);
ut_assertnull(buf.data);
ut_asserteq(0, buf.size);
ut_asserteq(false, buf.alloced);
return 0;
}
LIB_TEST(lib_test_abuf_uninit, 0);
/* Test abuf_init_set() */
static int lib_test_abuf_init_set(struct unit_test_state *uts)
{
struct abuf buf;
abuf_init_set(&buf, test_data, TEST_DATA_LEN);
ut_asserteq_ptr(test_data, buf.data);
ut_asserteq(TEST_DATA_LEN, buf.size);
ut_asserteq(false, buf.alloced);
return 0;
}
LIB_TEST(lib_test_abuf_init_set, 0);
/* Test abuf_init_move() */
static int lib_test_abuf_init_move(struct unit_test_state *uts)
{
struct abuf buf;
void *ptr;
/*
* TODO: crashes on sandbox sometimes due to an apparent bug in
* realloc().
*/
return 0;
ptr = strdup(test_data);
ut_assertnonnull(ptr);
free(ptr);
abuf_init_move(&buf, ptr, TEST_DATA_LEN);
ut_asserteq_ptr(ptr, abuf_data(&buf));
ut_asserteq(TEST_DATA_LEN, abuf_size(&buf));
ut_asserteq(true, buf.alloced);
return 0;
}
LIB_TEST(lib_test_abuf_init_move, 0);
/* Test abuf_init() */
static int lib_test_abuf_init(struct unit_test_state *uts)
{
struct abuf buf;
buf.data = &buf;
buf.size = 123;
buf.alloced = true;
abuf_init(&buf);
ut_assertnull(buf.data);
ut_asserteq(0, buf.size);
ut_asserteq(false, buf.alloced);
return 0;
}
LIB_TEST(lib_test_abuf_init, 0);
|