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
|
/*
* Copyright (C) 2016 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <shared/scratchbuf.h>
#include "testsuite.h"
static int test_scratchbuf_onlystack(const struct test *t)
{
struct scratchbuf sbuf;
const char *smallstr = "xyz";
char buf[3 + 2];
char buf2[3 + 1];
scratchbuf_init(&sbuf, buf, sizeof(buf));
assert_return(scratchbuf_alloc(&sbuf, strlen(smallstr) + 1) == 0, EXIT_FAILURE);
assert_return(sbuf.need_free == false, EXIT_FAILURE);
scratchbuf_release(&sbuf);
scratchbuf_init(&sbuf, buf2, sizeof(buf2));
assert_return(scratchbuf_alloc(&sbuf, strlen(smallstr) + 1) == 0, EXIT_FAILURE);
assert_return(sbuf.need_free == false, EXIT_FAILURE);
scratchbuf_release(&sbuf);
memcpy(scratchbuf_str(&sbuf), smallstr, strlen(smallstr) + 1);
assert_return(strcmp(scratchbuf_str(&sbuf), smallstr) == 0, EXIT_FAILURE);
return 0;
}
DEFINE_TEST(test_scratchbuf_onlystack,
.description = "test scratchbuf for buffer on stack only");
static int test_scratchbuf_heap(const struct test *t)
{
struct scratchbuf sbuf;
const char *smallstr = "xyz";
const char *largestr = "xyzxyzxyz";
const char *largestr2 = "xyzxyzxyzxyzxyz";
char buf[3 + 1];
scratchbuf_init(&sbuf, buf, sizeof(buf));
/* Initially only on stack */
assert_return(scratchbuf_alloc(&sbuf, strlen(smallstr) + 1) == 0, EXIT_FAILURE);
assert_return(sbuf.need_free == false, EXIT_FAILURE);
memcpy(scratchbuf_str(&sbuf), smallstr, strlen(smallstr) + 1);
/* Grow once to heap */
assert_return(scratchbuf_alloc(&sbuf, strlen(largestr) + 1) == 0, EXIT_FAILURE);
assert_return(sbuf.need_free == true, EXIT_FAILURE);
assert_return(sbuf.size == strlen(largestr) + 1, EXIT_FAILURE);
assert_return(strcmp(scratchbuf_str(&sbuf), smallstr) == 0, EXIT_FAILURE);
memcpy(scratchbuf_str(&sbuf), largestr, strlen(largestr) + 1);
assert_return(strcmp(scratchbuf_str(&sbuf), largestr) == 0, EXIT_FAILURE);
/* Grow again - realloc should take place */
assert_return(scratchbuf_alloc(&sbuf, strlen(largestr2) + 1) == 0, EXIT_FAILURE);
assert_return(sbuf.need_free == true, EXIT_FAILURE);
assert_return(sbuf.size == strlen(largestr2) + 1, EXIT_FAILURE);
memcpy(scratchbuf_str(&sbuf), largestr2, strlen(largestr2) + 1);
assert_return(strcmp(scratchbuf_str(&sbuf), largestr2) == 0, EXIT_FAILURE);
scratchbuf_release(&sbuf);
return 0;
}
DEFINE_TEST(test_scratchbuf_heap,
.description = "test scratchbuf for buffer on that grows to heap");
TESTSUITE_MAIN();
|
