summaryrefslogtreecommitdiff
blob: 35ba9978744b2f8366ffe96fc2f3f5b1078e93ca (plain)
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
#include <config.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "internal.h"
#include "util.h"
#include "testutils.h"
#include "buf.h"
#include "memory.h"

#define TEST_ERROR(...)                             \
    do {                                            \
        if (virTestGetDebug())                      \
            fprintf(stderr, __VA_ARGS__);           \
    } while (0)

struct testInfo {
    int doEscape;
};

static int testBufInfiniteLoop(const void *data)
{
    virBuffer bufinit = VIR_BUFFER_INITIALIZER;
    virBufferPtr buf = &bufinit;
    char *addstr = NULL, *bufret = NULL;
    int ret = -1;
    const struct testInfo *info = data;

    virBufferAddChar(buf, 'a');

    /*
     * Infinite loop used to trigger if:
     * (strlen + 1 > 1000) && (strlen == buf-size - buf-use - 1)
     * which was the case after the above addchar at the time of the bug.
     * This test is a bit fragile, since it relies on virBuffer internals.
     */
    if (virAsprintf(&addstr, "%*s", buf->a - buf->b - 1, "a") < 0) {
        goto out;
    }

    if (info->doEscape)
        virBufferEscapeString(buf, "%s", addstr);
    else
        virBufferAsprintf(buf, "%s", addstr);

    ret = 0;
out:
    bufret = virBufferContentAndReset(buf);
    if (!bufret) {
        TEST_ERROR("Buffer had error set");
        ret = -1;
    }

    VIR_FREE(addstr);
    VIR_FREE(bufret);
    return ret;
}

static int testBufAutoIndent(const void *data ATTRIBUTE_UNUSED)
{
    virBuffer bufinit = VIR_BUFFER_INITIALIZER;
    virBufferPtr buf = &bufinit;
    const char expected[] =
        "  1\n  2\n  3\n  4\n  5\n  6\n  7\n  &amp;\n  8\n  9\n  10\n  ' 11'\n";
    char *result = NULL;
    int ret = 0;

    if (virBufferGetIndent(buf, false) != 0 ||
        virBufferGetIndent(buf, true) != 0) {
        TEST_ERROR("Wrong indentation");
        ret = -1;
    }
    virBufferAdjustIndent(buf, 3);
    if (STRNEQ(virBufferCurrentContent(buf), "")) {
        TEST_ERROR("Wrong content");
        ret = -1;
    }
    if (virBufferGetIndent(buf, false) != 3 ||
        virBufferGetIndent(buf, true) != 3 ||
        virBufferError(buf)) {
        TEST_ERROR("Wrong indentation");
        ret = -1;
    }
    virBufferAdjustIndent(buf, -2);
    if (virBufferGetIndent(buf, false) != 1 ||
        virBufferGetIndent(buf, true) != 1 ||
        virBufferError(buf)) {
        TEST_ERROR("Wrong indentation");
        ret = -1;
    }
    virBufferAdjustIndent(buf, -3);
    if (virBufferGetIndent(buf, false) != -1 ||
        virBufferGetIndent(buf, true) != -1 ||
        virBufferError(buf) != -1) {
        TEST_ERROR("Usage error not flagged");
        ret = -1;
    }
    virBufferFreeAndReset(buf);
    if (virBufferGetIndent(buf, false) != 0 ||
        virBufferGetIndent(buf, true) != 0 ||
        virBufferError(buf)) {
        TEST_ERROR("Reset didn't clear indentation");
        ret = -1;
    }
    virBufferAdjustIndent(buf, 2);
    virBufferAddLit(buf, "1");
    if (STRNEQ(virBufferCurrentContent(buf), "  1")) {
        TEST_ERROR("Wrong content");
        ret = -1;
    }
    if (virBufferGetIndent(buf, false) != 2 ||
        virBufferGetIndent(buf, true) != 0) {
        TEST_ERROR("Wrong indentation");
        ret = -1;
    }
    virBufferAddLit(buf, "\n");
    virBufferAdd(buf, "" "2\n", -1); /* Extra "" appeases syntax-check */
    virBufferAddChar(buf, '3');
    virBufferAddChar(buf, '\n');
    virBufferAsprintf(buf, "%d", 4);
    virBufferAsprintf(buf, "%c", '\n');
    virBufferStrcat(buf, "5", "\n", "6\n", NULL);
    virBufferEscapeString(buf, "%s\n", "7");
    virBufferEscapeString(buf, "%s\n", "&");
    virBufferEscapeSexpr(buf, "%s", "8\n");
    virBufferURIEncodeString(buf, "9");
    virBufferAddChar(buf, '\n');
    virBufferEscapeShell(buf, "10");
    virBufferAddChar(buf, '\n');
    virBufferEscapeShell(buf, " 11");
    virBufferAddChar(buf, '\n');

    result = virBufferContentAndReset(buf);
    if (!result || STRNEQ(result, expected)) {
        virtTestDifference(stderr, expected, result);
        ret = -1;
    }
    VIR_FREE(result);
    return ret;
}

static int testBufTrim(const void *data ATTRIBUTE_UNUSED)
{
    virBuffer bufinit = VIR_BUFFER_INITIALIZER;
    virBufferPtr buf = NULL;
    char *result = NULL;
    const char *expected = "a,b";
    int ret = -1;
    int i = 1;

#define ACT(str, len, result) \
    do {                                          \
        if (virBufferTrim(buf, str, len) != result) {   \
            TEST_ERROR("trim %d failed", i);            \
            goto cleanup;                               \
        }                                               \
        i++;                                            \
    } while (0);

    if (virBufferTrim(buf, "", 0) != -1) {
        TEST_ERROR("Wrong failure detection 1");
        goto cleanup;
    }
    buf = &bufinit;
    if (virBufferTrim(buf, NULL, -1) != -1) {
        TEST_ERROR("Wrong failure detection 2");
        goto cleanup;
    }

    virBufferAddLit(buf, "a;");
    ACT("", 0, 1);
    ACT("", -1, 1);
    ACT(NULL, 1, 1);
    ACT(NULL, 5, 0);
    ACT("a", 2, 0);

    virBufferAddLit(buf, ",b,,");
    ACT("b", -1, 0);
    ACT("b,,", 1, 1);
    ACT(",", -1, 1);

    result = virBufferContentAndReset(buf);
    if (!result || STRNEQ(result, expected)) {
        virtTestDifference(stderr, expected, result);
        goto cleanup;
    }

    ret = 0;

cleanup:
    virBufferFreeAndReset(buf);
    VIR_FREE(result);
    return ret;
}


static int
mymain(void)
{
    int ret = 0;


#define DO_TEST(msg, cb, data)                                         \
    do {                                                               \
        struct testInfo info = { data };                               \
        if (virtTestRun("Buf: " msg, 1, cb, &info) < 0)                 \
            ret = -1;                                                  \
    } while (0)

    DO_TEST("EscapeString infinite loop", testBufInfiniteLoop, 1);
    DO_TEST("VSprintf infinite loop", testBufInfiniteLoop, 0);
    DO_TEST("Auto-indentation", testBufAutoIndent, 0);
    DO_TEST("Trim", testBufTrim, 0);

    return ret==0 ? EXIT_SUCCESS : EXIT_FAILURE;
}

VIRT_TEST_MAIN(mymain)