summaryrefslogtreecommitdiffstats
path: root/src/test/test-list.c
blob: 87f7c7b3d466fe4d8afed107bab640502695da38 (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
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
/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include "alloc-util.h"
#include "list.h"
#include "tests.h"

int main(int argc, const char *argv[]) {
        test_setup_logging(LOG_DEBUG);

        size_t i;
        typedef struct list_item {
                LIST_FIELDS(struct list_item, item_list);
        } list_item;
        LIST_HEAD(list_item, head);
        LIST_HEAD(list_item, head2);
        list_item items[4];

        LIST_HEAD_INIT(head);
        LIST_HEAD_INIT(head2);
        assert_se(head == NULL);
        assert_se(head2 == NULL);

        for (i = 0; i < ELEMENTSOF(items); i++) {
                LIST_INIT(item_list, &items[i]);
                assert_se(LIST_JUST_US(item_list, &items[i]));
                assert_se(LIST_PREPEND(item_list, head, &items[i]) == &items[i]);
        }

        i = 0;
        LIST_FOREACH_OTHERS(item_list, cursor, &items[2]) {
                i++;
                assert_se(cursor != &items[2]);
        }
        assert_se(i == ELEMENTSOF(items)-1);

        i = 0;
        LIST_FOREACH_OTHERS(item_list, cursor, &items[0]) {
                i++;
                assert_se(cursor != &items[0]);
        }
        assert_se(i == ELEMENTSOF(items)-1);

        i = 0;
        LIST_FOREACH_OTHERS(item_list, cursor, &items[3]) {
                i++;
                assert_se(cursor != &items[3]);
        }
        assert_se(i == ELEMENTSOF(items)-1);

        assert_se(!LIST_JUST_US(item_list, head));

        assert_se(items[0].item_list_next == NULL);
        assert_se(items[1].item_list_next == &items[0]);
        assert_se(items[2].item_list_next == &items[1]);
        assert_se(items[3].item_list_next == &items[2]);

        assert_se(items[0].item_list_prev == &items[1]);
        assert_se(items[1].item_list_prev == &items[2]);
        assert_se(items[2].item_list_prev == &items[3]);
        assert_se(items[3].item_list_prev == NULL);

        list_item *cursor = LIST_FIND_HEAD(item_list, &items[0]);
        assert_se(cursor == &items[3]);

        cursor = LIST_FIND_TAIL(item_list, &items[3]);
        assert_se(cursor == &items[0]);

        assert_se(LIST_REMOVE(item_list, head, &items[1]) == &items[1]);
        assert_se(LIST_JUST_US(item_list, &items[1]));

        assert_se(items[0].item_list_next == NULL);
        assert_se(items[2].item_list_next == &items[0]);
        assert_se(items[3].item_list_next == &items[2]);

        assert_se(items[0].item_list_prev == &items[2]);
        assert_se(items[2].item_list_prev == &items[3]);
        assert_se(items[3].item_list_prev == NULL);

        assert_se(LIST_INSERT_AFTER(item_list, head, &items[3], &items[1]) == &items[1]);
        assert_se(items[0].item_list_next == NULL);
        assert_se(items[2].item_list_next == &items[0]);
        assert_se(items[1].item_list_next == &items[2]);
        assert_se(items[3].item_list_next == &items[1]);

        assert_se(items[0].item_list_prev == &items[2]);
        assert_se(items[2].item_list_prev == &items[1]);
        assert_se(items[1].item_list_prev == &items[3]);
        assert_se(items[3].item_list_prev == NULL);

        assert_se(LIST_REMOVE(item_list, head, &items[1]) == &items[1]);
        assert_se(LIST_JUST_US(item_list, &items[1]));

        assert_se(items[0].item_list_next == NULL);
        assert_se(items[2].item_list_next == &items[0]);
        assert_se(items[3].item_list_next == &items[2]);

        assert_se(items[0].item_list_prev == &items[2]);
        assert_se(items[2].item_list_prev == &items[3]);
        assert_se(items[3].item_list_prev == NULL);

        assert_se(LIST_INSERT_BEFORE(item_list, head, &items[2], &items[1]) == &items[1]);
        assert_se(items[0].item_list_next == NULL);
        assert_se(items[2].item_list_next == &items[0]);
        assert_se(items[1].item_list_next == &items[2]);
        assert_se(items[3].item_list_next == &items[1]);

        assert_se(items[0].item_list_prev == &items[2]);
        assert_se(items[2].item_list_prev == &items[1]);
        assert_se(items[1].item_list_prev == &items[3]);
        assert_se(items[3].item_list_prev == NULL);

        assert_se(LIST_REMOVE(item_list, head, &items[0]) == &items[0]);
        assert_se(LIST_JUST_US(item_list, &items[0]));

        assert_se(items[2].item_list_next == NULL);
        assert_se(items[1].item_list_next == &items[2]);
        assert_se(items[3].item_list_next == &items[1]);

        assert_se(items[2].item_list_prev == &items[1]);
        assert_se(items[1].item_list_prev == &items[3]);
        assert_se(items[3].item_list_prev == NULL);

        assert_se(LIST_INSERT_BEFORE(item_list, head, &items[3], &items[0]) == &items[0]);
        assert_se(items[2].item_list_next == NULL);
        assert_se(items[1].item_list_next == &items[2]);
        assert_se(items[3].item_list_next == &items[1]);
        assert_se(items[0].item_list_next == &items[3]);

        assert_se(items[2].item_list_prev == &items[1]);
        assert_se(items[1].item_list_prev == &items[3]);
        assert_se(items[3].item_list_prev == &items[0]);
        assert_se(items[0].item_list_prev == NULL);
        assert_se(head == &items[0]);

        assert_se(LIST_REMOVE(item_list, head, &items[0]) == &items[0]);
        assert_se(LIST_JUST_US(item_list, &items[0]));

        assert_se(items[2].item_list_next == NULL);
        assert_se(items[1].item_list_next == &items[2]);
        assert_se(items[3].item_list_next == &items[1]);

        assert_se(items[2].item_list_prev == &items[1]);
        assert_se(items[1].item_list_prev == &items[3]);
        assert_se(items[3].item_list_prev == NULL);

        assert_se(LIST_INSERT_BEFORE(item_list, head, NULL, &items[0]) == &items[0]);
        assert_se(items[0].item_list_next == NULL);
        assert_se(items[2].item_list_next == &items[0]);
        assert_se(items[1].item_list_next == &items[2]);
        assert_se(items[3].item_list_next == &items[1]);

        assert_se(items[0].item_list_prev == &items[2]);
        assert_se(items[2].item_list_prev == &items[1]);
        assert_se(items[1].item_list_prev == &items[3]);
        assert_se(items[3].item_list_prev == NULL);

        assert_se(LIST_REMOVE(item_list, head, &items[0]) == &items[0]);
        assert_se(LIST_JUST_US(item_list, &items[0]));

        assert_se(items[2].item_list_next == NULL);
        assert_se(items[1].item_list_next == &items[2]);
        assert_se(items[3].item_list_next == &items[1]);

        assert_se(items[2].item_list_prev == &items[1]);
        assert_se(items[1].item_list_prev == &items[3]);
        assert_se(items[3].item_list_prev == NULL);

        assert_se(LIST_REMOVE(item_list, head, &items[1]) == &items[1]);
        assert_se(LIST_JUST_US(item_list, &items[1]));

        assert_se(items[2].item_list_next == NULL);
        assert_se(items[3].item_list_next == &items[2]);

        assert_se(items[2].item_list_prev == &items[3]);
        assert_se(items[3].item_list_prev == NULL);

        assert_se(LIST_REMOVE(item_list, head, &items[2]) == &items[2]);
        assert_se(LIST_JUST_US(item_list, &items[2]));
        assert_se(LIST_JUST_US(item_list, head));

        assert_se(LIST_REMOVE(item_list, head, &items[3]) == &items[3]);
        assert_se(LIST_JUST_US(item_list, &items[3]));

        assert_se(head == NULL);

        for (i = 0; i < ELEMENTSOF(items); i++) {
                assert_se(LIST_JUST_US(item_list, &items[i]));
                assert_se(LIST_APPEND(item_list, head, &items[i]) == &items[i]);
        }

        assert_se(!LIST_JUST_US(item_list, head));

        assert_se(items[0].item_list_next == &items[1]);
        assert_se(items[1].item_list_next == &items[2]);
        assert_se(items[2].item_list_next == &items[3]);
        assert_se(items[3].item_list_next == NULL);

        assert_se(items[0].item_list_prev == NULL);
        assert_se(items[1].item_list_prev == &items[0]);
        assert_se(items[2].item_list_prev == &items[1]);
        assert_se(items[3].item_list_prev == &items[2]);

        for (i = 0; i < ELEMENTSOF(items); i++)
                assert_se(LIST_REMOVE(item_list, head, &items[i]) == &items[i]);

        assert_se(head == NULL);

        for (i = 0; i < ELEMENTSOF(items) / 2; i++) {
                LIST_INIT(item_list, &items[i]);
                assert_se(LIST_JUST_US(item_list, &items[i]));
                assert_se(LIST_PREPEND(item_list, head, &items[i]) == &items[i]);
        }

        for (i = ELEMENTSOF(items) / 2; i < ELEMENTSOF(items); i++) {
                LIST_INIT(item_list, &items[i]);
                assert_se(LIST_JUST_US(item_list, &items[i]));
                assert_se(LIST_PREPEND(item_list, head2, &items[i]) == &items[i]);
        }

        assert_se(items[0].item_list_next == NULL);
        assert_se(items[1].item_list_next == &items[0]);
        assert_se(items[2].item_list_next == NULL);
        assert_se(items[3].item_list_next == &items[2]);

        assert_se(items[0].item_list_prev == &items[1]);
        assert_se(items[1].item_list_prev == NULL);
        assert_se(items[2].item_list_prev == &items[3]);
        assert_se(items[3].item_list_prev == NULL);

        assert_se(LIST_JOIN(item_list, head2, head) == head2);
        assert_se(head == NULL);

        assert_se(items[0].item_list_next == NULL);
        assert_se(items[1].item_list_next == &items[0]);
        assert_se(items[2].item_list_next == &items[1]);
        assert_se(items[3].item_list_next == &items[2]);

        assert_se(items[0].item_list_prev == &items[1]);
        assert_se(items[1].item_list_prev == &items[2]);
        assert_se(items[2].item_list_prev == &items[3]);
        assert_se(items[3].item_list_prev == NULL);

        assert_se(LIST_JOIN(item_list, head, head2) == head);
        assert_se(head2 == NULL);
        assert_se(head);

        for (i = 0; i < ELEMENTSOF(items); i++)
                assert_se(LIST_REMOVE(item_list, head, &items[i]) == &items[i]);

        assert_se(head == NULL);

        assert_se(LIST_PREPEND(item_list, head, items + 0) == items + 0);
        assert_se(LIST_PREPEND(item_list, head, items + 1) == items + 1);
        assert_se(LIST_PREPEND(item_list, head, items + 2) == items + 2);

        assert_se(LIST_POP(item_list, head) == items + 2);
        assert_se(LIST_POP(item_list, head) == items + 1);
        assert_se(LIST_POP(item_list, head) == items + 0);
        assert_se(LIST_POP(item_list, head) == NULL);

        /* No-op on an empty list */

        LIST_CLEAR(item_list, head, free);

        /* A non-empty list is cleared */

        assert_se(LIST_PREPEND(item_list, head, new0(list_item, 1)));
        assert_se(LIST_PREPEND(item_list, head, new0(list_item, 1)));

        LIST_CLEAR(item_list, head, free);

        assert_se(head == NULL);

        /* A list can be cleared partially */

        assert_se(LIST_PREPEND(item_list, head, new0(list_item, 1)));
        assert_se(LIST_PREPEND(item_list, head, new0(list_item, 1)));
        assert_se(LIST_PREPEND(item_list, head, items + 0) == items + 0);

        LIST_CLEAR(item_list, head->item_list_next, free);

        assert_se(head == items + 0);
        assert_se(head->item_list_next == NULL);

        return 0;
}