/
trp_test.c
394 lines (327 loc) · 8 KB
/
trp_test.c
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
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <stdint.h>
#include <assert.h>
#include "trp.h"
#define NNODES 32
#define NSETS 200
//#define VERBOSE
//#define TREE_PRINT
//#define FORWARD_PRINT
//#define REVERSE_PRINT
typedef struct node_s node_t;
struct node_s {
#define NODE_MAGIC 0x9823af7e
uint32_t magic;
trp_node(node_t) link;
long key;
};
static int
nodeCmp(node_t *aA, node_t *aB) {
int rVal;
assert(aA->magic == NODE_MAGIC);
assert(aB->magic == NODE_MAGIC);
rVal = (aA->key > aB->key) - (aA->key < aB->key);
if (rVal == 0) {
// Duplicates are not allowed in the tree, so force an arbitrary
// ordering for non-identical items with equal keys.
rVal = (((uintptr_t) aA) > ((uintptr_t) aB))
- (((uintptr_t) aA) < ((uintptr_t) aB));
}
return rVal;
}
typedef trp(node_t) tree_t;
trp_gen(static, tree_, tree_t, node_t, link, nodeCmp, 1297, 1301);
static unsigned
treeRecurse(node_t *aNode) {
unsigned rVal = 0;
node_t *leftNode = trp_left_get(node_t, link, aNode);
node_t *rightNode = trp_right_get(node_t, link, aNode);
if (aNode == NULL) {
#ifdef TREE_PRINT
fprintf(stderr, ".");
#endif
return rVal;
}
/* Self. */
assert(aNode->magic == NODE_MAGIC);
#ifdef TREE_PRINT
fprintf(stderr, "%ld", aNode->key);
#endif
/* Left subtree. */
if (leftNode != NULL) {
#ifdef TREE_PRINT
fprintf(stderr, "[");
#endif
rVal += treeRecurse(leftNode);
#ifdef TREE_PRINT
fprintf(stderr, "]");
#endif
}
#ifdef TREE_PRINT
else {
fprintf(stderr, ".");
}
#endif
/* Right subtree. */
if (rightNode != NULL) {
#ifdef TREE_PRINT
fprintf(stderr, "<");
#endif
rVal += treeRecurse(rightNode);
#ifdef TREE_PRINT
fprintf(stderr, ">");
#endif
}
#ifdef TREE_PRINT
else {
fprintf(stderr, ".");
}
#endif
return rVal;
}
static node_t *
treeIterateCb(tree_t *aTree, node_t *aNode, void *data) {
unsigned *i = (unsigned *)data;
node_t *sNode;
assert(aNode->magic == NODE_MAGIC);
#ifdef FORWARD_PRINT
if (*i != 0) {
fprintf(stderr, "-->");
}
fprintf(stderr, "%ld", aNode->key);
#endif
/* Test trp_search(). */
sNode = tree_search(aTree, aNode);
assert(sNode == aNode);
/* Test trp_nsearch(). */
sNode = tree_nsearch(aTree, aNode);
assert(sNode == aNode);
/* Test trp_psearch(). */
sNode = tree_psearch(aTree, aNode);
assert(sNode == aNode);
(*i)++;
return NULL;
}
static unsigned
treeIterate(tree_t *aTree) {
unsigned i;
i = 0;
tree_iter(aTree, NULL, treeIterateCb, (void *)&i);
return i;
}
static node_t *
treeReverseIterateCb(tree_t *aTree, node_t *aNode, void *data) {
unsigned *i = (unsigned *)data;
node_t *sNode;
assert(aNode->magic == NODE_MAGIC);
#ifdef FORWARD_PRINT
if (*i != 0) {
fprintf(stderr, "<--");
}
fprintf(stderr, "%ld", aNode->key);
#endif
/* Test trp_search(). */
sNode = tree_search(aTree, aNode);
assert(sNode == aNode);
/* Test trp_nsearch(). */
sNode = tree_nsearch(aTree, aNode);
assert(sNode == aNode);
/* Test trp_psearch(). */
sNode = tree_psearch(aTree, aNode);
assert(sNode == aNode);
(*i)++;
return NULL;
}
static unsigned
treeIterateReverse(tree_t *aTree) {
unsigned i;
i = 0;
tree_reverse_iter(aTree, NULL, treeReverseIterateCb, (void *)&i);
return i;
}
static void
nodeRemove(tree_t *aTree, node_t *aNode, unsigned aNNodes) {
node_t *sNode;
#ifdef VERBOSE
fprintf(stderr, "trp_remove(%3ld)", aNode->key);
#endif
tree_remove(aTree, aNode);
/* Test trp_nsearch(). */
sNode = tree_nsearch(aTree, aNode);
assert(sNode == NULL || sNode->key >= aNode->key);
/* Test trp_psearch(). */
sNode = tree_psearch(aTree, aNode);
assert(sNode == NULL || sNode->key <= aNode->key);
aNode->magic = 0;
#ifdef TREE_PRINT
fprintf(stderr, "\n\t tree: ");
#endif
#ifdef FORWARD_PRINT
fprintf(stderr, "\n\tforward: ");
#endif
assert(aNNodes - 1 == treeIterate(aTree));
#ifdef REVERSE_PRINT
fprintf(stderr, "\n\treverse: ");
#endif
assert(aNNodes - 1 == treeIterateReverse(aTree));
#ifdef VERBOSE
fprintf(stderr, "\n");
#endif
}
static node_t *
removeIterateCb(tree_t *aTree, node_t *aNode, void *data) {
unsigned *nNodes = (unsigned *)data;
node_t *ret = tree_next(aTree, aNode);
nodeRemove(aTree, aNode, *nNodes);
return ret;
}
static node_t *
removeReverseIterateCb(tree_t *aTree, node_t *aNode, void *data) {
unsigned *nNodes = (unsigned *)data;
node_t *ret = tree_prev(aTree, aNode);
nodeRemove(aTree, aNode, *nNodes);
return ret;
}
int
main(void) {
tree_t tree;
long set[NNODES];
node_t nodes[NNODES], key, *sNode, *nodeA;
unsigned i, j, k;
fprintf(stderr, "Test begin\n");
/* Initialize tree. */
tree_new(&tree, 42);
/*
* Empty tree.
*/
fprintf(stderr, "Empty tree:\n");
/* trp_first(). */
nodeA = tree_first(&tree);
if (nodeA == NULL) {
fprintf(stderr, "trp_first() --> nil\n");
} else {
fprintf(stderr, "trp_first() --> %ld\n", nodeA->key);
}
/* trp_last(). */
nodeA = tree_last(&tree);
if (nodeA == NULL) {
fprintf(stderr, "trp_last() --> nil\n");
} else {
fprintf(stderr, "trp_last() --> %ld\n", nodeA->key);
}
/* trp_search(). */
key.key = 0;
key.magic = NODE_MAGIC;
nodeA = tree_search(&tree, &key);
if (nodeA == NULL) {
fprintf(stderr, "trp_search(0) --> nil\n");
} else {
fprintf(stderr, "trp_search(0) --> %ld\n", nodeA->key);
}
/* trp_nsearch(). */
key.key = 0;
key.magic = NODE_MAGIC;
nodeA = tree_nsearch(&tree, &key);
if (nodeA == NULL) {
fprintf(stderr, "trp_nsearch(0) --> nil\n");
} else {
fprintf(stderr, "trp_nsearch(0) --> %ld\n", nodeA->key);
}
/* trp_psearch(). */
key.key = 0;
key.magic = NODE_MAGIC;
nodeA = tree_psearch(&tree, &key);
if (nodeA == NULL) {
fprintf(stderr, "trp_psearch(0) --> nil\n");
} else {
fprintf(stderr, "trp_psearch(0) --> %ld\n", nodeA->key);
}
/* trp_insert(). */
srandom(42);
for (i = 0; i < NSETS; i++) {
for (j = 0; j < NNODES; j++) {
set[j] = (long) (((double) NNODES)
* ((double) random() / ((double)RAND_MAX)));
}
for (j = 1; j <= NNODES; j++) {
#ifdef VERBOSE
fprintf(stderr, "Tree %u, %u node%s\n", i, j, j != 1 ? "s" : "");
#endif
/* Initialize tree and nodes. */
tree_new(&tree, 42);
for (k = 0; k < j; k++) {
nodes[k].magic = NODE_MAGIC;
nodes[k].key = set[k];
}
/* Insert nodes. */
for (k = 0; k < j; k++) {
#ifdef VERBOSE
fprintf(stderr, "trp_insert(%3ld)", nodes[k].key);
#endif
tree_insert(&tree, &nodes[k]);
#ifdef TREE_PRINT
fprintf(stderr, "\n\t tree: ");
#endif
#ifdef FORWARD_PRINT
fprintf(stderr, "\n\tforward: ");
#endif
assert(k + 1 == treeIterate(&tree));
#ifdef REVERSE_PRINT
fprintf(stderr, "\n\treverse: ");
#endif
assert(k + 1 == treeIterateReverse(&tree));
#ifdef VERBOSE
fprintf(stderr, "\n");
#endif
sNode = tree_first(&tree);
assert(sNode != NULL);
sNode = tree_last(&tree);
assert(sNode != NULL);
sNode = tree_next(&tree, &nodes[k]);
sNode = tree_prev(&tree, &nodes[k]);
}
/* Remove nodes. */
switch (i % 4) {
case 0: {
for (k = 0; k < j; k++) {
nodeRemove(&tree, &nodes[k], j - k);
}
break;
} case 1: {
for (k = j; k > 0; k--) {
nodeRemove(&tree, &nodes[k-1], k);
}
break;
} case 2: {
node_t *start;
unsigned nNodes = j;
start = NULL;
do {
start = tree_iter(&tree, start, removeIterateCb,
(void *)&nNodes);
nNodes--;
} while (start != NULL);
assert(nNodes == 0);
break;
} case 3: {
node_t *start;
unsigned nNodes = j;
start = NULL;
do {
start = tree_reverse_iter(&tree, start,
removeReverseIterateCb, (void *)&nNodes);
nNodes--;
} while (start != NULL);
assert(nNodes == 0);
break;
} default: {
assert(false);
}
}
}
}
fprintf(stderr, "Test end\n");
return 0;
}