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1 | /* -*-c-*- |
2 | * |
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3 | * $Id: testrig.c,v 1.9 2000/06/17 10:35:07 mdw Exp $ |
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4 | * |
5 | * Generic test driver |
6 | * |
7 | * (c) 1998 Straylight/Edgeware |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
11 | * |
12 | * This file is part of the mLib utilities library. |
13 | * |
14 | * mLib is free software; you can redistribute it and/or modify |
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15 | * it under the terms of the GNU Library General Public License as |
16 | * published by the Free Software Foundation; either version 2 of the |
17 | * License, or (at your option) any later version. |
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18 | * |
19 | * mLib is distributed in the hope that it will be useful, |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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22 | * GNU Library General Public License for more details. |
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23 | * |
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24 | * You should have received a copy of the GNU Library General Public |
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25 | * License along with mLib; if not, write to the Free |
26 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
27 | * MA 02111-1307, USA. |
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28 | */ |
29 | |
30 | /*----- Revision history --------------------------------------------------* |
31 | * |
32 | * $Log: testrig.c,v $ |
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33 | * Revision 1.9 2000/06/17 10:35:07 mdw |
34 | * Initialize the token buffer properly. |
35 | * |
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36 | * Revision 1.8 1999/12/10 23:41:37 mdw |
37 | * Support for different sizes and types of integers. |
38 | * |
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39 | * Revision 1.7 1999/11/21 13:01:39 mdw |
40 | * Allow more characters to start words in test vector files. |
41 | * |
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42 | * Revision 1.6 1999/11/16 15:03:23 mdw |
43 | * Mark test types as constant. |
44 | * |
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45 | * Revision 1.5 1999/05/21 22:14:30 mdw |
46 | * Take advantage of the new dynamic string macros. |
47 | * |
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48 | * Revision 1.4 1999/05/19 19:02:17 mdw |
49 | * Aesthetic changes: fix spelling of `initialize'; use uppercase token |
50 | * constants; abandon old double-underscore convention for internal |
51 | * functions and variables. |
52 | * |
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53 | * Revision 1.3 1999/05/06 19:51:35 mdw |
54 | * Reformatted the LGPL notice a little bit. |
55 | * |
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56 | * Revision 1.2 1999/05/05 18:50:31 mdw |
57 | * Change licensing conditions to LGPL. |
58 | * |
59 | * Revision 1.1.1.1 1998/06/17 23:44:42 mdw |
60 | * Initial version of mLib |
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61 | * |
62 | */ |
63 | |
64 | /*----- Header files ------------------------------------------------------*/ |
65 | |
66 | #include <ctype.h> |
67 | #include <errno.h> |
68 | #include <stdio.h> |
69 | #include <stdlib.h> |
70 | #include <string.h> |
71 | |
72 | #include "dstr.h" |
73 | #include "report.h" |
74 | #include "quis.h" |
75 | #include "testrig.h" |
76 | |
77 | /*----- Static variables --------------------------------------------------*/ |
78 | |
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79 | static dstr tok = DSTR_INIT; |
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80 | |
81 | enum { |
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82 | TOK_EOF = 0x100, |
83 | TOK_WORD |
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84 | }; |
85 | |
86 | /*----- Main code ---------------------------------------------------------*/ |
87 | |
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88 | /* --- @decode@ --- * |
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89 | * |
90 | * Arguments: @int tok@ = token type to decode |
91 | * |
92 | * Returns: Pointer to a textual representation of the token. |
93 | * |
94 | * Use: Produces a readable representation of a token. |
95 | */ |
96 | |
083cdbed |
97 | static const char *decode(int t) |
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98 | { |
99 | static char buf[4]; |
100 | |
083cdbed |
101 | switch (t) { |
102 | case TOK_EOF: |
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103 | return ("<eof>"); |
083cdbed |
104 | case TOK_WORD: |
105 | return (tok.buf); |
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106 | default: |
083cdbed |
107 | buf[0] = t; |
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108 | buf[1] = 0; |
109 | return (buf); |
110 | } |
111 | return ("<buggy-program>"); |
112 | } |
113 | |
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114 | /* --- @gettok@ --- * |
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115 | * |
116 | * Arguments: @FILE *fp@ = file handle to read from |
117 | * |
118 | * Returns: Type of token read. |
119 | * |
120 | * Use: Reads a token from the input stream. |
121 | */ |
122 | |
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123 | static int gettok(FILE *fp) |
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124 | { |
125 | int ch; |
126 | |
127 | /* --- Clear the token accumulator --- */ |
128 | |
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129 | DRESET(&tok); |
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130 | |
131 | /* --- Prime the lookahead character --- */ |
132 | |
133 | again: |
134 | ch = getc(fp); |
135 | |
136 | /* --- Skip leading whitespace --- */ |
137 | |
138 | while (isspace((unsigned char)ch)) |
139 | ch = getc(fp); |
140 | |
141 | /* --- Trap some special characters --- */ |
142 | |
143 | switch (ch) { |
144 | |
145 | /* --- Comments --- */ |
146 | |
147 | case '#': |
148 | do ch = getc(fp); while (ch != EOF && ch != '\n'); |
149 | goto again; |
150 | |
151 | /* --- End of file --- */ |
152 | |
153 | case EOF: |
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154 | return (TOK_EOF); |
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155 | |
156 | /* --- Quote characters --- */ |
157 | |
158 | case '`': |
159 | ch = '\''; |
160 | case '\'': |
161 | case '\"': { |
162 | int quote = ch; |
163 | |
164 | for (;;) { |
165 | ch = getc(fp); |
166 | if (ch == EOF || ch == quote) |
167 | break; |
168 | if (ch == '\\') { |
169 | ch = getc(fp); |
170 | if (ch == EOF) |
171 | ch = '\\'; |
172 | } |
083cdbed |
173 | DPUTC(&tok, ch); |
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174 | } |
083cdbed |
175 | DPUTZ(&tok); |
176 | return (TOK_WORD); |
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177 | } |
178 | |
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179 | /* --- Self-delimiting things --- */ |
180 | |
181 | case ';': |
182 | case '{': |
183 | case '}': |
184 | return (ch); |
185 | |
186 | /* --- Anything else is a word --- */ |
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187 | |
188 | default: |
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189 | for (;;) { |
190 | DPUTC(&tok, ch); |
191 | ch = getc(fp); |
192 | switch (ch) { |
193 | case EOF: |
194 | case ';': |
195 | case '{': |
196 | case '}': |
197 | case '\"': |
198 | case '\'': |
199 | case '`': |
200 | goto done; |
201 | default: |
202 | if (isspace((unsigned char)ch)) |
203 | goto done; |
204 | } |
205 | if (ch == '\\') { |
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206 | ch = getc(fp); |
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207 | if (ch == EOF) |
208 | ch = '\\'; |
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209 | } |
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210 | } |
211 | done: |
212 | ungetc(ch, fp); |
213 | DPUTZ(&tok); |
214 | return (TOK_WORD); |
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215 | } |
216 | } |
217 | |
218 | /* --- @type_hex@ --- */ |
219 | |
220 | static void cvt_hex(const char *s, dstr *d) |
221 | { |
222 | while (s[0] && s[1]) { |
223 | int x = s[0], y = s[1]; |
224 | if ('0' <= x && x <= '9') x -= '0'; |
225 | else if ('A' <= x && x <= 'F') x -= 'A' - 10; |
226 | else if ('a' <= x && x <= 'f') x -= 'a' - 10; |
227 | else x = 0; |
228 | if ('0' <= y && y <= '9') y -= '0'; |
229 | else if ('A' <= y && y <= 'F') y -= 'A' - 10; |
230 | else if ('a' <= y && y <= 'f') y -= 'a' - 10; |
231 | else y = 0; |
232 | DPUTC(d, (x << 4) + y); |
233 | s += 2; |
234 | } |
235 | } |
236 | |
237 | static void dump_hex(dstr *d, FILE *fp) |
238 | { |
239 | const char *p, *q; |
240 | for (p = d->buf, q = p + d->len; p < q; p++) |
241 | fprintf(fp, "%02x", *(unsigned char *)p); |
242 | } |
243 | |
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244 | const test_type type_hex = { cvt_hex, dump_hex }; |
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245 | |
246 | /* --- @type_string@ --- */ |
247 | |
248 | static void cvt_string(const char *s, dstr *d) |
249 | { |
250 | DPUTS(d, s); |
251 | } |
252 | |
253 | static void dump_string(dstr *d, FILE *fp) |
254 | { |
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255 | DWRITE(d, fp); |
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256 | } |
257 | |
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258 | const test_type type_string = { cvt_string, dump_string }; |
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259 | |
260 | /* --- @type_int@ --- */ |
261 | |
262 | static void cvt_int(const char *s, dstr *d) |
263 | { |
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264 | DENSURE(d, sizeof(int)); |
265 | sscanf(s, "%i", (int *)d->buf); |
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266 | } |
267 | |
268 | static void dump_int(dstr *d, FILE *fp) |
269 | { |
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270 | fprintf(fp, "%i", *(int *)d->buf); |
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271 | } |
272 | |
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273 | const test_type type_int = { cvt_int, dump_int }; |
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274 | |
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275 | /* --- @type_long@ --- */ |
276 | |
277 | static void cvt_long(const char *s, dstr *d) |
278 | { |
279 | DENSURE(d, sizeof(long)); |
280 | *(long *)d->buf = strtol(s, 0, 0); |
281 | } |
282 | |
283 | static void dump_long(dstr *d, FILE *fp) |
284 | { |
285 | fprintf(fp, "%li", *(long *)d->buf); |
286 | } |
287 | |
288 | const test_type type_long = { cvt_long, dump_long }; |
289 | |
290 | /* --- @type_ulong@ --- */ |
291 | |
292 | static void cvt_ulong(const char *s, dstr *d) |
293 | { |
294 | DENSURE(d, sizeof(unsigned long)); |
295 | *(unsigned long *)d->buf = strtoul(s, 0, 0); |
296 | } |
297 | |
298 | static void dump_ulong(dstr *d, FILE *fp) |
299 | { |
300 | fprintf(fp, "%lu", *(unsigned long *)d->buf); |
301 | } |
302 | |
303 | const test_type type_ulong = { cvt_ulong, dump_ulong }; |
304 | |
305 | /* --- @type_uint32@ --- */ |
306 | |
307 | static void cvt_uint32(const char *buf, dstr *d) |
308 | { |
309 | DENSURE(d, sizeof(uint32)); |
310 | *(uint32 *)d->buf = strtoul(buf, 0, 0); |
311 | } |
312 | |
313 | static void dump_uint32(dstr *d, FILE *fp) |
314 | { |
315 | fprintf(fp, "%lu\n", (unsigned long)*(uint32 *)d->buf); |
316 | } |
317 | |
318 | const test_type type_uint32 = { cvt_uint32, dump_uint32 }; |
319 | |
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320 | /* --- @test_run@ --- * |
321 | * |
322 | * Arguments: @int argc@ = number of command line arguments |
323 | * @char *argv[]@ = pointer to command line arguments |
324 | * @const test_chunk chunk[]@ = pointer to chunk definitions |
325 | * @const char *vec@ = name of default test vector file |
326 | * |
327 | * Returns: Doesn't. |
328 | * |
329 | * Use: Runs a set of test vectors to ensure that a component is |
330 | * working properly. |
331 | */ |
332 | |
333 | void test_run(int argc, char *argv[], |
334 | const test_chunk chunk[], |
335 | const char *vec) |
336 | { |
337 | FILE *fp; |
338 | int i; |
339 | const test_chunk *cch; |
340 | dstr dv[TEST_FIELDMAX]; |
341 | int fail = 0, ok = 1; |
342 | int sofar = 0; |
343 | |
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344 | /* --- Silly bits of initialization --- */ |
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345 | |
346 | ego(argv[0]); |
347 | |
348 | for (i = 0; i < TEST_FIELDMAX; i++) |
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349 | DCREATE(&dv[i]); |
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350 | |
351 | /* --- Parse command line arguments --- */ |
352 | |
353 | { |
354 | const char *p = 0; |
355 | |
356 | i = 0; |
357 | for (;;) { |
358 | if (!p || !*p) { |
359 | if (i >= argc - 1) |
360 | break; |
361 | p = argv[++i]; |
362 | if (strcmp(p, "--") == 0) { |
363 | i++; |
364 | break; |
365 | } |
366 | if (p[0] != '-' || p[1] == 0) |
367 | break; |
368 | p++; |
369 | } |
370 | switch (*p++) { |
371 | case 'h': |
372 | printf("%s test driver\n" |
373 | "Usage: %s [-f FILENAME]\n", QUIS, QUIS); |
374 | exit(0); |
375 | case 'f': |
376 | if (!*p) { |
377 | if (i >= argc - 1) |
378 | die(1, "option `-f' expects an argument"); |
379 | p = argv[++i]; |
380 | } |
381 | vec = p; |
382 | p = 0; |
383 | break; |
384 | default: |
385 | die(1, "option `-%c' unknown", p[-1]); |
386 | break; |
387 | } |
388 | } |
389 | } |
390 | |
391 | /* --- Start parsing from the file --- */ |
392 | |
393 | if ((fp = fopen(vec, "r")) == 0) |
394 | die(1, "couldn't open test vector file `%s': %s", vec, strerror(errno)); |
395 | |
396 | for (;;) { |
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397 | int t = gettok(fp); |
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398 | |
399 | /* --- This is a reasonable place to stop --- */ |
400 | |
083cdbed |
401 | if (t == TOK_EOF) |
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402 | break; |
403 | |
404 | /* --- Pick out the chunk name --- */ |
405 | |
083cdbed |
406 | if (t != TOK_WORD) |
407 | die(1, "expected <word>; found `%s'", decode(t)); |
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408 | |
409 | /* --- Find the right chunk block --- */ |
410 | |
411 | for (cch = chunk; ; cch++) { |
412 | if (!cch->name) |
413 | goto skip_chunk; |
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414 | if (strcmp(tok.buf, cch->name) == 0) |
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415 | break; |
416 | } |
417 | |
418 | /* --- Past the open brace to the first chunk --- */ |
419 | |
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420 | if ((t = gettok(fp)) != '{') |
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421 | die(1, "expected `{'; found `%s'", decode(t)); |
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422 | |
423 | /* --- Start on the test data now --- */ |
424 | |
425 | printf("%s: ", cch->name); |
426 | fflush(stdout); |
427 | sofar = 0; |
428 | ok = 1; |
429 | |
430 | for (;;) { |
083cdbed |
431 | t = gettok(fp); |
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432 | |
433 | /* --- Accept a close brace --- */ |
434 | |
083cdbed |
435 | if (t == '}') |
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436 | break; |
437 | |
438 | /* --- Otherwise I expect a list of words --- */ |
439 | |
440 | for (i = 0; cch->f[i]; i++) { |
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441 | DRESET(&dv[i]); |
083cdbed |
442 | if (t != TOK_WORD) |
443 | die(1, "expected <word>; found `%s'", decode(t)); |
444 | cch->f[i]->cvt(tok.buf, &dv[i]); |
445 | t = gettok(fp); |
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446 | } |
447 | |
448 | /* --- And a terminating semicolon --- */ |
449 | |
083cdbed |
450 | if (t != ';') |
451 | die(1, "expected `;'; found `%s'", decode(t)); |
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452 | |
453 | /* --- Run the test code --- */ |
454 | |
455 | if (!cch->test(dv)) { |
456 | printf("%s: ", cch->name); |
457 | for (i = 0; i < sofar; i++) putchar('.'); |
458 | fail = 1; ok = 0; |
459 | } |
460 | sofar++; |
461 | putchar('.'); |
462 | fflush(stdout); |
463 | } |
464 | |
465 | puts(ok ? " ok" : " failed"); |
466 | fflush(stdout); |
467 | continue; |
468 | |
469 | skip_chunk: |
083cdbed |
470 | if ((t = gettok(fp)) != '{') |
471 | die(1, "expected '{'; found `%s'", decode(t)); |
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472 | for (;;) { |
083cdbed |
473 | t = gettok(fp); |
474 | if (t == '}') |
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475 | break; |
083cdbed |
476 | while (t == TOK_WORD) |
477 | t = gettok(fp); |
478 | if (t != ';') |
479 | die(1, "expected `;'; found `%s'", decode(t)); |
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480 | } |
481 | } |
482 | |
483 | exit(fail); |
484 | } |
485 | |
486 | /*----- That's all, folks -------------------------------------------------*/ |