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