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