0875b58f |
1 | /* -*-c-*- |
2 | * |
3 | * $Id: testrig.c,v 1.1 1998/06/17 23:44:42 mdw Exp $ |
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 |
15 | * it under the terms of the GNU General Public License as published by |
16 | * the Free Software Foundation; either version 2 of the License, or |
17 | * (at your option) any later version. |
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 |
22 | * GNU General Public License for more details. |
23 | * |
24 | * You should have received a copy of the GNU General Public License |
25 | * along with mLib; if not, write to the Free Software Foundation, |
26 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
27 | */ |
28 | |
29 | /*----- Revision history --------------------------------------------------* |
30 | * |
31 | * $Log: testrig.c,v $ |
32 | * Revision 1.1 1998/06/17 23:44:42 mdw |
33 | * Initial revision |
34 | * |
35 | */ |
36 | |
37 | /*----- Header files ------------------------------------------------------*/ |
38 | |
39 | #include <ctype.h> |
40 | #include <errno.h> |
41 | #include <stdio.h> |
42 | #include <stdlib.h> |
43 | #include <string.h> |
44 | |
45 | #include "dstr.h" |
46 | #include "report.h" |
47 | #include "quis.h" |
48 | #include "testrig.h" |
49 | |
50 | /*----- Static variables --------------------------------------------------*/ |
51 | |
52 | static dstr test__tok; |
53 | |
54 | enum { |
55 | tok_eof = 0x100, |
56 | tok_word |
57 | }; |
58 | |
59 | /*----- Main code ---------------------------------------------------------*/ |
60 | |
61 | /* --- @test__decode@ --- * |
62 | * |
63 | * Arguments: @int tok@ = token type to decode |
64 | * |
65 | * Returns: Pointer to a textual representation of the token. |
66 | * |
67 | * Use: Produces a readable representation of a token. |
68 | */ |
69 | |
70 | static const char *test__decode(int tok) |
71 | { |
72 | static char buf[4]; |
73 | |
74 | switch (tok) { |
75 | case tok_eof: |
76 | return ("<eof>"); |
77 | case tok_word: |
78 | return (test__tok.buf); |
79 | default: |
80 | buf[0] = tok; |
81 | buf[1] = 0; |
82 | return (buf); |
83 | } |
84 | return ("<buggy-program>"); |
85 | } |
86 | |
87 | /* --- @test__gettok@ --- * |
88 | * |
89 | * Arguments: @FILE *fp@ = file handle to read from |
90 | * |
91 | * Returns: Type of token read. |
92 | * |
93 | * Use: Reads a token from the input stream. |
94 | */ |
95 | |
96 | static int test__gettok(FILE *fp) |
97 | { |
98 | int ch; |
99 | |
100 | /* --- Clear the token accumulator --- */ |
101 | |
102 | dstr_reset(&test__tok); |
103 | |
104 | /* --- Prime the lookahead character --- */ |
105 | |
106 | again: |
107 | ch = getc(fp); |
108 | |
109 | /* --- Skip leading whitespace --- */ |
110 | |
111 | while (isspace((unsigned char)ch)) |
112 | ch = getc(fp); |
113 | |
114 | /* --- Trap some special characters --- */ |
115 | |
116 | switch (ch) { |
117 | |
118 | /* --- Comments --- */ |
119 | |
120 | case '#': |
121 | do ch = getc(fp); while (ch != EOF && ch != '\n'); |
122 | goto again; |
123 | |
124 | /* --- End of file --- */ |
125 | |
126 | case EOF: |
127 | return (tok_eof); |
128 | |
129 | /* --- Quote characters --- */ |
130 | |
131 | case '`': |
132 | ch = '\''; |
133 | case '\'': |
134 | case '\"': { |
135 | int quote = ch; |
136 | |
137 | for (;;) { |
138 | ch = getc(fp); |
139 | if (ch == EOF || ch == quote) |
140 | break; |
141 | if (ch == '\\') { |
142 | ch = getc(fp); |
143 | if (ch == EOF) |
144 | ch = '\\'; |
145 | } |
146 | DPUTC(&test__tok, ch); |
147 | } |
148 | DPUTZ(&test__tok); |
149 | return (tok_word); |
150 | } |
151 | |
152 | /* --- Anything else is either a word or self-delimiting --- */ |
153 | |
154 | default: |
155 | if (isalnum((unsigned char)ch)) { |
156 | for (;;) { |
157 | DPUTC(&test__tok, ch); |
158 | ch = getc(fp); |
159 | if (ch == EOF || |
160 | ch == ';' || |
161 | ch == '\"' || ch == '\'' || ch == '`' || |
162 | isspace((unsigned char)ch)) |
163 | break; |
164 | if (ch == '\\') { |
165 | ch = getc(fp); |
166 | if (ch == EOF) |
167 | ch = '\\'; |
168 | } |
169 | } |
170 | ungetc(ch, fp); |
171 | DPUTZ(&test__tok); |
172 | return (tok_word); |
173 | } else |
174 | return (ch); |
175 | } |
176 | } |
177 | |
178 | /* --- @type_hex@ --- */ |
179 | |
180 | static void cvt_hex(const char *s, dstr *d) |
181 | { |
182 | while (s[0] && s[1]) { |
183 | int x = s[0], y = s[1]; |
184 | if ('0' <= x && x <= '9') x -= '0'; |
185 | else if ('A' <= x && x <= 'F') x -= 'A' - 10; |
186 | else if ('a' <= x && x <= 'f') x -= 'a' - 10; |
187 | else x = 0; |
188 | if ('0' <= y && y <= '9') y -= '0'; |
189 | else if ('A' <= y && y <= 'F') y -= 'A' - 10; |
190 | else if ('a' <= y && y <= 'f') y -= 'a' - 10; |
191 | else y = 0; |
192 | DPUTC(d, (x << 4) + y); |
193 | s += 2; |
194 | } |
195 | } |
196 | |
197 | static void dump_hex(dstr *d, FILE *fp) |
198 | { |
199 | const char *p, *q; |
200 | for (p = d->buf, q = p + d->len; p < q; p++) |
201 | fprintf(fp, "%02x", *(unsigned char *)p); |
202 | } |
203 | |
204 | test_type type_hex = { cvt_hex, dump_hex }; |
205 | |
206 | /* --- @type_string@ --- */ |
207 | |
208 | static void cvt_string(const char *s, dstr *d) |
209 | { |
210 | DPUTS(d, s); |
211 | } |
212 | |
213 | static void dump_string(dstr *d, FILE *fp) |
214 | { |
215 | dstr_write(d, fp); |
216 | } |
217 | |
218 | test_type type_string = { cvt_string, dump_string }; |
219 | |
220 | /* --- @type_int@ --- */ |
221 | |
222 | static void cvt_int(const char *s, dstr *d) |
223 | { |
224 | DENSURE(d, sizeof(long)); |
225 | sscanf(s, "%i", (int *)d->buf + d->len); |
226 | } |
227 | |
228 | static void dump_int(dstr *d, FILE *fp) |
229 | { |
230 | fprintf(fp, "%i", *(int *)(d->buf)); |
231 | } |
232 | |
233 | test_type type_int = { cvt_int, dump_int }; |
234 | |
235 | /* --- @test_run@ --- * |
236 | * |
237 | * Arguments: @int argc@ = number of command line arguments |
238 | * @char *argv[]@ = pointer to command line arguments |
239 | * @const test_chunk chunk[]@ = pointer to chunk definitions |
240 | * @const char *vec@ = name of default test vector file |
241 | * |
242 | * Returns: Doesn't. |
243 | * |
244 | * Use: Runs a set of test vectors to ensure that a component is |
245 | * working properly. |
246 | */ |
247 | |
248 | void test_run(int argc, char *argv[], |
249 | const test_chunk chunk[], |
250 | const char *vec) |
251 | { |
252 | FILE *fp; |
253 | int i; |
254 | const test_chunk *cch; |
255 | dstr dv[TEST_FIELDMAX]; |
256 | int fail = 0, ok = 1; |
257 | int sofar = 0; |
258 | |
259 | /* --- Silly bits of initialisation --- */ |
260 | |
261 | ego(argv[0]); |
262 | |
263 | for (i = 0; i < TEST_FIELDMAX; i++) |
264 | dstr_create(&dv[i]); |
265 | |
266 | /* --- Parse command line arguments --- */ |
267 | |
268 | { |
269 | const char *p = 0; |
270 | |
271 | i = 0; |
272 | for (;;) { |
273 | if (!p || !*p) { |
274 | if (i >= argc - 1) |
275 | break; |
276 | p = argv[++i]; |
277 | if (strcmp(p, "--") == 0) { |
278 | i++; |
279 | break; |
280 | } |
281 | if (p[0] != '-' || p[1] == 0) |
282 | break; |
283 | p++; |
284 | } |
285 | switch (*p++) { |
286 | case 'h': |
287 | printf("%s test driver\n" |
288 | "Usage: %s [-f FILENAME]\n", QUIS, QUIS); |
289 | exit(0); |
290 | case 'f': |
291 | if (!*p) { |
292 | if (i >= argc - 1) |
293 | die(1, "option `-f' expects an argument"); |
294 | p = argv[++i]; |
295 | } |
296 | vec = p; |
297 | p = 0; |
298 | break; |
299 | default: |
300 | die(1, "option `-%c' unknown", p[-1]); |
301 | break; |
302 | } |
303 | } |
304 | } |
305 | |
306 | /* --- Start parsing from the file --- */ |
307 | |
308 | if ((fp = fopen(vec, "r")) == 0) |
309 | die(1, "couldn't open test vector file `%s': %s", vec, strerror(errno)); |
310 | |
311 | for (;;) { |
312 | int tok = test__gettok(fp); |
313 | |
314 | /* --- This is a reasonable place to stop --- */ |
315 | |
316 | if (tok == tok_eof) |
317 | break; |
318 | |
319 | /* --- Pick out the chunk name --- */ |
320 | |
321 | if (tok != tok_word) |
322 | die(1, "expected <word>; found `%s'", test__decode(tok)); |
323 | |
324 | /* --- Find the right chunk block --- */ |
325 | |
326 | for (cch = chunk; ; cch++) { |
327 | if (!cch->name) |
328 | goto skip_chunk; |
329 | if (strcmp(test__tok.buf, cch->name) == 0) |
330 | break; |
331 | } |
332 | |
333 | /* --- Past the open brace to the first chunk --- */ |
334 | |
335 | if ((tok = test__gettok(fp)) != '{') |
336 | die(1, "expected '{'; found `%s'", test__decode(tok)); |
337 | |
338 | /* --- Start on the test data now --- */ |
339 | |
340 | printf("%s: ", cch->name); |
341 | fflush(stdout); |
342 | sofar = 0; |
343 | ok = 1; |
344 | |
345 | for (;;) { |
346 | tok = test__gettok(fp); |
347 | |
348 | /* --- Accept a close brace --- */ |
349 | |
350 | if (tok == '}') |
351 | break; |
352 | |
353 | /* --- Otherwise I expect a list of words --- */ |
354 | |
355 | for (i = 0; cch->f[i]; i++) { |
356 | dstr_reset(&dv[i]); |
357 | if (tok != tok_word) |
358 | die(1, "expected <word>; found `%s'", test__decode(tok)); |
359 | cch->f[i]->cvt(test__tok.buf, &dv[i]); |
360 | tok = test__gettok(fp); |
361 | } |
362 | |
363 | /* --- And a terminating semicolon --- */ |
364 | |
365 | if (tok != ';') |
366 | die(1, "expected `;'; found `%s'", test__decode(tok)); |
367 | |
368 | /* --- Run the test code --- */ |
369 | |
370 | if (!cch->test(dv)) { |
371 | printf("%s: ", cch->name); |
372 | for (i = 0; i < sofar; i++) putchar('.'); |
373 | fail = 1; ok = 0; |
374 | } |
375 | sofar++; |
376 | putchar('.'); |
377 | fflush(stdout); |
378 | } |
379 | |
380 | puts(ok ? " ok" : " failed"); |
381 | fflush(stdout); |
382 | continue; |
383 | |
384 | skip_chunk: |
385 | if ((tok = test__gettok(fp)) != '{') |
386 | die(1, "expected '{'; found `%s'", test__decode(tok)); |
387 | for (;;) { |
388 | tok = test__gettok(fp); |
389 | if (tok == '}') |
390 | break; |
391 | while (tok == tok_word) |
392 | tok = test__gettok(fp); |
393 | if (tok != ';') |
394 | die(1, "expected `;'; found `%s'", test__decode(tok)); |
395 | } |
396 | } |
397 | |
398 | exit(fail); |
399 | } |
400 | |
401 | /*----- That's all, folks -------------------------------------------------*/ |