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1 | /* -*-c-*- |
2 | * |
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3 | * $Id: testrig.c,v 1.10 2004/04/08 01:36:13 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 | |
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30 | /*----- Header files ------------------------------------------------------*/ |
31 | |
32 | #include <ctype.h> |
33 | #include <errno.h> |
34 | #include <stdio.h> |
35 | #include <stdlib.h> |
36 | #include <string.h> |
37 | |
38 | #include "dstr.h" |
39 | #include "report.h" |
40 | #include "quis.h" |
41 | #include "testrig.h" |
42 | |
43 | /*----- Static variables --------------------------------------------------*/ |
44 | |
a249f27e |
45 | static dstr tok = DSTR_INIT; |
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46 | |
47 | enum { |
083cdbed |
48 | TOK_EOF = 0x100, |
49 | TOK_WORD |
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50 | }; |
51 | |
52 | /*----- Main code ---------------------------------------------------------*/ |
53 | |
083cdbed |
54 | /* --- @decode@ --- * |
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55 | * |
56 | * Arguments: @int tok@ = token type to decode |
57 | * |
58 | * Returns: Pointer to a textual representation of the token. |
59 | * |
60 | * Use: Produces a readable representation of a token. |
61 | */ |
62 | |
083cdbed |
63 | static const char *decode(int t) |
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64 | { |
65 | static char buf[4]; |
66 | |
083cdbed |
67 | switch (t) { |
68 | case TOK_EOF: |
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69 | return ("<eof>"); |
083cdbed |
70 | case TOK_WORD: |
71 | return (tok.buf); |
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72 | default: |
083cdbed |
73 | buf[0] = t; |
0875b58f |
74 | buf[1] = 0; |
75 | return (buf); |
76 | } |
77 | return ("<buggy-program>"); |
78 | } |
79 | |
083cdbed |
80 | /* --- @gettok@ --- * |
0875b58f |
81 | * |
82 | * Arguments: @FILE *fp@ = file handle to read from |
83 | * |
84 | * Returns: Type of token read. |
85 | * |
86 | * Use: Reads a token from the input stream. |
87 | */ |
88 | |
083cdbed |
89 | static int gettok(FILE *fp) |
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90 | { |
91 | int ch; |
92 | |
93 | /* --- Clear the token accumulator --- */ |
94 | |
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95 | DRESET(&tok); |
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96 | |
97 | /* --- Prime the lookahead character --- */ |
98 | |
99 | again: |
100 | ch = getc(fp); |
101 | |
102 | /* --- Skip leading whitespace --- */ |
103 | |
104 | while (isspace((unsigned char)ch)) |
105 | ch = getc(fp); |
106 | |
107 | /* --- Trap some special characters --- */ |
108 | |
109 | switch (ch) { |
110 | |
111 | /* --- Comments --- */ |
112 | |
113 | case '#': |
114 | do ch = getc(fp); while (ch != EOF && ch != '\n'); |
115 | goto again; |
116 | |
117 | /* --- End of file --- */ |
118 | |
119 | case EOF: |
083cdbed |
120 | return (TOK_EOF); |
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121 | |
122 | /* --- Quote characters --- */ |
123 | |
124 | case '`': |
125 | ch = '\''; |
126 | case '\'': |
127 | case '\"': { |
128 | int quote = ch; |
129 | |
130 | for (;;) { |
131 | ch = getc(fp); |
132 | if (ch == EOF || ch == quote) |
133 | break; |
134 | if (ch == '\\') { |
135 | ch = getc(fp); |
136 | if (ch == EOF) |
137 | ch = '\\'; |
138 | } |
083cdbed |
139 | DPUTC(&tok, ch); |
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140 | } |
083cdbed |
141 | DPUTZ(&tok); |
142 | return (TOK_WORD); |
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143 | } |
144 | |
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145 | /* --- Self-delimiting things --- */ |
146 | |
147 | case ';': |
148 | case '{': |
149 | case '}': |
150 | return (ch); |
151 | |
152 | /* --- Anything else is a word --- */ |
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153 | |
154 | default: |
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155 | for (;;) { |
156 | DPUTC(&tok, ch); |
157 | ch = getc(fp); |
158 | switch (ch) { |
159 | case EOF: |
160 | case ';': |
161 | case '{': |
162 | case '}': |
163 | case '\"': |
164 | case '\'': |
165 | case '`': |
166 | goto done; |
167 | default: |
168 | if (isspace((unsigned char)ch)) |
169 | goto done; |
170 | } |
171 | if (ch == '\\') { |
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172 | ch = getc(fp); |
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173 | if (ch == EOF) |
174 | ch = '\\'; |
0875b58f |
175 | } |
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176 | } |
177 | done: |
178 | ungetc(ch, fp); |
179 | DPUTZ(&tok); |
180 | return (TOK_WORD); |
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181 | } |
182 | } |
183 | |
184 | /* --- @type_hex@ --- */ |
185 | |
186 | static void cvt_hex(const char *s, dstr *d) |
187 | { |
188 | while (s[0] && s[1]) { |
189 | int x = s[0], y = s[1]; |
190 | if ('0' <= x && x <= '9') x -= '0'; |
191 | else if ('A' <= x && x <= 'F') x -= 'A' - 10; |
192 | else if ('a' <= x && x <= 'f') x -= 'a' - 10; |
193 | else x = 0; |
194 | if ('0' <= y && y <= '9') y -= '0'; |
195 | else if ('A' <= y && y <= 'F') y -= 'A' - 10; |
196 | else if ('a' <= y && y <= 'f') y -= 'a' - 10; |
197 | else y = 0; |
198 | DPUTC(d, (x << 4) + y); |
199 | s += 2; |
200 | } |
201 | } |
202 | |
203 | static void dump_hex(dstr *d, FILE *fp) |
204 | { |
205 | const char *p, *q; |
206 | for (p = d->buf, q = p + d->len; p < q; p++) |
207 | fprintf(fp, "%02x", *(unsigned char *)p); |
208 | } |
209 | |
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210 | const test_type type_hex = { cvt_hex, dump_hex }; |
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211 | |
212 | /* --- @type_string@ --- */ |
213 | |
214 | static void cvt_string(const char *s, dstr *d) |
215 | { |
216 | DPUTS(d, s); |
217 | } |
218 | |
219 | static void dump_string(dstr *d, FILE *fp) |
220 | { |
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221 | DWRITE(d, fp); |
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222 | } |
223 | |
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224 | const test_type type_string = { cvt_string, dump_string }; |
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225 | |
226 | /* --- @type_int@ --- */ |
227 | |
228 | static void cvt_int(const char *s, dstr *d) |
229 | { |
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230 | DENSURE(d, sizeof(int)); |
231 | sscanf(s, "%i", (int *)d->buf); |
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232 | } |
233 | |
234 | static void dump_int(dstr *d, FILE *fp) |
235 | { |
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236 | fprintf(fp, "%i", *(int *)d->buf); |
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237 | } |
238 | |
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239 | const test_type type_int = { cvt_int, dump_int }; |
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240 | |
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241 | /* --- @type_long@ --- */ |
242 | |
243 | static void cvt_long(const char *s, dstr *d) |
244 | { |
245 | DENSURE(d, sizeof(long)); |
246 | *(long *)d->buf = strtol(s, 0, 0); |
247 | } |
248 | |
249 | static void dump_long(dstr *d, FILE *fp) |
250 | { |
251 | fprintf(fp, "%li", *(long *)d->buf); |
252 | } |
253 | |
254 | const test_type type_long = { cvt_long, dump_long }; |
255 | |
256 | /* --- @type_ulong@ --- */ |
257 | |
258 | static void cvt_ulong(const char *s, dstr *d) |
259 | { |
260 | DENSURE(d, sizeof(unsigned long)); |
261 | *(unsigned long *)d->buf = strtoul(s, 0, 0); |
262 | } |
263 | |
264 | static void dump_ulong(dstr *d, FILE *fp) |
265 | { |
266 | fprintf(fp, "%lu", *(unsigned long *)d->buf); |
267 | } |
268 | |
269 | const test_type type_ulong = { cvt_ulong, dump_ulong }; |
270 | |
271 | /* --- @type_uint32@ --- */ |
272 | |
273 | static void cvt_uint32(const char *buf, dstr *d) |
274 | { |
275 | DENSURE(d, sizeof(uint32)); |
276 | *(uint32 *)d->buf = strtoul(buf, 0, 0); |
277 | } |
278 | |
279 | static void dump_uint32(dstr *d, FILE *fp) |
280 | { |
281 | fprintf(fp, "%lu\n", (unsigned long)*(uint32 *)d->buf); |
282 | } |
283 | |
284 | const test_type type_uint32 = { cvt_uint32, dump_uint32 }; |
285 | |
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286 | /* --- @test_run@ --- * |
287 | * |
288 | * Arguments: @int argc@ = number of command line arguments |
289 | * @char *argv[]@ = pointer to command line arguments |
290 | * @const test_chunk chunk[]@ = pointer to chunk definitions |
291 | * @const char *vec@ = name of default test vector file |
292 | * |
293 | * Returns: Doesn't. |
294 | * |
295 | * Use: Runs a set of test vectors to ensure that a component is |
296 | * working properly. |
297 | */ |
298 | |
299 | void test_run(int argc, char *argv[], |
300 | const test_chunk chunk[], |
301 | const char *vec) |
302 | { |
303 | FILE *fp; |
304 | int i; |
305 | const test_chunk *cch; |
306 | dstr dv[TEST_FIELDMAX]; |
307 | int fail = 0, ok = 1; |
308 | int sofar = 0; |
309 | |
083cdbed |
310 | /* --- Silly bits of initialization --- */ |
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311 | |
312 | ego(argv[0]); |
313 | |
314 | for (i = 0; i < TEST_FIELDMAX; i++) |
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315 | DCREATE(&dv[i]); |
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316 | |
317 | /* --- Parse command line arguments --- */ |
318 | |
319 | { |
320 | const char *p = 0; |
321 | |
322 | i = 0; |
323 | for (;;) { |
324 | if (!p || !*p) { |
325 | if (i >= argc - 1) |
326 | break; |
327 | p = argv[++i]; |
328 | if (strcmp(p, "--") == 0) { |
329 | i++; |
330 | break; |
331 | } |
332 | if (p[0] != '-' || p[1] == 0) |
333 | break; |
334 | p++; |
335 | } |
336 | switch (*p++) { |
337 | case 'h': |
338 | printf("%s test driver\n" |
339 | "Usage: %s [-f FILENAME]\n", QUIS, QUIS); |
340 | exit(0); |
341 | case 'f': |
342 | if (!*p) { |
343 | if (i >= argc - 1) |
344 | die(1, "option `-f' expects an argument"); |
345 | p = argv[++i]; |
346 | } |
347 | vec = p; |
348 | p = 0; |
349 | break; |
350 | default: |
351 | die(1, "option `-%c' unknown", p[-1]); |
352 | break; |
353 | } |
354 | } |
355 | } |
356 | |
357 | /* --- Start parsing from the file --- */ |
358 | |
359 | if ((fp = fopen(vec, "r")) == 0) |
360 | die(1, "couldn't open test vector file `%s': %s", vec, strerror(errno)); |
361 | |
362 | for (;;) { |
083cdbed |
363 | int t = gettok(fp); |
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364 | |
365 | /* --- This is a reasonable place to stop --- */ |
366 | |
083cdbed |
367 | if (t == TOK_EOF) |
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368 | break; |
369 | |
370 | /* --- Pick out the chunk name --- */ |
371 | |
083cdbed |
372 | if (t != TOK_WORD) |
373 | die(1, "expected <word>; found `%s'", decode(t)); |
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374 | |
375 | /* --- Find the right chunk block --- */ |
376 | |
377 | for (cch = chunk; ; cch++) { |
378 | if (!cch->name) |
379 | goto skip_chunk; |
083cdbed |
380 | if (strcmp(tok.buf, cch->name) == 0) |
0875b58f |
381 | break; |
382 | } |
383 | |
384 | /* --- Past the open brace to the first chunk --- */ |
385 | |
083cdbed |
386 | if ((t = gettok(fp)) != '{') |
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387 | die(1, "expected `{'; found `%s'", decode(t)); |
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388 | |
389 | /* --- Start on the test data now --- */ |
390 | |
391 | printf("%s: ", cch->name); |
392 | fflush(stdout); |
393 | sofar = 0; |
394 | ok = 1; |
395 | |
396 | for (;;) { |
083cdbed |
397 | t = gettok(fp); |
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398 | |
399 | /* --- Accept a close brace --- */ |
400 | |
083cdbed |
401 | if (t == '}') |
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402 | break; |
403 | |
404 | /* --- Otherwise I expect a list of words --- */ |
405 | |
406 | for (i = 0; cch->f[i]; i++) { |
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407 | DRESET(&dv[i]); |
083cdbed |
408 | if (t != TOK_WORD) |
409 | die(1, "expected <word>; found `%s'", decode(t)); |
410 | cch->f[i]->cvt(tok.buf, &dv[i]); |
411 | t = gettok(fp); |
0875b58f |
412 | } |
413 | |
414 | /* --- And a terminating semicolon --- */ |
415 | |
083cdbed |
416 | if (t != ';') |
417 | die(1, "expected `;'; found `%s'", decode(t)); |
0875b58f |
418 | |
419 | /* --- Run the test code --- */ |
420 | |
421 | if (!cch->test(dv)) { |
422 | printf("%s: ", cch->name); |
423 | for (i = 0; i < sofar; i++) putchar('.'); |
424 | fail = 1; ok = 0; |
425 | } |
426 | sofar++; |
427 | putchar('.'); |
428 | fflush(stdout); |
429 | } |
430 | |
431 | puts(ok ? " ok" : " failed"); |
432 | fflush(stdout); |
433 | continue; |
434 | |
435 | skip_chunk: |
083cdbed |
436 | if ((t = gettok(fp)) != '{') |
437 | die(1, "expected '{'; found `%s'", decode(t)); |
0875b58f |
438 | for (;;) { |
083cdbed |
439 | t = gettok(fp); |
440 | if (t == '}') |
0875b58f |
441 | break; |
083cdbed |
442 | while (t == TOK_WORD) |
443 | t = gettok(fp); |
444 | if (t != ';') |
445 | die(1, "expected `;'; found `%s'", decode(t)); |
0875b58f |
446 | } |
447 | } |
448 | |
449 | exit(fail); |
450 | } |
451 | |
452 | /*----- That's all, folks -------------------------------------------------*/ |