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8aa47f26 | 1 | ;;;; r6rs-ports.test --- R6RS I/O port tests. -*- coding: utf-8; -*- |
1ee2c72e | 2 | ;;;; |
d3a1a74c | 3 | ;;;; Copyright (C) 2009, 2010, 2011, 2012 Free Software Foundation, Inc. |
8aa47f26 | 4 | ;;;; Ludovic Courtès |
1ee2c72e LC |
5 | ;;;; |
6 | ;;;; This library is free software; you can redistribute it and/or | |
7 | ;;;; modify it under the terms of the GNU Lesser General Public | |
8 | ;;;; License as published by the Free Software Foundation; either | |
53befeb7 NJ |
9 | ;;;; version 3 of the License, or (at your option) any later version. |
10 | ;;;; | |
1ee2c72e LC |
11 | ;;;; This library is distributed in the hope that it will be useful, |
12 | ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | ;;;; Lesser General Public License for more details. | |
53befeb7 | 15 | ;;;; |
1ee2c72e LC |
16 | ;;;; You should have received a copy of the GNU Lesser General Public |
17 | ;;;; License along with this library; if not, write to the Free Software | |
18 | ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | ||
20 | (define-module (test-io-ports) | |
d4b81637 | 21 | #:use-module (test-suite lib) |
b6a66c21 | 22 | #:use-module (test-suite guile-test) |
d4b81637 LC |
23 | #:use-module (srfi srfi-1) |
24 | #:use-module (srfi srfi-11) | |
25 | #:use-module (rnrs io ports) | |
b6a66c21 | 26 | #:use-module (rnrs io simple) |
b1e76e8f | 27 | #:use-module (rnrs exceptions) |
d4b81637 | 28 | #:use-module (rnrs bytevectors)) |
1ee2c72e | 29 | |
b6a66c21 AR |
30 | (define-syntax pass-if-condition |
31 | (syntax-rules () | |
32 | ((_ name predicate body0 body ...) | |
33 | (let ((cookie (list 'cookie))) | |
34 | (pass-if name | |
35 | (eq? cookie (guard (c ((predicate c) cookie)) | |
36 | body0 body ...))))))) | |
37 | ||
38 | (define (test-file) | |
39 | (data-file-name "ports-test.tmp")) | |
40 | ||
41 | ;; A input/output port that swallows all output, and produces just | |
42 | ;; spaces on input. Reading and writing beyond `failure-position' | |
43 | ;; produces `system-error' exceptions. Used for testing exception | |
44 | ;; behavior. | |
45 | (define* (make-failing-port #:optional (failure-position 0)) | |
46 | (define (maybe-fail index errno) | |
47 | (if (> index failure-position) | |
48 | (scm-error 'system-error | |
49 | 'failing-port | |
50 | "I/O beyond failure position" '() | |
51 | (list errno)))) | |
52 | (let ((read-index 0) | |
53 | (write-index 0)) | |
54 | (define (write-char chr) | |
55 | (set! write-index (+ 1 write-index)) | |
56 | (maybe-fail write-index ENOSPC)) | |
57 | (make-soft-port | |
58 | (vector write-char | |
59 | (lambda (str) ;; write-string | |
60 | (for-each write-char (string->list str))) | |
61 | (lambda () #t) ;; flush-output | |
62 | (lambda () ;; read-char | |
63 | (set! read-index (+ read-index 1)) | |
64 | (maybe-fail read-index EIO) | |
65 | #\space) | |
66 | (lambda () #t)) ;; close-port | |
67 | "rw"))) | |
68 | ||
dfc4d56d AR |
69 | (define (call-with-bytevector-output-port/transcoded transcoder receiver) |
70 | (call-with-bytevector-output-port | |
71 | (lambda (bv-port) | |
72 | (call-with-port (transcoded-port bv-port transcoder) | |
73 | receiver)))) | |
74 | ||
1ee2c72e LC |
75 | \f |
76 | (with-test-prefix "7.2.5 End-of-File Object" | |
77 | ||
78 | (pass-if "eof-object" | |
79 | (and (eqv? (eof-object) (eof-object)) | |
b04f841d AW |
80 | (eq? (eof-object) (eof-object)))) |
81 | ||
82 | (pass-if "port-eof?" | |
83 | (port-eof? (open-input-string "")))) | |
1ee2c72e LC |
84 | |
85 | \f | |
86 | (with-test-prefix "7.2.8 Binary Input" | |
87 | ||
88 | (pass-if "get-u8" | |
89 | (let ((port (open-input-string "A"))) | |
90 | (and (= (char->integer #\A) (get-u8 port)) | |
91 | (eof-object? (get-u8 port))))) | |
92 | ||
93 | (pass-if "lookahead-u8" | |
94 | (let ((port (open-input-string "A"))) | |
95 | (and (= (char->integer #\A) (lookahead-u8 port)) | |
8aa47f26 | 96 | (= (char->integer #\A) (lookahead-u8 port)) |
1ee2c72e LC |
97 | (= (char->integer #\A) (get-u8 port)) |
98 | (eof-object? (get-u8 port))))) | |
99 | ||
8aa47f26 LC |
100 | (pass-if "lookahead-u8 non-ASCII" |
101 | (let ((port (with-fluids ((%default-port-encoding "UTF-8")) | |
102 | (open-input-string "λ")))) | |
103 | (and (= 206 (lookahead-u8 port)) | |
104 | (= 206 (lookahead-u8 port)) | |
105 | (= 206 (get-u8 port)) | |
106 | (= 187 (lookahead-u8 port)) | |
107 | (= 187 (lookahead-u8 port)) | |
108 | (= 187 (get-u8 port)) | |
109 | (eof-object? (lookahead-u8 port)) | |
110 | (eof-object? (get-u8 port))))) | |
111 | ||
3fa88220 LC |
112 | (pass-if "lookahead-u8: result is unsigned" |
113 | ;; Bug #31081. | |
114 | (let ((port (open-bytevector-input-port #vu8(255)))) | |
115 | (= (lookahead-u8 port) 255))) | |
116 | ||
1ee2c72e LC |
117 | (pass-if "get-bytevector-n [short]" |
118 | (let* ((port (open-input-string "GNU Guile")) | |
119 | (bv (get-bytevector-n port 4))) | |
120 | (and (bytevector? bv) | |
121 | (equal? (bytevector->u8-list bv) | |
122 | (map char->integer (string->list "GNU ")))))) | |
123 | ||
124 | (pass-if "get-bytevector-n [long]" | |
125 | (let* ((port (open-input-string "GNU Guile")) | |
126 | (bv (get-bytevector-n port 256))) | |
127 | (and (bytevector? bv) | |
128 | (equal? (bytevector->u8-list bv) | |
129 | (map char->integer (string->list "GNU Guile")))))) | |
130 | ||
131 | (pass-if-exception "get-bytevector-n with closed port" | |
132 | exception:wrong-type-arg | |
133 | ||
134 | (let ((port (%make-void-port "r"))) | |
135 | ||
136 | (close-port port) | |
137 | (get-bytevector-n port 3))) | |
138 | ||
139 | (pass-if "get-bytevector-n! [short]" | |
140 | (let* ((port (open-input-string "GNU Guile")) | |
141 | (bv (make-bytevector 4)) | |
142 | (read (get-bytevector-n! port bv 0 4))) | |
143 | (and (equal? read 4) | |
144 | (equal? (bytevector->u8-list bv) | |
145 | (map char->integer (string->list "GNU ")))))) | |
146 | ||
147 | (pass-if "get-bytevector-n! [long]" | |
148 | (let* ((str "GNU Guile") | |
149 | (port (open-input-string str)) | |
150 | (bv (make-bytevector 256)) | |
151 | (read (get-bytevector-n! port bv 0 256))) | |
152 | (and (equal? read (string-length str)) | |
153 | (equal? (map (lambda (i) | |
154 | (bytevector-u8-ref bv i)) | |
155 | (iota read)) | |
156 | (map char->integer (string->list str)))))) | |
157 | ||
158 | (pass-if "get-bytevector-some [simple]" | |
159 | (let* ((str "GNU Guile") | |
160 | (port (open-input-string str)) | |
161 | (bv (get-bytevector-some port))) | |
162 | (and (bytevector? bv) | |
163 | (equal? (bytevector->u8-list bv) | |
164 | (map char->integer (string->list str)))))) | |
165 | ||
166 | (pass-if "get-bytevector-some [only-some]" | |
167 | (let* ((str "GNU Guile") | |
168 | (index 0) | |
169 | (port (make-soft-port | |
170 | (vector #f #f #f | |
171 | (lambda () | |
172 | (if (>= index (string-length str)) | |
173 | (eof-object) | |
174 | (let ((c (string-ref str index))) | |
175 | (set! index (+ index 1)) | |
176 | c))) | |
177 | (lambda () #t) | |
178 | (lambda () | |
179 | ;; Number of readily available octets: falls to | |
180 | ;; zero after 4 octets have been read. | |
181 | (- 4 (modulo index 5)))) | |
182 | "r")) | |
183 | (bv (get-bytevector-some port))) | |
184 | (and (bytevector? bv) | |
185 | (= index 4) | |
186 | (= (bytevector-length bv) index) | |
187 | (equal? (bytevector->u8-list bv) | |
188 | (map char->integer (string->list "GNU ")))))) | |
189 | ||
190 | (pass-if "get-bytevector-all" | |
191 | (let* ((str "GNU Guile") | |
192 | (index 0) | |
193 | (port (make-soft-port | |
194 | (vector #f #f #f | |
195 | (lambda () | |
196 | (if (>= index (string-length str)) | |
197 | (eof-object) | |
198 | (let ((c (string-ref str index))) | |
199 | (set! index (+ index 1)) | |
200 | c))) | |
201 | (lambda () #t) | |
202 | (let ((cont? #f)) | |
203 | (lambda () | |
204 | ;; Number of readily available octets: falls to | |
205 | ;; zero after 4 octets have been read and then | |
206 | ;; starts again. | |
207 | (let ((a (if cont? | |
208 | (- (string-length str) index) | |
209 | (- 4 (modulo index 5))))) | |
210 | (if (= 0 a) (set! cont? #t)) | |
211 | a)))) | |
212 | "r")) | |
213 | (bv (get-bytevector-all port))) | |
214 | (and (bytevector? bv) | |
215 | (= index (string-length str)) | |
216 | (= (bytevector-length bv) (string-length str)) | |
217 | (equal? (bytevector->u8-list bv) | |
218 | (map char->integer (string->list str))))))) | |
219 | ||
220 | \f | |
221 | (define (make-soft-output-port) | |
222 | (let* ((bv (make-bytevector 1024)) | |
223 | (read-index 0) | |
224 | (write-index 0) | |
225 | (write-char (lambda (chr) | |
226 | (bytevector-u8-set! bv write-index | |
227 | (char->integer chr)) | |
228 | (set! write-index (+ 1 write-index))))) | |
229 | (make-soft-port | |
230 | (vector write-char | |
231 | (lambda (str) ;; write-string | |
232 | (for-each write-char (string->list str))) | |
233 | (lambda () #t) ;; flush-output | |
234 | (lambda () ;; read-char | |
235 | (if (>= read-index (bytevector-length bv)) | |
236 | (eof-object) | |
237 | (let ((c (bytevector-u8-ref bv read-index))) | |
238 | (set! read-index (+ read-index 1)) | |
239 | (integer->char c)))) | |
240 | (lambda () #t)) ;; close-port | |
241 | "rw"))) | |
242 | ||
243 | (with-test-prefix "7.2.11 Binary Output" | |
244 | ||
245 | (pass-if "put-u8" | |
246 | (let ((port (make-soft-output-port))) | |
247 | (put-u8 port 77) | |
248 | (equal? (get-u8 port) 77))) | |
249 | ||
bf08e10f LC |
250 | ;; Note: The `put-bytevector' tests below require a Latin-1 locale so |
251 | ;; that the `scm_from_locale_stringn' call in `sf_write' will let all | |
252 | ;; the bytes through, unmodified. This is hacky, but we can't use | |
253 | ;; "custom binary output ports" here because they're only tested | |
254 | ;; later. | |
255 | ||
1ee2c72e | 256 | (pass-if "put-bytevector [2 args]" |
bf08e10f LC |
257 | (with-latin1-locale |
258 | (let ((port (make-soft-output-port)) | |
259 | (bv (make-bytevector 256))) | |
260 | (put-bytevector port bv) | |
261 | (equal? (bytevector->u8-list bv) | |
262 | (bytevector->u8-list | |
263 | (get-bytevector-n port (bytevector-length bv))))))) | |
1ee2c72e LC |
264 | |
265 | (pass-if "put-bytevector [3 args]" | |
bf08e10f LC |
266 | (with-latin1-locale |
267 | (let ((port (make-soft-output-port)) | |
268 | (bv (make-bytevector 256)) | |
269 | (start 10)) | |
270 | (put-bytevector port bv start) | |
271 | (equal? (drop (bytevector->u8-list bv) start) | |
272 | (bytevector->u8-list | |
273 | (get-bytevector-n port (- (bytevector-length bv) start))))))) | |
1ee2c72e LC |
274 | |
275 | (pass-if "put-bytevector [4 args]" | |
bf08e10f LC |
276 | (with-latin1-locale |
277 | (let ((port (make-soft-output-port)) | |
278 | (bv (make-bytevector 256)) | |
279 | (start 10) | |
280 | (count 77)) | |
281 | (put-bytevector port bv start count) | |
282 | (equal? (take (drop (bytevector->u8-list bv) start) count) | |
283 | (bytevector->u8-list | |
284 | (get-bytevector-n port count)))))) | |
1ee2c72e LC |
285 | |
286 | (pass-if-exception "put-bytevector with closed port" | |
287 | exception:wrong-type-arg | |
288 | ||
289 | (let* ((bv (make-bytevector 4)) | |
290 | (port (%make-void-port "w"))) | |
291 | ||
292 | (close-port port) | |
7b041912 LC |
293 | (put-bytevector port bv))) |
294 | ||
295 | (pass-if "put-bytevector with UTF-16 string port" | |
296 | (let* ((str "hello, world") | |
297 | (bv (string->utf16 str))) | |
298 | (equal? str | |
299 | (with-fluids ((%default-port-encoding "UTF-16BE")) | |
300 | (call-with-output-string | |
301 | (lambda (port) | |
302 | (put-bytevector port bv))))))) | |
303 | ||
ef7e4ba3 | 304 | (pass-if "put-bytevector with wrong-encoding string port" |
7b041912 LC |
305 | (let* ((str "hello, world") |
306 | (bv (string->utf16 str))) | |
c62da8f8 | 307 | (catch 'decoding-error |
ef7e4ba3 | 308 | (lambda () |
d3a1a74c LC |
309 | (with-fluids ((%default-port-encoding "UTF-32") |
310 | (%default-port-conversion-strategy 'error)) | |
ef7e4ba3 LC |
311 | (call-with-output-string |
312 | (lambda (port) | |
d3a1a74c LC |
313 | (put-bytevector port bv))) |
314 | #f)) ; fail if we reach this point | |
c62da8f8 LC |
315 | (lambda (key subr message errno port) |
316 | (string? (strerror errno))))))) | |
1ee2c72e LC |
317 | |
318 | \f | |
319 | (with-test-prefix "7.2.7 Input Ports" | |
320 | ||
0687e826 AR |
321 | (let ((filename (test-file)) |
322 | (contents (string->utf8 "GNU λ"))) | |
323 | ||
324 | ;; Create file | |
325 | (call-with-output-file filename | |
326 | (lambda (port) (put-bytevector port contents))) | |
327 | ||
328 | (pass-if "open-file-input-port [opens binary port]" | |
329 | (with-fluids ((%default-port-encoding "UTF-8")) | |
330 | (call-with-port (open-file-input-port filename) | |
331 | (lambda (port) | |
332 | (and (binary-port? port) | |
333 | (bytevector=? contents (get-bytevector-all port))))))) | |
334 | ||
335 | (delete-file filename)) | |
336 | ||
1ee2c72e LC |
337 | ;; This section appears here so that it can use the binary input |
338 | ;; primitives. | |
339 | ||
340 | (pass-if "open-bytevector-input-port [1 arg]" | |
341 | (let* ((str "Hello Port!") | |
342 | (bv (u8-list->bytevector (map char->integer | |
343 | (string->list str)))) | |
344 | (port (open-bytevector-input-port bv)) | |
345 | (read-to-string | |
346 | (lambda (port) | |
347 | (let loop ((chr (read-char port)) | |
348 | (result '())) | |
349 | (if (eof-object? chr) | |
350 | (apply string (reverse! result)) | |
351 | (loop (read-char port) | |
352 | (cons chr result))))))) | |
353 | ||
354 | (equal? (read-to-string port) str))) | |
355 | ||
96128014 LC |
356 | (pass-if "bytevector-input-port is binary" |
357 | (with-fluids ((%default-port-encoding "UTF-8")) | |
358 | (binary-port? (open-bytevector-input-port #vu8(1 2 3))))) | |
359 | ||
1ee2c72e LC |
360 | (pass-if-exception "bytevector-input-port is read-only" |
361 | exception:wrong-type-arg | |
362 | ||
363 | (let* ((str "Hello Port!") | |
364 | (bv (u8-list->bytevector (map char->integer | |
365 | (string->list str)))) | |
366 | (port (open-bytevector-input-port bv #f))) | |
367 | ||
368 | (write "hello" port))) | |
369 | ||
370 | (pass-if "bytevector input port supports seeking" | |
371 | (let* ((str "Hello Port!") | |
372 | (bv (u8-list->bytevector (map char->integer | |
373 | (string->list str)))) | |
374 | (port (open-bytevector-input-port bv #f))) | |
375 | ||
376 | (and (port-has-port-position? port) | |
377 | (= 0 (port-position port)) | |
378 | (port-has-set-port-position!? port) | |
379 | (begin | |
380 | (set-port-position! port 6) | |
381 | (= 6 (port-position port))) | |
382 | (bytevector=? (get-bytevector-all port) | |
383 | (u8-list->bytevector | |
384 | (map char->integer (string->list "Port!"))))))) | |
385 | ||
c89b4529 IP |
386 | (pass-if "bytevector input port can seek to very end" |
387 | (let ((empty (open-bytevector-input-port '#vu8())) | |
388 | (not-empty (open-bytevector-input-port '#vu8(1 2 3)))) | |
389 | (and (begin (set-port-position! empty (port-position empty)) | |
390 | (= 0 (port-position empty))) | |
391 | (begin (get-bytevector-n not-empty 3) | |
392 | (set-port-position! not-empty (port-position not-empty)) | |
393 | (= 3 (port-position not-empty)))))) | |
394 | ||
1ee2c72e LC |
395 | (pass-if-exception "make-custom-binary-input-port [wrong-num-args]" |
396 | exception:wrong-num-args | |
397 | ||
398 | ;; Prior to Guile-R6RS-Libs 0.2, the last 3 arguments were wrongfully | |
399 | ;; optional. | |
400 | (make-custom-binary-input-port "port" (lambda args #t))) | |
401 | ||
402 | (pass-if "make-custom-binary-input-port" | |
403 | (let* ((source (make-bytevector 7777)) | |
404 | (read! (let ((pos 0) | |
405 | (len (bytevector-length source))) | |
406 | (lambda (bv start count) | |
407 | (let ((amount (min count (- len pos)))) | |
408 | (if (> amount 0) | |
409 | (bytevector-copy! source pos | |
410 | bv start amount)) | |
411 | (set! pos (+ pos amount)) | |
412 | amount)))) | |
413 | (port (make-custom-binary-input-port "the port" read! | |
414 | #f #f #f))) | |
415 | ||
96128014 LC |
416 | (and (binary-port? port) |
417 | (input-port? port) | |
418 | (bytevector=? (get-bytevector-all port) source)))) | |
1ee2c72e LC |
419 | |
420 | (pass-if "custom binary input port does not support `port-position'" | |
421 | (let* ((str "Hello Port!") | |
422 | (source (open-bytevector-input-port | |
423 | (u8-list->bytevector | |
424 | (map char->integer (string->list str))))) | |
425 | (read! (lambda (bv start count) | |
426 | (let ((r (get-bytevector-n! source bv start count))) | |
427 | (if (eof-object? r) | |
428 | 0 | |
429 | r)))) | |
430 | (port (make-custom-binary-input-port "the port" read! | |
431 | #f #f #f))) | |
432 | (not (or (port-has-port-position? port) | |
433 | (port-has-set-port-position!? port))))) | |
434 | ||
435 | (pass-if "custom binary input port supports `port-position'" | |
436 | (let* ((str "Hello Port!") | |
437 | (source (open-bytevector-input-port | |
438 | (u8-list->bytevector | |
439 | (map char->integer (string->list str))))) | |
440 | (read! (lambda (bv start count) | |
441 | (let ((r (get-bytevector-n! source bv start count))) | |
442 | (if (eof-object? r) | |
443 | 0 | |
444 | r)))) | |
445 | (get-pos (lambda () | |
446 | (port-position source))) | |
447 | (set-pos! (lambda (pos) | |
448 | (set-port-position! source pos))) | |
449 | (port (make-custom-binary-input-port "the port" read! | |
450 | get-pos set-pos! #f))) | |
451 | ||
452 | (and (port-has-port-position? port) | |
453 | (= 0 (port-position port)) | |
454 | (port-has-set-port-position!? port) | |
455 | (begin | |
456 | (set-port-position! port 6) | |
457 | (= 6 (port-position port))) | |
458 | (bytevector=? (get-bytevector-all port) | |
459 | (u8-list->bytevector | |
460 | (map char->integer (string->list "Port!"))))))) | |
461 | ||
462 | (pass-if "custom binary input port `close-proc' is called" | |
463 | (let* ((closed? #f) | |
464 | (read! (lambda (bv start count) 0)) | |
465 | (get-pos (lambda () 0)) | |
466 | (set-pos! (lambda (pos) #f)) | |
467 | (close! (lambda () (set! closed? #t))) | |
468 | (port (make-custom-binary-input-port "the port" read! | |
469 | get-pos set-pos! | |
470 | close!))) | |
471 | ||
472 | (close-port port) | |
4574ec21 | 473 | (gc) ; Test for marking a closed port. |
ead04a04 AR |
474 | closed?)) |
475 | ||
476 | (pass-if "standard-input-port is binary" | |
477 | (with-fluids ((%default-port-encoding "UTF-8")) | |
478 | (binary-port? (standard-input-port))))) | |
1ee2c72e LC |
479 | |
480 | \f | |
481 | (with-test-prefix "8.2.10 Output ports" | |
482 | ||
b6a66c21 | 483 | (let ((filename (test-file))) |
0687e826 AR |
484 | (with-fluids ((%default-port-encoding "UTF-8")) |
485 | (pass-if "open-file-output-port [opens binary port]" | |
486 | (call-with-port (open-file-output-port filename) | |
487 | (lambda (port) | |
488 | (put-bytevector port '#vu8(1 2 3)) | |
489 | (binary-port? port))))) | |
b6a66c21 AR |
490 | |
491 | (pass-if-condition "open-file-output-port [exception: already-exists]" | |
492 | i/o-file-already-exists-error? | |
493 | (open-file-output-port filename)) | |
494 | ||
495 | (pass-if "open-file-output-port [no-fail no-truncate]" | |
496 | (and | |
497 | (call-with-port (open-file-output-port filename | |
498 | (file-options no-fail no-truncate)) | |
499 | (lambda (port) | |
500 | (= 0 (port-position port)))) | |
501 | (= 3 (stat:size (stat filename))))) | |
502 | ||
503 | (pass-if "open-file-output-port [no-fail]" | |
504 | (and | |
505 | (call-with-port (open-file-output-port filename (file-options no-fail)) | |
506 | binary-port?) | |
507 | (= 0 (stat:size (stat filename))))) | |
508 | ||
509 | (delete-file filename) | |
510 | ||
511 | (pass-if-condition "open-file-output-port [exception: does-not-exist]" | |
512 | i/o-file-does-not-exist-error? | |
513 | (open-file-output-port filename (file-options no-create)))) | |
514 | ||
1ee2c72e LC |
515 | (pass-if "open-bytevector-output-port" |
516 | (let-values (((port get-content) | |
517 | (open-bytevector-output-port #f))) | |
518 | (let ((source (make-bytevector 7777))) | |
519 | (put-bytevector port source) | |
520 | (and (bytevector=? (get-content) source) | |
521 | (bytevector=? (get-content) (make-bytevector 0)))))) | |
96128014 LC |
522 | |
523 | (pass-if "bytevector-output-port is binary" | |
524 | (binary-port? (open-bytevector-output-port))) | |
525 | ||
a653d32a AR |
526 | (pass-if "open-bytevector-output-port [extract after close]" |
527 | (let-values (((port get-content) | |
528 | (open-bytevector-output-port))) | |
529 | (let ((source (make-bytevector 12345 #xFE))) | |
530 | (put-bytevector port source) | |
531 | (close-port port) | |
532 | (bytevector=? (get-content) source)))) | |
1ee2c72e LC |
533 | |
534 | (pass-if "open-bytevector-output-port [put-u8]" | |
535 | (let-values (((port get-content) | |
536 | (open-bytevector-output-port))) | |
537 | (put-u8 port 77) | |
538 | (and (bytevector=? (get-content) (make-bytevector 1 77)) | |
539 | (bytevector=? (get-content) (make-bytevector 0))))) | |
540 | ||
541 | (pass-if "open-bytevector-output-port [display]" | |
542 | (let-values (((port get-content) | |
543 | (open-bytevector-output-port))) | |
544 | (display "hello" port) | |
545 | (and (bytevector=? (get-content) (string->utf8 "hello")) | |
546 | (bytevector=? (get-content) (make-bytevector 0))))) | |
547 | ||
548 | (pass-if "bytevector output port supports `port-position'" | |
549 | (let-values (((port get-content) | |
550 | (open-bytevector-output-port))) | |
551 | (let ((source (make-bytevector 7777)) | |
552 | (overwrite (make-bytevector 33))) | |
553 | (and (port-has-port-position? port) | |
554 | (port-has-set-port-position!? port) | |
555 | (begin | |
556 | (put-bytevector port source) | |
557 | (= (bytevector-length source) | |
558 | (port-position port))) | |
559 | (begin | |
560 | (set-port-position! port 10) | |
561 | (= 10 (port-position port))) | |
562 | (begin | |
563 | (put-bytevector port overwrite) | |
564 | (bytevector-copy! overwrite 0 source 10 | |
565 | (bytevector-length overwrite)) | |
566 | (= (port-position port) | |
567 | (+ 10 (bytevector-length overwrite)))) | |
568 | (bytevector=? (get-content) source) | |
569 | (bytevector=? (get-content) (make-bytevector 0)))))) | |
570 | ||
96128014 | 571 | (pass-if "make-custom-binary-output-port" |
1ee2c72e LC |
572 | (let ((port (make-custom-binary-output-port "cbop" |
573 | (lambda (x y z) 0) | |
574 | #f #f #f))) | |
575 | (and (output-port? port) | |
576 | (binary-port? port) | |
577 | (not (port-has-port-position? port)) | |
578 | (not (port-has-set-port-position!? port))))) | |
579 | ||
580 | (pass-if "make-custom-binary-output-port [partial writes]" | |
581 | (let* ((source (uint-list->bytevector (iota 333) | |
582 | (native-endianness) 2)) | |
583 | (sink (make-bytevector (bytevector-length source))) | |
584 | (sink-pos 0) | |
585 | (eof? #f) | |
586 | (write! (lambda (bv start count) | |
587 | (if (= 0 count) | |
588 | (begin | |
589 | (set! eof? #t) | |
590 | 0) | |
591 | (let ((u8 (bytevector-u8-ref bv start))) | |
592 | ;; Get one byte at a time. | |
593 | (bytevector-u8-set! sink sink-pos u8) | |
594 | (set! sink-pos (+ 1 sink-pos)) | |
595 | 1)))) | |
596 | (port (make-custom-binary-output-port "cbop" write! | |
597 | #f #f #f))) | |
598 | (put-bytevector port source) | |
599 | (and (= sink-pos (bytevector-length source)) | |
600 | (not eof?) | |
601 | (bytevector=? sink source)))) | |
602 | ||
603 | (pass-if "make-custom-binary-output-port [full writes]" | |
604 | (let* ((source (uint-list->bytevector (iota 333) | |
605 | (native-endianness) 2)) | |
606 | (sink (make-bytevector (bytevector-length source))) | |
607 | (sink-pos 0) | |
608 | (eof? #f) | |
609 | (write! (lambda (bv start count) | |
610 | (if (= 0 count) | |
611 | (begin | |
612 | (set! eof? #t) | |
613 | 0) | |
614 | (begin | |
615 | (bytevector-copy! bv start | |
616 | sink sink-pos | |
617 | count) | |
618 | (set! sink-pos (+ sink-pos count)) | |
619 | count)))) | |
620 | (port (make-custom-binary-output-port "cbop" write! | |
621 | #f #f #f))) | |
622 | (put-bytevector port source) | |
623 | (and (= sink-pos (bytevector-length source)) | |
624 | (not eof?) | |
ead04a04 AR |
625 | (bytevector=? sink source)))) |
626 | ||
627 | (pass-if "standard-output-port is binary" | |
628 | (with-fluids ((%default-port-encoding "UTF-8")) | |
629 | (binary-port? (standard-output-port)))) | |
630 | ||
631 | (pass-if "standard-error-port is binary" | |
632 | (with-fluids ((%default-port-encoding "UTF-8")) | |
633 | (binary-port? (standard-error-port))))) | |
1ee2c72e | 634 | |
d4b81637 | 635 | \f |
1044537d | 636 | (with-test-prefix "8.2.6 Input and output ports" |
d4b81637 | 637 | |
1044537d | 638 | (pass-if "transcoded-port [output]" |
8aa47f26 | 639 | (let ((s "Hello\nÄÖÜ")) |
1044537d AR |
640 | (bytevector=? |
641 | (string->utf8 s) | |
dfc4d56d AR |
642 | (call-with-bytevector-output-port/transcoded (make-transcoder (utf-8-codec)) |
643 | (lambda (utf8-port) | |
644 | (put-string utf8-port s)))))) | |
d4b81637 | 645 | |
1044537d | 646 | (pass-if "transcoded-port [input]" |
8aa47f26 | 647 | (let ((s "Hello\nÄÖÜ")) |
1044537d AR |
648 | (string=? |
649 | s | |
650 | (get-string-all | |
651 | (transcoded-port (open-bytevector-input-port (string->utf8 s)) | |
652 | (make-transcoder (utf-8-codec))))))) | |
d4b81637 | 653 | |
1044537d | 654 | (pass-if "transcoded-port [input line]" |
8aa47f26 | 655 | (string=? "ÄÖÜ" |
1044537d | 656 | (get-line (transcoded-port |
8aa47f26 | 657 | (open-bytevector-input-port (string->utf8 "ÄÖÜ\nFooBar")) |
d4b81637 LC |
658 | (make-transcoder (utf-8-codec)))))) |
659 | ||
660 | (pass-if "transcoded-port [error handling mode = raise]" | |
661 | (let* ((t (make-transcoder (utf-8-codec) (native-eol-style) | |
662 | (error-handling-mode raise))) | |
663 | (b (open-bytevector-input-port #vu8(255 2 1))) | |
664 | (tp (transcoded-port b t))) | |
b1e76e8f LC |
665 | (guard (c ((i/o-decoding-error? c) |
666 | (eq? (i/o-error-port c) tp))) | |
d3a1a74c LC |
667 | (get-line tp) |
668 | #f))) ; fail if we reach this point | |
d4b81637 LC |
669 | |
670 | (pass-if "transcoded-port [error handling mode = replace]" | |
671 | (let* ((t (make-transcoder (utf-8-codec) (native-eol-style) | |
672 | (error-handling-mode replace))) | |
673 | (b (open-bytevector-input-port #vu8(255 1 2 3 103 110 117))) | |
674 | (tp (transcoded-port b t))) | |
eed98cbc LC |
675 | (string-suffix? "gnu" (get-line tp)))) |
676 | ||
677 | (pass-if "transcoded-port, output [error handling mode = raise]" | |
678 | (let-values (((p get) | |
679 | (open-bytevector-output-port))) | |
680 | (let* ((t (make-transcoder (latin-1-codec) (native-eol-style) | |
681 | (error-handling-mode raise))) | |
682 | (tp (transcoded-port p t))) | |
683 | (guard (c ((i/o-encoding-error? c) | |
684 | (and (eq? (i/o-error-port c) tp) | |
685 | (char=? (i/o-encoding-error-char c) #\λ) | |
686 | (bytevector=? (get) (string->utf8 "The letter "))))) | |
687 | (put-string tp "The letter λ cannot be represented in Latin-1.") | |
ead04a04 AR |
688 | #f)))) |
689 | ||
690 | (pass-if "port-transcoder [binary port]" | |
691 | (not (port-transcoder (open-bytevector-input-port #vu8())))) | |
692 | ||
693 | (pass-if "port-transcoder [transcoded port]" | |
694 | (let* ((p (transcoded-port (open-bytevector-input-port (string->utf8 "foo")) | |
695 | (make-transcoder (utf-8-codec)))) | |
696 | (t (port-transcoder p))) | |
697 | (and t | |
698 | (transcoder-codec t) | |
699 | (eq? (native-eol-style) | |
700 | (transcoder-eol-style t)) | |
701 | (eq? (error-handling-mode replace) | |
702 | (transcoder-error-handling-mode t)))))) | |
1044537d | 703 | |
a6c377f7 AR |
704 | (with-test-prefix "8.2.9 Textual input" |
705 | ||
706 | (pass-if "get-string-n [short]" | |
707 | (let ((port (open-input-string "GNU Guile"))) | |
708 | (string=? "GNU " (get-string-n port 4)))) | |
709 | (pass-if "get-string-n [long]" | |
710 | (let ((port (open-input-string "GNU Guile"))) | |
711 | (string=? "GNU Guile" (get-string-n port 256)))) | |
712 | (pass-if "get-string-n [eof]" | |
713 | (let ((port (open-input-string ""))) | |
714 | (eof-object? (get-string-n port 4)))) | |
715 | ||
716 | (pass-if "get-string-n! [short]" | |
717 | (let ((port (open-input-string "GNU Guile")) | |
718 | (s (string-copy "Isn't XXX great?"))) | |
719 | (and (= 3 (get-string-n! port s 6 3)) | |
b6a66c21 AR |
720 | (string=? s "Isn't GNU great?")))) |
721 | ||
722 | (with-test-prefix "read error" | |
723 | (pass-if-condition "get-char" i/o-read-error? | |
724 | (get-char (make-failing-port))) | |
725 | (pass-if-condition "lookahead-char" i/o-read-error? | |
726 | (lookahead-char (make-failing-port))) | |
727 | ;; FIXME: these are not yet exception-correct | |
728 | #| | |
729 | (pass-if-condition "get-string-n" i/o-read-error? | |
730 | (get-string-n (make-failing-port) 5)) | |
731 | (pass-if-condition "get-string-n!" i/o-read-error? | |
732 | (get-string-n! (make-failing-port) (make-string 5) 0 5)) | |
733 | |# | |
734 | (pass-if-condition "get-string-all" i/o-read-error? | |
735 | (get-string-all (make-failing-port 100))) | |
736 | (pass-if-condition "get-line" i/o-read-error? | |
737 | (get-line (make-failing-port))) | |
738 | (pass-if-condition "get-datum" i/o-read-error? | |
739 | (get-datum (make-failing-port))))) | |
740 | ||
dfc4d56d AR |
741 | (define (encoding-error-predicate char) |
742 | (lambda (c) | |
743 | (and (i/o-encoding-error? c) | |
744 | (char=? char (i/o-encoding-error-char c))))) | |
745 | ||
b6a66c21 AR |
746 | (with-test-prefix "8.2.12 Textual Output" |
747 | ||
748 | (with-test-prefix "write error" | |
749 | (pass-if-condition "put-char" i/o-write-error? | |
750 | (put-char (make-failing-port) #\G)) | |
751 | (pass-if-condition "put-string" i/o-write-error? | |
752 | (put-string (make-failing-port) "Hello World!")) | |
753 | (pass-if-condition "put-datum" i/o-write-error? | |
dfc4d56d AR |
754 | (put-datum (make-failing-port) '(hello world!)))) |
755 | (with-test-prefix "encoding error" | |
756 | (pass-if-condition "put-char" (encoding-error-predicate #\λ) | |
757 | (call-with-bytevector-output-port/transcoded | |
758 | (make-transcoder (latin-1-codec) | |
759 | (native-eol-style) | |
760 | (error-handling-mode raise)) | |
761 | (lambda (port) | |
762 | (put-char port #\λ)))) | |
763 | (pass-if-condition "put-string" (encoding-error-predicate #\λ) | |
764 | (call-with-bytevector-output-port/transcoded | |
765 | (make-transcoder (latin-1-codec) | |
766 | (native-eol-style) | |
767 | (error-handling-mode raise)) | |
768 | (lambda (port) | |
769 | (put-string port "FooλBar")))))) | |
b6a66c21 AR |
770 | |
771 | (with-test-prefix "8.3 Simple I/O" | |
772 | (with-test-prefix "read error" | |
773 | (pass-if-condition "read-char" i/o-read-error? | |
774 | (read-char (make-failing-port))) | |
775 | (pass-if-condition "peek-char" i/o-read-error? | |
776 | (peek-char (make-failing-port))) | |
777 | (pass-if-condition "read" i/o-read-error? | |
778 | (read (make-failing-port)))) | |
779 | (with-test-prefix "write error" | |
780 | (pass-if-condition "display" i/o-write-error? | |
781 | (display "Hi there!" (make-failing-port))) | |
782 | (pass-if-condition "write" i/o-write-error? | |
783 | (write '(hi there!) (make-failing-port))) | |
784 | (pass-if-condition "write-char" i/o-write-error? | |
785 | (write-char #\G (make-failing-port))) | |
786 | (pass-if-condition "newline" i/o-write-error? | |
787 | (newline (make-failing-port)))) | |
788 | (let ((filename (test-file))) | |
789 | ;; ensure the test file exists | |
790 | (call-with-output-file filename | |
791 | (lambda (port) (write "foo" port))) | |
792 | (pass-if "call-with-input-file [port is textual]" | |
793 | (call-with-input-file filename textual-port?)) | |
794 | (pass-if-condition "call-with-input-file [exception: not-found]" | |
795 | i/o-file-does-not-exist-error? | |
796 | (call-with-input-file ",this-is-highly-unlikely-to-exist!" | |
797 | values)) | |
798 | (pass-if-condition "call-with-output-file [exception: already-exists]" | |
799 | i/o-file-already-exists-error? | |
800 | (call-with-output-file filename | |
801 | values)) | |
802 | (delete-file filename))) | |
a6c377f7 | 803 | |
1ee2c72e | 804 | ;;; Local Variables: |
1ee2c72e | 805 | ;;; mode: scheme |
b1e76e8f | 806 | ;;; eval: (put 'guard 'scheme-indent-function 1) |
1ee2c72e | 807 | ;;; End: |