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8aa47f26 | 1 | ;;;; r6rs-ports.test --- R6RS I/O port tests. -*- coding: utf-8; -*- |
1ee2c72e | 2 | ;;;; |
b04f841d | 3 | ;;;; Copyright (C) 2009, 2010, 2011 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 LC |
29 | |
30 | ;;; All these tests assume Guile 1.8's port system, where characters are | |
31 | ;;; treated as octets. | |
32 | ||
d6a6989e LC |
33 | ;; Set the default encoding of future ports to be Latin-1. |
34 | (fluid-set! %default-port-encoding #f) | |
889975e5 | 35 | |
b6a66c21 AR |
36 | (define-syntax pass-if-condition |
37 | (syntax-rules () | |
38 | ((_ name predicate body0 body ...) | |
39 | (let ((cookie (list 'cookie))) | |
40 | (pass-if name | |
41 | (eq? cookie (guard (c ((predicate c) cookie)) | |
42 | body0 body ...))))))) | |
43 | ||
44 | (define (test-file) | |
45 | (data-file-name "ports-test.tmp")) | |
46 | ||
47 | ;; A input/output port that swallows all output, and produces just | |
48 | ;; spaces on input. Reading and writing beyond `failure-position' | |
49 | ;; produces `system-error' exceptions. Used for testing exception | |
50 | ;; behavior. | |
51 | (define* (make-failing-port #:optional (failure-position 0)) | |
52 | (define (maybe-fail index errno) | |
53 | (if (> index failure-position) | |
54 | (scm-error 'system-error | |
55 | 'failing-port | |
56 | "I/O beyond failure position" '() | |
57 | (list errno)))) | |
58 | (let ((read-index 0) | |
59 | (write-index 0)) | |
60 | (define (write-char chr) | |
61 | (set! write-index (+ 1 write-index)) | |
62 | (maybe-fail write-index ENOSPC)) | |
63 | (make-soft-port | |
64 | (vector write-char | |
65 | (lambda (str) ;; write-string | |
66 | (for-each write-char (string->list str))) | |
67 | (lambda () #t) ;; flush-output | |
68 | (lambda () ;; read-char | |
69 | (set! read-index (+ read-index 1)) | |
70 | (maybe-fail read-index EIO) | |
71 | #\space) | |
72 | (lambda () #t)) ;; close-port | |
73 | "rw"))) | |
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 LC |
308 | (lambda () |
309 | (with-fluids ((%default-port-encoding "UTF-32")) | |
310 | (call-with-output-string | |
311 | (lambda (port) | |
312 | (put-bytevector port bv))))) | |
c62da8f8 LC |
313 | (lambda (key subr message errno port) |
314 | (string? (strerror errno))))))) | |
1ee2c72e LC |
315 | |
316 | \f | |
317 | (with-test-prefix "7.2.7 Input Ports" | |
318 | ||
319 | ;; This section appears here so that it can use the binary input | |
320 | ;; primitives. | |
321 | ||
322 | (pass-if "open-bytevector-input-port [1 arg]" | |
323 | (let* ((str "Hello Port!") | |
324 | (bv (u8-list->bytevector (map char->integer | |
325 | (string->list str)))) | |
326 | (port (open-bytevector-input-port bv)) | |
327 | (read-to-string | |
328 | (lambda (port) | |
329 | (let loop ((chr (read-char port)) | |
330 | (result '())) | |
331 | (if (eof-object? chr) | |
332 | (apply string (reverse! result)) | |
333 | (loop (read-char port) | |
334 | (cons chr result))))))) | |
335 | ||
336 | (equal? (read-to-string port) str))) | |
337 | ||
96128014 LC |
338 | (pass-if "bytevector-input-port is binary" |
339 | (with-fluids ((%default-port-encoding "UTF-8")) | |
340 | (binary-port? (open-bytevector-input-port #vu8(1 2 3))))) | |
341 | ||
1ee2c72e LC |
342 | (pass-if-exception "bytevector-input-port is read-only" |
343 | exception:wrong-type-arg | |
344 | ||
345 | (let* ((str "Hello Port!") | |
346 | (bv (u8-list->bytevector (map char->integer | |
347 | (string->list str)))) | |
348 | (port (open-bytevector-input-port bv #f))) | |
349 | ||
350 | (write "hello" port))) | |
351 | ||
352 | (pass-if "bytevector input port supports seeking" | |
353 | (let* ((str "Hello Port!") | |
354 | (bv (u8-list->bytevector (map char->integer | |
355 | (string->list str)))) | |
356 | (port (open-bytevector-input-port bv #f))) | |
357 | ||
358 | (and (port-has-port-position? port) | |
359 | (= 0 (port-position port)) | |
360 | (port-has-set-port-position!? port) | |
361 | (begin | |
362 | (set-port-position! port 6) | |
363 | (= 6 (port-position port))) | |
364 | (bytevector=? (get-bytevector-all port) | |
365 | (u8-list->bytevector | |
366 | (map char->integer (string->list "Port!"))))))) | |
367 | ||
c89b4529 IP |
368 | (pass-if "bytevector input port can seek to very end" |
369 | (let ((empty (open-bytevector-input-port '#vu8())) | |
370 | (not-empty (open-bytevector-input-port '#vu8(1 2 3)))) | |
371 | (and (begin (set-port-position! empty (port-position empty)) | |
372 | (= 0 (port-position empty))) | |
373 | (begin (get-bytevector-n not-empty 3) | |
374 | (set-port-position! not-empty (port-position not-empty)) | |
375 | (= 3 (port-position not-empty)))))) | |
376 | ||
1ee2c72e LC |
377 | (pass-if-exception "make-custom-binary-input-port [wrong-num-args]" |
378 | exception:wrong-num-args | |
379 | ||
380 | ;; Prior to Guile-R6RS-Libs 0.2, the last 3 arguments were wrongfully | |
381 | ;; optional. | |
382 | (make-custom-binary-input-port "port" (lambda args #t))) | |
383 | ||
384 | (pass-if "make-custom-binary-input-port" | |
385 | (let* ((source (make-bytevector 7777)) | |
386 | (read! (let ((pos 0) | |
387 | (len (bytevector-length source))) | |
388 | (lambda (bv start count) | |
389 | (let ((amount (min count (- len pos)))) | |
390 | (if (> amount 0) | |
391 | (bytevector-copy! source pos | |
392 | bv start amount)) | |
393 | (set! pos (+ pos amount)) | |
394 | amount)))) | |
395 | (port (make-custom-binary-input-port "the port" read! | |
396 | #f #f #f))) | |
397 | ||
96128014 LC |
398 | (and (binary-port? port) |
399 | (input-port? port) | |
400 | (bytevector=? (get-bytevector-all port) source)))) | |
1ee2c72e LC |
401 | |
402 | (pass-if "custom binary input port does not support `port-position'" | |
403 | (let* ((str "Hello Port!") | |
404 | (source (open-bytevector-input-port | |
405 | (u8-list->bytevector | |
406 | (map char->integer (string->list str))))) | |
407 | (read! (lambda (bv start count) | |
408 | (let ((r (get-bytevector-n! source bv start count))) | |
409 | (if (eof-object? r) | |
410 | 0 | |
411 | r)))) | |
412 | (port (make-custom-binary-input-port "the port" read! | |
413 | #f #f #f))) | |
414 | (not (or (port-has-port-position? port) | |
415 | (port-has-set-port-position!? port))))) | |
416 | ||
417 | (pass-if "custom binary input port supports `port-position'" | |
418 | (let* ((str "Hello Port!") | |
419 | (source (open-bytevector-input-port | |
420 | (u8-list->bytevector | |
421 | (map char->integer (string->list str))))) | |
422 | (read! (lambda (bv start count) | |
423 | (let ((r (get-bytevector-n! source bv start count))) | |
424 | (if (eof-object? r) | |
425 | 0 | |
426 | r)))) | |
427 | (get-pos (lambda () | |
428 | (port-position source))) | |
429 | (set-pos! (lambda (pos) | |
430 | (set-port-position! source pos))) | |
431 | (port (make-custom-binary-input-port "the port" read! | |
432 | get-pos set-pos! #f))) | |
433 | ||
434 | (and (port-has-port-position? port) | |
435 | (= 0 (port-position port)) | |
436 | (port-has-set-port-position!? port) | |
437 | (begin | |
438 | (set-port-position! port 6) | |
439 | (= 6 (port-position port))) | |
440 | (bytevector=? (get-bytevector-all port) | |
441 | (u8-list->bytevector | |
442 | (map char->integer (string->list "Port!"))))))) | |
443 | ||
444 | (pass-if "custom binary input port `close-proc' is called" | |
445 | (let* ((closed? #f) | |
446 | (read! (lambda (bv start count) 0)) | |
447 | (get-pos (lambda () 0)) | |
448 | (set-pos! (lambda (pos) #f)) | |
449 | (close! (lambda () (set! closed? #t))) | |
450 | (port (make-custom-binary-input-port "the port" read! | |
451 | get-pos set-pos! | |
452 | close!))) | |
453 | ||
454 | (close-port port) | |
4574ec21 | 455 | (gc) ; Test for marking a closed port. |
ead04a04 AR |
456 | closed?)) |
457 | ||
458 | (pass-if "standard-input-port is binary" | |
459 | (with-fluids ((%default-port-encoding "UTF-8")) | |
460 | (binary-port? (standard-input-port))))) | |
1ee2c72e LC |
461 | |
462 | \f | |
463 | (with-test-prefix "8.2.10 Output ports" | |
464 | ||
b6a66c21 AR |
465 | (let ((filename (test-file))) |
466 | (pass-if "open-file-output-port [opens binary port]" | |
467 | (call-with-port (open-file-output-port filename) | |
468 | (lambda (port) | |
469 | (put-bytevector port '#vu8(1 2 3)) | |
470 | (binary-port? port)))) | |
471 | ||
472 | (pass-if-condition "open-file-output-port [exception: already-exists]" | |
473 | i/o-file-already-exists-error? | |
474 | (open-file-output-port filename)) | |
475 | ||
476 | (pass-if "open-file-output-port [no-fail no-truncate]" | |
477 | (and | |
478 | (call-with-port (open-file-output-port filename | |
479 | (file-options no-fail no-truncate)) | |
480 | (lambda (port) | |
481 | (= 0 (port-position port)))) | |
482 | (= 3 (stat:size (stat filename))))) | |
483 | ||
484 | (pass-if "open-file-output-port [no-fail]" | |
485 | (and | |
486 | (call-with-port (open-file-output-port filename (file-options no-fail)) | |
487 | binary-port?) | |
488 | (= 0 (stat:size (stat filename))))) | |
489 | ||
490 | (delete-file filename) | |
491 | ||
492 | (pass-if-condition "open-file-output-port [exception: does-not-exist]" | |
493 | i/o-file-does-not-exist-error? | |
494 | (open-file-output-port filename (file-options no-create)))) | |
495 | ||
1ee2c72e LC |
496 | (pass-if "open-bytevector-output-port" |
497 | (let-values (((port get-content) | |
498 | (open-bytevector-output-port #f))) | |
499 | (let ((source (make-bytevector 7777))) | |
500 | (put-bytevector port source) | |
501 | (and (bytevector=? (get-content) source) | |
502 | (bytevector=? (get-content) (make-bytevector 0)))))) | |
96128014 LC |
503 | |
504 | (pass-if "bytevector-output-port is binary" | |
505 | (binary-port? (open-bytevector-output-port))) | |
506 | ||
a653d32a AR |
507 | (pass-if "open-bytevector-output-port [extract after close]" |
508 | (let-values (((port get-content) | |
509 | (open-bytevector-output-port))) | |
510 | (let ((source (make-bytevector 12345 #xFE))) | |
511 | (put-bytevector port source) | |
512 | (close-port port) | |
513 | (bytevector=? (get-content) source)))) | |
1ee2c72e LC |
514 | |
515 | (pass-if "open-bytevector-output-port [put-u8]" | |
516 | (let-values (((port get-content) | |
517 | (open-bytevector-output-port))) | |
518 | (put-u8 port 77) | |
519 | (and (bytevector=? (get-content) (make-bytevector 1 77)) | |
520 | (bytevector=? (get-content) (make-bytevector 0))))) | |
521 | ||
522 | (pass-if "open-bytevector-output-port [display]" | |
523 | (let-values (((port get-content) | |
524 | (open-bytevector-output-port))) | |
525 | (display "hello" port) | |
526 | (and (bytevector=? (get-content) (string->utf8 "hello")) | |
527 | (bytevector=? (get-content) (make-bytevector 0))))) | |
528 | ||
529 | (pass-if "bytevector output port supports `port-position'" | |
530 | (let-values (((port get-content) | |
531 | (open-bytevector-output-port))) | |
532 | (let ((source (make-bytevector 7777)) | |
533 | (overwrite (make-bytevector 33))) | |
534 | (and (port-has-port-position? port) | |
535 | (port-has-set-port-position!? port) | |
536 | (begin | |
537 | (put-bytevector port source) | |
538 | (= (bytevector-length source) | |
539 | (port-position port))) | |
540 | (begin | |
541 | (set-port-position! port 10) | |
542 | (= 10 (port-position port))) | |
543 | (begin | |
544 | (put-bytevector port overwrite) | |
545 | (bytevector-copy! overwrite 0 source 10 | |
546 | (bytevector-length overwrite)) | |
547 | (= (port-position port) | |
548 | (+ 10 (bytevector-length overwrite)))) | |
549 | (bytevector=? (get-content) source) | |
550 | (bytevector=? (get-content) (make-bytevector 0)))))) | |
551 | ||
96128014 | 552 | (pass-if "make-custom-binary-output-port" |
1ee2c72e LC |
553 | (let ((port (make-custom-binary-output-port "cbop" |
554 | (lambda (x y z) 0) | |
555 | #f #f #f))) | |
556 | (and (output-port? port) | |
557 | (binary-port? port) | |
558 | (not (port-has-port-position? port)) | |
559 | (not (port-has-set-port-position!? port))))) | |
560 | ||
561 | (pass-if "make-custom-binary-output-port [partial writes]" | |
562 | (let* ((source (uint-list->bytevector (iota 333) | |
563 | (native-endianness) 2)) | |
564 | (sink (make-bytevector (bytevector-length source))) | |
565 | (sink-pos 0) | |
566 | (eof? #f) | |
567 | (write! (lambda (bv start count) | |
568 | (if (= 0 count) | |
569 | (begin | |
570 | (set! eof? #t) | |
571 | 0) | |
572 | (let ((u8 (bytevector-u8-ref bv start))) | |
573 | ;; Get one byte at a time. | |
574 | (bytevector-u8-set! sink sink-pos u8) | |
575 | (set! sink-pos (+ 1 sink-pos)) | |
576 | 1)))) | |
577 | (port (make-custom-binary-output-port "cbop" write! | |
578 | #f #f #f))) | |
579 | (put-bytevector port source) | |
580 | (and (= sink-pos (bytevector-length source)) | |
581 | (not eof?) | |
582 | (bytevector=? sink source)))) | |
583 | ||
584 | (pass-if "make-custom-binary-output-port [full writes]" | |
585 | (let* ((source (uint-list->bytevector (iota 333) | |
586 | (native-endianness) 2)) | |
587 | (sink (make-bytevector (bytevector-length source))) | |
588 | (sink-pos 0) | |
589 | (eof? #f) | |
590 | (write! (lambda (bv start count) | |
591 | (if (= 0 count) | |
592 | (begin | |
593 | (set! eof? #t) | |
594 | 0) | |
595 | (begin | |
596 | (bytevector-copy! bv start | |
597 | sink sink-pos | |
598 | count) | |
599 | (set! sink-pos (+ sink-pos count)) | |
600 | count)))) | |
601 | (port (make-custom-binary-output-port "cbop" write! | |
602 | #f #f #f))) | |
603 | (put-bytevector port source) | |
604 | (and (= sink-pos (bytevector-length source)) | |
605 | (not eof?) | |
ead04a04 AR |
606 | (bytevector=? sink source)))) |
607 | ||
608 | (pass-if "standard-output-port is binary" | |
609 | (with-fluids ((%default-port-encoding "UTF-8")) | |
610 | (binary-port? (standard-output-port)))) | |
611 | ||
612 | (pass-if "standard-error-port is binary" | |
613 | (with-fluids ((%default-port-encoding "UTF-8")) | |
614 | (binary-port? (standard-error-port))))) | |
1ee2c72e | 615 | |
d4b81637 | 616 | \f |
1044537d | 617 | (with-test-prefix "8.2.6 Input and output ports" |
d4b81637 | 618 | |
1044537d | 619 | (pass-if "transcoded-port [output]" |
8aa47f26 | 620 | (let ((s "Hello\nÄÖÜ")) |
1044537d AR |
621 | (bytevector=? |
622 | (string->utf8 s) | |
623 | (call-with-bytevector-output-port | |
624 | (lambda (bv-port) | |
625 | (call-with-port (transcoded-port bv-port (make-transcoder (utf-8-codec))) | |
626 | (lambda (utf8-port) | |
627 | (put-string utf8-port s)))))))) | |
d4b81637 | 628 | |
1044537d | 629 | (pass-if "transcoded-port [input]" |
8aa47f26 | 630 | (let ((s "Hello\nÄÖÜ")) |
1044537d AR |
631 | (string=? |
632 | s | |
633 | (get-string-all | |
634 | (transcoded-port (open-bytevector-input-port (string->utf8 s)) | |
635 | (make-transcoder (utf-8-codec))))))) | |
d4b81637 | 636 | |
1044537d | 637 | (pass-if "transcoded-port [input line]" |
8aa47f26 | 638 | (string=? "ÄÖÜ" |
1044537d | 639 | (get-line (transcoded-port |
8aa47f26 | 640 | (open-bytevector-input-port (string->utf8 "ÄÖÜ\nFooBar")) |
d4b81637 LC |
641 | (make-transcoder (utf-8-codec)))))) |
642 | ||
643 | (pass-if "transcoded-port [error handling mode = raise]" | |
644 | (let* ((t (make-transcoder (utf-8-codec) (native-eol-style) | |
645 | (error-handling-mode raise))) | |
646 | (b (open-bytevector-input-port #vu8(255 2 1))) | |
647 | (tp (transcoded-port b t))) | |
b1e76e8f LC |
648 | (guard (c ((i/o-decoding-error? c) |
649 | (eq? (i/o-error-port c) tp))) | |
650 | (get-line tp)))) | |
d4b81637 LC |
651 | |
652 | (pass-if "transcoded-port [error handling mode = replace]" | |
653 | (let* ((t (make-transcoder (utf-8-codec) (native-eol-style) | |
654 | (error-handling-mode replace))) | |
655 | (b (open-bytevector-input-port #vu8(255 1 2 3 103 110 117))) | |
656 | (tp (transcoded-port b t))) | |
eed98cbc LC |
657 | (string-suffix? "gnu" (get-line tp)))) |
658 | ||
659 | (pass-if "transcoded-port, output [error handling mode = raise]" | |
660 | (let-values (((p get) | |
661 | (open-bytevector-output-port))) | |
662 | (let* ((t (make-transcoder (latin-1-codec) (native-eol-style) | |
663 | (error-handling-mode raise))) | |
664 | (tp (transcoded-port p t))) | |
665 | (guard (c ((i/o-encoding-error? c) | |
666 | (and (eq? (i/o-error-port c) tp) | |
667 | (char=? (i/o-encoding-error-char c) #\λ) | |
668 | (bytevector=? (get) (string->utf8 "The letter "))))) | |
669 | (put-string tp "The letter λ cannot be represented in Latin-1.") | |
ead04a04 AR |
670 | #f)))) |
671 | ||
672 | (pass-if "port-transcoder [binary port]" | |
673 | (not (port-transcoder (open-bytevector-input-port #vu8())))) | |
674 | ||
675 | (pass-if "port-transcoder [transcoded port]" | |
676 | (let* ((p (transcoded-port (open-bytevector-input-port (string->utf8 "foo")) | |
677 | (make-transcoder (utf-8-codec)))) | |
678 | (t (port-transcoder p))) | |
679 | (and t | |
680 | (transcoder-codec t) | |
681 | (eq? (native-eol-style) | |
682 | (transcoder-eol-style t)) | |
683 | (eq? (error-handling-mode replace) | |
684 | (transcoder-error-handling-mode t)))))) | |
1044537d | 685 | |
a6c377f7 AR |
686 | (with-test-prefix "8.2.9 Textual input" |
687 | ||
688 | (pass-if "get-string-n [short]" | |
689 | (let ((port (open-input-string "GNU Guile"))) | |
690 | (string=? "GNU " (get-string-n port 4)))) | |
691 | (pass-if "get-string-n [long]" | |
692 | (let ((port (open-input-string "GNU Guile"))) | |
693 | (string=? "GNU Guile" (get-string-n port 256)))) | |
694 | (pass-if "get-string-n [eof]" | |
695 | (let ((port (open-input-string ""))) | |
696 | (eof-object? (get-string-n port 4)))) | |
697 | ||
698 | (pass-if "get-string-n! [short]" | |
699 | (let ((port (open-input-string "GNU Guile")) | |
700 | (s (string-copy "Isn't XXX great?"))) | |
701 | (and (= 3 (get-string-n! port s 6 3)) | |
b6a66c21 AR |
702 | (string=? s "Isn't GNU great?")))) |
703 | ||
704 | (with-test-prefix "read error" | |
705 | (pass-if-condition "get-char" i/o-read-error? | |
706 | (get-char (make-failing-port))) | |
707 | (pass-if-condition "lookahead-char" i/o-read-error? | |
708 | (lookahead-char (make-failing-port))) | |
709 | ;; FIXME: these are not yet exception-correct | |
710 | #| | |
711 | (pass-if-condition "get-string-n" i/o-read-error? | |
712 | (get-string-n (make-failing-port) 5)) | |
713 | (pass-if-condition "get-string-n!" i/o-read-error? | |
714 | (get-string-n! (make-failing-port) (make-string 5) 0 5)) | |
715 | |# | |
716 | (pass-if-condition "get-string-all" i/o-read-error? | |
717 | (get-string-all (make-failing-port 100))) | |
718 | (pass-if-condition "get-line" i/o-read-error? | |
719 | (get-line (make-failing-port))) | |
720 | (pass-if-condition "get-datum" i/o-read-error? | |
721 | (get-datum (make-failing-port))))) | |
722 | ||
723 | (with-test-prefix "8.2.12 Textual Output" | |
724 | ||
725 | (with-test-prefix "write error" | |
726 | (pass-if-condition "put-char" i/o-write-error? | |
727 | (put-char (make-failing-port) #\G)) | |
728 | (pass-if-condition "put-string" i/o-write-error? | |
729 | (put-string (make-failing-port) "Hello World!")) | |
730 | (pass-if-condition "put-datum" i/o-write-error? | |
731 | (put-datum (make-failing-port) '(hello world!))))) | |
732 | ||
733 | (with-test-prefix "8.3 Simple I/O" | |
734 | (with-test-prefix "read error" | |
735 | (pass-if-condition "read-char" i/o-read-error? | |
736 | (read-char (make-failing-port))) | |
737 | (pass-if-condition "peek-char" i/o-read-error? | |
738 | (peek-char (make-failing-port))) | |
739 | (pass-if-condition "read" i/o-read-error? | |
740 | (read (make-failing-port)))) | |
741 | (with-test-prefix "write error" | |
742 | (pass-if-condition "display" i/o-write-error? | |
743 | (display "Hi there!" (make-failing-port))) | |
744 | (pass-if-condition "write" i/o-write-error? | |
745 | (write '(hi there!) (make-failing-port))) | |
746 | (pass-if-condition "write-char" i/o-write-error? | |
747 | (write-char #\G (make-failing-port))) | |
748 | (pass-if-condition "newline" i/o-write-error? | |
749 | (newline (make-failing-port)))) | |
750 | (let ((filename (test-file))) | |
751 | ;; ensure the test file exists | |
752 | (call-with-output-file filename | |
753 | (lambda (port) (write "foo" port))) | |
754 | (pass-if "call-with-input-file [port is textual]" | |
755 | (call-with-input-file filename textual-port?)) | |
756 | (pass-if-condition "call-with-input-file [exception: not-found]" | |
757 | i/o-file-does-not-exist-error? | |
758 | (call-with-input-file ",this-is-highly-unlikely-to-exist!" | |
759 | values)) | |
760 | (pass-if-condition "call-with-output-file [exception: already-exists]" | |
761 | i/o-file-already-exists-error? | |
762 | (call-with-output-file filename | |
763 | values)) | |
764 | (delete-file filename))) | |
a6c377f7 | 765 | |
1ee2c72e | 766 | ;;; Local Variables: |
1ee2c72e | 767 | ;;; mode: scheme |
b1e76e8f | 768 | ;;; eval: (put 'guard 'scheme-indent-function 1) |
1ee2c72e | 769 | ;;; End: |