1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
;;;; reader.test --- Exercise the reader. -*- Scheme -*-
;;;;
;;;; Copyright (C) 1999, 2001, 2002, 2003, 2007, 2008 Free Software Foundation, Inc.
;;;; Jim Blandy <jimb@red-bean.com>
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 3 of the License, or (at your option) any later version.
;;;;
;;;; This library is distributed in the hope that it will be useful,
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;;; Lesser General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
(define-module (test-suite reader)
:use-module (test-suite lib))
(define exception:eof
(cons 'read-error "end of file$"))
(define exception:unexpected-rparen
(cons 'read-error "unexpected \")\"$"))
(define exception:unterminated-block-comment
(cons 'read-error "unterminated `#! ... !#' comment$"))
(define exception:unknown-character-name
(cons 'read-error "unknown character name .*$"))
(define exception:unknown-sharp-object
(cons 'read-error "Unknown # object: .*$"))
(define exception:eof-in-string
(cons 'read-error "end of file in string constant$"))
(define exception:illegal-escape
(cons 'read-error "illegal character in escape sequence: .*$"))
(define exception:missing-expression
(cons 'read-error "no expression after #;"))
(define (read-string s)
(with-input-from-string s (lambda () (read))))
(define (with-read-options opts thunk)
(let ((saved-options (read-options)))
(dynamic-wind
(lambda ()
(read-options opts))
thunk
(lambda ()
(read-options saved-options)))))
(with-test-prefix "reading"
(pass-if "0"
(equal? (read-string "0") 0))
(pass-if "1++i"
(equal? (read-string "1++i") '1++i))
(pass-if "1+i+i"
(equal? (read-string "1+i+i") '1+i+i))
(pass-if "1+e10000i"
(equal? (read-string "1+e10000i") '1+e10000i))
;; At one time the arg list for "Unknown # object: ~S" didn't make it out
;; of read.c. Check that `format' can be applied to this error.
(pass-if "error message on bad #"
(catch #t
(lambda ()
(read-string "#ZZZ")
;; oops, this # is supposed to be unrecognised
#f)
(lambda (key subr message args rest)
(apply format #f message args)
;; message and args are ok
#t)))
(pass-if "block comment"
(equal? '(+ 1 2 3)
(read-string "(+ 1 #! this is a\ncomment !# 2 3)")))
(pass-if "block comment finishing s-exp"
(equal? '(+ 2)
(read-string "(+ 2 #! a comment\n!#\n) ")))
(pass-if "unprintable symbol"
;; The reader tolerates unprintable characters for symbols.
(equal? (string->symbol "\001\002\003")
(read-string "\001\002\003")))
(pass-if "CR recognized as a token delimiter"
;; In 1.8.3, character 0x0d was not recognized as a delimiter.
(equal? (read-string "one\x0dtwo") 'one))
(pass-if "returned strings are mutable"
;; Per R5RS Section 3.4, "Storage Model", `read' is supposed to return
;; mutable objects.
(let ((str (with-input-from-string "\"hello, world\"" read)))
(string-set! str 0 #\H)
(string=? str "Hello, world"))))
(pass-if-exception "radix passed to number->string can't be zero"
exception:out-of-range
(number->string 10 0))
(pass-if-exception "radix passed to number->string can't be one either"
exception:out-of-range
(number->string 10 1))
(with-test-prefix "mismatching parentheses"
(pass-if-exception "opening parenthesis"
exception:eof
(read-string "("))
(pass-if-exception "closing parenthesis following mismatched opening"
exception:unexpected-rparen
(read-string ")"))
(pass-if-exception "opening vector parenthesis"
exception:eof
(read-string "#("))
(pass-if-exception "closing parenthesis following mismatched vector opening"
exception:unexpected-rparen
(read-string ")")))
(with-test-prefix "exceptions"
;; Reader exceptions: although they are not documented, they may be relied
;; on by some programs, hence these tests.
(pass-if-exception "unterminated block comment"
exception:unterminated-block-comment
(read-string "(+ 1 #! comment\n..."))
(pass-if-exception "unknown character name"
exception:unknown-character-name
(read-string "#\\theunknowncharacter"))
(pass-if-exception "unknown sharp object"
exception:unknown-sharp-object
(read-string "#?"))
(pass-if-exception "eof in string"
exception:eof-in-string
(read-string "\"the string that never ends"))
(pass-if-exception "illegal escape in string"
exception:illegal-escape
(read-string "\"some string \\???\"")))
(with-test-prefix "read-options"
(pass-if "case-sensitive"
(not (eq? 'guile 'GuiLe)))
(pass-if "case-insensitive"
(eq? 'guile
(with-read-options '(case-insensitive)
(lambda ()
(read-string "GuiLe")))))
(pass-if "prefix keywords"
(eq? #:keyword
(with-read-options '(keywords prefix case-insensitive)
(lambda ()
(read-string ":KeyWord")))))
(pass-if "prefix non-keywords"
(symbol? (with-read-options '(keywords prefix)
(lambda ()
(read-string "srfi88-keyword:")))))
(pass-if "postfix keywords"
(eq? #:keyword
(with-read-options '(keywords postfix)
(lambda ()
(read-string "keyword:")))))
(pass-if "long postfix keywords"
(eq? #:keyword0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
(with-read-options '(keywords postfix)
(lambda ()
(read-string "keyword0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789:")))))
(pass-if "`:' is not a postfix keyword (per SRFI-88)"
(eq? ':
(with-read-options '(keywords postfix)
(lambda ()
(read-string ":")))))
(pass-if "no positions"
(let ((sexp (with-read-options '()
(lambda ()
(read-string "(+ 1 2 3)")))))
(and (not (source-property sexp 'line))
(not (source-property sexp 'column)))))
(pass-if "positions"
(let ((sexp (with-read-options '(positions)
(lambda ()
(read-string "(+ 1 2 3)")))))
(and (equal? (source-property sexp 'line) 0)
(equal? (source-property sexp 'column) 0))))
(pass-if "positions on quote"
(let ((sexp (with-read-options '(positions)
(lambda ()
(read-string "'abcde")))))
(and (equal? (source-property sexp 'line) 0)
(equal? (source-property sexp 'column) 0)))))
(with-test-prefix "#;"
(for-each
(lambda (pair)
(pass-if (car pair)
(equal? (with-input-from-string (car pair) read) (cdr pair))))
'(("#;foo 10". 10)
("#;(10 20 30) foo" . foo)
("#; (10 20 30) foo" . foo)
("#;\n10\n20" . 20)))
(pass-if "#;foo"
(eof-object? (with-input-from-string "#;foo" read)))
(pass-if-exception "#;"
exception:missing-expression
(with-input-from-string "#;" read))
(pass-if-exception "#;("
exception:eof
(with-input-from-string "#;(" read)))
(with-test-prefix "#'"
(for-each
(lambda (pair)
(pass-if (car pair)
(equal? (with-input-from-string (car pair) read) (cdr pair))))
'(("#'foo". (syntax foo))
("#`foo" . (quasisyntax foo))
("#,foo" . (unsyntax foo))
("#,@foo" . (unsyntax-splicing foo)))))
|
