-;;;; -*- scheme -*-
+;;;; -*- coding: utf-8; mode: scheme; -*-
;;;;
-;;;; Copyright (C) 2010 Free Software Foundation, Inc.
+;;;; Copyright (C) 2010, 2014 Free Software Foundation, Inc.
;;;;
;;;; 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
#:use-module (ice-9 pretty-print)
#:use-module (test-suite lib))
+(define-syntax prints?
+ ;; #t if EXP prints as RESULT.
+ (syntax-rules ()
+ ((_ exp result)
+ (string=? result
+ (with-output-to-string
+ (lambda ()
+ (pretty-print 'exp)))))))
+
+(define (with-print-options opts thunk)
+ (let ((saved-options (print-options)))
+ (dynamic-wind
+ (lambda ()
+ (print-options opts))
+ thunk
+ (lambda ()
+ (print-options saved-options)))))
+
+(define-syntax-rule (write-with-options opts x)
+ (with-print-options opts (lambda ()
+ (with-output-to-string
+ (lambda ()
+ (write x))))))
+
+\f
+(with-test-prefix "write"
+
+ (with-test-prefix "r7rs-symbols"
+
+ (pass-if-equal "basic"
+ "|foo bar|"
+ (write-with-options '(r7rs-symbols)
+ (string->symbol "foo bar")))
+
+ (pass-if-equal "escapes"
+ "|bar \\| backslash \\x5c; alarm \\a backspace \\b tab \\t newline \\n cr \\r null \\x0; del \\x7f;|"
+ (write-with-options
+ '(r7rs-symbols)
+ (string->symbol
+ (string-append
+ "bar | backslash \\ alarm \a backspace \b tab \t newline \n cr \r null \0 del "
+ (string #\del)))))
+
+ (pass-if-equal "brackets"
+ "|()[]{}|"
+ (write-with-options '(r7rs-symbols)
+ (string->symbol "()[]{}")))
+
+ (pass-if-equal "starts with bar"
+ "|\\|foo|"
+ (write-with-options '(r7rs-symbols)
+ (string->symbol "|foo")))
+
+ (pass-if-equal "ends with bar"
+ "|foo\\||"
+ (write-with-options '(r7rs-symbols)
+ (string->symbol "foo|")))
+
+ (pass-if-equal "starts with backslash"
+ "|\\x5c;foo|"
+ (write-with-options '(r7rs-symbols)
+ (string->symbol "\\foo")))
+
+ (pass-if-equal "ends with backslash"
+ "|foo\\x5c;|"
+ (write-with-options '(r7rs-symbols)
+ (string->symbol "foo\\")))))
+
+\f
+(with-test-prefix "pretty-print"
+
+ (pass-if "pair"
+ (prints? (a . b) "(a . b)\n"))
+
+ (pass-if "list"
+ (prints? (a b c) "(a b c)\n"))
+
+ (pass-if "dotted list"
+ (prints? (a b . c) "(a b . c)\n"))
+
+ (pass-if "quote"
+ (prints? 'foo "'foo\n"))
+
+ (pass-if "non-starting quote"
+ (prints? (foo 'bar) "(foo 'bar)\n"))
+
+ (pass-if "nested quote"
+ (prints? (''foo) "(''foo)\n"))
+
+ (pass-if "quasiquote & co."
+ (prints? (define foo `(bar ,(+ 2 3)))
+ "(define foo `(bar ,(+ 2 3)))\n")))
+
+\f
(with-test-prefix "truncated-print"
(define exp '(a b #(c d e) f . g))
- (define (tprint x width)
- (with-output-to-string
- (lambda ()
- (truncated-print x #:width width))))
-
- (pass-if (equal? (tprint exp 10)
- "(a b . #)"))
-
- (pass-if (equal? (tprint exp 15)
- "(a b # f . g)"))
-
- (pass-if (equal? (tprint exp 18)
- "(a b #(c ...) . #)"))
-
- (pass-if (equal? (tprint exp 20)
- "(a b #(c d e) f . g)"))
-
- (pass-if (equal? (tprint "The quick brown fox" 20)
- "\"The quick brown...\""))
-
- (pass-if (equal? (tprint (current-module) 20)
- "#<directory (tes...>")))
+
+ (define (tprint x width encoding)
+ (with-fluids ((%default-port-encoding encoding))
+ (with-output-to-string
+ (lambda ()
+ (truncated-print x #:width width)))))
+
+ (pass-if (equal? (tprint exp 10 "ISO-8859-1")
+ "(a b . #)"))
+
+ (pass-if (equal? (tprint exp 15 "ISO-8859-1")
+ "(a b # f . g)"))
+
+ (pass-if (equal? (tprint exp 18 "ISO-8859-1")
+ "(a b #(c ...) . #)"))
+
+ (pass-if (equal? (tprint exp 20 "ISO-8859-1")
+ "(a b #(c d e) f . g)"))
+
+ (pass-if (equal? (tprint "The quick brown fox" 20 "ISO-8859-1")
+ "\"The quick brown...\""))
+
+ (pass-if (equal? (tprint "The quick brown fox" 20 "UTF-8")
+ "\"The quick brown f…\""))
+
+ (pass-if (equal? (tprint (current-module) 20 "ISO-8859-1")
+ "#<directory (tes...>"))
+
+ (pass-if (equal? (tprint (current-module) 20 "UTF-8")
+ "#<directory (test-…>")))