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+;;;; -*- coding: utf-8; mode: scheme; -*-
+;;;;
+;;;; Copyright (C) 2010, 2013, 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
+
+(define-module (test-suite test-print)
+ #: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))))))
+
+
+(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\\")))))
+
+
+(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")))
+
+
+(with-test-prefix "truncated-print"
+ (define exp '(a b #(c d e) f . g))
+
+ (define (tprint x width encoding)
+ (call-with-output-string
+ (lambda (p)
+ (set-port-encoding! p encoding)
+ (truncated-print x p #:width width))))
+
+ (pass-if-equal "(a b . #)"
+ (tprint exp 10 "ISO-8859-1"))
+
+ (pass-if-equal "(a b # f . g)"
+ (tprint exp 15 "ISO-8859-1"))
+
+ (pass-if-equal "(a b #(c ...) . #)"
+ (tprint exp 18 "ISO-8859-1"))
+
+ (pass-if-equal "(a b #(c d e) f . g)"
+ (tprint exp 20 "ISO-8859-1"))
+
+ (pass-if-equal "\"The quick brown...\""
+ (tprint "The quick brown fox" 20 "ISO-8859-1"))
+
+ (pass-if-equal "\"The quick brown f…\""
+ (tprint "The quick brown fox" 20 "UTF-8"))
+
+ (pass-if-equal "#<directory (tes...>"
+ (tprint (current-module) 20 "ISO-8859-1"))
+
+ (pass-if-equal "#<directory (test-…>"
+ (tprint (current-module) 20 "UTF-8"))
+
+ ;; bitvectors
+
+ (let ((testv (bitvector #t #f #f #t #t #f #t #t)))
+ (pass-if-equal "#*10011011"
+ (tprint testv 11 "UTF-8"))
+
+ (pass-if-equal "#*10011011"
+ (tprint testv 11 "ISO-8859-1"))
+
+ (pass-if-equal "#*10011…"
+ (tprint testv 8 "UTF-8"))
+
+ (pass-if-equal "#*100..."
+ (tprint testv 8 "ISO-8859-1"))
+
+ (pass-if-equal "#*10…"
+ (tprint testv 5 "UTF-8"))
+
+ (pass-if-equal "#*..."
+ (tprint testv 5 "ISO-8859-1"))
+
+ (pass-if-equal "#*1…"
+ (tprint testv 4 "UTF-8"))
+
+ (pass-if-equal "#"
+ (tprint testv 4 "ISO-8859-1")))
+
+ ;; rank 0 arrays
+
+ (pass-if-equal "#0(#)"
+ (tprint (make-typed-array #t 9.0) 6 "UTF-8"))
+
+ (pass-if-equal "#0(9.0)"
+ (tprint (make-typed-array #t 9.0) 7 "UTF-8"))
+
+ (pass-if-equal "#0f64(#)"
+ (tprint (make-typed-array 'f64 9.0) 8 "UTF-8"))
+
+ (pass-if-equal "#0f64(9.0)"
+ (tprint (make-typed-array 'f64 9.0) 10 "UTF-8"))
+
+ (pass-if-equal "#"
+ (tprint (make-typed-array 's32 0 20 20) 7 "UTF-8"))
+
+ ;; higher dimensional arrays
+
+ (let ((testa (make-typed-array 's32 0 20 20)))
+ (pass-if-equal "#2s32(…)"
+ (tprint testa 8 "UTF-8"))
+
+ (pass-if-equal "#2s32(# …)"
+ (tprint testa 10 "UTF-8"))
+
+ (pass-if-equal "#2s32((…) …)"
+ (tprint testa 12 "UTF-8"))
+
+ (pass-if-equal "#2s32((0 …) …)"
+ (tprint testa 14 "UTF-8")))
+
+ ;; check that bounds are printed correctly
+
+ (pass-if-equal "#2@-1@0((foo foo foo foo …) …)"
+ (tprint (make-array 'foo '(-1 3) 5) 30 "UTF-8"))
+
+ (pass-if-equal "#3@-1:5@0:0@0:5(() () () # #)"
+ (tprint (make-array 'foo '(-1 3) 0 5) 30 "UTF-8"))
+
+ ;; nested objects including arrays
+
+ (pass-if-equal "#2((#(9 9) #(9 9)) (#(9 9) #(9 9)))"
+ (tprint (make-typed-array #t (make-typed-array #t 9 2) 2 2) 40 "UTF-8"))
+
+ (pass-if-equal "#(#2((9 9) (9 9)) #2((9 9) (9 9)))"
+ (tprint (make-vector 2 (make-typed-array #t 9 2 2)) 40 "UTF-8"))
+
+ (pass-if-equal "(#2((9 9) (9 9)) #2((9 9) (9 9)))"
+ (tprint (make-list 2 (make-typed-array #t 9 2 2)) 40 "UTF-8"))
+
+ (pass-if-equal "(#0(9) #0(9))"
+ (tprint (make-list 2 (make-typed-array #t 9)) 20 "UTF-8"))
+
+ (pass-if-equal "(#0(9) #)"
+ (tprint (make-list 2 (make-typed-array #t 9)) 10 "UTF-8")))