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;;;; -*- coding: utf-8; mode: scheme; -*-
;;;;
;;;; Copyright (C) 2010 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)))))))
(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)
(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-…>")))
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