1
Fork 0
mirror of https://git.savannah.gnu.org/git/guile.git synced 2025-04-30 11:50:28 +02:00
guile/test-suite/tests/print.test
Ludovic Courtès 5bae880e26 Improve handling of read macros in `pretty-print'.
* module/ice-9/pretty-print.scm (generic-write)[wr]: Handle read macros
  that appear in the middle of a list.

* test-suite/tests/print.test (prints?): New macro.
  ("pretty-print"): New test prefix.
2010-11-05 01:39:26 +01:00

89 lines
2.6 KiB
Scheme
Raw Permalink Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;;; -*- 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-…>")))