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5bae880e26
* 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.
89 lines
2.6 KiB
Scheme
89 lines
2.6 KiB
Scheme
;;;; -*- coding: utf-8; mode: scheme; -*-
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;;;;
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;;;; Copyright (C) 2010 Free Software Foundation, Inc.
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;;;;
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;;;; This library is free software; you can redistribute it and/or
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;;;; modify it under the terms of the GNU Lesser General Public
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;;;; License as published by the Free Software Foundation; either
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;;;; version 3 of the License, or (at your option) any later version.
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;;;;
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;;;; This library is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;;; Lesser General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU Lesser General Public
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;;;; License along with this library; if not, write to the Free Software
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;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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(define-module (test-suite test-print)
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#:use-module (ice-9 pretty-print)
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#:use-module (test-suite lib))
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(define-syntax prints?
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;; #t if EXP prints as RESULT.
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(syntax-rules ()
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((_ exp result)
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(string=? result
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(with-output-to-string
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(lambda ()
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(pretty-print 'exp)))))))
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(with-test-prefix "pretty-print"
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(pass-if "pair"
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(prints? (a . b) "(a . b)\n"))
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(pass-if "list"
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(prints? (a b c) "(a b c)\n"))
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(pass-if "dotted list"
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(prints? (a b . c) "(a b . c)\n"))
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(pass-if "quote"
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(prints? 'foo "'foo\n"))
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(pass-if "non-starting quote"
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(prints? (foo 'bar) "(foo 'bar)\n"))
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(pass-if "nested quote"
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(prints? (''foo) "(''foo)\n"))
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(pass-if "quasiquote & co."
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(prints? (define foo `(bar ,(+ 2 3)))
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"(define foo `(bar ,(+ 2 3)))\n")))
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(with-test-prefix "truncated-print"
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(define exp '(a b #(c d e) f . g))
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(define (tprint x width encoding)
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(with-fluids ((%default-port-encoding encoding))
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(with-output-to-string
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(lambda ()
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(truncated-print x #:width width)))))
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(pass-if (equal? (tprint exp 10 "ISO-8859-1")
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"(a b . #)"))
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(pass-if (equal? (tprint exp 15 "ISO-8859-1")
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"(a b # f . g)"))
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(pass-if (equal? (tprint exp 18 "ISO-8859-1")
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"(a b #(c ...) . #)"))
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(pass-if (equal? (tprint exp 20 "ISO-8859-1")
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"(a b #(c d e) f . g)"))
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(pass-if (equal? (tprint "The quick brown fox" 20 "ISO-8859-1")
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"\"The quick brown...\""))
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(pass-if (equal? (tprint "The quick brown fox" 20 "UTF-8")
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"\"The quick brown f…\""))
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(pass-if (equal? (tprint (current-module) 20 "ISO-8859-1")
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"#<directory (tes...>"))
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(pass-if (equal? (tprint (current-module) 20 "UTF-8")
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"#<directory (test-…>")))
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