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8a12aeb919
* libguile/read.c (scm_i_scan_for_encoding): Fix for coding on first line #! and for !# immediately following the coding. * test-suite/Makefile.am: * test-suite/tests/coding.test: Add tests.
104 lines
3.4 KiB
Scheme
104 lines
3.4 KiB
Scheme
;;;; coding.test --- test suite for coding declarations. -*- mode: scheme -*-
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;;;;
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;;;; Copyright (C) 2011 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-coding)
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#:use-module (test-suite lib))
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(define (with-temp-file proc)
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(let* ((name (string-copy "/tmp/coding-test.XXXXXX"))
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(port (mkstemp! name)))
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(let ((res (with-throw-handler
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#t
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(lambda ()
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(proc name port))
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(lambda _
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(delete-file name)))))
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(delete-file name)
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res)))
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(define (scan-coding str)
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(with-temp-file
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(lambda (name port)
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(display str port)
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(close port)
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;; We don't simply seek back and rescan, because the encoding scan
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;; relies on the opportunistic filling of the input buffer, which
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;; doesn't happen after a seek.
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(let* ((port (open-input-file name))
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(res (port-encoding port)))
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(close-port port)
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res))))
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(with-test-prefix "block comments"
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(pass-if "first line"
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(equal? (scan-coding "#! coding: iso-8859-1 !#")
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"ISO-8859-1"))
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(pass-if "first line no whitespace"
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(equal? (scan-coding "#!coding:iso-8859-1!#")
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"ISO-8859-1"))
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(pass-if "second line"
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(equal? (scan-coding "#! \n coding: iso-8859-1 !#")
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"ISO-8859-1"))
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(pass-if "second line no whitespace"
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(equal? (scan-coding "#!\ncoding:iso-8859-1!#")
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"ISO-8859-1"))
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(pass-if "third line"
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(equal? (scan-coding "#! \n coding: iso-8859-1 \n !#")
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"ISO-8859-1"))
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(pass-if "third line no whitespace"
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(equal? (scan-coding "#!\ncoding:iso-8859-1\n!#")
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"ISO-8859-1")))
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(with-test-prefix "line comments"
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(pass-if "first line, no whitespace, no nl"
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(equal? (scan-coding ";coding:iso-8859-1")
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"ISO-8859-1"))
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(pass-if "first line, whitespace, no nl"
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(equal? (scan-coding "; coding: iso-8859-1 ")
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"ISO-8859-1"))
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(pass-if "first line, no whitespace, nl"
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(equal? (scan-coding ";coding:iso-8859-1\n")
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"ISO-8859-1"))
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(pass-if "first line, whitespace, nl"
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(equal? (scan-coding "; coding: iso-8859-1 \n")
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"ISO-8859-1"))
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(pass-if "second line, no whitespace, no nl"
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(equal? (scan-coding "\n;coding:iso-8859-1")
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"ISO-8859-1"))
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(pass-if "second line, whitespace, no nl"
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(equal? (scan-coding "\n; coding: iso-8859-1 ")
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"ISO-8859-1"))
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(pass-if "second line, no whitespace, nl"
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(equal? (scan-coding "\n;coding:iso-8859-1\n")
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"ISO-8859-1"))
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(pass-if "second line, whitespace, nl"
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(equal? (scan-coding "\n; coding: iso-8859-1 \n")
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"ISO-8859-1")))
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