#!/bin/sh

# Test suite for update-copyright.

# Copyright (C) 2009-2017 Free Software Foundation, Inc.

# This file is part of the GNUlib Library.

#

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 3 of the License, or

# (at your option) any later version.

#

# This program 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 General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

diffout=`diff -u /dev/null /dev/null 2>&1`

if test x"$diffout" = x"" && test $? -eq 0; then

  compare() { diff -u "$@"; }

else

  compare() { cmp "$@"; }

fi

# Ensure the update-copyright program gets found.

PATH=$abs_aux_dir:$PATH

export PATH

TMP_BASE=update-copyright.test

trap 'rm -f $TMP_BASE*' 0 1 2 3 15

## --------------------------------- ##

## Skip if user does not have perl.  ##

## --------------------------------- ##

TMP=$TMP_BASE

s=$TMP-script

cat <<\EOF > $s

eval '(exit $?0)' && eval 'exec perl -wS -0777 -pi "$0" "$@"'

  & eval 'exec perl -wS -0777 -pi "$0" $argv:q'

    if 0;

s/a/b/

EOF

chmod a+x $s

echo a > $TMP-in

./$s $TMP-in 2>/dev/null && test b = "`cat $TMP-in 2>/dev/null`" ||

  {

    printf '%s\n' "$0: skipping this test;" \

      'your system has insufficient support for Perl' 1>&2

    exit 77

  }

# Skip this test if Perl is too old.  FIXME: 5.8.0 is just a guess.

# We have a report that 5.6.1 is inadequate and that 5.8.0 works.

perl -e 'require 5.8.0' || {

  echo '$0: skipping this test; Perl version is too old' 1>&2

  exit 77

}

# Do not let a different envvar setting perturb results.

UPDATE_COPYRIGHT_MAX_LINE_LENGTH=72

export UPDATE_COPYRIGHT_MAX_LINE_LENGTH

## ----------------------------- ##

## Examples from documentation.  ##

## ----------------------------- ##

TMP=$TMP_BASE-ex

cat > $TMP.1 <

Copyright @copyright{} 1990-2005, 2007-2009 Free Software

Foundation, Inc.

EOF

cat > $TMP.2 <

# Copyright (C) 1990-2005, 2007-2009 Free Software

# Foundation, Inc.

EOF

cat > $TMP.3 <

/*

 * Copyright © 90,2005,2007-2009

 * Free Software Foundation, Inc.

 */

EOF

cat > $TMP.4 <

## Copyright (C) 1990-2005, 2007-2009 Free Software

#  Foundation, Inc.

EOF

cat > $TMP.5 <

Copyright (C) 1990-2005, 2007-2009 Acme, Inc.

EOF

cat > $TMP.6 <

## Copyright (C) 1990-2005, 2007-2009 Free Software

#  Foundation, Inc.

Copyright (C) 1990-2005, 2007-2009 Free Software Foundation,

Inc.

EOF

cat > $TMP.7 <

Copyright (C) 1990-2005, 2007-2009 Acme, Inc.

# Copyright (C) 1990-2005, 2007-2009 Free Software

# Foundation, Inc.

EOF

UPDATE_COPYRIGHT_YEAR=2009 \

  update-copyright $TMP.? 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare - $TMP-stderr <

$TMP.4: warning: copyright statement not found

$TMP.5: warning: copyright statement not found

EOF

compare - $TMP.1 <

Copyright @copyright{} 1990-2005, 2007-2009 Free Software

Foundation, Inc.

EOF

compare - $TMP.2 <

# Copyright (C) 1990-2005, 2007-2009 Free Software

# Foundation, Inc.

EOF

compare - $TMP.3 <

/*

 * Copyright © 90,2005,2007-2009

 * Free Software Foundation, Inc.

 */

EOF

compare - $TMP.4 <

## Copyright (C) 1990-2005, 2007-2009 Free Software

#  Foundation, Inc.

EOF

compare - $TMP.5 <

Copyright (C) 1990-2005, 2007-2009 Acme, Inc.

EOF

compare - $TMP.6 <

## Copyright (C) 1990-2005, 2007-2009 Free Software

#  Foundation, Inc.

Copyright (C) 1990-2005, 2007-2009 Free Software Foundation,

Inc.

EOF

compare - $TMP.7 <

Copyright (C) 1990-2005, 2007-2009 Acme, Inc.

# Copyright (C) 1990-2005, 2007-2009 Free Software

# Foundation, Inc.

EOF

UPDATE_COPYRIGHT_YEAR=2010 UPDATE_COPYRIGHT_USE_INTERVALS=1 \

  update-copyright $TMP.? 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare - $TMP-stderr <

$TMP.4: warning: copyright statement not found

$TMP.5: warning: copyright statement not found

EOF

compare - $TMP.1 <

Copyright @copyright{} 1990-2005, 2007-2010 Free Software Foundation,

Inc.

EOF

compare - $TMP.2 <

# Copyright (C) 1990-2005, 2007-2010 Free Software Foundation, Inc.

EOF

compare - $TMP.3 <

/*

 * Copyright © 1990, 2005, 2007-2010 Free Software Foundation, Inc.

 */

EOF

compare - $TMP.4 <

## Copyright (C) 1990-2005, 2007-2009 Free Software

#  Foundation, Inc.

EOF

compare - $TMP.5 <

Copyright (C) 1990-2005, 2007-2009 Acme, Inc.

EOF

compare - $TMP.6 <

## Copyright (C) 1990-2005, 2007-2009 Free Software

#  Foundation, Inc.

Copyright (C) 1990-2005, 2007-2010 Free Software Foundation, Inc.

EOF

compare - $TMP.7 <

Copyright (C) 1990-2005, 2007-2009 Acme, Inc.

# Copyright (C) 1990-2005, 2007-2010 Free Software Foundation, Inc.

EOF

UPDATE_COPYRIGHT_YEAR=2010 UPDATE_COPYRIGHT_FORCE=1 \

  update-copyright $TMP.? 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare - $TMP-stderr <

$TMP.4: warning: copyright statement not found

$TMP.5: warning: copyright statement not found

EOF

compare - $TMP.1 <

Copyright @copyright{} 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,

1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010

Free Software Foundation, Inc.

EOF

compare - $TMP.2 <

# Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,

# 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010 Free

# Software Foundation, Inc.

EOF

compare - $TMP.3 <

/*

 * Copyright © 1990, 2005, 2007, 2008, 2009, 2010 Free Software

 * Foundation, Inc.

 */

EOF

compare - $TMP.4 <

## Copyright (C) 1990-2005, 2007-2009 Free Software

#  Foundation, Inc.

EOF

compare - $TMP.5 <

Copyright (C) 1990-2005, 2007-2009 Acme, Inc.

EOF

compare - $TMP.6 <

## Copyright (C) 1990-2005, 2007-2009 Free Software

#  Foundation, Inc.

Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,

1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010 Free

Software Foundation, Inc.

EOF

compare - $TMP.7 <

Copyright (C) 1990-2005, 2007-2009 Acme, Inc.

# Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,

# 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010 Free

# Software Foundation, Inc.

EOF

rm $TMP*

## -------------- ##

## Current year.  ##

## -------------- ##

TMP=$TMP_BASE-current-year

YEAR=`date +%Y`

cat > $TMP <

'\" Copyright (C) 2006

'\" Free Software Foundation,

'\" Inc.

EOF

update-copyright $TMP 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare /dev/null $TMP-stderr || exit 1

compare - $TMP <

'\" Copyright (C) 2006, $YEAR Free Software Foundation, Inc.

EOF

UPDATE_COPYRIGHT_USE_INTERVALS=1 \

  update-copyright $TMP 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare /dev/null $TMP-stderr || exit 1

compare - $TMP <

'\" Copyright (C) 2006, $YEAR Free Software Foundation, Inc.

EOF

rm $TMP*

## ------------------ ##

## Surrounding text.  ##

## ------------------ ##

TMP=$TMP_BASE-surrounding-text

cat > $TMP <

    Undisturbed text.

dnl Undisturbed text.

dnl Copyright (C) 89

dnl Free Software Foundation, Inc.

dnl   Undisturbed text.

EOF

UPDATE_COPYRIGHT_YEAR=2010 \

  update-copyright $TMP 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare /dev/null $TMP-stderr || exit 1

compare - $TMP <

    Undisturbed text.

dnl Undisturbed text.

dnl Copyright (C) 1989, 2010 Free Software Foundation, Inc.

dnl   Undisturbed text.

EOF

rm $TMP*

## --------------- ##

## Widest prefix.  ##

## --------------- ##

TMP=$TMP_BASE-widest-prefix

cat > $TMP <

#### Copyright (C) 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985,

#### 1986, 1987, 1988, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,

#### 2008 Free Software Foundation, Inc.

EOF

UPDATE_COPYRIGHT_YEAR=2010 \

  update-copyright $TMP 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare /dev/null $TMP-stderr || exit 1

compare - $TMP <

#### Copyright (C) 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984,

#### 1985, 1986, 1987, 1988, 1999, 2000, 2001, 2002, 2003, 2004, 2005,

#### 2006, 2007, 2008, 2010 Free Software Foundation, Inc.

EOF

UPDATE_COPYRIGHT_YEAR=2011 UPDATE_COPYRIGHT_USE_INTERVALS=1 \

  update-copyright $TMP 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare /dev/null $TMP-stderr || exit 1

compare - $TMP <

#### Copyright (C) 1976-1988, 1999-2008, 2010-2011 Free Software

#### Foundation, Inc.

EOF

rm $TMP*

## ------------------- ##

## Prefix too large.  ##

## ------------------- ##

TMP=$TMP_BASE-prefix-too-large

cat > $TMP <

####  Copyright (C) 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985,

####  1986, 1987, 1988, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,

####  2008 Free Software Foundation, Inc.

EOF

UPDATE_COPYRIGHT_YEAR=2010 \

  update-copyright $TMP 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare - $TMP-stderr <

$TMP: warning: copyright statement not found

EOF

compare - $TMP <

####  Copyright (C) 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985,

####  1986, 1987, 1988, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,

####  2008 Free Software Foundation, Inc.

EOF

rm $TMP*

## ------------- ##

## Blank lines.  ##

## ------------- ##

TMP=$TMP_BASE-blank-lines

cat > $TMP <

#Copyright (C) 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985,

#

#1986, 1987, 1988, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,

#2008 Free Software Foundation, Inc.

Copyright (C) 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985,

1986, 1987, 1988, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,

2008 Free Software Foundation, Inc.

EOF

UPDATE_COPYRIGHT_YEAR=2010 \

  update-copyright $TMP 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare - $TMP-stderr <

$TMP: warning: copyright statement not found

EOF

compare - $TMP <

#Copyright (C) 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985,

#

#1986, 1987, 1988, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,

#2008 Free Software Foundation, Inc.

Copyright (C) 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985,

1986, 1987, 1988, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,

2008 Free Software Foundation, Inc.

EOF

rm $TMP*

## -------------- ##

## Leading tabs.  ##

## -------------- ##

TMP=$TMP_BASE-leading-tabs

cat > $TMP <

	Copyright (C) 87, 88, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 98,

	 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free

	Software Foundation, Inc.

EOF

UPDATE_COPYRIGHT_YEAR=2010 \

  update-copyright $TMP 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare /dev/null $TMP-stderr || exit 1

compare - $TMP <

	Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996,

	1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,

	2007, 2008, 2009, 2010 Free Software Foundation, Inc.

EOF

UPDATE_COPYRIGHT_YEAR=2011 UPDATE_COPYRIGHT_USE_INTERVALS=1 \

  update-copyright $TMP 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare /dev/null $TMP-stderr || exit 1

compare - $TMP <

	Copyright (C) 1987-1988, 1991-2011 Free Software Foundation,

	Inc.

EOF

rm $TMP*

## -------------------- ##

## Unusual whitespace.  ##

## -------------------- ##

TMP=$TMP_BASE-unusual-ws

cat > $TMP <

		# Copyright (C) 87-88, 1991, 1992, 1993, 1994, 1995, 1996, 1997,

		# 98, 1999, 2000, 2001, 2002, 2003,     	?	  2004, 2005, 2006, 2007, 2008,

		# 2009 Free Software Foundation, Inc.

EOF

UPDATE_COPYRIGHT_YEAR=2010 \

  update-copyright $TMP 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare /dev/null $TMP-stderr || exit 1

compare - $TMP <

		# Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994,

		# 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,

		# 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software

		# Foundation, Inc.

EOF

UPDATE_COPYRIGHT_YEAR=2011 UPDATE_COPYRIGHT_USE_INTERVALS=1 \

  update-copyright $TMP 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare /dev/null $TMP-stderr || exit 1

compare - $TMP <

		# Copyright (C) 1987-1988, 1991-2011 Free Software

		# Foundation, Inc.

EOF

UPDATE_COPYRIGHT_YEAR=2011 UPDATE_COPYRIGHT_USE_INTERVALS=2 \

  UPDATE_COPYRIGHT_FORCE=1 update-copyright $TMP 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare /dev/null $TMP-stderr || exit 1

compare - $TMP <

		# Copyright (C) 1987-2011 Free Software Foundation, Inc.

EOF

rm $TMP*

## --------- ##

## DOS EOL.  ##

## --------- ##

TMP=$TMP_BASE-dos-eol

tr @ '\015' > $TMP <<\EOF

Rem Copyright (C) 87, 88, 1991, 1992, 1993, 1994, 1995, 1996, 1997,@

Rem 98, 1999, 2000, 2001, 2002, 2003,  2004, 2005, 2006, 2007, 2008,@

Rem 2009 Free Software Foundation, Inc.@

EOF

UPDATE_COPYRIGHT_YEAR=2010 \

  update-copyright $TMP 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare /dev/null $TMP-stderr || exit 1

tr @ '\015' > $TMP-exp <<\EOF

Rem Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996, 1997,@

Rem 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,@

Rem 2009, 2010 Free Software Foundation, Inc.@

EOF

compare $TMP-exp $TMP || exit 1

rm $TMP*

## --------------- ##

## Omitted "(C)".  ##

## --------------- ##

TMP=$TMP_BASE-omitted-circle-c

cat > $TMP <

  Copyright 87, 88, 1991, 1992, 1993, 1994, 1995, 1996, 1997,

  98, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,

  2009 Free Software Foundation, Inc.

EOF

UPDATE_COPYRIGHT_YEAR=2010 \

  update-copyright $TMP 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare /dev/null $TMP-stderr || exit 1

compare - $TMP <

  Copyright 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,

  1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

  Free Software Foundation, Inc.

EOF

rm $TMP*

## ------------------ ##

## C-style comments.  ##

## ------------------ ##

TMP=$TMP_BASE-c-style-comments

cat > $TMP.star <

/*  Copyright 87, 88, 1991, 1992, 1993, 1994, 1995, 1996, 1997,

 *  98, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,

 *  2009 Free Software Foundation, Inc.  */

EOF

cat > $TMP.space <

  /*Copyright 87, 88, 1991, 1992, 1993, 1994, 1995, 1996, 1997,

    98, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,

    2009 Free Software Foundation, Inc.  */

EOF

cat > $TMP.single-line <

/*   Copyright 87, 1991, 1992 Free Software Foundation, Inc.  */

EOF

cat > $TMP.single-line-wrapped <

 /* Copyright 1988, 1991, 1992, 1993 Free Software Foundation, Inc.  */

EOF

cat > $TMP.extra-text-star <

 /* Copyright 1987, 1988, 1991, 1992 Free Software Foundation, Inc.  End

  * More comments.  */

EOF

cat > $TMP.extra-text-space <

 /* Copyright 1987, 1988, 1991, 1992 Free Software Foundation, Inc. ***

    * End of comments. */

EOF

cat > $TMP.two-digit-final-is-substr-of-first <

 /* Copyright 1991, 99 Free Software Foundation, Inc. */

EOF

UPDATE_COPYRIGHT_YEAR=2010 \

  update-copyright $TMP.* 1> $TMP-stdout 2> $TMP-stderr

compare /dev/null $TMP-stdout || exit 1

compare /dev/null $TMP-stderr || exit 1

compare - $TMP.star <

/*  Copyright 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996, 1997,

 *  1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,

 *  2009, 2010 Free Software Foundation, Inc.  */

EOF

compare - $TMP.space <

  /*Copyright 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996, 1997,

    1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,

    2009, 2010 Free Software Foundation, Inc.  */

EOF

compare - $TMP.single-line <

/*   Copyright 1987, 1991, 1992, 2010 Free Software Foundation, Inc.  */

EOF

compare - $TMP.single-line-wrapped <

 /* Copyright 1988, 1991, 1992, 1993, 2010 Free Software Foundation,

  * Inc.  */

EOF

compare - $TMP.extra-text-star <

 /* Copyright 1987, 1988, 1991, 1992, 2010 Free Software Foundation,

  * Inc.  End

  * More comments.  */

EOF

compare - $TMP.extra-text-space <

 /* Copyright 1987, 1988, 1991, 1992, 2010 Free Software Foundation,

    Inc. ***

    * End of comments. */

EOF

compare - $TMP.two-digit-final-is-substr-of-first <

 /* Copyright 1991, 1999, 2010 Free Software Foundation, Inc. */

EOF

rm $TMP*

exit 0