dnl PSPP - a program for statistical analysis.
dnl Copyright (C) 2017 Free Software Foundation, Inc.
dnl
dnl This program is free software: you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation, either version 3 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program.  If not, see <http://www.gnu.org/licenses/>.
dnl
AT_BANNER([encoding guesser])

AT_SETUP([ASCII])
AT_KEYWORDS([encoding guesser])
AT_CHECK([echo string | encoding-guesser-test Auto,ISO-8859-1], [0], [ASCII
])
AT_CLEANUP

AT_SETUP([UTF-8])
AT_KEYWORDS([encoding guesser])
AT_CHECK([i18n-test supports_encodings ISO-8859-1])
AT_CHECK([printf '\346\227\245\346\234\254\350\252\236\n' | encoding-guesser-test Auto,ISO-8859-1], [0], [UTF-8
])
AT_CLEANUP

AT_SETUP([UTF-8 starting with ASCII])
AT_KEYWORDS([encoding guesser])
AT_CHECK([i18n-test supports_encodings ISO-8859-1])
AT_CHECK([printf 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\346\227\245\346\234\254\350\252\236\n' | encoding-guesser-test Auto,ISO-8859-1 32], [0], [UTF-8
])
AT_CLEANUP

AT_SETUP([UTF-16 with big-endian byte order mark])
AT_KEYWORDS([encoding guesser])
AT_CHECK([printf '\376\377' | encoding-guesser-test Auto,ISO-8859-1],
  [0], [UTF-16
])
AT_CLEANUP

AT_SETUP([UTF-16 with little-endian byte order mark])
AT_KEYWORDS([encoding guesser])
AT_CHECK([printf '\377\376' | encoding-guesser-test Auto,ISO-8859-1],
  [0], [UTF-16
])
AT_CLEANUP

AT_SETUP([UTF-16BE])
AT_KEYWORDS([encoding guesser])
AT_CHECK([printf '\0e\0n\0t\0r\0\351\0e\0\n' | encoding-guesser-test Auto,ISO-8859-1],
  [0], [UTF-16BE
])
AT_CLEANUP

dnl Unicode U+XX00 characters are confusing in UTF-16 because they look
dnl likely to be of the opposite endianness, so this tests for proper handling.
AT_SETUP([UTF-16BE starting with U+0100])
AT_KEYWORDS([encoding guesser])
AT_CHECK([printf '\1\0\0e\0n\0t\0r\0\351\0e\0\n' | encoding-guesser-test Auto,ISO-8859-1],
  [0], [UTF-16BE
])
AT_CLEANUP

AT_SETUP([UTF-16LE])
AT_KEYWORDS([encoding guesser])
AT_CHECK([printf 'e\0n\0t\0r\0\351\0e\0\n\0' | encoding-guesser-test Auto,ISO-8859-1],
  [0], [UTF-16LE
])
AT_CLEANUP

dnl Unicode U+XX00 characters are confusing in UTF-16 because they look
dnl likely to be of the opposite endianness, so this tests for proper handling.
AT_SETUP([UTF-16LE starting with U+0100])
AT_KEYWORDS([encoding guesser])
AT_CHECK([printf '\0\1e\0n\0t\0r\0\351\0e\0\n\0' | encoding-guesser-test Auto,ISO-8859-1],
  [0], [UTF-16LE
])
AT_CLEANUP

AT_SETUP([UTF-32 with big-endian byte order mark])
AT_KEYWORDS([encoding guesser])
AT_CHECK([printf '\0\0\376\377' | encoding-guesser-test Auto,ISO-8859-1],
  [0], [UTF-32
])
AT_CLEANUP

AT_SETUP([UTF-32 with little-endian byte order mark])
AT_KEYWORDS([encoding guesser])
AT_CHECK([printf '\377\376\0\0' | encoding-guesser-test Auto,ISO-8859-1],
  [0], [UTF-32
])
AT_CLEANUP

AT_SETUP([UTF-32BE])
AT_KEYWORDS([encoding guesser])
AT_CHECK([printf '\0\0\0e\0\0\0n\0\0\0t\0\0\0r\0\0\0\351\0\0\0e\0\0\0\n' | encoding-guesser-test Auto,ISO-8859-1],
  [0], [UTF-32BE
])
AT_CLEANUP

AT_SETUP([UTF-32LE])
AT_KEYWORDS([encoding guesser])
AT_CHECK([printf 'e\0\0\0n\0\0\0t\0\0\0r\0\0\0\351\0\0\0e\0\0\0\n\0\0\0' | encoding-guesser-test Auto,ISO-8859-1],
  [0], [UTF-32LE
])
AT_CLEANUP

AT_SETUP([ISO-8859-1])
AT_KEYWORDS([encoding guesser])
AT_CHECK([i18n-test supports_encodings ISO-8859-1])
AT_CHECK([printf 'entr\351e\n' | encoding-guesser-test Auto,ISO-8859-1],
  [0], [ISO-8859-1
])
AT_CLEANUP

AT_SETUP([GB-18030 with byte order mark])
AT_KEYWORDS([encoding guesser])
AT_CHECK([i18n-test supports_encodings ISO-8859-1])
AT_CHECK([printf '\204\061\225\063' | encoding-guesser-test Auto,ISO-8859-1],
  [0], [GB-18030
])
AT_CLEANUP

AT_SETUP([UTF-EBCDIC with byte order mark])
AT_KEYWORDS([encoding guesser])
AT_CHECK([i18n-test supports_encodings ISO-8859-1])
AT_CHECK([printf '\335\163\146\163' | encoding-guesser-test Auto,ISO-8859-1],
  [0], [UTF-EBCDIC
])
AT_CLEANUP

AT_SETUP([EUC-JP as Auto,EUC-JP])
AT_KEYWORDS([encoding guesser])
AT_CHECK([i18n-test supports_encodings EUC-JP])
AT_CHECK([printf '\244\241 \244\242 \244\243 \244\244 \244\245 \244\246 \244\247 \244\250 \244\251 \244\252\n' | encoding-guesser-test Auto,EUC-JP],
  [0], [EUC-JP
])
AT_CLEANUP

AT_SETUP([EUC-JP starting with ASCII as Auto,EUC-JP])
AT_KEYWORDS([encoding guesser])
AT_CHECK([i18n-test supports_encodings EUC-JP])
AT_CHECK([printf 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx \244\241 \244\242 \244\243 \244\244 \244\245 \244\246 \244\247 \244\250 \244\251 \244\252\n' | encoding-guesser-test Auto,EUC-JP 32],
  [0], [EUC-JP
])
AT_CLEANUP

AT_SETUP([UTF-8 with character split across input buffers])
AT_KEYWORDS([encoding guesser])
AT_CHECK([i18n-test supports_encodings ISO-8859-1])
AT_CHECK([printf '\343\201\201\343\201\202\343\201\203\343\201\204\343\201\205\343\201\206\343\201\207\343\201\210\343\201\211\343\201\212\343\201\201\343\201\202\343\201\203\343\201\204\343\201\205\343\201\206\343\201\207\343\201\210\343\201\211\343\201\212\n' | encoding-guesser-test Auto,ISO-8859-1 32],
  [0], [UTF-8
])
AT_CLEANUP

AT_SETUP([windows-1252 as Auto,UTF-8])
AT_KEYWORDS([encoding guesser])
AT_CHECK([i18n-test supports_encodings windows-1252])
AT_CHECK([printf 'entr\351e' | encoding-guesser-test Auto,UTF-8 32], [0],
  [windows-1252
])
AT_CLEANUP