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# Basic m4 macros.                               -*- Autotest -*-

# Copyright (C) 2020 Free Software Foundation, Inc.

# 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/>.

AT_BANNER([[M4 Macros.]])


AT_SETUP([Generating Comments])

AT_DATA([input.y],
[%%
exp:
])

AT_DATA([input.m4],
[[m4@&t@_include(b4_skeletonsdir/[c.m4])

b4_output_begin([output.txt])

b4_gsub([[abcd]],
  [a], [b])
b4_gsub([[abcd]],
  [a], [b],
  [b], [c],
  [c], [d])

_b4_comment([["/* () */"]])
_b4_comment([["/* (  */"]])
_b4_comment([["/*  ) */"]])
_b4_comment([["/* [] */"]])

b4_comment([["/* () */"]])
b4_comment([["/* (  */"]])
b4_comment([["/*  ) */"]])
b4_comment([["/* [] */"]])

b4_output_end([output.txt])
]])

AT_BISON_CHECK([-S ./input.m4 input.y])

AT_CHECK([cat output.txt], [],
[[
[bbcd]
[dddd]

"/\* () *\/"
"/\* (  *\/"
"/\*  ) *\/"
"/\* [] *\/"

/* "/\* () *\/"  */
/* "/\* (  *\/"  */
/* "/\*  ) *\/"  */
/* "/\* [] *\/"  */

]])

AT_CLEANUP