tests/posix2syntax.sub

#   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/>.
#
: ${THIS_SH:=./bash}
bashname=bash${BASH_VERSION%%.*}

# tests for Posix grammar special cases

# Posix grammar rule 5
${THIS_SH} -c 'for invalid-name in a b c; do echo error; done' $bashname

# Posix grammar rule 6: third word in FOR or SELECT
for i; do echo; done; echo in
for i; do echo in; done
for i do echo in; done

select i; do echo; done; echo in
select i; do echo in; done; echo in
select i do echo in; done; echo in

# Posix grammar rule 4: when PATTERN == ESAC, return ESAC
${THIS_SH} -c 'case x in esac) echo done; esac' $bashname

# Posix grammar rule 6: third word in CASE
${THIS_SH} -c 'case in in in) echo in; esac;' $bashname
${THIS_SH} -c 'case in do do) echo in; esac' $bashname

# Posix grammar rule 8: function NAME
${THIS_SH} -o posix -c 'for()
{
echo function for;
}' $bashname

for for in for; do echo in; echo done; done

${THIS_SH} -c 'for (( i = 0; i < 5; i++ )) do : ; done' $bashname
${THIS_SH} -c 'for (( i = 0; i < 5; i++ )) { : ; }' $bashname

# bug report: IN turning on unwanted alias expansion
${THIS_SH} -o posix -c '
alias foo='two words'
foo_word='foo'
case "$foo_word"
in
	foo) echo "bad 1";;
esac' $bashname

${THIS_SH} -o posix -c '
alias foo='oneword'
foo_word='foo'
case "$foo_word"
in
	foo) echo "ok 1";;
esac' $bashname