test-t-bad.sh

#! /bin/sh

# UCLA CS 111 Lab 1 - Test that syntax errors are caught.

# Copyright 2012-2014 Paul Eggert.

# 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/>.

tmp=$0-$$.tmp
mkdir "$tmp" || exit
(
cd "$tmp" || exit
status=

# Sanity check, to make sure it works with at least one good example.
echo x >test0.sh || exit
../profsh -t test0.sh >test0.out 2>test0.err || exit
echo '# 1
  x' >test0.exp || exit
diff -u test0.exp test0.out || exit
test ! -s test0.err || {
  cat test0.err
  exit 1
}

n=1
for bad in \
  '`' \
  '>' \
  '<' \
  'a >b <' \
  ';' \
  '; a' \
  'a ||' \
  'while a' \
  'do' \
  'done >it' \
  'if a; then b; else fi' \
  'if ; then ; else ; fi' \
  'if a; else b; then c; fi' \
  'if a; then b' \
  'if a; then b; else c; ); fi' \
  'if a; then b; ) else c; fi' \
  'if a); then b; else c; fi' \
  'if (); then b; else c; fi' \
  'if a; then b; else c; fi fi' \
  'if a; then b; else c; done' \
  'while a; do b; done ouch' \
  'until a; do b; done >' \
  'a
     | b' \
  'a
     ; b' \
  'a;;b' \
  'a|||b' \
  '|a' \
  '< a' \
  '&& a' \
  '||a' \
  '(a|b' \
  'a;b)' \
  '( (a)' \
  'a>>>b' \
  'while a; do b; done; | c' \
  'if b; then (c | d; else e); fi' \
  'a<b>c<d' \
  'until b;c;; do d; done'
do
  echo "$bad" >test$n.sh || exit
  ../profsh -t test$n.sh >test$n.out 2>test$n.err && {
    echo >&2 "test$n: unexpectedly succeeded for: $bad"
    status=1
  }
  test -s test$n.err || {
    echo >&2 "test$n: no error message for: $bad"
    status=1
  }
  n=$((n+1))
done

exit $status
) || exit

rm -fr "$tmp"