tests/dbg-support2.tests

   1 #   This program is free software: you can redistribute it and/or modify
   2 #   it under the terms of the GNU General Public License as published by
   3 #   the Free Software Foundation, either version 3 of the License, or
   4 #   (at your option) any later version.
   5 #
   6 #   This program is distributed in the hope that it will be useful,
   7 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
   8 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9 #   GNU General Public License for more details.
  10 #
  11 #   You should have received a copy of the GNU General Public License
  12 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  13 #
  14 #
  15 # Test correct trap return codes = 2 means skip execution.
  16 shopt -s extdebug
  17 print_trap() {
  18    echo "lineno: $1 ($LINENO) ${FUNCNAME[1]}"
  19    if [[ $debug_exit == 2 ]] ; then
  20      debug_exit=0
  21      return 2
  22    fi
  23    return 0
  24 }
  25
  26 debug_exit=0
  27 trap 'print_trap $LINENO' DEBUG
  28
  29 x=1
  30 echo "x is $x"
  31 debug_exit=2
  32 x=2
  33 echo "x is $x"