hush_test/hush-trap/subshell.tests

# Non-empty traps should be reset in subshell

# HUP is special in interactive shells
trap '' HUP
# QUIT is always special
trap '' QUIT
# SYS is not special
trap '' SYS
# WINCH is harmless
trap 'bad: caught WINCH' WINCH
# With TERM we'll check whether it is reset
trap 'bad: caught TERM'  TERM

# using bash, because we don't have $PPID (yet)
(trap; bash -c 'kill -HUP   $PPID'; echo Ok)
(trap; bash -c 'kill -QUIT  $PPID'; echo Ok)
(trap; bash -c 'kill -SYS   $PPID'; echo Ok)
(trap; bash -c 'kill -WINCH $PPID'; echo Ok)
(trap; bash -c 'kill -TERM  $PPID'; echo Bad: TERM is not reset)
echo Done
1	# Non-empty traps should be reset in subshell
2
3	# HUP is special in interactive shells
4	trap '' HUP
5	# QUIT is always special
6	trap '' QUIT
7	# SYS is not special
8	trap '' SYS
9	# WINCH is harmless
10	trap 'bad: caught WINCH' WINCH
11	# With TERM we'll check whether it is reset
12	trap 'bad: caught TERM' TERM
13
14	# using bash, because we don't have $PPID (yet)
15	(trap; bash -c 'kill -HUP $PPID'; echo Ok)
16	(trap; bash -c 'kill -QUIT $PPID'; echo Ok)
17	(trap; bash -c 'kill -SYS $PPID'; echo Ok)
18	(trap; bash -c 'kill -WINCH $PPID'; echo Ok)
19	(trap; bash -c 'kill -TERM $PPID'; echo Bad: TERM is not reset)
20	echo Done