hush_test/hush-trap/usage.tests

# no output -- default state
echo ___
trap

# assign some traps
echo ___
trap "a" EXIT INT USR1 USR2

# show them all
echo ___
trap

# clear one
echo ___
trap 0 INT
echo ___
trap

# clear another
echo ___
trap "-" USR1
echo ___
trap
1	niro	984	# no output -- default state
2			echo ___
3			trap
4
5			# assign some traps
6			echo ___
7			trap "a" EXIT INT USR1 USR2
8
9			# show them all
10			echo ___
11			trap
12
13			# clear one
14			echo ___
15			trap 0 INT
16			echo ___
17			trap
18
19			# clear another
20			echo ___
21			trap "-" USR1
22			echo ___
23			trap