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1 # $FreeBSD: head/bin/sh/tests/builtins/trap2.0 194517 2009-06-19 22:15:59Z jilles $

2 # This is really a test for outqstr(), which is readily accessible via trap.

4 runtest()

5 {

6 teststring=$1

7 trap -- "$teststring" USR1

8 traps=$(trap)

9 if [ "$teststring" != "-" ] && [ -z "$traps" ]; then

10 # One possible reading of POSIX requires the above to return an

11 # empty string because backquote commands are executed in a

12 # subshell and subshells shall reset traps. However, an example

13 # in the normative description of the trap builtin shows the

14 # same usage as here, it is useful and our /bin/sh allows it.

15 echo '$(trap) is broken'

16 exit 1

17 fi

18 trap - USR1

19 eval "$traps"

20 traps2=$(trap)

21 if [ "$traps" != "$traps2" ]; then

22 echo "Mismatch for '$teststring'"

23 exit 1

24 fi

25 }

27 runtest 'echo'

28 runtest 'echo hi'

29 runtest "'echo' 'hi'"

30 runtest '"echo" $PATH'

31 runtest '\echo "$PATH"'

32 runtest ' 0'

33 runtest '0 '

34 runtest ' 1'

35 runtest '1 '

36 i=1

37 while [ $i -le 127 ]; do

38 c=$(printf \\"$(printf %o $i)")

39 if [ $i -lt 48 ] || [ $i -gt 57 ]; then

40 runtest "$c"

41 fi

42 runtest " $c$c"

43 runtest "a$c"

44 i=$((i+1))

45 done

46 IFS=,

47 runtest ' '

48 runtest ','

49 unset IFS

50 runtest ' '

52 exit 0