Bash-4.2 patch 16

[thirdparty/bash.git] / tests / set-e1.sub

# subshell failure should cause the shell to exit silently
${THIS_SH} -ce '(exit 17) ; echo "after (exit 17): $?"'

# pipeline failure should cause shell to exit silently
${THIS_SH} -c 'set -e ; false | echo foo | while read x ; do ( exit 17 ) ; done; echo after pipeline subshell;'

# should be silent in posix mode
${THIS_SH} -c 'set -o posix; set -e ; z=$(false;echo posix foo) ; echo $z'
# but echo foo in non-posix
${THIS_SH} -c 'set -e ; z=$(false;echo non-posix foo) ; echo $z'

${THIS_SH} -ce 'x=$(false) ; echo "x=\$(false) does not exit"'

${THIS_SH} -ce '{ false; echo false in brace group does not exit; }'
echo after brace group failure: $?

${THIS_SH} -ce '(false ; echo A $?) && echo B $?; echo C $?'; echo D $?

${THIS_SH} -ce '(false ; echo A $?) ; echo B $?; echo C $?'; echo D $?

${THIS_SH} -ce 'f() (false ; echo A $?); f && echo B $?; echo C $?'; echo D $?

${THIS_SH} -ce 'f() (false ; echo A $?) ; f; echo B $?; echo C $?'; echo D $?

${THIS_SH} -ce 'if false; echo A $?; then echo B $?; fi'; echo C $?

${THIS_SH} -ce '! { false; echo A $?; } | cat; echo B $?'; echo C $?

${THIS_SH} -ce '{ false; echo A $?; } | cat ; echo B $?'; echo C $?

set -e

! false
echo after negation 1: $?

! false | false
echo after negation 2: $?

! true
echo after negation 3: $?

! (false)
echo after negation 4: $?

{ false ; echo foo; } | cat
echo after brace pipeline

false | echo foo | cat
echo after failure 1

false | (echo foo; false) | true
echo after failure 2

false | echo foo | while read x ; do ( exit 17 ) ; done | true
echo after failure 3

# this pipeline failure should cause the shell to exit
false | echo foo | false
echo after failure 4