# until-p.sh: test of until loop for any POSIX-compliant shell

posix="true"

test_oE 'execution path of 0-round loop'
i=0
until [ $((i=i+1)) -gt 0 ];do echo $i;done
echo done $i
__IN__
done 1
__OUT__

test_oE 'execution path of 1-round loop'
i=0
until [ $((i=i+1)) -gt 1 ];do echo $i;done
echo done $i
__IN__
1
done 2
__OUT__

test_oE 'execution path of 2-round loop'
i=0
until [ $((i=i+1)) -gt 2 ];do echo $i;done
echo done $i
__IN__
1
2
done 3
__OUT__

(
setup <<'__END__'
\unalias \x
x() { return $1; }
__END__

test_x -e 0 'exit status of 0-round loop'
until true;do :;done
__IN__

test_x -e 1 'exit status of 1-round loop'
i=0
until [ $((i=i+1)) -gt 1 ];do x $i;done
__IN__

test_x -e 2 'exit status of 2-round loop'
i=0
until [ $((i=i+1)) -gt 2 ];do x $i;done
__IN__

)

test_oE 'linebreak after until'
i=0
until
    
    [ $((i=i+1)) -gt 2 ];do echo $i;done
__IN__
1
2
__OUT__

test_oE 'linebreak before do'
i=0
until [ $((i=i+1)) -gt 2 ]

    do echo $i;done
__IN__
1
2
__OUT__

test_oE 'linebreak after do'
i=0
until [ $((i=i+1)) -gt 2 ];do
    
    echo $i;done
__IN__
1
2
__OUT__

test_oE 'linebreak before done'
i=0
until [ $((i=i+1)) -gt 2 ];do echo $i

    done
__IN__
1
2
__OUT__

test_oE 'command ending with asynchronous command (condition)'
until echo foo&do echo not reached;break;done;wait
__IN__
foo
__OUT__

test_oE 'command ending with asynchronous command (body)'
i=0
until [ $((i=i+1)) -gt 1 ];do echo $i&done
wait
__IN__
1
__OUT__

test_oE 'more than one inner command'
i=0
until i=$((i+1)); [ $i -gt 2 ];do echo $i;echo -;done
__IN__
1
-
2
-
__OUT__

test_oE 'nest between until and do'
i=0
until { [ $((i=i+1)) -gt 1 ]; } do echo $i;done
__IN__
1
__OUT__

test_oE 'nest between do and done'
i=0
until [ $((i=i+1)) -gt 1 ]; do { echo $i;} done
__IN__
1
__OUT__

test_oE 'redirection on until loop'
i=0
until echo -;[ $((i=i+1)) -gt 1 ];do echo $i;done >redir_out
cat redir_out
__IN__
-
1
-
__OUT__