diff options
Diffstat (limited to 'shell/ash_test/ash-vars/param_expand_bash_substring.tests')
-rwxr-xr-x | shell/ash_test/ash-vars/param_expand_bash_substring.tests | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/shell/ash_test/ash-vars/param_expand_bash_substring.tests b/shell/ash_test/ash-vars/param_expand_bash_substring.tests new file mode 100755 index 000000000..cce9f123e --- /dev/null +++ b/shell/ash_test/ash-vars/param_expand_bash_substring.tests @@ -0,0 +1,84 @@ +# first try some invalid patterns +# do all of these in subshells since it's supposed to error out +# (set argv0 to "SHELL" to avoid "/path/to/shell: blah" in error messages) +export var=0123456789 +"$THIS_SH" -c 'echo ${:}' SHELL +"$THIS_SH" -c 'echo ${::}' SHELL +"$THIS_SH" -c 'echo ${:1}' SHELL +"$THIS_SH" -c 'echo ${::1}' SHELL + +#this also is not valid in bash, hush accepts it: +"$THIS_SH" -c 'echo ${var:}' SHELL + +# then some funky ones +# UNFIXED BUG: this should work: "$THIS_SH" -c 'echo ${?:0}' + +# now some valid ones +set --; echo "1 =|${1}|" +set --; echo "1:1 =|${1:1}|" +set --; echo "1:1:2=|${1:1:2}|" +set --; echo "1::2 =|${1::2}|" +set --; echo "1:1: =|${1:1:}|" +set --; echo "1:: =|${1::}|" + +set -- 0123; echo "1 =|${1}|" +set -- 0123; echo "1:1 =|${1:1}|" +set -- 0123; echo "1:1:2=|${1:1:2}|" +set -- 0123; echo "1::2 =|${1::2}|" +set -- 0123; echo "1:1: =|${1:1:}|" +set -- 0123; echo "1:: =|${1::}|" + +unset f; echo "f =|$f|" +unset f; echo "f:1 =|${f:1}|" +unset f; echo "f:1:2=|${f:1:2}|" +unset f; echo "f::2 =|${f::2}|" +unset f; echo "f:1: =|${f:1:}|" +unset f; echo "f:: =|${f::}|" + +f=; echo "f =|$f|" +f=; echo "f:1 =|${f:1}|" +f=; echo "f:1:2=|${f:1:2}|" +f=; echo "f::2 =|${f::2}|" +f=; echo "f:1: =|${f:1:}|" +f=; echo "f:: =|${f::}|" + +f=a; echo "f =|$f|" +f=a; echo "f:1 =|${f:1}|" +f=a; echo "f:1:2=|${f:1:2}|" +f=a; echo "f::2 =|${f::2}|" +f=a; echo "f:1: =|${f:1:}|" +f=a; echo "f:: =|${f::}|" + +f=0123456789; echo "f =|$f|" +f=0123456789; echo "f:1 =|${f:1}|" +f=0123456789; echo "f:1:2=|${f:1:2}|" +f=0123456789; echo "f::2 =|${f::2}|" +f=0123456789; echo "f:1: =|${f:1:}|" +f=0123456789; echo "f:: =|${f::}|" + +echo "Substrings from special vars" +echo '? '"=|$?|" +echo '?:1 '"=|${?:1}|" +echo '?:1:2'"=|${?:1:2}|" +echo '?::2 '"=|${?::2}|" +echo '?:1: '"=|${?:1:}|" +echo '?:: '"=|${?::}|" +set -- 1 2 3 4 5 6 7 8 9 10 11 +echo '# '"=|$#|" +echo '#:1 '"=|${#:1}|" +echo '#:1:2'"=|${#:1:2}|" +echo '#::2 '"=|${#::2}|" +echo '#:1: '"=|${#:1:}|" +echo '#:: '"=|${#::}|" + +echo "Substrings with expressions" +f=01234567; echo 'f '"=|$f|" +f=01234567; echo 'f:1+1:2+2 '"=|${f:1+1:2+2}|" +f=01234567; echo 'f:-1:2+2 '"=|${f:-1:2+2}|" +f=01234567; echo 'f:1:f '"=|${f:1:f}|" +f=01234567; echo 'f:1:$f '"=|${f:1:$f}|" +f=01234567; echo 'f:1:${f} '"=|${f:1:${f}}|" +f=01234567; echo 'f:1:${f:3:1} '"=|${f:1:${f:3:1}}|" +f=01234567; echo 'f:1:1`echo 1`'"=|${f:1:`echo 1`}|" + +echo Done |