hush: fix segfault in ${?:N:M}

[oweals/busybox.git] / shell / hush_test / hush-vars / param_expand_bash_substring.tests

diff --git a/shell/hush_test/hush-vars/param_expand_bash_substring.tests b/shell/hush_test/hush-vars/param_expand_bash_substring.tests
index eedd435ed53974eaed38290ddaaf3a9acece7bcf..5c9552dbabc13e01939142bfaf9159ca87bf9878 100755 (executable)
--- a/shell/hush_test/hush-vars/param_expand_bash_substring.tests
+++ b/shell/hush_test/hush-vars/param_expand_bash_substring.tests
@@ -1,8 +1,6 @@
+# first try some invalid patterns
 # do all of these in subshells since it's supposed to error out
-
 export var=0123456789
-
-# first try some invalid patterns
 "$THIS_SH" -c 'echo ${:}'
 "$THIS_SH" -c 'echo ${::}'
 "$THIS_SH" -c 'echo ${:1}'
@@ -15,44 +13,71 @@ export var=0123456789
 # UNFIXED BUG: this should work: "$THIS_SH" -c 'echo ${?:0}'
 
 # now some valid ones
-"$THIS_SH" -c 'set --; echo "1    =|${1}|"'
-"$THIS_SH" -c 'set --; echo "1:1  =|${1:1}|"'
-"$THIS_SH" -c 'set --; echo "1:1:2=|${1:1:2}|"'
-"$THIS_SH" -c 'set --; echo "1::2 =|${1::2}|"'
-"$THIS_SH" -c 'set --; echo "1:1: =|${1:1:}|"'
-"$THIS_SH" -c 'set --; echo "1::  =|${1::}|"'
-
-"$THIS_SH" -c 'set -- 0123; echo "1    =|${1}|"'
-"$THIS_SH" -c 'set -- 0123; echo "1:1  =|${1:1}|"'
-"$THIS_SH" -c 'set -- 0123; echo "1:1:2=|${1:1:2}|"'
-"$THIS_SH" -c 'set -- 0123; echo "1::2 =|${1::2}|"'
-"$THIS_SH" -c 'set -- 0123; echo "1:1: =|${1:1:}|"'
-"$THIS_SH" -c 'set -- 0123; echo "1::  =|${1::}|"'
-
-"$THIS_SH" -c 'unset f; echo "f    =|$f|"'
-"$THIS_SH" -c 'unset f; echo "f:1  =|${f:1}|"'
-"$THIS_SH" -c 'unset f; echo "f:1:2=|${f:1:2}|"'
-"$THIS_SH" -c 'unset f; echo "f::2 =|${f::2}|"'
-"$THIS_SH" -c 'unset f; echo "f:1: =|${f:1:}|"'
-"$THIS_SH" -c 'unset f; echo "f::  =|${f::}|"'
-
-"$THIS_SH" -c 'f=; echo "f    =|$f|"'
-"$THIS_SH" -c 'f=; echo "f:1  =|${f:1}|"'
-"$THIS_SH" -c 'f=; echo "f:1:2=|${f:1:2}|"'
-"$THIS_SH" -c 'f=; echo "f::2 =|${f::2}|"'
-"$THIS_SH" -c 'f=; echo "f:1: =|${f:1:}|"'
-"$THIS_SH" -c 'f=; echo "f::  =|${f::}|"'
-
-"$THIS_SH" -c 'f=a; echo "f    =|$f|"'
-"$THIS_SH" -c 'f=a; echo "f:1  =|${f:1}|"'
-"$THIS_SH" -c 'f=a; echo "f:1:2=|${f:1:2}|"'
-"$THIS_SH" -c 'f=a; echo "f::2 =|${f::2}|"'
-"$THIS_SH" -c 'f=a; echo "f:1: =|${f:1:}|"'
-"$THIS_SH" -c 'f=a; echo "f::  =|${f::}|"'
-
-"$THIS_SH" -c 'f=0123456789; echo "f    =|$f|"'
-"$THIS_SH" -c 'f=0123456789; echo "f:1  =|${f:1}|"'
-"$THIS_SH" -c 'f=0123456789; echo "f:1:2=|${f:1:2}|"'
-"$THIS_SH" -c 'f=0123456789; echo "f::2 =|${f::2}|"'
-"$THIS_SH" -c 'f=0123456789; echo "f:1: =|${f:1:}|"'
-"$THIS_SH" -c 'f=0123456789; echo "f::  =|${f::}|"'
+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