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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:38:56 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:38:56 +0000 |
commit | 6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321 (patch) | |
tree | f63ce19d57fad3ac4a15bc26dbfbfa2b834111b5 /tests/cond-regexp3.sub | |
parent | Initial commit. (diff) | |
download | bash-6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321.tar.xz bash-6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321.zip |
Adding upstream version 5.2.15.upstream/5.2.15upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | tests/cond-regexp3.sub | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/tests/cond-regexp3.sub b/tests/cond-regexp3.sub new file mode 100644 index 0000000..d939548 --- /dev/null +++ b/tests/cond-regexp3.sub @@ -0,0 +1,86 @@ +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# +# simple expansion -- no problem, it's quote_string_for_globbing that was flawed +c=$'\177' +r="\\$c" + +recho $r + +# first, match some regular expressions containing ^A, ^G, ^? +[[ $'\001' =~ $'\001' ]] ; echo $? +[[ $'\001' =~ $'\\\001' ]] ; echo $? +[[ $'\001' =~ $'\\[\001]' ]] ; echo $? + +[[ $'\a' =~ $'\a' ]] ; echo $? +[[ $'\a' =~ $'\\\a' ]] ; echo $? +[[ $'\a' =~ $'\\[\a]' ]] ; echo $? + +[[ $'\177' =~ $'\177' ]] ; echo $? +[[ $'\177' =~ $'\\\177' ]] ; echo $? +[[ $'\177' =~ $'\\[\177]' ]] ; echo $? + +# Now let's try it with variables expanding to those values +for c in $'\001' $'\a' $'\177' ; do + for r in "$c" "\\$c" "\\[$c]"; do + [[ $c =~ $r ]]; + printf '[[ %q =~ %q ]] -> %d\n' "$c" "$r" "$?"; + done; + printf %s\\n --- +done + +# try again with literals + +[[ '' =~ $'' ]] ; echo $? +[[ '' =~ '\' ]] ; echo $? +[[ '' =~ '\[]' ]] ; echo $? + +[[ '' =~ '' ]] ; echo $? +[[ '' =~ '\' ]] ; echo $? +[[ '' =~ '\[]' ]] ; echo $? + +[[ '' =~ $'' ]] ; echo $? +[[ '' =~ '\' ]] ; echo $? +[[ '' =~ '\[]' ]] ; echo $? + +# more expansions, but with literal non-special characters +[[ x =~ \x ]] ; echo $? +[[ x =~ \\x ]] ; echo $? + +bs='\' +[[ x =~ ${bs}x ]] ; echo $? + +[[ x =~ $'\\'x ]] ; echo $? +[[ x =~ '\'x ]] ; echo $? + +v='a\-b' +[[ a-b =~ ${v} ]] ; echo $? +[[ a-b =~ a\-b ]]; echo $? +[[ a-b =~ a${bs}-b ]]; echo $? +[[ a-b =~ a\\-b ]] ; echo $? +[[ a-b =~ "a\-b" ]] ; echo $? + +c=$'\001' + +recho $c "$c" + +[[ $c == $c ]] && echo ok 1 +[[ $c =~ $c ]] && echo ok 2 +[[ $c =~ \\$c ]] || echo ok 3 +[[ $c =~ \\"$c" ]] || echo ok 4 + +[[ $c =~ "\\"$c ]] || echo ok 5 +[[ $c =~ '\'$c ]] || echo ok 6 + +[[ $c =~ "\\""$c" ]] || echo ok 7 +[[ $c =~ '\'"$c" ]] || echo ok 8 |