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sh: Add test for $'\u' without any digits.

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It is likely that $'\uXXXX' and $'\UXXXXXXXX' will allow fewer digits in
future. However, no digits at all should still be disallowed.
This commit is contained in:
Jilles Tjoelker 2015-08-20 21:31:36 +00:00
parent a6bf3a9ef6
commit f84460dded
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=286971
2 changed files with 8 additions and 0 deletions
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1
bin/sh/tests/parser/Makefile
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@ -36,6 +36,7 @@ FILES+= dollar-quote8.0
FILES+= dollar-quote9.0
FILES+= dollar-quote10.0
FILES+= dollar-quote11.0
FILES+= dollar-quote12.0
FILES+= empty-braces1.0
FILES+= empty-cmd1.0
FILES+= for1.0

7
bin/sh/tests/parser/dollar-quote12.0 Normal file
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@ -0,0 +1,7 @@
# $FreeBSD$
# \u without any digits at all remains invalid.
# Our choice is a parse error.
v=$( (eval ": \$'\u'") 2>&1 >/dev/null)
[ $? -ne 0 ] && [ -n "$v" ]