Bug in AbstractEncoding?
------------------------
Key: JRUBY-4389
URL: http://jira.codehaus.org/browse/JRUBY-4389
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.4
Environment: jruby 1.4.0 (ruby 1.8.7 patchlevel 174) (2009-11-03 6586)
(Java HotSpot(TM) 64-Bit Server VM 1.6.0_17) [x86_64-java]
Reporter: Kornelius Kalnbach
jruby -e '"\227\376"[/[^\W]\w/u]'
produces:
AbstractEncoding.java:50:in `isCodeCTypeInternal':
java.lang.ArrayIndexOutOfBoundsException: -2
from UnicodeEncoding.java:51:in `isCodeCType'
from Encoding.java:430:in `isWord'
from Encoding.java:435:in `isMbcWord'
from ByteCodeMachine.java:937:in `opWord'
from ByteCodeMachine.java:228:in `matchAt'
from Matcher.java:293:in `matchCheck'
from Matcher.java:466:in `search'
from RubyRegexp.java:1384:in `search'
from RubyString.java:3340:in `subpat'
from RubyString.java:3258:in `op_aref'
from org/jruby/RubyString$i_method_multi$RUBYINVOKER$op_aref.gen:-1:in
`call'
from CachingCallSite.java:310:in `cacheAndCall'
from CachingCallSite.java:149:in `call'
from -e:1:in `__file__'
from -e:-1:in `load'
from Ruby.java:628:in `runScript'
from Ruby.java:550:in `runNormally'
from Ruby.java:396:in `runFromMain'
from Main.java:272:in `run'
from Main.java:117:in `run'
from Main.java:97:in `main'
I know it's a strange string, but JRuby should raise an exception on Ruby
level, if any.
Confirmed by banzaiman on #jruby.
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