ArrayIndexOutOfBoundsException in RubyString#justify
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Key: JRUBY-1154
URL: http://jira.codehaus.org/browse/JRUBY-1154
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.0.0RC3, JRuby 1.0.0
Reporter: Ronny Voelker
Attachments: trunk.patch
String#ljust or String#center throws an ArrayIndexOutOfBoundsException in
RubyString#justify, if the string is a part of another string.
Example:
irb(main):001:0> x = "abab"[2..3]
=> "ab"
irb(main):002:0> x.rjust(4)
=> " ab"
irb(main):003:0> x.ljust(4)
NativeException: java.lang.ArrayIndexOutOfBoundsException: 4
from RubyString.java:2701:in `org.jruby.RubyString.justify'
...
Reason:
The end value of the iterator variable of the iteration which fills up the
ByteArray of the resulting string is calculated too high.
The begin of the source ByteArray is used for calculating the length of the
resulting ByteArray, instead of the begin of the resulting ByteArray.
A Patch for the trunk is attached.
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