StringIO#truncate problem
-------------------------
Key: JRUBY-3810
URL: http://jira.codehaus.org/browse/JRUBY-3810
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.3
Reporter: Charles
Priority: Minor
StringIO#truncate should probably zero out the contents of BytesList greater
than the new length, as if you resize it later it will have the old data
instead of nulls.
% jruby -rstringio -e "s = StringIO.new('a' * 10); [0, 10].each { |i|
s.truncate i }; p s.string"
"aaaaaaaaaa"
% ruby -rstringio -e "s = StringIO.new('a' * 10); [0, 10].each { |i| s.truncate
i }; p s.string"
"\000\000\000\000\000\000\000\000\000\000"
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