IO#read crashes JRuby when pos is bigger than the file length
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Key: JRUBY-2789
URL: http://jira.codehaus.org/browse/JRUBY-2789
Project: JRuby
Issue Type: Bug
Affects Versions: JRuby 1.1.2
Environment: Latest JRuby 1.1.3-dev
Reporter: Vladimir Sizikov
Assignee: Vladimir Sizikov
Fix For: JRuby 1.1.3
{noformat}
jruby -e "io = File.open('data.dat'); io.pos=1000; io.read"
Exception in thread "main" java.lang.NegativeArraySizeException
at org.jruby.util.ByteList.<init>(ByteList.java:67)
at org.jruby.util.io.ChannelStream.readall(ChannelStream.java:336)
at org.jruby.RubyIO.readAll(RubyIO.java:2342)
at org.jruby.RubyIO.read(RubyIO.java:2158)
at org.jruby.RubyIOInvoker$read_method_multi.call(Unknown Source)
at
org.jruby.runtime.CallSite$InlineCachingCallSite.cacheAndCall(CallSite.java:123)
at
org.jruby.runtime.CallSite$InlineCachingCallSite.call(CallSite.java:333)
at ruby.__dash_e__.__file__(-e:1)
at ruby.__dash_e__.__file__(-e)
at ruby.__dash_e__.load(-e)
at org.jruby.Ruby.runScript(Ruby.java:544)
at org.jruby.Ruby.runNormally(Ruby.java:457)
at org.jruby.Ruby.runFromMain(Ruby.java:330)
at org.jruby.Main.run(Main.java:184)
at org.jruby.Main.run(Main.java:91)
at org.jruby.Main.main(Main.java:82)
{noformat}
Will fix.
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