IO#ready? returns incorrect results
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Key: JRUBY-5617
URL: http://jira.codehaus.org/browse/JRUBY-5617
Project: JRuby
Issue Type: Bug
Components: Standard Library
Affects Versions: JRuby 1.6RC3, JRuby 1.6RC1, JRuby 1.5.6
Environment: Ubuntu 10.04.2 LTS
jruby 1.6.0.RC3 (ruby 1.8.7 patchlevel 330) (2011-03-08 bb55fc0) (OpenJDK
64-Bit Server VM 1.6.0_20) [linux-amd64-java]
Also: 1.6.0 RC1, and 1.5.6
Standard ruby: ruby 1.9.2p180 (2011-02-18 revision 30907) [x86_64-linux]
Reporter: Guy Allard
Assignee: Thomas E Enebo
Attachments: sock-ready2.rb
IO#ready? returns incorrect results on second and subsequent calls.
a) Write 100 bytes to a sender socket, issue flush, keep socket open
b) Attempt 4 consecutive reads of 25 bytes each. Check IO#ready? before reading
Expected results: 100 bytes are read in 4 consecutive reads
Observed results: The first 25 bytes are read, but then the read socket never
shows ready again.
Sample code is attached. Compare JRuby behavior with 'standard' Ruby using
this code.
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