Kernel#rand implementation does not match mri and rbx
-----------------------------------------------------
Key: JRUBY-5697
URL: http://jira.codehaus.org/browse/JRUBY-5697
Project: JRuby
Issue Type: Bug
Reporter: Aman Gupta
Assignee: Thomas E Enebo
this breaks certain test frameworks that assume calling srand will result in a
specific repeatable sequence of random numbers.
it looks like there is a compatible random implementation in
org.jruby.util.Random, but it is not being used.
{noformat}
$ /usr/bin/ruby -ve 'srand(1); p rand'
ruby 1.8.7 (2009-06-12 patchlevel 174) [universal-darwin10.0]
0.417022004702574
{noformat}
{noformat}
$ ruby -ve 'srand(1); p rand'
ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-darwin10.6.0]
0.417022004702574
{noformat}
{noformat}
$ ruby -ve 'srand(1); p rand'
rubinius 1.2.4dev (1.8.7 d9624587 yyyy-mm-dd JI) [x86_64-apple-darwin10.6.0]
0.417022004702574
{noformat}
{noformat}
$ ruby -ve 'srand(1); p rand'
jruby 1.6.0 (ruby-1.8.7-p330) (2011-04-05 2701790) (Java HotSpot(TM) 64-Bit
Server VM 1.6.0_24) [darwin-x86_64-java]
0.730878190703291
{noformat}
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