Randomly changed hash key in overriden []= method in Hash inherited class
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Key: JRUBY-6035
URL: https://jira.codehaus.org/browse/JRUBY-6035
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.6.4, JRuby 1.6.2
Environment: Ubuntu 10.04 (2.6.32-33)
java 1.6.0_26-b03
Reporter: Ivan Vystoskiy
Found this problem trying to run Machinist v2.0.0beta2 but it happens in irb as
well.
Here is a snippet I ran in a console. In my environment it randomly fails on
48th-49th iteration. After self[*keys] = [] empty array get added to keys and
having the key is changed super(key) returns nil.
class AA < Hash
def []=(*keys)
value = keys.pop
super(keys, value)
end
def [](*keys)
if !has_key?(keys)
p keys
self[*keys] = []
p keys
end
super(keys)
end
end
def go(h,count)
count.times do |i|
key=[i,i]
h[key]<<i
end
end
go(AA.new, 100)
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