require 'thread_safe' require File.join(File.dirname(__FILE__), "test_helper") class TestHash < Minitest::Test def test_concurrency hsh = ThreadSafe::Hash.new (1..100).map do |i| Thread.new do 1000.times do |j| hsh[i*1000+j] = i hsh[i*1000+j] hsh.delete(i*1000+j) end end end.map(&:join) end end