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require 'spec_helper'
describe Hitimes::MutexedStats do
before( :each ) do
@threads = 5
@iters = 10_000
@final_value = @threads * @iters
end
def run_with_scissors( stats, threads, iters )
spool = []
threads.times do |t|
spool << Thread.new { iters.times{ stats.update( 1 ) } }
end
spool.each { |t| t.join }
return stats
end
if (not defined? RUBY_ENGINE) or (RUBY_ENGINE == "ruby") then
it "Hitimes::Stats is threadsafe" do
stats = run_with_scissors( ::Hitimes::Stats.new, @threads, @iters )
stats.count.must_equal @final_value
end
else
it "Hitimes::Stats is not threadsafe" do
stats = run_with_scissors( ::Hitimes::Stats.new, @threads, @iters )
stats.count.wont_equal @final_value
end
end
it "has a threadsafe update" do
stats = run_with_scissors( ::Hitimes::MutexedStats.new, @threads, @iters )
stats.count.must_equal @final_value
end
end
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