# frozen_string_literal: true # Copyright, 2019, by Samuel G. D. Williams. # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. require 'benchmark/ips' require 'async' RSpec.describe Async::Wrapper do let(:pipe) {IO.pipe} after do pipe.each(&:close) end let(:input) {described_class.new(pipe.first)} let(:output) {described_class.new(pipe.last)} it "should be fast to wait until readable" do Benchmark.ips do |x| x.report('Wrapper#wait_readable') do |repeats| Async do |task| input = Async::Wrapper.new(pipe.first, task.reactor) output = pipe.last repeats.times do output.write(".") input.wait_readable input.io.read(1) end input.reactor = nil end end x.report('Reactor#register') do |repeats| Async do |task| input = pipe.first monitor = task.reactor.register(input, :r) output = pipe.last repeats.times do output.write(".") Async::Task.yield input.read(1) end monitor.close end end x.compare! end end end