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# frozen_string_literal: true
# Copyright, 2019, by Samuel G. D. Williams. <http://www.codeotaku.com>
#
# 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
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