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require_relative '../../spec_helper'
ruby_version_is ''...'3.2' do
require 'io/wait'
end
describe "IO#wait_readable" do
before :each do
@io = File.new(__FILE__ )
end
after :each do
@io.close
end
it "waits for the IO to become readable with no timeout" do
@io.wait_readable.should == @io
end
it "waits for the IO to become readable with the given timeout" do
@io.wait_readable(1).should == @io
end
it "waits for the IO to become readable with the given large timeout" do
@io.wait_readable(365 * 24 * 60 * 60).should == @io
end
it "can be interrupted" do
rd, wr = IO.pipe
start = Process.clock_gettime(Process::CLOCK_MONOTONIC)
t = Thread.new do
rd.wait_readable(10)
end
Thread.pass until t.stop?
t.kill
t.join
finish = Process.clock_gettime(Process::CLOCK_MONOTONIC)
(finish - start).should < 9
ensure
rd.close
wr.close
end
end
|
