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require_relative '../../spec_helper'
require_relative '../../fixtures/io'
ruby_version_is ''...'3.2' do
require 'io/wait'
end
describe "IO#wait_writable" do
it "waits for the IO to become writable with no timeout" do
STDOUT.wait_writable.should == STDOUT
end
it "waits for the IO to become writable with the given timeout" do
STDOUT.wait_writable(1).should == STDOUT
end
it "waits for the IO to become writable with the given large timeout" do
# Represents one year and is larger than a 32-bit int
STDOUT.wait_writable(365 * 24 * 60 * 60).should == STDOUT
end
it "can be interrupted" do
rd, wr = IO.pipe
IOSpec.exhaust_write_buffer(wr)
start = Process.clock_gettime(Process::CLOCK_MONOTONIC)
t = Thread.new do
wr.wait_writable(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 unless rd.closed?
wr.close unless wr.closed?
end
end
|
