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Versions: 48
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Contents
# frozen_string_literal: true
require "spec_helper"
RSpec.describe "IO.pipe" do
let(:pair) { IO.pipe }
let :unreadable_subject do
pair.first
end
let :readable_subject do
pipe, peer = pair
peer << "data"
pipe
end
let :writable_subject do
pair.last
end
let :unwritable_subject do
_reader, pipe = pair
# HACK: On OS X 10.8, this str must be larger than PIPE_BUF. Otherwise,
# the write is atomic and select() will return writable but write()
# will throw EAGAIN if there is too little space to write the string
# TODO: Use FFI to lookup the platform-specific size of PIPE_BUF
str = "JUNK IN THE TUBES" * 10_000
cntr = 0
begin
pipe.write_nonblock str
cntr += 1
t = select [], [pipe], [], 0
rescue Errno::EPIPE
break
rescue IO::EWOULDBLOCKWaitWritable
skip "windows - can't test due to 'select' not showing correct status"
break
end while t && t[1].include?(pipe) && cntr < 20
pipe
end
it_behaves_like "an NIO selectable"
it_behaves_like "an NIO selectable stream"
end
Version data entries
48 entries across 45 versions & 9 rubygems