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Test incorrect behaviour of `rb_io_wait_readable/writable`. --- test/fiber/test_io.rb | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) Check errno before invoking scheduler in `rb_io_wait_readable/writable`. See <https://bugs.ruby-lang.org/issues/17527> for more details. --- io.c | 66 +++++++++++++++++++++++++++++++++++------------------------------- 1 file changed, 35 insertions(+), 31 deletions(-)
100 lines
1.8 KiB
Ruby
100 lines
1.8 KiB
Ruby
# frozen_string_literal: true
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require 'test/unit'
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require_relative 'scheduler'
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class TestFiberIO < Test::Unit::TestCase
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MESSAGE = "Hello World"
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def test_read
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skip "UNIXSocket is not defined!" unless defined?(UNIXSocket)
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i, o = UNIXSocket.pair
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unless i.nonblock? && o.nonblock?
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i.close
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o.close
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skip "I/O is not non-blocking!"
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end
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message = nil
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thread = Thread.new do
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scheduler = Scheduler.new
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Fiber.set_scheduler scheduler
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Fiber.schedule do
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message = i.read(20)
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i.close
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end
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Fiber.schedule do
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o.write("Hello World")
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o.close
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end
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end
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thread.join
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assert_equal MESSAGE, message
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assert_predicate(i, :closed?)
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assert_predicate(o, :closed?)
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end
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def test_heavy_read
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skip unless defined?(UNIXSocket)
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16.times.map do
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Thread.new do
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i, o = UNIXSocket.pair
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scheduler = Scheduler.new
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Fiber.set_scheduler scheduler
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Fiber.schedule do
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i.read(20)
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i.close
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end
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Fiber.schedule do
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o.write("Hello World")
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o.close
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end
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end
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end.each(&:join)
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end
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def test_epipe_on_read
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skip "UNIXSocket is not defined!" unless defined?(UNIXSocket)
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i, o = UNIXSocket.pair
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unless i.nonblock? && o.nonblock?
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i.close
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o.close
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skip "I/O is not non-blocking!"
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end
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error = nil
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thread = Thread.new do
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scheduler = Scheduler.new
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Fiber.set_scheduler scheduler
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Fiber.schedule do
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begin
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i.close
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o.write(MESSAGE)
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rescue => error
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# Saved into error.
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end
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end
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end
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thread.join
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i.close
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o.close
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assert_kind_of Errno::EPIPE, error
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end
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end
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