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# frozen_string_literal: true
require "test/unit"
require_relative 'scheduler'
class TestFiberThread < Test::Unit::TestCase
def test_thread_join
thread = Thread.new do
scheduler = Scheduler.new
Fiber.set_scheduler scheduler
result = nil
Fiber.schedule do
result = Thread.new{:done}.value
end
scheduler.run
result
end
assert_equal :done, thread.value
end
def test_thread_join_blocking
thread = Thread.new do
scheduler = Scheduler.new
Fiber.set_scheduler scheduler
result = nil
Fiber.schedule do
Fiber.new(blocking: true) do
# This can deadlock if the blocking state is not taken into account:
Thread.new do
sleep(0)
result = :done
end.join
end.resume
end
scheduler.run
result
end
assert_equal :done, thread.value
end
def test_broken_unblock
thread = Thread.new do
Thread.current.report_on_exception = false
scheduler = BrokenUnblockScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
Thread.new{
Thread.current.report_on_exception = false
}.join
end
scheduler.run
ensure
scheduler.close
end
assert_raise(RuntimeError) do
thread.join
end
end
end
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