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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "Thread.list" do
it "includes the current and main thread" do
Thread.list.should include(Thread.current)
Thread.list.should include(Thread.main)
end
it "includes threads of non-default thread groups" do
t = Thread.new { sleep }
begin
ThreadGroup.new.add(t)
Thread.list.should include(t)
ensure
t.kill
t.join
end
end
it "does not include deceased threads" do
t = Thread.new { 1; }
t.join
Thread.list.should_not include(t)
end
it "includes waiting threads" do
q = Queue.new
t = Thread.new { q.pop }
begin
Thread.pass while t.status and t.status != 'sleep'
Thread.list.should include(t)
ensure
q << nil
t.join
end
end
it "returns instances of Thread and not null or nil values" do
spawner = Thread.new do
Array.new(100) do
Thread.new {}
end
end
while spawner.alive?
Thread.list.each { |th|
th.should be_kind_of(Thread)
}
end
threads = spawner.value
threads.each(&:join)
end
end
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