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require_relative '../../spec_helper'
ruby_version_is "3.1" do
platform_is :linux, :darwin, :windows, :freebsd do
describe "Thread#native_thread_id" do
it "returns an integer when the thread is alive" do
Thread.current.native_thread_id.should be_kind_of(Integer)
end
it "returns nil when the thread is not running" do
t = Thread.new {}
t.join
t.native_thread_id.should == nil
end
it "each thread has different native thread id" do
t = Thread.new { sleep }
Thread.pass until t.stop?
main_thread_id = Thread.current.native_thread_id
t_thread_id = t.native_thread_id
if ruby_version_is "3.3"
# native_thread_id can be nil on a M:N scheduler
t_thread_id.should be_kind_of(Integer) if t_thread_id != nil
else
t_thread_id.should be_kind_of(Integer)
end
main_thread_id.should_not == t_thread_id
t.run
t.join
t.native_thread_id.should == nil
end
end
end
end
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