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assert("sleep works") do
assert_nothing_raised { sleep(1) }
end
assert("sleep would not accept negative value") do
assert_raise(ArgumentError) { sleep(-1) }
end
assert("usleep works") do
assert_nothing_raised { usleep(100) }
end
assert("usleep would not accept negative value") do
assert_raise(ArgumentError) { usleep(-100) }
end
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