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require 'test/unit'
require_relative 'ruby/envutil'
# mathn redefines too much. It must be isolated to child processes.
class TestMathn < Test::Unit::TestCase
def test_power
assert_in_out_err ['-r', 'mathn', '-e', '1**2'], [], [], [], '[ruby-core:25740]'
assert_in_out_err ['-r', 'mathn', '-e', '(1<<126)**2'], [], [], [], '[ruby-core:25740]'
end
end
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