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# frozen_string_literal: true
require "abstract_unit"
require "active_support/core_ext/kernel/concern"
class KernelConcernTest < ActiveSupport::TestCase
def test_may_be_defined_at_toplevel
mod = ::TOPLEVEL_BINDING.eval "concern(:ToplevelConcern) { }"
assert_equal mod, ::ToplevelConcern
assert_kind_of ActiveSupport::Concern, ::ToplevelConcern
assert_not Object.ancestors.include?(::ToplevelConcern), mod.ancestors.inspect
ensure
Object.send :remove_const, :ToplevelConcern
end
end
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