spec/ruby/library/mathn/mathn_spec.rb


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require_relative '../../spec_helper'

describe "mathn" do
  ruby_version_is "2.5" do
    it "is no longer part of the standard library" do
      -> {
        require "mathn"
      }.should raise_error(LoadError) { |e|
        e.path.should == 'mathn'
      }
    end
  end
end