# encoding: utf-8

require 'spec_helper'

describe Function::Predicate::Exclusion, '.call' do
  subject { object.call(left, right) }

  let(:object) { described_class }

  context 'when left is excluded from right' do
    let(:left)  { 1   }
    let(:right) { [0] }

    it { should be(true) }
  end

  context 'when left is not excluded from right' do
    let(:left)  { 1   }
    let(:right) { [1] }

    it { should be(false) }
  end
end