and

gistfile1.txt

# -*- encoding: utf-8 -*-


class And

  def initialize(*node)
    @node = node
  end

  def exec
    @node.reject{|n| n.call}.size == 0
  end
end

describe "IfThenElse#exec" do
  context 'and 要素が 3つの場合' do
    subject do
      And.new(first, second, third)
    end

    context '3つとも trueの場合' do
      let(:first)  { -> { 1==1 } }
      let(:second) { -> { 1==1 } }
      let(:third)  { -> { 1==1 } }
      its(:exec) { should == true }
    end

    context '1つめが falseの場合' do
      let(:first)  { -> { false } }
      let(:second) { -> { 1==1 } }
      let(:third)  { -> { 1==1 } }
      its(:exec) { should == false }
    end

    context '3つめが falseの場合' do
      let(:first)  { -> { true } }
      let(:second) { -> { true } }
      let(:third)  { -> { false } }
      its(:exec) { should == false }
    end
  end
end