text: #! /usr/bin/env ruby -S rspec
  require 'spec_helper'
  
  describe "the swapcase function" do
    let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
  
    it "should exist" do
      expect(Puppet::Parser::Functions.function("swapcase")).to eq("function_swapcase")
    end
  
    it "should raise a ParseError if there is less than 1 arguments" do
      expect { scope.function_swapcase([]) }.to( raise_error(Puppet::ParseError))
    end
  
    it "should swapcase a string" do
      result = scope.function_swapcase(["aaBBccDD"])
      expect(result).to(eq('AAbbCCdd'))
    end
  
    it "should accept objects which extend String" do
      class AlsoString < String
      end
  
      value = AlsoString.new("aaBBccDD")
      result = scope.function_swapcase([value])
      result.should(eq("AAbbCCdd"))
    end
  end
  