Spec to confirm monkey patch still necessary for: https://github.com/rails/rails/issues/3727

utf8_json_spec.rb

# Encoding: UTF-8
require 'spec_helper'

# Specs for initializers/patches.rb

describe ActiveSupport::JSON::Encoding do
  it "should not break high bitrate utf-8 characters" do
    hash = { string: "𐒑" }
    
    json = ActiveSupport::JSON.encode(hash)
    decoded_hash = ActiveSupport::JSON.decode(json)

    decoded_hash['string'].should == "𐒑"
  end
end