class Test::Unit::Assertions::AssertionMessage::HashInspector

def each_pair
  keys = @hash.keys
  begin
    keys = keys.sort # FIXME: more cleverly
  rescue ArgumentError
  end
  keys.each do |key|
    yield(key, @hash[key])
  end
end

def initialize(hash, inspected_objects)
  @inspected_objects = inspected_objects
  @hash = {}
  hash.each do |key, value|
    key = Inspector.cached_new(key, @inspected_objects)
    value = Inspector.cached_new(value, @inspected_objects)
    @hash[key] = value
  end
end

def inspect
  @hash.inspect
end

def pretty_print(q)
  q.group(1, '{', '}') do
    q.seplist(self, nil, :each_pair) do |k, v|
      q.group do
        q.pp(k)
        q.text('=>')
        q.group(1) do
          q.breakable('')
          q.pp(v)
        end
      end
    end
  end
end

def pretty_print_cycle(q)
  @hash.pretty_print_cycle(q)
end

def target?(object)
  object.is_a?(Hash) or ENV.equal?(object)
end