# File lib/rcodetools/xmptestunitfilter.rb, line 296
  def value_assertions(klass_txt, value_txt, value, expression)
    case value
    when Float
      min = "%.4f" % [value - FLOAT_TOLERANCE]
      max = "%.4f" % [value + FLOAT_TOLERANCE]
      [ expectation("#{min}..#{max}", expression) ]
    when Numeric, String, Hash, Array, Regexp, TrueClass, FalseClass, Symbol, NilClass
      [ expectation(value_txt, expression) ]
    else
      object_assertions klass_txt, value_txt, expression 
    end
  end