test/psych/test_serialize_subclasses.rb

   1 # frozen_string_literal: true
   2 require_relative 'helper'
   3
   4 module Psych
   5   class TestSerializeSubclasses < TestCase
   6     class SomeObject
   7       def initialize one, two
   8         @one = one
   9         @two = two
  10       end
  11
  12       def == other
  13         @one == other.instance_eval { @one } &&
  14           @two == other.instance_eval { @two }
  15       end
  16     end
  17
  18     def test_some_object
  19       so = SomeObject.new('foo', [1,2,3])
  20       assert_equal so, Psych.unsafe_load(Psych.dump(so))
  21     end
  22
  23     class StructSubclass < Struct.new(:foo)
  24       def initialize foo, bar
  25         super(foo)
  26         @bar = bar
  27       end
  28
  29       def == other
  30         super(other) && @bar == other.instance_eval{ @bar }
  31       end
  32     end
  33
  34     def test_struct_subclass
  35       so = StructSubclass.new('foo', [1,2,3])
  36       assert_equal so, Psych.unsafe_load(Psych.dump(so))
  37     end
  38   end
  39 end