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require_relative 'helper'
class PsychStructWithIvar < Struct.new(:foo)
attr_reader :bar
def initialize *args
super
@bar = 'hello'
end
end
module Psych
class TestStruct < TestCase
class StructSubclass < Struct.new(:foo)
def initialize foo, bar
super(foo)
@bar = bar
end
end
def test_self_referential_struct
ss = StructSubclass.new(nil, 'foo')
ss.foo = ss
loaded = Psych.load(Psych.dump(ss))
assert_instance_of(StructSubclass, loaded.foo)
assert_equal(ss, loaded)
end
def test_roundtrip
thing = PsychStructWithIvar.new('bar')
struct = Psych.load(Psych.dump(thing))
assert_equal 'hello', struct.bar
assert_equal 'bar', struct.foo
end
def test_load
obj = Psych.load(<<-eoyml)
--- !ruby/struct:PsychStructWithIvar
:foo: bar
:@bar: hello
eoyml
assert_equal 'hello', obj.bar
assert_equal 'bar', obj.foo
end
end
end
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