require 'test/minirunit'

# Normal objects
o1 = "hey"
o2 = "ho"
id1 = o1.object_id
id2 = o2.object_id
test_equal(o1, ObjectSpace._id2ref(id1))
test_equal(o2, ObjectSpace._id2ref(id2))

# Fixnums
o1 = 17
o2 = 100001
id1 = o1.object_id
id2 = o2.object_id
test_equal(o1, ObjectSpace._id2ref(id1))
test_equal(o2, ObjectSpace._id2ref(id2))

test_equal(1, 0.object_id)
test_equal(3, 1.object_id)
test_equal(201, 100.object_id)
test_equal(-1, -1.object_id)
test_equal(-19, -10.object_id)

test_equal(0, false.object_id)
test_equal(2, true.object_id)
test_equal(4, nil.object_id)

test_equal(false, ObjectSpace._id2ref(0))
test_equal(true, ObjectSpace._id2ref(2))
test_equal(nil, ObjectSpace._id2ref(4))

if (defined?(JRUBY_VERSION))
  require 'jruby'
  orig_obj_space = JRuby.objectspace
  begin

    JRuby.objectspace = false
    test_equal(false, JRuby.objectspace)
    JRuby.objectspace = true
    test_equal(true, JRuby.objectspace)

    # JRUBY-4330
    obj = "wahoo"
    id_with_objectspace = obj.object_id
    JRuby.objectspace = false
    id_without_objectspace = obj.object_id
    test_equal(id_with_objectspace, id_without_objectspace)

    # JRUBY-4839
    def finalizer(results)
      proc do |i|
        results << "finalizing #{i}"
      end
    end

    [true, false].each do |objectspace|
      JRuby.objectspace = objectspace
      obj1 = "lemon"
      obj2 = "apple"
      results = []

      ObjectSpace.define_finalizer obj1, finalizer(results)
      ObjectSpace.define_finalizer obj2, finalizer(results)

      obj1_id = obj1.object_id

      ObjectSpace.undefine_finalizer obj2

      obj1 = nil
      obj2 = nil

      t = Time.now
      (JRuby.gc; sleep 0.1) until (Time.now - t > 1) || results.length > 0
      test_equal ["finalizing #{obj1_id}"], results
    end

  ensure
    JRuby.objectspace = orig_obj_space
  end
end