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require 'jruby'
require 'test/unit'
class TestObjectSpace < Test::Unit::TestCase
def setup
@objectspace = JRuby.objectspace
JRuby.objectspace = true
end
def teardown
JRuby.objectspace = @objectspace
end
def test_id2ref
# Normal objects
o1 = "hey"
o2 = "ho"
id1 = o1.object_id
id2 = o2.object_id
assert_equal(o1, ObjectSpace._id2ref(id1))
assert_equal(o2, ObjectSpace._id2ref(id2))
# Fixnums
o1 = 17
o2 = 100001
id1 = o1.object_id
id2 = o2.object_id
assert_equal(o1, ObjectSpace._id2ref(id1))
assert_equal(o2, ObjectSpace._id2ref(id2))
assert_equal(1, 0.object_id)
assert_equal(3, 1.object_id)
assert_equal(201, 100.object_id)
assert_equal(-1, -1.object_id)
assert_equal(-19, -10.object_id)
assert_equal(0, false.object_id)
assert_equal(2, true.object_id)
assert_equal(4, nil.object_id)
assert_equal(false, ObjectSpace._id2ref(0))
assert_equal(true, ObjectSpace._id2ref(2))
assert_equal(nil, ObjectSpace._id2ref(4))
end
def test_jruby_objectspace
JRuby.objectspace = false
assert_equal(false, JRuby.objectspace)
JRuby.objectspace = true
assert_equal(true, JRuby.objectspace)
end
# JRUBY-4330
def test_object_id_same_with_objectspace
obj = "wahoo"
id_with_objectspace = obj.object_id
JRuby.objectspace = false
id_without_objectspace = obj.object_id
assert_equal(id_with_objectspace, id_without_objectspace)
end
def finalizer(results)
proc do |i|
results << "finalizing #{i}"
end
end
# JRUBY-4839
def test_finalization
[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 > 5) || results.length > 0
assert_equal ["finalizing #{obj1_id}"], results
end
end
end
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