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require 'test/unit'
class TestClone < Test::Unit::TestCase
module M001; end
module M002; end
module M003; include M002; end
module M002; include M001; end
module M003; include M002; end
def test_clone
foo = Object.new
def foo.test
"test"
end
bar = foo.clone
def bar.test2
"test2"
end
assert_equal("test2", bar.test2)
assert_equal("test", bar.test)
assert_equal("test", foo.test)
assert_raise(NoMethodError) {foo.test2}
assert_equal([M003, M002, M001], M003.ancestors)
end
end
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