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require 'test/unit'
require '-test-/string'
class Test_RbInternedStr < Test::Unit::TestCase
def test_interned_str
src = "a" * 20
interned_str = Bug::String.rb_interned_str_dup(src)
src.clear
src << "b" * 20
assert_equal "a" * 20, interned_str
end
end
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