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