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-rw-r--r--test/ruby/test_string.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb
index 06a92c59574..1387feccf5e 100644
--- a/test/ruby/test_string.rb
+++ b/test/ruby/test_string.rb
@@ -2243,6 +2243,12 @@ class TestString < Test::Unit::TestCase
})
end
end
+
+ def test_frozen_strings_are_deduplicated
+ a = "hello"f
+ b = "hello"f
+ assert_equal a.object_id, b.object_id
+ end
end
class TestString2 < TestString