1 files changed, 6 insertions, 0 deletions
diff --git a/test/ruby/test_thread.rb b/test/ruby/test_thread.rb
index dc929ce4fd..c90c369bb7 100644
--- a/test/ruby/test_thread.rb
+++ b/test/ruby/test_thread.rb
@@ -1082,4 +1082,10 @@ q.pop
     t.kill
     t.join
   end
+
+  def test_thread_setname_in_initialize
+    bug12290 = '[ruby-core:74963] [Bug #12290]'
+    c = Class.new(Thread) {def initialize() self.name = "foo"; super; end}
+    assert_equal("foo", c.new {Thread.current.name}.value)
+  end
 end