[ruby/irb] Detect the variable class to show doc

https://github.com/ruby/irb/commit/33b9bec954

1 files changed, 6 insertions, 0 deletions

diff --git a/test/irb/test_completion.rb b/test/irb/test_completion.rb
index ab57762029..260b8a8892 100644
--- a/test/irb/test_completion.rb
+++ b/test/irb/test_completion.rb
@@ -83,5 +83,11 @@ module TestIRB
         assert_include candidates, word
       end
     end
+
+    def test_complete_variable
+      str_example = ''
+      assert_include(IRB::InputCompletor.retrieve_completion_data("str_examp", bind: binding), "str_example")
+      assert_equal(IRB::InputCompletor.retrieve_completion_data("str_example", bind: binding, doc_namespace: true), "String")
+    end
   end
 end