1 files changed, 17 insertions, 0 deletions
diff --git a/test/irb/test_completion.rb b/test/irb/test_completion.rb
new file mode 100644
index 0000000000..3c11eb003c
--- /dev/null
+++ b/test/irb/test_completion.rb
@@ -0,0 +1,17 @@
+require 'test/unit'
+require_relative '../ruby/envutil'
+
+module TestIRB
+  class TestCompletion < Test::Unit::TestCase
+    def test_nonstring_module_name
+      bug5938 = '[ruby-core:42244]'
+      cmds = %W[-rirb -rirb/completion -e IRB.setup(__FILE__)
+       -e IRB.conf[:MAIN_CONTEXT]=IRB::Irb.new.context
+       -e module\sFoo;def\sself.name;//;end;end
+       -e IRB::InputCompletor::CompletionProc.call("[1].first.")
+       -- -f --]
+      status = assert_in_out_err(cmds, "", //, [], bug5938)
+      assert(status.success?, bug5938)
+    end
+  end
+end