1 files changed, 5 insertions, 0 deletions
diff --git a/test/irb/test_ruby-lex.rb b/test/irb/test_ruby-lex.rb
index ba6774544e..79528676e4 100644
--- a/test/irb/test_ruby-lex.rb
+++ b/test/irb/test_ruby-lex.rb
@@ -35,6 +35,11 @@ module TestIRB
                    result)
     end
 
+    def test_immature_statement
+      src = "if false\n"
+      assert_equal([[src, 1]], top_level_statement(src))
+    end
+
     def top_level_statement(lines)
       input = InputLines.new(lines, "r")
       scanned = []