diff --git a/test/ripper/test_lexer.rb b/test/ripper/test_lexer.rb
index 1794773d89..3fc44234b9 100644
--- a/test/ripper/test_lexer.rb
+++ b/test/ripper/test_lexer.rb
@@ -138,4 +138,11 @@ class TestRipper::Lexer < Test::Unit::TestCase
     assert_equal pos, code.bytesize
     assert_equal expected.size, result.size
   end
+
+  def test_trailing_on_embexpr_end
+    # This is useful for scanning a template engine literal `{ foo, bar: baz }`
+    # whose body inside brackes works like trailing method arguments, like Haml.
+    token = Ripper.lex("a( foo, bar: baz }").last
+    assert_equal [[1, 17], :on_embexpr_end, "}", state(:EXPR_ARG)], token
+  end
 end