diff --git a/test/ripper/test_parser_events.rb b/test/ripper/test_parser_events.rb
index 527c29023f..02183129b0 100644
--- a/test/ripper/test_parser_events.rb
+++ b/test/ripper/test_parser_events.rb
@@ -732,12 +732,24 @@ class TestRipper::ParserEvents < Test::Unit::TestCase
     assert_equal true, thru_redo
   end
 
+  def test_regexp_add
+    thru_regexp_add = false
+    parse('/foo/', :on_regexp_add) {thru_regexp_add = true}
+    assert_equal true, thru_regexp_add
+  end
+
   def test_regexp_literal
     thru_regexp_literal = false
     parse('//', :on_regexp_literal) {thru_regexp_literal = true}
     assert_equal true, thru_regexp_literal
   end
 
+  def test_regexp_new
+    thru_regexp_new = false
+    parse('//', :on_regexp_new) {thru_regexp_new = true}
+    assert_equal true, thru_regexp_new
+  end
+
   def test_rescue
     thru_rescue = false
     parse('begin; rescue; end', :on_rescue) {thru_rescue = true}