2 files changed, 12 insertions, 0 deletions
diff --git a/test/ripper/test_lexer.rb b/test/ripper/test_lexer.rb
index 2ec66cd592..72b7f1b5fd 100644
--- a/test/ripper/test_lexer.rb
+++ b/test/ripper/test_lexer.rb
@@ -20,5 +20,16 @@ class TestRipper::Lexer < Test::Unit::TestCase
     D
     E
     assert_equal(str, Ripper.tokenize(str).join(""), bug)
+
+    str = <<~'E'
+    <<~"D"
+    #{
+    <<~"B"
+      this must be a valid ruby
+    B
+    }
+    D
+    E
+    assert_equal(str, Ripper.tokenize(str).join(""), bug)
   end
 end
diff --git a/test/ripper/test_scanner_events.rb b/test/ripper/test_scanner_events.rb
index 027d56d1e6..ef49fc18ba 100644
--- a/test/ripper/test_scanner_events.rb
+++ b/test/ripper/test_scanner_events.rb
@@ -105,6 +105,7 @@ class TestRipper::ScannerEvents < Test::Unit::TestCase
                  Ripper.lex("1r\n2i\n3ri\n4.2r\n5.6ri")
      assert_equal [[[1, 0], :on_heredoc_beg, "<<~EOS"],
                    [[1, 6], :on_nl, "\n"],
+                   [[2, 0], :on_ignored_sp, "  "],
                    [[2, 2], :on_tstring_content, "heredoc\n"],
                    [[3, 0], :on_heredoc_end, "EOS"]
                  ],