[ruby/rdoc] fix: fix NoMethodError when token_stream is nil

The change in #1055 might be a breaking change. So, just simply wrap `token_stream` with `Array` ruby/rdoc@d8c19d7fa1 Co-authored-by: Jonathan Hefner <jonathan@hefner.pro>
ruby · Dec 5, 2023 · cda431f · cda431f
1 parent 09ce41a
commit cda431f
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diff --git a/lib/rdoc/token_stream.rb b/lib/rdoc/token_stream.rb
@@ -105,14 +105,14 @@ def pop_token
   # Current token stream
 
   def token_stream
-    @token_stream || []
+    @token_stream
   end
 
   ##
   # Returns a string representation of the token stream
 
   def tokens_to_s
-    token_stream.compact.map { |token| token[:text] }.join ''
+    Array(token_stream).compact.map { |token| token[:text] }.join ''
   end
 
 end
diff --git a/test/rdoc/test_rdoc_token_stream.rb b/test/rdoc/test_rdoc_token_stream.rb
@@ -39,6 +39,13 @@ def test_class_to_html_empty
     assert_equal '', RDoc::TokenStream.to_html([])
   end
 
+  def test_token_stream
+    foo = Class.new do
+      include RDoc::TokenStream
+    end.new
+    assert_equal nil, foo.token_stream
+  end
+
   def test_tokens_to_s
     foo = Class.new do
       include RDoc::TokenStream