Lexing of CDATA tags.

spec/oga/lexer_spec.rb

@@ -116,4 +116,20 @@ describe Oga::Lexer do
       ]
     end
   end
+
+  context 'cdata tags' do
+    example 'lex a cdata tag' do
+      lex('<![CDATA[foo]]>').should == [
+        [:T_SMALLER, '<', 1, 1],
+        [:T_BANG, '!', 1, 2],
+        [:T_LBRACKET, '[', 1, 3],
+        [:T_TEXT, 'CDATA', 1, 4],
+        [:T_LBRACKET, '[', 1, 9],
+        [:T_TEXT, 'foo', 1, 10],
+        [:T_RBRACKET, ']', 1, 13],
+        [:T_RBRACKET, ']', 1, 14],
+        [:T_GREATER, '>', 1, 15],
+      ]
+    end
+  end
 end