test/javax/xml/jaxp/libs/jaxp/library/JAXPTestUtilities.java

*** 20,34 ****
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  package jaxp.library;
  
- 
  import java.io.IOException;
  import java.nio.file.Files;
  import java.nio.file.Paths;
  import static org.testng.Assert.fail;
  
  /**
   * This is an interface provide basic support for JAXP functional test.
   */
  public class JAXPTestUtilities {
--- 20,38 ----
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  package jaxp.library;
  
  import java.io.IOException;
  import java.nio.file.Files;
  import java.nio.file.Paths;
+ import javax.xml.parsers.DocumentBuilder;
+ import javax.xml.parsers.DocumentBuilderFactory;
+ import javax.xml.parsers.ParserConfigurationException;
  import static org.testng.Assert.fail;
+ import org.w3c.dom.Document;
+ import org.xml.sax.SAXException;
  
  /**
   * This is an interface provide basic support for JAXP functional test.
   */
  public class JAXPTestUtilities {
*** 73,82 ****
--- 77,117 ----
          return Files.readAllLines(Paths.get(goldfile)).
                  equals(Files.readAllLines(Paths.get(outputfile)));
      }
  
      /**
+      * Compare contents of golden file with test output file by their document
+      * representation. 
+      * Here we ignore the white space and comments. return true if they're  
+      * lexical identical. 
+      * @param goldfile Golden output file name.
+      * @param resultFile Test output file name.
+      * @return true if two file's document representation are identical.
+      *         false if two file's document representation are not identical.
+      * @throws FactoryConfigurationError in case of service configuration error.
+      * or if the implementation is not available or cannot be instantiated.
+      * @throws SAXException If any parse errors occur.
+      * @throws IOException if an I/O error occurs reading from the file or a 
+      *         malformed or unmappable byte sequence is read . 
+      */
+     public static boolean compareDocumentWithGold(String goldfile, String resultFile) 
+             throws ParserConfigurationException, SAXException, IOException {
+         DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+         factory.setNamespaceAware(true);
+         factory.setCoalescing(true);
+         factory.setIgnoringElementContentWhitespace(true);
+         factory.setIgnoringComments(true);
+         DocumentBuilder db = factory.newDocumentBuilder();
+ 
+         Document goldD = db.parse(Paths.get(goldfile).toFile());
+         goldD.normalizeDocument();
+         Document resultD = db.parse(Paths.get(resultFile).toFile());
+         resultD.normalizeDocument();
+         return goldD.isEqualNode(resultD);
+     }
+     
+     /**
       * Prints error message if an exception is thrown
       * @param ex The exception is thrown by test. 
       */
      public static void failUnexpected(Throwable ex) {
          fail(ERROR_MSG_HEADER, ex);