Strip unwanted classNames from all nodes

javatests/org/chromium/distiller/ContentExtractorTest.java

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.distiller;
 
 import com.google.gwt.dom.client.Document;
 import com.google.gwt.dom.client.Element;
 
 public class ContentExtractorTest extends DomDistillerJsTestCase {
@@ skipping 633 matching lines @@
             "<p>" + CONTENT_TEXT + "</p>" +
             "<iframe>dummy</iframe>" +
             "<p>" + CONTENT_TEXT + "</p>";
 
         final String expected =
             "<p>" + CONTENT_TEXT + "</p>" +
             "<p>" + CONTENT_TEXT + "</p>";
 
         assertExtractor(expected, html);
     }
+
+    public void testStripUnwantedClassNames() {
+        final String html =
+            "<p class=\"test\">" + CONTENT_TEXT + "</p>" +
+            "<p class=\"iscaption\">" + CONTENT_TEXT + "</p>";
+
+        final String expected =
+            "<p>" + CONTENT_TEXT + "</p>" +
+            "<p class=\"caption\">" + CONTENT_TEXT + "</p>";
+
+        assertExtractor(expected, html);
+    }
 }