68             Element xmlRoot = doc.createElement("root");
  69             xmlRoot.setAttribute(attrKey, attrValue);
  70             doc.appendChild(xmlRoot);
  71 
  72             // Serialize DOM into a byte array
  73             ByteArrayOutputStream baos = new ByteArrayOutputStream();
  74             t.setOutputProperty("encoding", "utf-8");
  75             t.transform(new DOMSource(doc), new StreamResult(baos));
  76 
  77             // Re-parse byte array back into a DOM
  78             ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
  79             doc = dbf.newDocumentBuilder().parse(bais);
  80             String newValue = doc.getDocumentElement().getAttribute(attrKey);
  81             Assert.assertTrue(newValue.charAt(0) == '\ud800' && newValue.charAt(1) == '\udc00');
  82         } catch (Exception e) {
  83             Assert.fail(e.getMessage());
  84         }
  85     }
  86 
  87 }
  88 

  68             Element xmlRoot = doc.createElement("root");
  69             xmlRoot.setAttribute(attrKey, attrValue);
  70             doc.appendChild(xmlRoot);
  71 
  72             // Serialize DOM into a byte array
  73             ByteArrayOutputStream baos = new ByteArrayOutputStream();
  74             t.setOutputProperty("encoding", "utf-8");
  75             t.transform(new DOMSource(doc), new StreamResult(baos));
  76 
  77             // Re-parse byte array back into a DOM
  78             ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
  79             doc = dbf.newDocumentBuilder().parse(bais);
  80             String newValue = doc.getDocumentElement().getAttribute(attrKey);
  81             Assert.assertTrue(newValue.charAt(0) == '\ud800' && newValue.charAt(1) == '\udc00');
  82         } catch (Exception e) {
  83             Assert.fail(e.getMessage());
  84         }
  85     }
  86 
  87 }