1 /*
   2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package stream.XMLStreamWriterTest;
  25 
  26 import java.io.ByteArrayOutputStream;
  27 
  28 import javax.xml.stream.XMLOutputFactory;
  29 import javax.xml.stream.XMLStreamWriter;
  30 
  31 import org.testng.Assert;
  32 import org.testng.annotations.Listeners;
  33 import org.testng.annotations.Test;
  34 
  35 /*
  36  * @test
  37  * @library /javax/xml/jaxp/libs /javax/xml/jaxp/unittest
  38  * @run testng/othervm -DrunSecMngr=true stream.XMLStreamWriterTest.EncodingTest
  39  * @run testng/othervm stream.XMLStreamWriterTest.EncodingTest
  40  * @summary Test XMLStreamWriter writes a document with encoding setting.
  41  */
  42 @Listeners({jaxp.library.BasePolicy.class})
  43 public class EncodingTest {
  44 
  45     private static final XMLOutputFactory XML_OUTPUT_FACTORY = XMLOutputFactory.newInstance();
  46 
  47     /*
  48      * Tests writing a document with UTF-8 encoding, by setting UTF-8 on writer.
  49      */
  50     @Test
  51     public void testWriteStartDocumentUTF8() {
  52 
  53         final String EXPECTED_OUTPUT = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><root></root>";
  54         XMLStreamWriter writer = null;
  55         ByteArrayOutputStream byteArrayOutputStream = null;
  56 
  57         try {
  58             byteArrayOutputStream = new ByteArrayOutputStream();
  59             writer = XML_OUTPUT_FACTORY.createXMLStreamWriter(byteArrayOutputStream, "UTF-8");
  60 
  61             writer.writeStartDocument("UTF-8", "1.0");
  62             writer.writeStartElement("root");
  63             writer.writeEndElement();
  64             writer.writeEndDocument();
  65             writer.flush();
  66 
  67             String actualOutput = byteArrayOutputStream.toString();
  68             Assert.assertEquals(EXPECTED_OUTPUT, actualOutput);
  69 
  70         } catch (Exception e) {
  71             e.printStackTrace();
  72             Assert.fail(e.toString());
  73         }
  74 
  75     }
  76 
  77     /*
  78      * Tests writing a document with UTF-8 encoding on default enocding writer.
  79      * This scenario should result in an exception as default encoding is ASCII.
  80      */
  81     @Test
  82     public void testWriteStartDocumentUTF8Fail() {
  83 
  84         XMLStreamWriter writer = null;
  85         ByteArrayOutputStream byteArrayOutputStream = null;
  86 
  87         // pick a different encoding to use v. default encoding
  88         String defaultCharset = java.nio.charset.Charset.defaultCharset().name();
  89         String useCharset = "UTF-8";
  90         if (useCharset.equals(defaultCharset)) {
  91             useCharset = "US-ASCII";
  92         }
  93 
  94         System.out.println("defaultCharset = " + defaultCharset + ", useCharset = " + useCharset);
  95 
  96         try {
  97             byteArrayOutputStream = new ByteArrayOutputStream();
  98             writer = XML_OUTPUT_FACTORY.createXMLStreamWriter(byteArrayOutputStream);
  99 
 100             writer.writeStartDocument(useCharset, "1.0");
 101             writer.writeStartElement("root");
 102             writer.writeEndElement();
 103             writer.writeEndDocument();
 104             writer.flush();
 105 
 106             Assert.fail("Expected XMLStreamException as default underlying stream encoding of " + defaultCharset
 107                     + " differs from explicitly specified encoding of " + useCharset);
 108         } catch (Exception e) {
 109             e.printStackTrace();
 110         }
 111     }
 112 }