/**

  * Back 2 Browser Bytecode Translator

  * Copyright (C) 2012-2015 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

  *

  * This program is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, version 2 of the License.

  *

  * This program is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  * GNU General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with this program. Look for COPYING file in the top folder.

  * If not, see http://opensource.org/licenses/GPL-2.0.

  */

 package org.apidesign.bck2brwsr.tck;

 import java.io.ByteArrayOutputStream;

 import java.io.PrintStream;

 import java.io.PrintWriter;

 import java.io.StringWriter;

 import java.io.UnsupportedEncodingException;

 import org.apidesign.bck2brwsr.vmtest.Compare;

 import org.apidesign.bck2brwsr.vmtest.VMTest;

 import org.testng.annotations.Factory;

 /**

  *

  * @author Jaroslav Tulach <jtulach@netbeans.org>

  */

 public class ExceptionsTest {

     @Compare public String firstLineIsTheSame() throws UnsupportedEncodingException {

         MyException ex = new MyException("Hello");

         ByteArrayOutputStream out = new ByteArrayOutputStream();

         PrintStream ps = new PrintStream(out);

         ex.printStackTrace(ps);

         ps.flush();

         String s = new String(out.toByteArray(), "UTF-8");

         int newLine = s.indexOf('\n');

         return s.substring(0, newLine);

     }

     @Compare public String firstLineIsTheSameWithWriter() throws UnsupportedEncodingException {

         MyException ex = new MyException("Hello");

         StringWriter sw = new StringWriter();

         PrintWriter pw = new PrintWriter(sw);

         ex.printStackTrace(pw);

         pw.flush();

         String s = sw.toString();

         int newLine = s.indexOf('\n');

         return s.substring(0, newLine);

     }

     @Compare

     public String classCastMessage() throws Exception {

         Object obj = 10;

         try {

             return (String) obj;

         } catch (ClassCastException ex) {

             assert ex.getMessage().contains("cannot be cast to") : "Contains the right text: " + ex.getMessage();

             throw ex;

         }

     }

     static class MyException extends Exception {

         public MyException(String message) {

             super(message);

         }

     }

     @Factory public static Object[] create() {

         return VMTest.create(ExceptionsTest.class);

     }

 }