/**

 * 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);

    }

}