/**

 * Back 2 Browser Bytecode Translator

 * Copyright (C) 2012 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.compact.tck;

import java.io.ByteArrayInputStream;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.OutputStreamWriter;

import java.io.UnsupportedEncodingException;

import java.util.Arrays;

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 ReaderTest {

    @Compare public String readUTFString() throws IOException {

        byte[] arr = { 

            (byte)-59, (byte)-67, (byte)108, (byte)117, (byte)-59, (byte)-91, 

            (byte)111, (byte)117, (byte)-60, (byte)-115, (byte)107, (byte)-61, 

            (byte)-67, (byte)32, (byte)107, (byte)-59, (byte)-81, (byte)-59, 

            (byte)-120 

        };

        ByteArrayInputStream is = new ByteArrayInputStream(arr);

        InputStreamReader r = new InputStreamReader(is, "UTF-8");

        return readReader(r);        

    }

    private String readReader(InputStreamReader r) throws IOException {

        StringBuilder sb = new StringBuilder();

        for (;;) {

            int ch = r.read();

            if (ch == -1) {

                break;

            }

            sb.append((char)ch);

        }

        return sb.toString().toString();

    }

    @Compare public String stringToBytes() throws UnsupportedEncodingException {

        return Arrays.toString(YellowHorse.getBytes("UTF-8"));

    }

    private final String YellowHorse = "\u017dlu\u0165ou\u010dk\u00fd k\u016f\u0148";

    @Compare public String readAndWrite() throws Exception {

        ByteArrayOutputStream arr = new ByteArrayOutputStream();

        OutputStreamWriter w = new OutputStreamWriter(arr);

        w.write(YellowHorse);

        w.close();

        ByteArrayInputStream is = new ByteArrayInputStream(arr.toByteArray());

        InputStreamReader r = new InputStreamReader(is, "UTF-8");

        return readReader(r);

    }

    @Factory public static Object[] create() {

        return VMTest.create(ReaderTest.class);

    }

}