/**

 * 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.vmtest.impl;

import java.io.ByteArrayInputStream;

import java.io.IOException;

import java.io.InputStream;

import org.apidesign.bck2brwsr.emul.zip.FastJar;

import org.testng.annotations.Test;

import static org.testng.Assert.*;

/**

 *

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

 */

@GenerateZip(name = "five.zip", contents = {

    "1.txt", "one",

    "2.txt", "duo",

    "3.txt", "three",

    "4.txt", "four",

    "5.txt", "five"

})

public class ZipEntryTest {

    @Test

    public void readEntriesEffectively() throws IOException {

        InputStream is = ZipEntryTest.class.getResourceAsStream("five.zip");

        byte[] arr = new byte[is.available()];

        int len = is.read(arr);

        assertEquals(len, arr.length, "Read fully");

        FastJar fj = new FastJar(arr);

        FastJar.Entry[] entrs = fj.list();

        assertEquals(5, entrs.length, "Five entries");

        for (int i = 1; i <= 5; i++) {

            FastJar.Entry en = entrs[i - 1];

            assertEquals(en.name, i + ".txt");

//            assertEquals(cis.cnt, 0, "Content of the file should be skipped, not read");

        }

        assertContent("three", fj.getInputStream(entrs[3 - 1]), "read OK");

        assertContent("five", fj.getInputStream(entrs[5 - 1]), "read OK");

    }

    private static void assertContent(String exp, InputStream is, String msg) throws IOException {

        byte[] arr = new byte[512];

        int len = is.read(arr);

        String s = new String(arr, 0, len);

        assertEquals(exp, s, msg);

    }

}