ArWriterTest.java

package org.codehaus.mojo.deb.jdpkg.ar;

import junit.framework.TestCase;

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;

/**
 * @author <a href="mailto:trygve.laugstol@arktekk.no">Trygve Laugstøl</a>
 * @version $Id$
 */
public class ArWriterTest extends TestCase {
    private static File yo = new File("yo.deb");
    private static File yo2 = new File("yo2.deb");
    private static File hello = new File("hello.txt");

    public static void writeFiles() throws Exception {
        if (yo.exists()) assertTrue(yo.delete());
        if (yo2.exists()) assertTrue(yo2.delete());
        if (hello.exists()) assertTrue(hello.delete());

        Writer writer = new OutputStreamWriter(new FileOutputStream(hello), "UTF-16");
        writer.write("Hello World!");
        writer.close();
    }

    public ArWriterTest() throws Exception {
        writeFiles();
    }

    public void test1() throws Exception {
        ArWriter writer = new ArWriter(yo);
        writer.close();

        assertTrue(yo.canRead());
        assertEquals(8, yo.length());
    }

    public void test2() throws Exception {
        ArWriter writer = new ArWriter(yo);
        writer.close();

        ArFile yoFile = new ArFile();
        yoFile.file = yo;
        yoFile.name = yo.getName();

        ArFile helloFile = new ArFile();
        helloFile.file = hello;
        helloFile.name = hello.getName();

        writer = new ArWriter(yo2);
        writer.add(yoFile);
        writer.add(helloFile);
        writer.close();

        assertTrue(yo2.canRead());
        int expectedSize =
                8 +      // ar magic
                        60 + 8 + // entry header + data
                        60 + 26;
        assertEquals(expectedSize, yo2.length());
    }
}