src/it/projects/multimodule/massembly-298/verify.bsh

import java.io.*;
import java.util.zip.*;

ZipFile zf = new ZipFile( new File( basedir, "target/massembly-298-1-bin.zip" ) );

ZipEntry child1InclEntry = zf.getEntry( "child1/org/test/child1/App2.class" );

if ( child1InclEntry == null )
{
    System.out.println( "Included file from child1 not found." );
    return false;
}

ZipEntry child1ExclEntry = zf.getEntry( "child1/org/test/child1/App.class" );

if ( child1ExclEntry != null )
{
    System.out.println( "Non-included file from child1 should not be present, but was found." );
    return false;
}

ZipEntry child2InclEntry = zf.getEntry( "child2/org/test/child2/App.class" );

if ( child2InclEntry == null )
{
    System.out.println( "Included file from child2 not found." );
    return false;
}

ZipEntry child2ExclEntry = zf.getEntry( "child2/org/test/other/App.class" );

if ( child2ExclEntry != null )
{
    System.out.println( "Non-included file from child2 should not be present, but was found." );
    return false;
}

return true;