/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2004 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.openide.filesystems;

import java.io.File;
import org.netbeans.junit.NbTestCase;

/**
 * Test that file events are propagated up a tree.
 * @author Jesse Glick
 */
public class HierarchicalFileEventsTest extends NbTestCase {
    
    public HierarchicalFileEventsTest(String name) {
        super(name);
    }
    
    private File scratch;
    private LocalFileSystem lfs;
    private FileObject root;
    protected void setUp() throws Exception {
        super.setUp();
        clearWorkDir();
        scratch = getWorkDir();
        lfs = new LocalFileSystem();
        lfs.setRootDirectory(scratch);
        root = lfs.getRoot();
    }
    
    /**
     * Checks that a file creation event is passed up the tree to any listeners
     * that may be found.
     */
    public void testFileCreatedEventPassedUp() throws Exception {
        L l = new L();
        root.addFileChangeListener(l); // NOT lfs.addFileChangeListener(l)
        FileObject subdir = root.createFolder("subdir");
        assertEquals("got a folder creation event with the right source", root, l.source);
        assertEquals("got a folder creation event with the right target", subdir, l.target);
        l.source = null;
        l.target = null;
        FileObject file = subdir.createData("file");
        assertEquals("got a file creation event with the right source", root, l.source);
        assertEquals("got a file creation event with the right target", file, l.target);
    }
    
    private static final class L extends FileChangeAdapter {
        
        public FileObject source, target;
        
        L() {}
        
        public void fileDataCreated(FileEvent fe) {
            source = (FileObject)fe.getSource();
            target = fe.getFile();
        }
        
        public void fileFolderCreated(FileEvent fe) {
            source = (FileObject)fe.getSource();
            target = fe.getFile();
        }
        
    }
    
}