openide.text/test/unit/src/org/openide/text/Deadlock47515Test.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */


package org.openide.text;


import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import javax.swing.text.*;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
import javax.swing.text.Position;
import javax.swing.text.StyledDocument;

import junit.textui.TestRunner;

import org.netbeans.junit.NbTestCase;
import org.netbeans.junit.NbTestSuite;

import org.openide.text.CloneableEditorSupport;
import org.openide.text.FilterDocument;
import org.openide.text.NbDocument;
import org.openide.util.RequestProcessor;

/**
 * Try opening a document while holding private lock that may be needed
 * for resolving messageName
 *
 * @author  Petr Nejedly
 */
public class Deadlock47515Test extends NbTestCase implements CloneableEditorSupport.Env {
    static {
        System.setProperty("org.openide.windows.DummyWindowManager.VISIBLE", "false");
    }
    private Object myPrivateLock = new Object();
    
    /** the support to work with */
    private CES support;
    // Env variables
    private String content = "Hello";
    private boolean valid = true;
    private boolean modified = false;
    /** if not null contains message why this document cannot be modified */
    private java.util.Date date = new java.util.Date ();
    private java.util.List/*<java.beans.PropertyChangeListener>*/ propL = new java.util.ArrayList ();
    private java.beans.VetoableChangeListener vetoL;
    
    /** Creates new TextTest */
    public Deadlock47515Test(String s) {
        super(s);
    }
    
    public static void main(String[] args) {
        TestRunner.run(new NbTestSuite(Deadlock47515Test.class));
    }

    protected void setUp () {
        support = new CES (this, org.openide.util.Lookup.EMPTY);
    }
        
    public void testDeadlock47515() throws Exception {
        synchronized(myPrivateLock) {
            try {
                support.openDocument();
            } catch (IOException ioe) {
                // OK
            }
        }
    }
    

    //
    // Implementation of the CloneableEditorSupport.Env
    //
    
    public synchronized void addPropertyChangeListener(java.beans.PropertyChangeListener l) {
        propL.add (l);
    }    
    public synchronized void removePropertyChangeListener(java.beans.PropertyChangeListener l) {
        propL.remove (l);
    }
    
    public synchronized void addVetoableChangeListener(java.beans.VetoableChangeListener l) {
        assertNull ("This is the first veto listener", vetoL);
        vetoL = l;
    }
    public void removeVetoableChangeListener(java.beans.VetoableChangeListener l) {
        assertEquals ("Removing the right veto one", vetoL, l);
        vetoL = null;
    }
    
    public org.openide.windows.CloneableOpenSupport findCloneableOpenSupport() {
        return support;
    }
    
    public String getMimeType() {
        return "text/plain";
    }
    
    public java.util.Date getTime() {
        return date;
    }
    
    public java.io.InputStream inputStream() throws java.io.IOException {
        throw new IOException("Can't load");
    }
    public java.io.OutputStream outputStream() throws java.io.IOException {
        return new ByteArrayOutputStream();
    }
    
    public boolean isValid() {
        return valid;
    }
    
    public boolean isModified() {
        return modified;
    }

    public void markModified() throws java.io.IOException {
        modified = true;
    }
    
    public void unmarkModified() {
        modified = false;
    }

    /** Implementation of the CES */
    private final class CES extends CloneableEditorSupport {
        
        public CES (Env env, org.openide.util.Lookup l) {
            super (env, l);
        }
        
        protected String messageName() {
            synchronized(myPrivateLock) {
                return "Name";
            }
        }
        
        protected String messageOpened() {
                return "Opened";
        }
        
        protected String messageOpening() {
            return "Opening";
        }
        
        protected String messageSave() {
            return "Save";
        }
        
        protected String messageToolTip() {
            return "ToolTip";
        }        
        
        
    } // end of CES
}