/*

 * Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

/*

 * @test

 * @bug 6357331

 * @summary NPE from JavacTask.getElements() after calling CompilationTask.run

 */

import java.io.*;

import java.util.Arrays;

import javax.tools.*;

import com.sun.source.util.*;

public class T6357331

{

    public static void main(String... args) {

        JavaCompiler tool = ToolProvider.getSystemJavaCompiler();

        PrintWriter out = new PrintWriter(new StringWriter());

        final JavacTask task = (JavacTask) (tool.getTask(out, null, null, null, null, null));

        // set a listener to verify that IllegalStateException is not thrown

        // during the compilation

        task.setTaskListener(new TaskListener() {

                public void started(TaskEvent e) {

                    task.getElements();

                    task.getTypes();

                }

                public void finished(TaskEvent e) { }

            });

        task.call();

        // now the compilation is over, we expect IllegalStateException (not NPE)

        try {

            task.getElements();

            throw new AssertionError("IllegalStateException not thrown");

        }

        catch (IllegalStateException e) {

            // expected

        }

        try {

            task.getTypes();

            throw new AssertionError("IllegalStateException not thrown");

        }

        catch (IllegalStateException e) {

            // expected

        }

    }

}