duke@1: /*
duke@1:  * Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
duke@1:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1:  *
duke@1:  * This code is free software; you can redistribute it and/or modify it
duke@1:  * under the terms of the GNU General Public License version 2 only, as
duke@1:  * published by the Free Software Foundation.
duke@1:  *
duke@1:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@1:  * version 2 for more details (a copy is included in the LICENSE file that
duke@1:  * accompanied this code).
duke@1:  *
duke@1:  * You should have received a copy of the GNU General Public License version
duke@1:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@1:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1:  *
duke@1:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@1:  * CA 95054 USA or visit www.sun.com if you need additional information or
duke@1:  * have any questions.
duke@1:  */
duke@1: 
duke@1: /*
duke@1:  * @test
duke@1:  * @bug 6357331
duke@1:  * @summary NPE from JavacTask.getElements() after calling CompilationTask.run
duke@1:  */
duke@1: import java.io.*;
duke@1: import java.util.Arrays;
duke@1: import javax.tools.*;
duke@1: import com.sun.source.util.*;
duke@1: 
duke@1: public class T6357331
duke@1: {
duke@1:     public static void main(String... args) {
duke@1:         JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
duke@1:         PrintWriter out = new PrintWriter(new StringWriter());
duke@1:         final JavacTask task = (JavacTask) (tool.getTask(out, null, null, null, null, null));
duke@1: 
duke@1:         // set a listener to verify that IllegalStateException is not thrown
duke@1:         // during the compilation
duke@1:         task.setTaskListener(new TaskListener() {
duke@1:                 public void started(TaskEvent e) {
duke@1:                     task.getElements();
duke@1:                     task.getTypes();
duke@1:                 }
duke@1:                 public void finished(TaskEvent e) { }
duke@1:             });
duke@1: 
duke@1:         task.call();
duke@1: 
duke@1:         // now the compilation is over, we expect IllegalStateException (not NPE)
duke@1:         try {
duke@1:             task.getElements();
duke@1:             throw new AssertionError("IllegalStateException not thrown");
duke@1:         }
duke@1:         catch (IllegalStateException e) {
duke@1:             // expected
duke@1:         }
duke@1: 
duke@1:         try {
duke@1:             task.getTypes();
duke@1:             throw new AssertionError("IllegalStateException not thrown");
duke@1:         }
duke@1:         catch (IllegalStateException e) {
duke@1:             // expected
duke@1:         }
duke@1:     }
duke@1: }