1/* 2 * Copyright (c) 2006, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* 25 * @test 26 * @bug 6357331 27 * @summary NPE from JavacTask.getElements() after calling CompilationTask.run 28 * @modules jdk.compiler 29 */ 30import java.io.*; 31import java.util.*; 32import javax.tools.*; 33import com.sun.source.util.*; 34 35public class T6357331 36{ 37 public static void main(String... args) throws IOException { 38 JavaCompiler tool = ToolProvider.getSystemJavaCompiler(); 39 PrintWriter out = new PrintWriter(new StringWriter()); 40 List<String> opts = Arrays.asList("-d", "."); 41 try (StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null)) { 42 File thisFile = new File(System.getProperty("test.src"), "T6357331.java"); 43 Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(thisFile); 44 final JavacTask task = (JavacTask) (tool.getTask(out, fm, null, opts, null, files)); 45 46 // set a listener to verify that IllegalStateException is not thrown 47 // during the compilation 48 task.setTaskListener(new TaskListener() { 49 public void started(TaskEvent e) { 50 task.getElements(); 51 task.getTypes(); 52 } 53 public void finished(TaskEvent e) { } 54 }); 55 56 task.call(); 57 58 // now the compilation is over, we expect IllegalStateException (not NPE) 59 try { 60 task.getElements(); 61 throw new AssertionError("IllegalStateException not thrown"); 62 } 63 catch (IllegalStateException e) { 64 // expected 65 } 66 67 try { 68 task.getTypes(); 69 throw new AssertionError("IllegalStateException not thrown"); 70 } 71 catch (IllegalStateException e) { 72 // expected 73 } 74 } 75 } 76} 77