duke@1: /*
ohair@554:  * Copyright (c) 2006, Oracle and/or its affiliates. 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:  *
ohair@554:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554:  * or visit www.oracle.com if you need additional information or have any
ohair@554:  * questions.
duke@1:  */
duke@1: 
duke@1: /*
duke@1:  * @test
duke@1:  * @bug 6440583
duke@1:  * @summary better error recovery
duke@1:  */
duke@1: 
duke@1: import java.io.*;
duke@1: import java.util.*;
duke@1: import javax.tools.*;
duke@1: import com.sun.source.tree.*;
duke@1: import com.sun.source.util.*;
duke@1: import com.sun.tools.javac.api.*;
duke@1: import com.sun.tools.javac.tree.JCTree.*;
duke@1: 
duke@1: public class T6440583 {
duke@1:     public static void main(String... args) throws Exception {
duke@1:         String testSrc = System.getProperty("test.src", ".");
duke@1:         String testClasses = System.getProperty("test.classes", ".");
duke@1:         JavacTool tool = JavacTool.create();
duke@1:         StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
duke@1:         Iterable<? extends JavaFileObject> files =
duke@1:             fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, "A.java")));
duke@1:         JavacTask task = tool.getTask(null, fm, null, null, null, files);
duke@1: 
duke@1:         Iterable<? extends Tree> trees = task.parse();
duke@1: 
duke@1:         TreeScanner<Boolean,Void> checker = new TreeScanner<Boolean,Void>() {
duke@1:             public Boolean visitErroneous(ErroneousTree tree, Void ignore) {
duke@1:                 JCErroneous etree = (JCErroneous) tree;
duke@1:                 List<? extends Tree> errs = etree.getErrorTrees();
duke@1:                 System.err.println("errs: " + errs);
duke@1:                 if (errs == null || errs.size() == 0)
duke@1:                     throw new AssertionError("no error trees found");
duke@1:                 found = true;
duke@1:                 return true;
duke@1:             }
duke@1:         };
duke@1: 
duke@1:         for (Tree tree: trees)
duke@1:             checker.scan(tree, null);
duke@1: 
duke@1:         if (!found)
duke@1:             throw new AssertionError("no ErroneousTree nodes found");
duke@1:     }
duke@1: 
duke@1:     private static boolean found;
duke@1: }