/*

 * 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 6440583

 * @summary better error recovery

 */

import java.io.*;

import java.util.*;

import javax.tools.*;

import com.sun.source.tree.*;

import com.sun.source.util.*;

import com.sun.tools.javac.api.*;

import com.sun.tools.javac.tree.JCTree.*;

public class T6440583 {

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

        String testSrc = System.getProperty("test.src", ".");

        String testClasses = System.getProperty("test.classes", ".");

        JavacTool tool = JavacTool.create();

        StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);

        Iterable<? extends JavaFileObject> files =

            fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, "A.java")));

        JavacTask task = tool.getTask(null, fm, null, null, null, files);

        Iterable<? extends Tree> trees = task.parse();

        TreeScanner<Boolean,Void> checker = new TreeScanner<Boolean,Void>() {

            public Boolean visitErroneous(ErroneousTree tree, Void ignore) {

                JCErroneous etree = (JCErroneous) tree;

                List<? extends Tree> errs = etree.getErrorTrees();

                System.err.println("errs: " + errs);

                if (errs == null || errs.size() == 0)

                    throw new AssertionError("no error trees found");

                found = true;

                return true;

            }

        };

        for (Tree tree: trees)

            checker.scan(tree, null);

        if (!found)

            throw new AssertionError("no ErroneousTree nodes found");

    }

    private static boolean found;

}