/*

 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 6411379

 * @summary NPE from JavacTrees.getPath

 * @build T6411379

 * @compile -processor T6411379 -proc:only T6411379 T6411379.java

 */

import java.util.Set;

import javax.annotation.processing.*;

import javax.lang.model.*;

import javax.lang.model.element.*;

import com.sun.source.tree.*;

import com.sun.source.util.*;

@SupportedAnnotationTypes("*")

public class T6411379 extends AbstractProcessor {

    public boolean process(Set<? extends TypeElement> annoElems,

                                    RoundEnvironment renv) {

        Trees trees = Trees.instance(processingEnv);

        for (TypeElement annoElem: annoElems) {

            for (Element te: renv.getRootElements()) {

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

                for (AnnotationMirror anno: te.getAnnotationMirrors()) {

                    // anno is an annotation on te, not on annoElem,

                    // so we expect the following to return null

                    // (and not give NPE)

                    checkNull(trees.getPath(annoElem, anno));

                    checkNull(trees.getTree(annoElem, anno));

                }

            }

        }

        return true;

    }

    @Override

    public SourceVersion getSupportedSourceVersion() {

        return SourceVersion.latest();

    }

    public void checkNull(Object o) {

        if (o != null)

            throw new AssertionError("expected null");

    }

}