1 /*

     2  * Copyright (c) 2016, 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 8161501

    27  * @summary JSR269 jigsaw update: javax.lang.model.element.ModuleElement.getEnclosedElements() on unnamed module with unnamed package

    28  * @compile UnnamedModuleUnnamedPackageTest.java

    29  * @compile -processor UnnamedModuleUnnamedPackageTest UnnamedModuleUnnamedPackageTest.java EmptyClass.java

    30  */

    31 

    32 import javax.annotation.processing.AbstractProcessor;

    33 import javax.annotation.processing.RoundEnvironment;

    34 import javax.annotation.processing.SupportedAnnotationTypes;

    35 import javax.lang.model.SourceVersion;

    36 import javax.lang.model.element.*;

    37 

    38 import java.util.*;

    39 import java.util.stream.Collectors;

    40 

    41 @SupportedAnnotationTypes("*")

    42 public class UnnamedModuleUnnamedPackageTest extends AbstractProcessor {

    43     static final Set<String> expected = new HashSet<>(Arrays.asList("unnamed package", "pkg1"));

    44 

    45     @Override

    46     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {

    47         for (Element e: roundEnv.getRootElements()) {

    48             Element m = e.getEnclosingElement();

    49             while (!(m instanceof ModuleElement)) {

    50                 m = m.getEnclosingElement();

    51             }

    52             Set<String> found = m.getEnclosedElements().stream()

    53                 .map(p -> ((PackageElement)p).isUnnamed() ?

    54                                         "unnamed package" :

    55                                         ((PackageElement)p).getQualifiedName().toString())

    56                 .collect(Collectors.toSet());

    57             if (!Objects.equals(expected, found)) {

    58                 System.err.println("expected: " + expected);

    59                 System.err.println("found: " + found);

    60                 throw new AssertionError("unexpected packages found");

    61             }

    62         }

    63         return false;

    64     }

    65 

    66     @Override

    67     public SourceVersion getSupportedSourceVersion() {

    68         return SourceVersion.latest();

    69     }

    70 }