jdk8-mips64-public/langtools: test/tools/javac/processing/model/util/OverridesSpecEx.java@b52a38d4536c

8005282: Use @library tag with non-relative path for javac tests
Reviewed-by: jjg

     1 /*

     2  * Copyright (c) 2006, 2010, 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  */

    24 /*

    25  * @test

    26  * @bug     6453386

    27  * @summary Verify that example code in Elements.overrides works as spec'ed.

    28  * @author  Scott Seligman

    29  * @library /tools/javac/lib

    30  * @build JavacTestingAbstractProcessor

    31  * @compile -g OverridesSpecEx.java

    32  * @compile -processor OverridesSpecEx -proc:only OverridesSpecEx.java

    33  */

    35 import java.util.Set;

    36 import javax.annotation.processing.*;

    37 import javax.lang.model.SourceVersion;

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

    39 import javax.lang.model.type.*;

    40 import javax.lang.model.util.*;

    42 import static javax.lang.model.util.ElementFilter.*;

    44 public class OverridesSpecEx extends JavacTestingAbstractProcessor {

    45     public boolean process(Set<? extends TypeElement> annoTypes,

    46                            RoundEnvironment round) {

    47         if (!round.processingOver())

    48             doit(annoTypes, round);

    49         return true;

    50     }

    52     private void doit(Set<? extends TypeElement> annoTypes,

    53                       RoundEnvironment round) {

    54         TypeElement string = elements.getTypeElement("java.lang.String");

    55         TypeElement object = elements.getTypeElement("java.lang.Object");

    57         ExecutableElement m1 = null;

    58         ExecutableElement m2 = null;

    59         for (ExecutableElement m : methodsIn(string.getEnclosedElements())) {

    60             if (m.getSimpleName().contentEquals("hashCode")) {

    61                 m1 = m;

    62                 break;

    63             }

    64         }

    65         for (ExecutableElement m : methodsIn(object.getEnclosedElements())) {

    66             if (m.getSimpleName().contentEquals("hashCode")) {

    67                 m2 = m;

    68                 break;

    69             }

    70         }

    72         boolean res =

    73             elements.overrides(m1, m2, (TypeElement) m1.getEnclosingElement());

    74         System.out.println("String.hashCode overrides Object.hashCode?  " + res);

    75         checkResult(res);

    77         TypeElement a = elements.getTypeElement("OverridesSpecEx.A");

    78         TypeElement b = elements.getTypeElement("OverridesSpecEx.B");

    79         TypeElement c = elements.getTypeElement("OverridesSpecEx.C");

    81         m1 = null;

    82         m2 = null;

    83         for (ExecutableElement m : methodsIn(a.getEnclosedElements()))

    84             m1 = m;

    85         for (ExecutableElement m : methodsIn(b.getEnclosedElements()))

    86             m2 = m;

    88         res = elements.overrides(m1, m2, a);

    89         System.out.println("A.m overrides B.m in B?  " + res);

    90         checkResult(!res);

    91         res = elements.overrides(m1, m2, c);

    92         System.out.println("A.m overrides B.m in C?  " + res);

    93         checkResult(res);

    94     }

    96     private static void checkResult(boolean truthiness) {

    97         if (!truthiness)

    98             throw new AssertionError("Bogus result");

    99     }

   101     // Fodder for the processor

   102     class A {

   103         public void m() {}

   104     }

   105     interface B {

   106         void m();

   107     }

   108     class C extends A implements B {

   109     }

   110 }

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