test/tools/javac/processing/model/util/OverridesSpecEx.java

Fri, 21 Dec 2012 08:45:43 -0800

author
darcy
date
Fri, 21 Dec 2012 08:45:43 -0800
changeset 1466
b52a38d4536c
parent 699
d2aaaec153e8
child 2525
2eb010b6cb22
permissions
-rw-r--r--

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

duke@1 1 /*
darcy@699 2 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
duke@1 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1 4 *
duke@1 5 * This code is free software; you can redistribute it and/or modify it
duke@1 6 * under the terms of the GNU General Public License version 2 only, as
duke@1 7 * published by the Free Software Foundation.
duke@1 8 *
duke@1 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@1 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@1 13 * accompanied this code).
duke@1 14 *
duke@1 15 * You should have received a copy of the GNU General Public License version
duke@1 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@1 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1 18 *
ohair@554 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554 20 * or visit www.oracle.com if you need additional information or have any
ohair@554 21 * questions.
duke@1 22 */
duke@1 23
duke@1 24 /*
duke@1 25 * @test
duke@1 26 * @bug 6453386
duke@1 27 * @summary Verify that example code in Elements.overrides works as spec'ed.
duke@1 28 * @author Scott Seligman
darcy@1466 29 * @library /tools/javac/lib
darcy@699 30 * @build JavacTestingAbstractProcessor
duke@1 31 * @compile -g OverridesSpecEx.java
duke@1 32 * @compile -processor OverridesSpecEx -proc:only OverridesSpecEx.java
duke@1 33 */
duke@1 34
duke@1 35 import java.util.Set;
duke@1 36 import javax.annotation.processing.*;
duke@1 37 import javax.lang.model.SourceVersion;
duke@1 38 import javax.lang.model.element.*;
duke@1 39 import javax.lang.model.type.*;
duke@1 40 import javax.lang.model.util.*;
duke@1 41
duke@1 42 import static javax.lang.model.util.ElementFilter.*;
duke@1 43
darcy@699 44 public class OverridesSpecEx extends JavacTestingAbstractProcessor {
duke@1 45 public boolean process(Set<? extends TypeElement> annoTypes,
duke@1 46 RoundEnvironment round) {
duke@1 47 if (!round.processingOver())
duke@1 48 doit(annoTypes, round);
duke@1 49 return true;
duke@1 50 }
duke@1 51
duke@1 52 private void doit(Set<? extends TypeElement> annoTypes,
duke@1 53 RoundEnvironment round) {
duke@1 54 TypeElement string = elements.getTypeElement("java.lang.String");
duke@1 55 TypeElement object = elements.getTypeElement("java.lang.Object");
duke@1 56
duke@1 57 ExecutableElement m1 = null;
duke@1 58 ExecutableElement m2 = null;
duke@1 59 for (ExecutableElement m : methodsIn(string.getEnclosedElements())) {
duke@1 60 if (m.getSimpleName().contentEquals("hashCode")) {
duke@1 61 m1 = m;
duke@1 62 break;
duke@1 63 }
duke@1 64 }
duke@1 65 for (ExecutableElement m : methodsIn(object.getEnclosedElements())) {
duke@1 66 if (m.getSimpleName().contentEquals("hashCode")) {
duke@1 67 m2 = m;
duke@1 68 break;
duke@1 69 }
duke@1 70 }
duke@1 71
duke@1 72 boolean res =
duke@1 73 elements.overrides(m1, m2, (TypeElement) m1.getEnclosingElement());
duke@1 74 System.out.println("String.hashCode overrides Object.hashCode? " + res);
duke@1 75 checkResult(res);
duke@1 76
duke@1 77 TypeElement a = elements.getTypeElement("OverridesSpecEx.A");
duke@1 78 TypeElement b = elements.getTypeElement("OverridesSpecEx.B");
duke@1 79 TypeElement c = elements.getTypeElement("OverridesSpecEx.C");
duke@1 80
duke@1 81 m1 = null;
duke@1 82 m2 = null;
duke@1 83 for (ExecutableElement m : methodsIn(a.getEnclosedElements()))
duke@1 84 m1 = m;
duke@1 85 for (ExecutableElement m : methodsIn(b.getEnclosedElements()))
duke@1 86 m2 = m;
duke@1 87
duke@1 88 res = elements.overrides(m1, m2, a);
duke@1 89 System.out.println("A.m overrides B.m in B? " + res);
duke@1 90 checkResult(!res);
duke@1 91 res = elements.overrides(m1, m2, c);
duke@1 92 System.out.println("A.m overrides B.m in C? " + res);
duke@1 93 checkResult(res);
duke@1 94 }
duke@1 95
duke@1 96 private static void checkResult(boolean truthiness) {
duke@1 97 if (!truthiness)
duke@1 98 throw new AssertionError("Bogus result");
duke@1 99 }
duke@1 100
duke@1 101 // Fodder for the processor
duke@1 102 class A {
duke@1 103 public void m() {}
duke@1 104 }
duke@1 105 interface B {
duke@1 106 void m();
duke@1 107 }
duke@1 108 class C extends A implements B {
duke@1 109 }
duke@1 110 }

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