--- /dev/null 2017-01-21 22:54:52.877512947 -0800 +++ new/test/langtools/tools/javac/processing/model/util/elements/hides/Hides.java 2018-02-22 16:25:52.126833349 -0800 @@ -0,0 +1,122 @@ +/* + * Copyright (c) 2017, 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 8034933 + * @summary Elements hides does not work correctly with interface methods + * @library /tools/javac/lib + * @modules java.compiler + * jdk.compiler + * @build JavacTestingAbstractProcessor Hides + * @compile -processor Hides -proc:only C.java I.java + */ + +import java.util.Set; +import java.util.List; +import javax.annotation.processing.*; +import javax.lang.model.element.*; + +import static javax.lang.model.util.ElementFilter.*; + +public class Hides extends JavacTestingAbstractProcessor { + + VariableElement getField(TypeElement te) { + List fields = fieldsIn(te.getEnclosedElements()); + if (fields.size() != 1) { + throw new AssertionError("Expected only one field in: " + te); + } + return fields.get(0); + } + + ExecutableElement getMethod(TypeElement te) { + List methods = methodsIn(te.getEnclosedElements()); + if (methods.size() != 1) { + throw new AssertionError("Expected only one method in: " + te); + } + return methods.get(0); + } + + TypeElement getIC(TypeElement te) { + List ics = typesIn(te.getEnclosedElements()); + if (ics.size() != 1) { + throw new AssertionError("Expected only one inner class in: " + te); + } + return ics.get(0); + } + + public boolean process(Set tes, + RoundEnvironment round) { + if (round.processingOver()) + return true; + + TypeElement klass = null; + TypeElement intfc = null; + + for (TypeElement te : typesIn(round.getRootElements())) { + switch (te.getKind()) { + case INTERFACE: + intfc = te; + break; + case CLASS: + klass = te; + break; + default: + throw new AssertionError("don't know what this is: " + te); + } + } + + for (Element e : klass.getEnclosedElements()) { + switch (e.getKind()) { + case FIELD: + check(e, getField(intfc)); + break; + case METHOD: + check(e, getMethod(intfc)); + break; + case CLASS: + check(e, getIC(intfc)); + default: + break; + } + } + + if (!status) + throw new Error("Test fails"); + return true; + } + boolean status = true; + + String getFQN(Element e) { + return e.getEnclosingElement() + "." + e; + } + + void check(Element e1, Element e2) { + if (eltUtils.hides(e1, e2)) { + System.err.println("Pass: " + getFQN(e1) + " hides: " + getFQN(e2)); + } else { + System.err.println("Fail: Expected: " + getFQN(e1) + " to hide: " + getFQN(e2)); + status = false; + } + } +}