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/*
* 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<VariableElement> 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<ExecutableElement> 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<TypeElement> 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<? extends TypeElement> 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;
}
}
}
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