| /* |
| * 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 8172910 |
| * @summary Test behavior of default methods on visitors. |
| * @modules java.compiler |
| */ |
| |
| import java.util.List; |
| import javax.lang.model.SourceVersion; |
| import javax.lang.model.element.*; |
| import javax.lang.model.type.*; |
| import javax.lang.model.util.*; |
| |
| /** |
| * Verify expected behavior of default methods on visitors. |
| */ |
| public class TestVisitorDefaults { |
| public static void main(String... args) { |
| DirectElementVisitorChild dvc = new DirectElementVisitorChild(); |
| if (!"visitUnknown".equals(dvc.visitModule(null, null))) { |
| throw new RuntimeException("Problem with DirectElementVisitorChild"); |
| } |
| if (!"visit".equals(dvc.visit(null))) { |
| throw new RuntimeException("Problem with DirectElementVisitorChild"); |
| } |
| |
| IndirectElementVisitorChild ivc = new IndirectElementVisitorChild(); |
| if (!"visitUnknown".equals(ivc.visitModule(null, null))) { |
| throw new RuntimeException("Problem with IndirectElementVisitorChild"); |
| } |
| |
| DirectTypeVisitorChild dtvc = new DirectTypeVisitorChild(); |
| if (!"visit".equals(dtvc.visit(null))) { |
| throw new RuntimeException("Problem with DirectTypeVisitorChild"); |
| } |
| |
| DirectAnnotationVisitorChild davc = new DirectAnnotationVisitorChild(); |
| if (!"visit".equals(davc.visit(null))) { |
| throw new RuntimeException("Problem with DirectAnnotationVisitorChild"); |
| } |
| } |
| |
| private static class DirectElementVisitorChild |
| implements ElementVisitor<String, Object> { |
| |
| public DirectElementVisitorChild() { |
| super(); |
| } |
| |
| @Override |
| public String visitModule(ModuleElement e, Object o) { |
| return ElementVisitor.super.visitModule(e, null); |
| } |
| |
| @Override |
| public String visitUnknown(Element e, Object o) { |
| return "visitUnknown"; |
| } |
| |
| @Override |
| public String visit(Element e) { |
| return ElementVisitor.super.visit(e); |
| } |
| |
| @Override |
| public String visit(Element e, Object o) { |
| return "visit"; |
| } |
| |
| @Override |
| public String visitExecutable(ExecutableElement e, Object o) { return throwUOE(); } |
| @Override |
| public String visitPackage(PackageElement e, Object o) { return throwUOE(); } |
| @Override |
| public String visitType(TypeElement e, Object o) { return throwUOE(); } |
| @Override |
| public String visitTypeParameter(TypeParameterElement e, Object o) { return throwUOE(); } |
| @Override |
| public String visitVariable(VariableElement e, Object o) { return throwUOE(); } |
| } |
| |
| private static class IndirectElementVisitorChild |
| extends AbstractElementVisitor6<String, Object> { |
| |
| public IndirectElementVisitorChild() { |
| super(); |
| } |
| |
| @Override |
| public String visitModule(ModuleElement e, Object o) { |
| return super.visitModule(e, o); |
| } |
| |
| |
| @Override |
| public String visitUnknown(Element e, Object o) { |
| return "visitUnknown"; |
| } |
| |
| @Override |
| public String visitExecutable(ExecutableElement e, Object o) { return throwUOE(); } |
| @Override |
| public String visitPackage(PackageElement e, Object o) { return throwUOE(); } |
| @Override |
| public String visitType(TypeElement e, Object o) { return throwUOE(); } |
| @Override |
| public String visitTypeParameter(TypeParameterElement e, Object o) { return throwUOE(); } |
| @Override |
| public String visitVariable(VariableElement e, Object o) { return throwUOE(); } |
| } |
| |
| |
| private static class DirectTypeVisitorChild |
| implements TypeVisitor<String, Object> { |
| |
| public DirectTypeVisitorChild() { |
| super(); |
| } |
| |
| @Override |
| public String visit(TypeMirror t) { |
| return TypeVisitor.super.visit(t); |
| } |
| |
| @Override |
| public String visit(TypeMirror t, Object o) { |
| return "visit"; |
| } |
| |
| @Override |
| public String visitUnknown(TypeMirror t, Object o) { return throwUOE(); } |
| @Override |
| public String visitArray(ArrayType t, Object o) { return throwUOE(); } |
| @Override |
| public String visitDeclared(DeclaredType t, Object o) { return throwUOE(); } |
| @Override |
| public String visitError(ErrorType t, Object o) { return throwUOE(); } |
| @Override |
| public String visitExecutable(ExecutableType t, Object o) { return throwUOE(); } |
| @Override |
| public String visitIntersection(IntersectionType t, Object o) { return throwUOE(); } |
| @Override |
| public String visitNoType(NoType t, Object o) { return throwUOE(); } |
| @Override |
| public String visitNull(NullType t, Object o) { return throwUOE(); } |
| @Override |
| public String visitPrimitive(PrimitiveType t, Object o) { return throwUOE(); } |
| @Override |
| public String visitTypeVariable(TypeVariable t, Object o) { return throwUOE(); } |
| @Override |
| public String visitUnion(UnionType t, Object o) { return throwUOE(); } |
| @Override |
| public String visitWildcard(WildcardType t, Object o) { return throwUOE(); } |
| } |
| |
| private static class DirectAnnotationVisitorChild |
| implements AnnotationValueVisitor<String, Object> { |
| |
| @Override |
| public String visit(AnnotationValue av) { |
| return AnnotationValueVisitor.super.visit(av); |
| } |
| |
| @Override |
| public String visit(AnnotationValue av, Object o) { |
| return "visit"; |
| } |
| |
| @Override |
| public String visitAnnotation(AnnotationMirror a, Object o) { return throwUOE(); } |
| @Override |
| public String visitArray(List<? extends AnnotationValue> vals, |
| Object o) { return throwUOE(); } |
| @Override |
| public String visitBoolean(boolean b, Object o) { return throwUOE(); } |
| @Override |
| public String visitByte(byte b, Object o) { return throwUOE(); } |
| @Override |
| public String visitChar(char c, Object o) { return throwUOE(); } |
| @Override |
| public String visitDouble(double d, Object o) { return throwUOE(); } |
| @Override |
| public String visitEnumConstant(VariableElement c, Object o) { return throwUOE(); } |
| @Override |
| public String visitFloat(float f, Object o) { return throwUOE(); } |
| @Override |
| public String visitInt(int i, Object o) { return throwUOE(); } |
| @Override |
| public String visitLong(long i, Object o) { return throwUOE(); } |
| @Override |
| public String visitShort(short s, Object o) { return throwUOE(); } |
| @Override |
| public String visitString(String s, Object o) { return throwUOE(); } |
| @Override |
| public String visitType(TypeMirror t, Object o) { return throwUOE(); } |
| @Override |
| public String visitUnknown(AnnotationValue av, Object o) { return throwUOE(); } |
| } |
| |
| private static String throwUOE() { |
| throw new UnsupportedOperationException(); |
| } |
| } |