| /* |
| * Copyright (c) 2013, 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 8027730 |
| * @summary Test visitor support for intersection types |
| */ |
| |
| import java.lang.annotation.Annotation; |
| import java.util.List; |
| import javax.lang.model.element.*; |
| import javax.lang.model.type.*; |
| import javax.lang.model.util.*; |
| |
| public class TestIntersectionTypeVisitors { |
| public static void main(String... args) throws Exception { |
| IntersectionType it = new TestIntersectionType(); |
| |
| boolean result = it.accept(new TypeKindVisitor8Child(), null) && |
| it.accept(new SimpleTypeVisitor8Child(), null) && |
| it.accept(new SimpleTypeVisitor6Child(), null); |
| |
| if (!result) |
| throw new RuntimeException(); |
| } |
| |
| static class TestIntersectionType implements IntersectionType { |
| TestIntersectionType() {} |
| |
| @Override |
| public List<? extends TypeMirror> getBounds() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public <R,P> R accept(TypeVisitor<R,P> v, |
| P p) { |
| return v.visitIntersection(this, p); |
| } |
| |
| @Override |
| public TypeKind getKind() { |
| return TypeKind.INTERSECTION; |
| } |
| |
| @Override |
| public <A extends Annotation> A getAnnotation(Class<A> annotationType) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public List<? extends AnnotationMirror> getAnnotationMirrors() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public <A extends Annotation> A[] getAnnotationsByType(Class<A> annotationType) { |
| throw new UnsupportedOperationException(); |
| } |
| } |
| |
| static class TypeKindVisitor8Child extends TypeKindVisitor8<Boolean, Void> { |
| TypeKindVisitor8Child() { |
| super(false); |
| } |
| |
| @Override |
| public Boolean visitIntersection(IntersectionType t, Void p) { |
| super.visitIntersection(t, p); // Make sure overridden method doesn't throw an exception |
| return true; |
| } |
| } |
| |
| static class SimpleTypeVisitor8Child extends SimpleTypeVisitor8<Boolean, Void> { |
| SimpleTypeVisitor8Child() { |
| super(false); |
| } |
| |
| @Override |
| public Boolean visitIntersection(IntersectionType t, Void p) { |
| super.visitIntersection(t, p); // Make sure overridden method doesn't throw an exception |
| return true; |
| } |
| } |
| |
| static class SimpleTypeVisitor6Child extends SimpleTypeVisitor6<Boolean, Void> { |
| SimpleTypeVisitor6Child() { |
| super(false); |
| } |
| |
| @Override |
| public Boolean visitIntersection(IntersectionType t, Void p) { |
| try { |
| super.visitIntersection(t, p); |
| return false; |
| } catch (UnknownTypeException ute) { |
| return true; // Expected |
| } |
| } |
| } |
| } |