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

Thu, 07 Nov 2013 20:11:56 -0800

author
darcy
date
Thu, 07 Nov 2013 20:11:56 -0800
changeset 2184
e39bd9401ea5
parent 0
959103a6100f
permissions
-rw-r--r--

8027730: Fix release-8 type visitors to support intersection types
Reviewed-by: jjg, jlahoda, sogoel

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24 /*
aoqi@0 25 * @test
aoqi@0 26 * @bug 8027730
aoqi@0 27 * @summary Test visitor support for intersection types
aoqi@0 28 */
aoqi@0 29
aoqi@0 30 import java.lang.annotation.Annotation;
aoqi@0 31 import java.util.List;
aoqi@0 32 import javax.lang.model.element.*;
aoqi@0 33 import javax.lang.model.type.*;
aoqi@0 34 import javax.lang.model.util.*;
aoqi@0 35
aoqi@0 36 public class TestIntersectionTypeVisitors {
aoqi@0 37 public static void main(String... args) throws Exception {
aoqi@0 38 IntersectionType it = new TestIntersectionType();
aoqi@0 39
aoqi@0 40 boolean result = it.accept(new TypeKindVisitor8Child(), null) &&
aoqi@0 41 it.accept(new SimpleTypeVisitor8Child(), null) &&
aoqi@0 42 it.accept(new SimpleTypeVisitor6Child(), null);
aoqi@0 43
aoqi@0 44 if (!result)
aoqi@0 45 throw new RuntimeException();
aoqi@0 46 }
aoqi@0 47
aoqi@0 48 static class TestIntersectionType implements IntersectionType {
aoqi@0 49 TestIntersectionType() {}
aoqi@0 50
aoqi@0 51 @Override
aoqi@0 52 public List<? extends TypeMirror> getBounds() {
aoqi@0 53 throw new UnsupportedOperationException();
aoqi@0 54 }
aoqi@0 55
aoqi@0 56 @Override
aoqi@0 57 public <R,P> R accept(TypeVisitor<R,P> v,
aoqi@0 58 P p) {
aoqi@0 59 return v.visitIntersection(this, p);
aoqi@0 60 }
aoqi@0 61
aoqi@0 62 @Override
aoqi@0 63 public TypeKind getKind() {
aoqi@0 64 return TypeKind.INTERSECTION;
aoqi@0 65 }
aoqi@0 66
aoqi@0 67 @Override
aoqi@0 68 public <A extends Annotation> A getAnnotation(Class<A> annotationType) {
aoqi@0 69 throw new UnsupportedOperationException();
aoqi@0 70 }
aoqi@0 71
aoqi@0 72 @Override
aoqi@0 73 public List<? extends AnnotationMirror> getAnnotationMirrors() {
aoqi@0 74 throw new UnsupportedOperationException();
aoqi@0 75 }
aoqi@0 76
aoqi@0 77 @Override
aoqi@0 78 public <A extends Annotation> A[] getAnnotationsByType(Class<A> annotationType) {
aoqi@0 79 throw new UnsupportedOperationException();
aoqi@0 80 }
aoqi@0 81 }
aoqi@0 82
aoqi@0 83 static class TypeKindVisitor8Child extends TypeKindVisitor8<Boolean, Void> {
aoqi@0 84 TypeKindVisitor8Child() {
aoqi@0 85 super(false);
aoqi@0 86 }
aoqi@0 87
aoqi@0 88 @Override
aoqi@0 89 public Boolean visitIntersection(IntersectionType t, Void p) {
aoqi@0 90 super.visitIntersection(t, p); // Make sure overridden method doesn't throw an exception
aoqi@0 91 return true;
aoqi@0 92 }
aoqi@0 93 }
aoqi@0 94
aoqi@0 95 static class SimpleTypeVisitor8Child extends SimpleTypeVisitor8<Boolean, Void> {
aoqi@0 96 SimpleTypeVisitor8Child() {
aoqi@0 97 super(false);
aoqi@0 98 }
aoqi@0 99
aoqi@0 100 @Override
aoqi@0 101 public Boolean visitIntersection(IntersectionType t, Void p) {
aoqi@0 102 super.visitIntersection(t, p); // Make sure overridden method doesn't throw an exception
aoqi@0 103 return true;
aoqi@0 104 }
aoqi@0 105 }
aoqi@0 106
aoqi@0 107 static class SimpleTypeVisitor6Child extends SimpleTypeVisitor6<Boolean, Void> {
aoqi@0 108 SimpleTypeVisitor6Child() {
aoqi@0 109 super(false);
aoqi@0 110 }
aoqi@0 111
aoqi@0 112 @Override
aoqi@0 113 public Boolean visitIntersection(IntersectionType t, Void p) {
aoqi@0 114 try {
aoqi@0 115 super.visitIntersection(t, p);
aoqi@0 116 return false;
aoqi@0 117 } catch (UnknownTypeException ute) {
aoqi@0 118 return true; // Expected
aoqi@0 119 }
aoqi@0 120 }
aoqi@0 121 }
aoqi@0 122 }

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