--- /dev/null 2013-01-17 09:11:42.581489353 +0100 +++ new/test/java/lang/annotation/TypeParamAnnotation.java 2013-01-17 16:42:45.777581569 +0100 @@ -0,0 +1,120 @@ +/* + * 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 8004698 + * @summary Unit test for annotations on TypeVariables + */ + +import java.util.*; +import java.lang.annotation.*; +import java.lang.reflect.*; +import java.io.Serializable; + +public class TypeParamAnnotation { + public static void main(String[] args) throws Exception { + testOnClass(); + testOnMethod(); + testGetAnno(); + testGetAnnos(); + } + + private static void check(boolean b) { + if (!b) + throw new RuntimeException(); + } + + private static void testOnClass() { + TypeVariable[] ts = TypeParam.class.getTypeParameters(); + check(ts.length == 3); + + Annotation[] as; + + as = ts[0].getAnnotations(); + check(as.length == 2); + check(((ParamAnno)as[0]).value().equals("t")); + check(((ParamAnno2)as[1]).value() == 1); + + as = ts[1].getAnnotations(); + check(as.length == 0); + + as = ts[2].getAnnotations(); + check(as.length == 2); + check(((ParamAnno)as[0]).value().equals("v")); + check(((ParamAnno2)as[1]).value() == 2); + } + private static void testOnMethod() throws Exception { + TypeVariable[] ts = TypeParam.class.getDeclaredMethod("foo").getTypeParameters(); + check(ts.length == 3); + + Annotation[] as; + + as = ts[0].getAnnotations(); + check(as.length == 2); + check(((ParamAnno)as[0]).value().equals("x")); + check(((ParamAnno2)as[1]).value() == 3); + + as = ts[1].getAnnotations(); + check(as.length == 0); + + as = ts[2].getAnnotations(); + check(as.length == 2); + check(((ParamAnno)as[0]).value().equals("z")); + check(((ParamAnno2)as[1]).value() == 4); + } + + private static void testGetAnno() { + TypeVariable[] ts = TypeParam.class.getTypeParameters(); + ParamAnno a; + a = ts[0].getAnnotation(ParamAnno.class); + check(a.value().equals("t")); + } + private static void testGetAnnos() throws Exception { + TypeVariable[] ts = TypeParam.class.getDeclaredMethod("foo").getTypeParameters(); + ParamAnno2[] as; + as = ts[0].getAnnotations(ParamAnno2.class); + check(as.length == 1); + check(as[0].value() == 3); + } +} + +class TypeParam <@ParamAnno("t") @ParamAnno2(1) T, + U, + @ParamAnno("v") @ParamAnno2(2) V extends Runnable> { + public <@ParamAnno("x") @ParamAnno2(3) X, + Y, + @ParamAnno("z") @ParamAnno2(4) Z extends Cloneable> void foo() {} +} + +@Target(ElementType.TYPE_PARAMETER) +@Retention(RetentionPolicy.RUNTIME) +@interface ParamAnno { + String value(); +} + +@Target(ElementType.TYPE_PARAMETER) +@Retention(RetentionPolicy.RUNTIME) +@interface ParamAnno2 { + int value(); +}