| /* |
| * Copyright (c) 2004, 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 5015676 4987888 4997464 |
| * @summary Testing upper bounds and availability of toString methods |
| * @author Joseph D. Darcy |
| */ |
| |
| import java.lang.reflect.*; |
| import java.util.List; |
| import java.util.Collection; |
| |
| class A<T> { |
| class B<U> {} |
| } |
| |
| class Test<T> { |
| static class Inner1<U> { |
| void bar(U[] array1) { return;} |
| } |
| |
| class Inner2<V> { |
| List<?> foo2(List<? extends V> t) { |
| return null; |
| } |
| } |
| |
| static <S extends Object & Comparable<? super S> > S max(Collection<? extends S> coll) { |
| return null; |
| } |
| |
| List<? extends T> foo(List<? super T> t) { |
| return null; |
| } |
| } |
| |
| public class StringsAndBounds { |
| public void f(A<String>.B<Integer> x) { |
| } |
| |
| public <T> void g(T a) {return ;} |
| |
| static void scanner(Class clazz) { |
| System.out.println("\n\nScanning " + clazz.getName()); |
| |
| for(Class c: clazz.getDeclaredClasses()) { |
| scanner(c); |
| } |
| |
| for(Method m: clazz.getDeclaredMethods()) { |
| System.out.println("\nMethod:\t" + m.toString()); // Need toGenericString? |
| System.out.println("\tReturn Type: " + m.getGenericReturnType().toString() ); |
| for(Type p: m.getGenericParameterTypes()) { |
| if (p instanceof WildcardType) { // Check upper bounds |
| Type[] upperBounds = ((WildcardType)p).getUpperBounds(); |
| if (upperBounds.length < 1 || |
| upperBounds[0] == null) |
| throw new RuntimeException("Malformed upper bounds: " + p); |
| |
| } |
| |
| System.out.println("\tParameter: " + p.toString()); |
| } |
| } |
| } |
| |
| public static void main(String[] argv) throws Exception { |
| scanner(StringsAndBounds.class); |
| scanner(A.B.class); |
| scanner(Test.class); |
| } |
| } |