95 lines
2.9 KiB
Java
95 lines
2.9 KiB
Java
/*
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* Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 5015676 4987888 4997464
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* @summary Testing upper bounds and availability of toString methods
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* @author Joseph D. Darcy
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*/
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import java.lang.reflect.*;
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import java.util.List;
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import java.util.Collection;
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class A<T> {
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class B<U> {}
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}
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class Test<T> {
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static class Inner1<U> {
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void bar(U[] array1) { return;}
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}
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class Inner2<V> {
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List<?> foo2(List<? extends V> t) {
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return null;
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}
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}
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static <S extends Object & Comparable<? super S> > S max(Collection<? extends S> coll) {
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return null;
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}
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List<? extends T> foo(List<? super T> t) {
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return null;
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}
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}
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public class StringsAndBounds {
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public void f(A<String>.B<Integer> x) {
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}
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public <T> void g(T a) {return ;}
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static void scanner(Class clazz) {
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System.out.println("\n\nScanning " + clazz.getName());
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for(Class c: clazz.getDeclaredClasses()) {
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scanner(c);
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}
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for(Method m: clazz.getDeclaredMethods()) {
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System.out.println("\nMethod:\t" + m.toString()); // Need toGenericString?
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System.out.println("\tReturn Type: " + m.getGenericReturnType().toString() );
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for(Type p: m.getGenericParameterTypes()) {
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if (p instanceof WildcardType) { // Check upper bounds
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Type[] upperBounds = ((WildcardType)p).getUpperBounds();
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if (upperBounds.length < 1 ||
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upperBounds[0] == null)
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throw new RuntimeException("Malformed upper bounds: " + p);
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}
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System.out.println("\tParameter: " + p.toString());
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}
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}
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}
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public static void main(String[] argv) throws Exception {
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scanner(StringsAndBounds.class);
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scanner(A.B.class);
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scanner(Test.class);
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}
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}
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