/* * 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 5047859 * @summary verify that for an array type class instance, getField("length") * throws an exception, and getFields() does not contain a Field for * 'length' */ import java.lang.reflect.Field; public class ArrayLength { public static void main(String [] args) { int failed = 0; try { new String[0].getClass().getField("length"); failed++; System.out.println("getField(\"length\") should throw NoSuchFieldException"); } catch (NoSuchFieldException e) { } try { new String[0].getClass().getDeclaredField("length"); failed++; System.out.println("getDeclaredField(\"length\") should throw NoSuchFieldException"); } catch (NoSuchFieldException e) { } if (new String[0].getClass().getFields().length != 0) { failed++; System.out.println("getFields() for an array type should return a zero length array"); } if (new String[0].getClass().getDeclaredFields().length != 0) { failed++; System.out.println("getDeclaredFields() for an array type should return a zero length array"); } if (failed != 0) throw new RuntimeException("Test failed see log for details"); } }