/* * Copyright (c) 2007, 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 6312358 * @summary Verify that an NPE is thrown by issueing Locale.getInstance() with * any argument being null. */ import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.util.Locale; public class bug6312358 { public static void main(String[] args) throws Exception { try { // Locale.getInstance is not directly accessible. Method getInstanceMethod = Locale.class.getDeclaredMethod( "getInstance", String.class, String.class, String.class ); getInstanceMethod.setAccessible(true); getInstanceMethod.invoke(null, "null", "GB", ""); try { getInstanceMethod.invoke(null, null, "GB", ""); throw new RuntimeException("Should NPE with language set to null"); } catch (InvocationTargetException exc) { Throwable cause = exc.getCause(); if (!(cause instanceof NullPointerException)) { throw new RuntimeException(cause+" is thrown with language set to null"); } } getInstanceMethod.invoke(null, "en", "null", ""); try { getInstanceMethod.invoke(null, "en", null, ""); throw new RuntimeException("Should NPE with country set to null"); } catch (InvocationTargetException exc) { Throwable cause = exc.getCause(); if (!(cause instanceof NullPointerException)) { throw new RuntimeException(cause+" is thrown with country set to null"); } } getInstanceMethod.invoke(null, "en", "GB", "null"); try { getInstanceMethod.invoke(null, "en", "GB", null); throw new RuntimeException("Should NPE with variant set to null"); } catch (InvocationTargetException exc) { Throwable cause = exc.getCause(); if (!(cause instanceof NullPointerException)) { throw new RuntimeException(cause+" is thrown with variant set to null"); } } } catch (java.lang.NoSuchMethodException exc) { // method is not found. consider it as a success } } }