Quelle bug6312358.java Sprache: JAVA

/*
* 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.
* @modules java.base/java.util:open
*/

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
        }
    }
}

quality98%

¤ Dauer der Verarbeitung: 0.12 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.