Quelle ToString.java Sprache: JAVA

/*
* Copyright (c) 2000, 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 4031762
* @summary Test the primitive wrappers static toString()
* @key randomness
*/

import java.util.Random;

public class ToString {

    private static Random generator = new Random();

    public static void main(String args[]) throws Exception {
        // boolean wrapper
        boolean b = false;
        Boolean B = new Boolean(b);
        if (!B.toString().equals(Boolean.toString(b)))
            throw new RuntimeException("Boolean wrapper toString() failure.");
        b = true;
        B = new Boolean(b);
        if (!B.toString().equals(Boolean.toString(b)))
            throw new RuntimeException("Boolean wrapper toString() failure.");

        // char wrapper
        for(int x=0; x<100; x++) {
            char c = (char)generator.nextInt();
            Character C = new Character(c);
            if (!C.toString().equals(Character.toString(c)))
                throw new RuntimeException("Character wrapper toString() failure.");
        }

        // byte wrapper
        for(int x=0; x<100; x++) {
            byte y = (byte)generator.nextInt();
            Byte Y = new Byte(y);
            if (!Y.toString().equals(Byte.toString(y)))
                throw new RuntimeException("Byte wrapper toString() failure.");
        }

        // short wrapper
        for(int x=0; x<100; x++) {
            short s = (short)generator.nextInt();
            Short S = new Short(s);
            if (!S.toString().equals(Short.toString(s)))
                throw new RuntimeException("Short wrapper toString() failure.");
        }

        // int wrapper
        for(int x=0; x<100; x++) {
            int i = generator.nextInt();
            Integer I = new Integer(i);
            if (!I.toString().equals(Integer.toString(i)))
                throw new RuntimeException("Integer wrapper toString() failure.");
        }

        // long wrapper
        for(int x=0; x<100; x++) {
            long l = generator.nextLong();
            Long L = new Long(l);
            if (!L.toString().equals(Long.toString(l)))
                throw new RuntimeException("Long wrapper toString() failure.");
        }

        // float wrapper
        for(int x=0; x<100; x++) {
            float f = generator.nextFloat();
            Float F = new Float(f);
            if (!F.toString().equals(Float.toString(f)))
                throw new RuntimeException("Float wrapper toString() failure.");
        }

        // double wrapper
        for(int x=0; x<100; x++) {
            double d = generator.nextDouble();
            Double D = new Double(d);
            if (!D.toString().equals(Double.toString(d)))
                throw new RuntimeException("Double wrapper toString() failure.");
        }

    }
}

quality83%

¤ Dauer der Verarbeitung: 0.10 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.