Quellcode-Bibliothek

^© Kompilation durch diese Firma

[Weder Korrektheit noch Funktionsfähigkeit der Software werden zugesichert.]

Datei: Equals.java Sprache: JAVA

/*
* Copyright (c) 1998, 2011, 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 4052976 7030649
* @summary Test URL.equals with anchors, and jar URLs
*/

import java.net.*;

public class Equals {
    public static void main(String[] args) throws Exception {
        anchors();
        jarURLs();
    }

    static void anchors() throws Exception {
        URL url1, url2;

        url1 = new URL(null, "http://JavaSoft/Test#bar");
        url2 = new URL(null, "http://JavaSoft/Test");

        if (url1.equals(url2))
            throw new RuntimeException("URL.equals fails with anchors");
        if (url2.equals(url1))
            throw new RuntimeException("URL.equals fails with anchors");
        if (url1.equals(null))
            throw new RuntimeException("URL.equals fails given null");
    }

    static final String HTTP_URL1A = "http://localhost/xyz";
    static final String HTTP_URL1B = "http://LOCALHOST/xyz";
    static final String FILE_URL1A = "file:///c:/foo/xyz";
    static final String FILE_URL1B = "file:/c:/foo/xyz";

    static void jarURLs() throws Exception {
        int failed = 0;
        failed = compareJarURLS(HTTP_URL1A, HTTP_URL1A, "!/abc", "!/abc", true);
        failed = compareJarURLS(HTTP_URL1A, HTTP_URL1B, "!/abc", "!/abc", true);
        failed = compareJarURLS(HTTP_URL1B, HTTP_URL1A, "!/", "!/", true);
        failed = compareJarURLS(HTTP_URL1A, HTTP_URL1B, "!/abc", "!/", false);
        failed = compareJarURLS(HTTP_URL1A, HTTP_URL1B, "!/abc", "!/xy", false);
        failed = compareJarURLS(FILE_URL1A, FILE_URL1A, "!/abc", "!/abc", true);
        failed = compareJarURLS(FILE_URL1A, FILE_URL1B, "!/abc", "!/abc", true);
        failed = compareJarURLS(FILE_URL1A, FILE_URL1B, "!/", "!/", true);
        failed = compareJarURLS(FILE_URL1A, FILE_URL1B, "!/abc", "!/", false);
        failed = compareJarURLS(FILE_URL1A, FILE_URL1B, "!/abc", "!/xy", false);

        failed = (new URL("jar:file://xzy!/abc")).equals(
                      new URL("file://xzy!/abc")) ? 1 : 0;

        if (failed > 0)
            throw new RuntimeException("Some jar URL tests failed. Check output");
    }

    static int compareJarURLS(String urlStr1, String urlStr2,
                                  String entry1,  String entry2,
                                  boolean expectEqual) throws Exception {
        int failed = 0;

        URL url1 = new URL(urlStr1);
        URL url2 = new URL(urlStr2);

        if (!url1.equals(url2)) {
            System.out.println("Urls are not equal, so the test cannot run.");
            System.out.println("url1: " + url1 + ", url2:" + url2);
            return 1;
        }

        URL jarUrl1 = new URL("jar:" + urlStr1 + entry1);
        URL jarUrl2 = new URL("jar:" + urlStr2 + entry2);
        jarUrl2.openConnection();

        boolean equal = jarUrl1.equals(jarUrl2);
        if (expectEqual && !equal) {
            System.out.println("URLs should be equal, but are not. " +
                                jarUrl1 + ", " + jarUrl2);
            failed++;
        } else if (!expectEqual && equal) {
            System.out.println("URLs should NOT be equal, but are. " +
                                jarUrl1 + ", " + jarUrl2);
            failed++;
        }

        if (expectEqual) {
            // hashCode MUST produce the same integer result for equal urls
            int hash1 = jarUrl1.hashCode();
            int hash2 = jarUrl2.hashCode();
            if (hash1 != hash2) {
                System.out.println("jarUrl1.hashCode = " + hash1);
                System.out.println("jarUrl2.hashCode = " + hash2);
                System.out.println("Equal urls should have same hashCode. " +
                                    jarUrl1 + ", " + jarUrl2);
                failed++;
            }
        }

        return failed;
    }
}

¤ Dauer der Verarbeitung: 0.3 Sekunden (vorverarbeitet) ¤

Download des Quellennavigators
Download des sprechenden Kalenders
in der Quellcodebibliothek suchen

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.