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products/Sources/formale Sprachen/Java/Openjdk/test/jdk/java/io/pathNames/unix/ (Sun/Oracle ^©) Datei vom 13.11.2022 mit Größe 3 kB

Quelle TrailingSlash.java Sprache: JAVA

/*
* Copyright (c) 2001, 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 4427862
* @summary Ensure that trailing slashes are ignored when opening files
*/

import java.io.*;

public class TrailingSlash {

    static PrintStream log = System.err;
    static int failures = 0;

    static void check(String what, String fns,
                      boolean expected, boolean threw)
    {
        if (expected == threw) {
            log.println(" FAIL: new " + what + "(\"" + fns + "\") "
                        + (expected ? "failed" : "succeeded"));
            failures++;
        }
    }

    static void go(String fns, boolean fis, boolean raf, boolean fos)
        throws IOException
    {
        boolean threw;

        threw = false;
        try {
            new FileInputStream(fns).close();
            log.println(" FileInputStream okay");
        } catch (IOException x) {
            log.println(" FileInputStream: " + x);
            threw = true;
        }
        check("FileInputStream", fns, fis, threw);

        threw = false;
        try {
            new RandomAccessFile(fns, "r").close();
            log.println(" RandomAccessFile okay");
        } catch (IOException x) {
            log.println(" RandomAccessFile: " + x);
            threw = true;
        }
        check("RandomAccessFile", fns, raf, threw);

        threw = false;
        try {
            new FileOutputStream(fns).close();
            log.println(" FileOutputStream okay");
        } catch (IOException x) {
            log.println(" FileOutputStream: " + x);
            threw = true;
        }
        check("FileOutputStream", fns, fos, threw);

    }

    static void go(String fn, String fns) throws Exception {

        log.println("Test case: " + fns);

        File f = new File(fn);

        f.delete();
        if (f.exists())
            throw new Exception("Can't delete " + f);

        log.println(" " + fn + " does not exist");
        go(fns, false, false, true);

        f.delete();
        f.mkdir();
        log.println(" " + fn + " is a directory");
        go(fns, false, false, false);

        f.delete();
        f.createNewFile();
        log.println(" " + fn + " is a file");
        go(fns, true, true, true);

    }

    public static void main(String[] args) throws Exception {
        if (File.separatorChar != '/') {
            // This test is only valid on Unix systems
            return;
        }

        go("xyzzy", "xyzzy");
        go("xyzzy", "xyzzy/");
        go("xyzzy", "xyzzy//");

        if (failures > 0)
            throw new Exception(failures + " failures");

    }

}

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