jdk/test/java/io/pathNames/GeneralWin32.java
author ohair
Tue, 28 Dec 2010 15:53:50 -0800
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6962318: Update copyright year Reviewed-by: xdono
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/*
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 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/* @test
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   @bug 4032066 4039597 4046914 4054511 4065189 4109131 4875229 6983520
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   @summary General exhaustive test of win32 pathname handling
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   @author Mark Reinhold
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   @build General GeneralWin32
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   @run main/timeout=600 GeneralWin32
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 */
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import java.io.*;
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import java.util.*;
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public class GeneralWin32 extends General {
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    /**
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     * Hardwired UNC pathnames used for testing
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     *
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     * This test attempts to use the host and share names defined in this class
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     * to test UNC pathnames.  The test will not fail if the host or share
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     * don't exist, but it will print a warning saying that it was unable to
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     * test UNC pathnames completely.
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     */
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    private static final String EXISTENT_UNC_HOST = "pc-cup01";
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    private static final String EXISTENT_UNC_SHARE = "pcdist";
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    private static final String NONEXISTENT_UNC_HOST = "non-existent-unc-host";
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    private static final String NONEXISTENT_UNC_SHARE = "bogus-share";
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    /* Pathnames relative to working directory */
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    private static void checkCaseLookup(String ud) throws IOException {
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        /* Use long names here to avoid 8.3 format, which Samba servers often
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           force to lowercase */
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        File d = new File("XyZzY0123", "FOO_bar_BAZ");
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        File f = new File(d, "GLORPified");
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        if (!f.exists()) {
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            if (!d.exists()) {
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                if (!d.mkdirs()) {
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                    throw new RuntimeException("Can't create directory " + d);
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                }
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            }
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            OutputStream o = new FileOutputStream(f);
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            o.close();
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        }
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        File f2 = new File(d.getParent(), "mumble"); /* For later ud tests */
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        if (!f2.exists()) {
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            OutputStream o = new FileOutputStream(f2);
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            o.close();
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        }
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        /* Computing the canonical path of a Win32 file should expose the true
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           case of filenames, rather than just using the input case */
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        File y = new File(ud, f.getPath());
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        String ans = y.getPath();
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        check(ans, "XyZzY0123\\FOO_bar_BAZ\\GLORPified");
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        check(ans, "xyzzy0123\\foo_bar_baz\\glorpified");
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        check(ans, "XYZZY0123\\FOO_BAR_BAZ\\GLORPIFIED");
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    }
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    private static void checkWild(File f) throws Exception {
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        try {
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            f.getCanonicalPath();
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        } catch (IOException x) {
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            return;
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        }
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        throw new Exception("Wildcard path not rejected: " + f);
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    }
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    private static void checkWildCards(String ud) throws Exception {
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        File d = new File(ud).getCanonicalFile();
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        checkWild(new File(d, "*.*"));
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        checkWild(new File(d, "*.???"));
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        checkWild(new File(new File(d, "*.*"), "foo"));
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    }
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    private static void checkRelativePaths() throws Exception {
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        String ud = System.getProperty("user.dir").replace('/', '\\');
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        checkCaseLookup(ud);
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        checkWildCards(ud);
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        checkNames(3, true, ud + "\\", "");
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    }
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    /* Pathnames with drive specifiers */
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    private static char findInactiveDrive() {
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        for (char d = 'Z'; d >= 'E'; d--) {
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            File df = new File(d + ":\\");
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            if (!df.exists()) {
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                return d;
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            }
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        }
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        throw new RuntimeException("Can't find an inactive drive");
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    }
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    private static char findActiveDrive() {
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        for (char d = 'C'; d <= 'Z'; d--) {
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            File df = new File(d + ":\\");
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            if (df.exists()) return d;
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        }
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        throw new RuntimeException("Can't find an active drive");
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    }
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    private static void checkDrive(int depth, char drive, boolean exists)
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        throws Exception
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    {
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        String d = drive + ":";
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        File df = new File(d);
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        String ans = exists ? df.getAbsolutePath() : d;
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        if (!ans.endsWith("\\"))
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            ans = ans + "\\";
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        checkNames(depth, false, ans, d);
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    }
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    private static void checkDrivePaths() throws Exception {
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        checkDrive(2, findActiveDrive(), true);
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        checkDrive(2, findInactiveDrive(), false);
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    }
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    /* UNC pathnames */
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    private static void checkUncPaths() throws Exception {
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        String s = ("\\\\" + NONEXISTENT_UNC_HOST
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                    + "\\" + NONEXISTENT_UNC_SHARE);
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        ensureNon(s);
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        checkSlashes(2, false, s, s);
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        s = "\\\\" + EXISTENT_UNC_HOST + "\\" + EXISTENT_UNC_SHARE;
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        if (!(new File(s)).exists()) {
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            System.err.println("WARNING: " + s +
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                               " does not exist, unable to test UNC pathnames");
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            return;
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        }
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        checkSlashes(2, false, s, s);
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    }
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    public static void main(String[] args) throws Exception {
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        if (File.separatorChar != '\\') {
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            /* This test is only valid on win32 systems */
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            return;
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        }
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        if (args.length > 0) debug = true;
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        checkRelativePaths();
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        checkDrivePaths();
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        checkUncPaths();
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    }
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}