Quelle WinDirRelative.java Sprache: JAVA

/*
* Copyright (c) 2017, 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 8153250
* @summary Tests that files are correctly listed for a directory-relative path
* @requires (os.family == "windows")
*/
import java.io.File;
import java.util.ArrayList;
import java.util.List;

public class WinDirRelative {
    private static final char COLON = ':';
    private static final String BASENAME = "TestFile_";
    private static final String EXTENSION = ".txt";
    private static final int NUM_FILES = 10;

    private static boolean isLetter(char c) {
        return ((c >= 'a') && (c <= 'z')) || ((c >= 'A') && (c <= 'Z'));
    }

    public static void main(String[] args) throws Throwable {
        // Get the working directory which is also the default
        // directory for the current drive.
        String userDir = System.getProperty("user.dir");

        // Test only if a leading drive letter is found
        if (isLetter(userDir.charAt(0)) && userDir.charAt(1) == COLON) {
            // Create some empty files
            List<String> filenames = new ArrayList<String>(NUM_FILES);
            for (int i = 0; i < NUM_FILES; i++) {
                String filename = BASENAME + i + EXTENSION;
                filenames.add(filename);
                File f = new File(filename);
                f.createNewFile();
                f.deleteOnExit();
                System.out.printf("Created %s (%s)%n", filename,
                    f.getAbsolutePath());
            }

            // List files and verify that the ones with recognized names exist.
            String prefix = userDir.substring(0, 2);
            File p = new File(prefix);
            int failures = 0;
            int successes = 0;
            for (File f : p.listFiles()) {
                if (f.getName().toString().startsWith(BASENAME)) {
                    if (!f.exists()) {
                        System.err.printf("%s (%s) does not exist%n", f,
                            f.getAbsolutePath());
                        failures++;
                    } else {
                        successes++;
                    }
                }
            }

            // Fail if there was an existence test failure or if not
            // enough of the created files were found
            boolean testFailed = false;
            if (failures > 0) {
                System.err.println("Existence check failed");
                testFailed = true;
            }
            if (successes != NUM_FILES) {
                System.err.println("Count check failed");
                testFailed = true;
            }
            if (testFailed) {
                throw new RuntimeException("Test failed");
            }
        }
    }
}

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