/*

 * 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

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 * 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");

            }

        }

    }

}