/*

 * Copyright (c) 2014, 2015, 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 8059977

 * @summary StandardJavaFileManager should support java.nio.file.Path.

 *          Test isSameFile method.

 * @build SJFM_TestBase

 * @run main SJFM_IsSameFile

 */

import java.nio.file.Path;

import java.util.List;

import java.util.concurrent.Callable;

import javax.tools.JavaFileObject;

import javax.tools.StandardJavaFileManager;

/**

 * For those paths which are supported by a file manager, such that

 * a file object can encapsulate the path, verify that the underlying

 * paths can be compared.

 */

public class SJFM_IsSameFile extends SJFM_TestBase {

    public static void main(String... args) throws Exception {

        new SJFM_IsSameFile().run();

    }

    @Test

    void test_isSameFile(StandardJavaFileManager fm) throws Exception {

        test_isSameFile(fm, () -> getTestFilePaths());

        test_isSameFile(fm, () -> getTestZipPaths());

    }

    /**

     * Tests the isSameFile method for a specific file manager

     * and a series of paths.

     *

     * Note: instances of MyStandardJavaFileManager only support

     * encapsulating paths for files in the default file system.

     *

     * @param fm  the file manager to be tested

     * @param paths  a generator for the paths to be tested

     * @throws IOException

     */

    void test_isSameFile(StandardJavaFileManager fm, Callable<List<Path>> paths) throws Exception {

        if (!isGetFileObjectsSupported(fm, paths.call()))

            return;

        // use distinct paths and file objects in the following two sets

        Iterable<? extends JavaFileObject> setA = fm.getJavaFileObjectsFromPaths(paths.call());

        Iterable<? extends JavaFileObject> setB = fm.getJavaFileObjectsFromPaths(paths.call());

        for (JavaFileObject a : setA) {

            for (JavaFileObject b : setB) {

                System.err.println("compare: a: " + a);

                System.err.println("         b: " + b);

                // Use the fileObject getName method to determine the expected result.

                // For the files being tested, getName is the absolute path.

                boolean expect = a.getName().equals(b.getName());

                boolean actual = fm.isSameFile(a, b);

                if (actual != expect) {

                    error("mismatch: actual:" + (actual ? "same" : "not same")

                            + ", expect:" + (expect ? "same" : "not same"));

                }

            }

        }

    }

}