/*

 * Copyright (c) 2016, 2018, 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.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * 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.

 */

package jdk.jfr.api.recording.settings;

import java.io.IOException;

import java.nio.file.Files;

import java.nio.file.Paths;

import java.util.List;

import jdk.jfr.Configuration;

import jdk.test.lib.Asserts;

/*

 * @test

 * @summary Verifies Configuration.getContents() for every configuration

 * @key jfr

 * @library /test/lib

 * @run main/othervm jdk.jfr.api.recording.settings.TestConfigurationGetContents

 */

public class TestConfigurationGetContents {

    private static final String SEP = System.getProperty("file.separator");

    private static final String JFR_DIR = System.getProperty("test.jdk")

            + SEP + "lib" + SEP + "jfr" + SEP;

    public static void main(String[] args) throws Throwable {

        List<Configuration> predefinedConfigs = Configuration.getConfigurations();

        Asserts.assertNotNull(predefinedConfigs, "List of predefined configs is null");

        Asserts.assertTrue(predefinedConfigs.size() > 0, "List of predefined configs is empty");

        for (Configuration conf : predefinedConfigs) {

            String name = conf.getName();

            System.out.println("Verifying configuration " + name);

            String fpath = JFR_DIR + name + ".jfc";

            String contents = conf.getContents();

            String fileContents = readFile(fpath);

            Asserts.assertEquals(fileContents, contents, "getContents() does not return the actual contents of the file " + fpath);

        }

    }

    private static String readFile(String path) throws IOException {

        byte[] encoded = Files.readAllBytes(Paths.get(path));

        return new String(encoded);

    }

}