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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
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 *
 * 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.
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package jdk.jfr.event.os;

import static jdk.test.lib.Asserts.assertEquals;
import static jdk.test.lib.Asserts.assertTrue;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import jdk.jfr.Recording;
import jdk.jfr.consumer.RecordedEvent;
import jdk.test.lib.jfr.EventNames;
import jdk.test.lib.jfr.Events;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;

/**
 * @test
 * @key jfr
 * @requires vm.hasJFR
 * @library /test/lib
 * @run main jdk.jfr.event.os.TestInitialEnvironmentVariable
 */
public class TestInitialEnvironmentVariable {
    private final static String EVENT_NAME = EventNames.InitialEnvironmentVariable;

    public static void main(String[] args) throws Exception {
        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(Test.class.getName());
        setEnv(pb.environment());
        (new OutputAnalyzer(pb.start())).shouldHaveExitValue(0);
    }

    static void setEnv(Map<String, String> env) {
        env.put("keytest1", "value1");
        env.put("keytest2", "value 2");
    }

    static class Test {
        public static void main(String[] args) throws Exception {
            Map<String, String> env = new HashMap<>();
            setEnv(env);

            Recording recording = new Recording();
            recording.enable(EVENT_NAME);
            recording.start();
            recording.stop();
            List<RecordedEvent> events = Events.fromRecording(recording);
            Events.hasEvents(events);
            for (RecordedEvent event : events) {
                System.out.println("Event: " + event);
                String key = Events.assertField(event, "key").notNull().getValue();
                String value = Events.assertField(event, "value").notNull().getValue();
                if (env.containsKey(key)) {
                    assertEquals(value, env.get(key), "Wrong value for key: " + key);
                    env.remove(key);
                }
            }
            assertTrue(env.isEmpty(), "Missing env keys " + env.keySet());
        }
    }
}