/*

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 * 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.

 *

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 */

/*

 * @test

 * @bug     6400207

 * @summary JSR 199: JavaFileManager.list and unset location

 * @author  Peter von der Ah\u00e9

 */

import java.util.*;

import javax.tools.*;

import static javax.tools.StandardLocation.*;

import static javax.tools.JavaFileObject.Kind.*;

public class T6400207 {

    static void testList(JavaFileManager fm,

                    JavaFileManager.Location location,

                    String packageName,

                    Set<JavaFileObject.Kind> kinds) throws Exception {

        boolean expectNpe =

            location == null ||

            packageName == null ||

            kinds == null;

        try {

            fm.list(location, packageName, kinds, false);

            if (expectNpe) {

                String message = "NullPointerException not thrown";

                if (location == null)

                    throw new AssertionError(message + " (location is null)");

                if (packageName == null)

                    throw new AssertionError(message + " (packageName is null)");

                if (kinds == null)

                    throw new AssertionError(message + " (kinds is null)");

                throw new AssertionError(message);

            }

        } catch (NullPointerException e) {

            if (!expectNpe)

                throw e;

        }

    }

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

        try (JavaFileManager fm =

                ToolProvider.getSystemJavaCompiler().getStandardFileManager(null, null, null)) {

            JavaFileManager.Location bogusLocation = locationFor("bogus");

            JavaFileManager.Location knownLocation = CLASS_PATH;

            String packageName = "java.lang";

            Set<JavaFileObject.Kind> kinds = EnumSet.of(CLASS);

            for (StandardLocation location : StandardLocation.values()) {

                if (location != locationFor(location.getName()))

                    throw new AssertionError(location + " != locationFor(" +

                                             location.getName() + ")");

            }

            testList(fm, null, null, null);

            testList(fm, bogusLocation, packageName, kinds);

            testList(fm, knownLocation, packageName, kinds);

            testList(fm, null, packageName, kinds);

            testList(fm, knownLocation, null, kinds);

            testList(fm, knownLocation, packageName, null);

            testList(fm, bogusLocation, null, kinds);

            testList(fm, bogusLocation, packageName, null);

            System.err.println("Test PASSED.");

        }

    }

}