/*

 * Copyright (c) 2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

/*

 * @test

 * @bug 5102289

 * @summary Test the ResourceBundle.Control factory methods.

 */

import java.util.*;

import static java.util.ResourceBundle.Control.*;

public class ControlFactoryTest {

    /**

     * An interface for calling ResourceBundle.Control.getControl or

     * ResourceBundle.Control.getNoFallbackControl.

     */

    private static interface Factory {

        public ResourceBundle.Control getControl(List<String> formats);

        public String name();

    }

    static int errors;

    public static void main(String[] args) {

        // Test getControl.

        testControlFactory(new Factory() {

                public ResourceBundle.Control getControl(List<String> formats) {

                    return ResourceBundle.Control.getControl(formats);

                }

                public String name() { return "getControl"; }

            }, Locale.getDefault());

        // Test getNoFallbackControl.

        testControlFactory(new Factory() {

                public ResourceBundle.Control getControl(List<String> formats) {

                    return ResourceBundle.Control.getNoFallbackControl(formats);

                }

                public String name() { return "getNoFallbackControl"; }

            }, null);

        if (errors > 0) {

            throw new RuntimeException("FAILED: " + errors + " error(s)");

        }

    }

    private static void testControlFactory(Factory factory, Locale loc) {

        testGetControl(factory, loc, FORMAT_DEFAULT, "java.class", "java.properties");

        testGetControl(factory, loc, FORMAT_CLASS, "java.class");

        testGetControl(factory, loc, FORMAT_PROPERTIES, "java.properties");

        // test IllegalArgumentException

        String[][] data = {

            { "java.class", "java.properties", "java.xml" },

            { "java.class", "java.props" },

            { "java.properties", "java.class" },

            { "java.foo", "java.properties" },

            { "java.foo" },

            { null },

        };

        for (String[] fmts : data) {

            try {

                List<String> fmt = Arrays.asList(fmts);

                ResourceBundle.Control control = factory.getControl(fmt);

                error("getControl: %s%n", fmt);

            } catch (IllegalArgumentException e) {

            }

        }

        // test NPE

        try {

            ResourceBundle.Control control = factory.getControl(null);

            error("%s: doesn't throw NPE.%n", factory.name());

        } catch (NullPointerException npe) {

        }

    }

    private static void testGetControl(Factory factory,

                                       Locale loc,

                                       final List<String> FORMATS,

                                       String... fmtStrings) {

        final ResourceBundle.Control CONTROL = factory.getControl(FORMATS);

        List<String> fmt = CONTROL.getFormats("any");

        if (fmt != FORMATS) {

            error("%s: returns %s, expected %s.%n",

                  factory.name(), fmt, FORMATS);

        }

        ResourceBundle.Control control = null;

        // Check if getControl always returns the expected singleton.

        for (int i = 0; i < 10; i++) {

            fmt = Arrays.asList(fmtStrings);

            control = factory.getControl(fmt);

            if (control != CONTROL) {

                error("%s: doesn't return the singleton: got %s, expected %s%n",

                      factory.name(), control, CONTROL);

            }

        }

        // Check if getFallbackLocale performs as expected.

        Locale defaultLocale = Locale.getDefault();

        Locale nonDefaultLocale = defaultLocale.equals(Locale.US) ? Locale.JAPAN : Locale.US;

        if (loc != null) {

            // Test ResourceBundle.Control.getControl()

            Locale l = CONTROL.getFallbackLocale("any", nonDefaultLocale);

            if (!defaultLocale.equals(l)) {

                error("%s: getFallbackLocale doesn't return default locale. got %s, expected %s%n",

                      factory.name(), toString(l), toString(defaultLocale));

            }

            l = CONTROL.getFallbackLocale("any", defaultLocale);

            if (l != null) {

                error("%s: getFallbackLocale doesn't return null. got %s%n",

                      factory.name(), toString(l));

            }

        } else {

            // Test ResourceBundle.Control.getNoFallbackControl()

            Locale l = CONTROL.getFallbackLocale("any", nonDefaultLocale);

            if (l != null) {

                error("%s: getFallbackLocale doesn't return null. got %s%n",

                      factory.name(), toString(l));

            }

            l = CONTROL.getFallbackLocale("any", defaultLocale);

            if (l != null) {

                error("%s: getFallbackLocale doesn't return null. got %s%n",

                      factory.name(), toString(l));

            }

        }

    }

    private static String toString(Locale loc) {

        if (loc == null)

            return "null";

        return "\"" + loc.getLanguage() + "_" + loc.getCountry() + "_" + loc.getVariant() + "\"";

    }

    private static void error(String msg) {

        System.out.println(msg);

        errors++;

    }

    private static void error(String fmt, Object... args) {

        System.out.printf(fmt, args);

        errors++;

    }

}