/*

 * Copyright (c) 2011, 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

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 */

/**

 * @test

 * @bug 7032930

 *

 * @summary verify the existence of the  method

 *           SunGraphicsEnvironment.useAlternateFontforJALocales

 *

 * @run main/othervm TestSGEuseAlternateFontforJALocales

 * @run main/othervm -Dfile.encoding=windows-31j -Duser.language=ja -Duser.country=JA TestSGEuseAlternateFontforJALocales

 *

 */

import java.lang.reflect.Method;

import java.nio.charset.Charset;

import java.util.Locale;

import java.awt.Font;

import java.awt.FontMetrics;

import java.awt.Graphics2D;

import java.awt.GraphicsEnvironment;

import java.awt.image.BufferedImage;

public class TestSGEuseAlternateFontforJALocales {

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

        System.out.println("Default Charset = "

            + Charset.defaultCharset().name());

        System.out.println("Locale = " + Locale.getDefault());

        String os = System.getProperty("os.name");

        String encoding = System.getProperty("file.encoding");

        /* Want to test the JA locale uses alternate font for DialogInput. */

        boolean jaTest = encoding.equalsIgnoreCase("windows-31j");

        if (!os.startsWith("Win") && jaTest) {

            System.out.println("Skipping Windows only test");

            return;

        }

        String className = "sun.java2d.SunGraphicsEnvironment";

        String methodName = "useAlternateFontforJALocales";

        Class sge = Class.forName(className);

        Method uafMethod = sge.getMethod(methodName, (Class[])null);

        Object ret = uafMethod.invoke(null);

        GraphicsEnvironment ge =

            GraphicsEnvironment.getLocalGraphicsEnvironment();

        ge.preferLocaleFonts();

        ge.preferProportionalFonts();

        if (jaTest) {

            Font msMincho = new Font("MS Mincho", Font.PLAIN, 12);

            if (!msMincho.getFamily(Locale.ENGLISH).equals("MS Mincho")) {

                 System.out.println("MS Mincho not installed. Skipping test");

                 return;

            }

            Font dialogInput = new Font("DialogInput", Font.PLAIN, 12);

            Font courierNew = new Font("Courier New", Font.PLAIN, 12);

            Font msGothic = new Font("MS Gothic", Font.PLAIN, 12);

            BufferedImage bi = new BufferedImage(1,1,1);

            Graphics2D g2d = bi.createGraphics();

            FontMetrics cnMetrics = g2d.getFontMetrics(courierNew);

            FontMetrics diMetrics = g2d.getFontMetrics(dialogInput);

            FontMetrics mmMetrics = g2d.getFontMetrics(msMincho);

            FontMetrics mgMetrics = g2d.getFontMetrics(msGothic);

            // This tests to make sure we at least have applied

            //  "preferLocaleFonts for Japanese

            if (cnMetrics.charWidth('A') == diMetrics.charWidth('A')) {

                 throw new RuntimeException

                       ("Courier New should not be used for DialogInput");

            }

            // This is supposed to make sure we are using MS Mincho instead

            //  of MS Gothic. However they are metrics identical so its

            // not definite proof.

            if (diMetrics.charWidth('A') != mmMetrics.charWidth('A')) {

                 throw new RuntimeException

                     ("MS Mincho should be used for DialogInput");

            }

       }

   }

}