/*

 * 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

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/*

 * @test

 * @bug 6448405 6519513 6745225

 * @summary static HashMap cache in LineBreakMeasurer can grow wihout bounds

 * @run main/othervm/timeout=600 -client -Xms16m -Xmx16m FRCTest

 */

import java.awt.*;

import java.awt.image.*;

import java.awt.font.*;

import java.awt.geom.*;

import java.text.*;

import java.util.Hashtable;

public class FRCTest {

    static AttributedString vanGogh = new AttributedString(

        "Many people believe that Vincent van Gogh painted his best works " +

        "during the two-year period he spent in Provence. Here is where he " +

        "painted The Starry Night--which some consider to be his greatest " +

        "work of all. However, as his artistic brilliance reached new " +

        "heights in Provence, his physical and mental health plummeted. ",

        new Hashtable());

    public static void main(String[] args) {

        // First test the behaviour of Graphics2D.getFontRenderContext();

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

        Graphics2D g2d = bi.createGraphics();

        AffineTransform g2dTx = new AffineTransform(2,0,2,0,1,1);

        g2d.setTransform(g2dTx);

        AffineTransform frcTx = g2d.getFontRenderContext().getTransform();

        AffineTransform frcExpected = new AffineTransform(2,0,2,0,0,0);

        if (!frcTx.equals(frcExpected)) {

            throw new RuntimeException("FRC Tx may have translate?");

        }

        // Now test that using different translates with LBM is OK

        // This test doesn't prove a lot since showing a leak really

        // requires a basher test that can run for a long time.

        for (int x=0;x<100;x++) {

            for (int y=0;y<100;y++) {

                AttributedCharacterIterator aci = vanGogh.getIterator();

                AffineTransform tx = AffineTransform.getTranslateInstance(x, y);

                FontRenderContext frc = new FontRenderContext(tx, false, false);

                LineBreakMeasurer lbm = new LineBreakMeasurer(aci, frc);

                lbm.setPosition(aci.getBeginIndex());

                while (lbm.getPosition() < aci.getEndIndex()) {

                    lbm.nextLayout(100f);

                }

            }

        }

        for (int x=0;x<25;x++) {

            for (int y=0;y<25;y++) {

                AttributedCharacterIterator aci = vanGogh.getIterator();

                double rot = Math.random()*.4*Math.PI - .2*Math.PI;

                AffineTransform tx = AffineTransform.getRotateInstance(rot);

                FontRenderContext frc = new FontRenderContext(tx, false, false);

                LineBreakMeasurer lbm = new LineBreakMeasurer(aci, frc);

                lbm.setPosition(aci.getBeginIndex());

                while (lbm.getPosition() < aci.getEndIndex()) {

                    lbm.nextLayout(100f);

                }

            }

        }

    }

}