/*

 * Copyright (c) 2015, 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.

 *

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 */

/**

 * @test

 * @bug 6357987 6513889 8023213

 * @summary Font/Text APIs should not crash if transform includes NaN

 * @author prr

 * @run main NaNTransform

 */

import java.awt.*;

import java.awt.font.*;

import java.awt.geom.*;

import java.awt.image.*;

public class NaNTransform {

    private static void testShape(String msg, Shape s) {

        if (!(new Area(s).isEmpty())) {

            System.out.println(msg+"="+s);

            throw new RuntimeException("Warning: expected this to be empty");

        }

    }

    public static void main(String [] args) {

        float NaN=0f/0f;

        float[] vals = new float[6];

        for (int i=0;i<6;i++) vals[i]=NaN;

        AffineTransform nanTX = new AffineTransform(vals);

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

        Graphics2D g2d = bi.createGraphics();

        g2d.rotate(NaN);

        Font font = g2d.getFont();

        FontMetrics fm = g2d.getFontMetrics();

        FontRenderContext frc = g2d.getFontRenderContext();

        int adv = fm.stringWidth("ABCDEF");

        if (adv != 0) {

            System.out.println("strWidth="+adv);

            throw new RuntimeException("Warning: expected this to be zero");

        }

        testShape("strBounds", font.getStringBounds("12345", frc));

        TextLayout tl = new TextLayout("Some text", font, frc);

        testShape("tl PixelBounds 1", tl.getPixelBounds(frc, 20, 10));

        testShape("tl PixelBounds 2", tl.getPixelBounds(frc, NaN, NaN));

        testShape("tl Outline", tl.getOutline(nanTX));

        GlyphVector gv = font.createGlyphVector(frc, "abcdef");

        testShape("gv PixelBounds 1", gv.getPixelBounds(frc, 0, 0));

        testShape("gv PixelBounds 2", gv.getPixelBounds(frc, NaN, NaN));

        testShape("gv Outline", gv.getOutline(NaN, NaN));

        gv.setGlyphTransform(0, nanTX);

        testShape("gv PixelBounds 1A", gv.getPixelBounds(frc, 0, 0));

        testShape("gv PixelBounds 2A", gv.getPixelBounds(frc, NaN, NaN));

        testShape("gv Outline A", gv.getOutline(NaN, NaN));

        g2d.drawString("BOO!", 20, 20);

        Font nanFont;

        for (int i=0; i<5000; i++) {

            nanFont = font.deriveFont(Float.NaN);

            g2d.setFont(nanFont);

            g2d.drawString("abc", 20, 20);

        }

        System.out.println("Test passed (no crash)");

    }

}