93 lines
3.3 KiB
Java
93 lines
3.3 KiB
Java
/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 6357987 6513889 8023213
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* @summary Font/Text APIs should not crash if transform includes NaN
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* @author prr
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* @run main NaNTransform
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*/
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import java.awt.*;
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import java.awt.font.*;
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import java.awt.geom.*;
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import java.awt.image.*;
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public class NaNTransform {
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private static void testShape(String msg, Shape s) {
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if (!(new Area(s).isEmpty())) {
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System.out.println(msg+"="+s);
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throw new RuntimeException("Warning: expected this to be empty");
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}
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}
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public static void main(String [] args) {
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float NaN=0f/0f;
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float[] vals = new float[6];
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for (int i=0;i<6;i++) vals[i]=NaN;
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AffineTransform nanTX = new AffineTransform(vals);
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BufferedImage bi = new BufferedImage(1,1,BufferedImage.TYPE_INT_RGB);
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Graphics2D g2d = bi.createGraphics();
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g2d.rotate(NaN);
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Font font = g2d.getFont();
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FontMetrics fm = g2d.getFontMetrics();
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FontRenderContext frc = g2d.getFontRenderContext();
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int adv = fm.stringWidth("ABCDEF");
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if (adv != 0) {
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System.out.println("strWidth="+adv);
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throw new RuntimeException("Warning: expected this to be zero");
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}
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testShape("strBounds", font.getStringBounds("12345", frc));
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TextLayout tl = new TextLayout("Some text", font, frc);
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testShape("tl PixelBounds 1", tl.getPixelBounds(frc, 20, 10));
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testShape("tl PixelBounds 2", tl.getPixelBounds(frc, NaN, NaN));
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testShape("tl Outline", tl.getOutline(nanTX));
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GlyphVector gv = font.createGlyphVector(frc, "abcdef");
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testShape("gv PixelBounds 1", gv.getPixelBounds(frc, 0, 0));
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testShape("gv PixelBounds 2", gv.getPixelBounds(frc, NaN, NaN));
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testShape("gv Outline", gv.getOutline(NaN, NaN));
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gv.setGlyphTransform(0, nanTX);
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testShape("gv PixelBounds 1A", gv.getPixelBounds(frc, 0, 0));
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testShape("gv PixelBounds 2A", gv.getPixelBounds(frc, NaN, NaN));
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testShape("gv Outline A", gv.getOutline(NaN, NaN));
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g2d.drawString("BOO!", 20, 20);
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Font nanFont;
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for (int i=0; i<5000; i++) {
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nanFont = font.deriveFont(Float.NaN);
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g2d.setFont(nanFont);
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g2d.drawString("abc", 20, 20);
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}
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System.out.println("Test passed (no crash)");
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}
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}
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