91 lines
3.8 KiB
Java
91 lines
3.8 KiB
Java
/*
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* Copyright (c) 2008, 2009, 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 6448405 6519513 6745225
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* @summary static HashMap cache in LineBreakMeasurer can grow wihout bounds
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* @run main/othervm/timeout=600 -client -Xms16m -Xmx16m FRCTest
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*/
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import java.awt.*;
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import java.awt.image.*;
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import java.awt.font.*;
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import java.awt.geom.*;
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import java.text.*;
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import java.util.Hashtable;
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public class FRCTest {
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static AttributedString vanGogh = new AttributedString(
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"Many people believe that Vincent van Gogh painted his best works " +
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"during the two-year period he spent in Provence. Here is where he " +
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"painted The Starry Night--which some consider to be his greatest " +
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"work of all. However, as his artistic brilliance reached new " +
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"heights in Provence, his physical and mental health plummeted. ",
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new Hashtable());
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public static void main(String[] args) {
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// First test the behaviour of Graphics2D.getFontRenderContext();
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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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AffineTransform g2dTx = new AffineTransform(2,0,2,0,1,1);
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g2d.setTransform(g2dTx);
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AffineTransform frcTx = g2d.getFontRenderContext().getTransform();
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AffineTransform frcExpected = new AffineTransform(2,0,2,0,0,0);
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if (!frcTx.equals(frcExpected)) {
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throw new RuntimeException("FRC Tx may have translate?");
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}
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// Now test that using different translates with LBM is OK
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// This test doesn't prove a lot since showing a leak really
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// requires a basher test that can run for a long time.
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for (int x=0;x<100;x++) {
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for (int y=0;y<100;y++) {
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AttributedCharacterIterator aci = vanGogh.getIterator();
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AffineTransform tx = AffineTransform.getTranslateInstance(x, y);
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FontRenderContext frc = new FontRenderContext(tx, false, false);
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LineBreakMeasurer lbm = new LineBreakMeasurer(aci, frc);
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lbm.setPosition(aci.getBeginIndex());
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while (lbm.getPosition() < aci.getEndIndex()) {
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lbm.nextLayout(100f);
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}
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}
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}
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for (int x=0;x<25;x++) {
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for (int y=0;y<25;y++) {
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AttributedCharacterIterator aci = vanGogh.getIterator();
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double rot = Math.random()*.4*Math.PI - .2*Math.PI;
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AffineTransform tx = AffineTransform.getRotateInstance(rot);
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FontRenderContext frc = new FontRenderContext(tx, false, false);
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LineBreakMeasurer lbm = new LineBreakMeasurer(aci, frc);
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lbm.setPosition(aci.getBeginIndex());
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while (lbm.getPosition() < aci.getEndIndex()) {
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lbm.nextLayout(100f);
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}
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}
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}
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}
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}
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