110 lines
4.0 KiB
Java
110 lines
4.0 KiB
Java
/*
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* Copyright (c) 2007, 2018, 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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* @key headful
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* @bug 6705443 8198613
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* @summary tests that we don't crash during exit if font strikes were disposed
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* during the lifetime of the application
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*
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* @run main/othervm -Dsun.java2d.font.reftype=weak StrikeDisposalCrashTest
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* @run main/othervm -Dsun.java2d.font.reftype=weak -Dsun.java2d.noddraw=true StrikeDisposalCrashTest
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*/
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import java.awt.Font;
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import java.awt.Frame;
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import java.awt.Graphics2D;
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import java.awt.GraphicsConfiguration;
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import java.awt.GraphicsDevice;
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import java.awt.GraphicsEnvironment;
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import java.awt.RenderingHints;
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import java.awt.Toolkit;
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import java.awt.image.VolatileImage;
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public class StrikeDisposalCrashTest {
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public static void main(String[] args) {
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System.setProperty("sun.java2d.font.reftype", "weak");
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GraphicsDevice gd[] =
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GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices();
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Frame frames[] = new Frame[gd.length];
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for (int i = 0; i < frames.length; i++) {
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GraphicsConfiguration gc = gd[i].getDefaultConfiguration();
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Frame f = new Frame("Frame on "+gc, gc);
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f.setSize(100, 100);
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f.setLocation(gc.getBounds().x, gc.getBounds().y);
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f.pack();
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frames[i] = f;
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}
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Font f1 = new Font("Dialog", Font.PLAIN, 10);
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Font f2 = new Font("Dialog", Font.ITALIC, 12);
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for (int i = 0; i < frames.length/2; i++) {
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// making sure the glyphs are cached in the accel. cache on
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// one frame, then the other
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renderText(frames[i], f1);
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renderText(frames[frames.length -1 - i], f1);
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// and now the other way around, with different glyphs
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renderText(frames[frames.length -1 - i], f2);
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renderText(frames[i], f2);
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}
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// try to force strike disposal (note that we have to use
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// -Dsun.java2d.font.reftype=weak to facilitate the disposal)
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System.gc();
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System.runFinalization();
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System.gc();
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System.runFinalization();
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for (Frame f : frames) {
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f.dispose();
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}
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System.err.println("Exiting. If the test crashed after this it FAILED");
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}
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private static final String text =
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"The quick brown fox jumps over the lazy dog 1234567890";
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private static void renderText(Frame frame, Font f1) {
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VolatileImage vi = frame.createVolatileImage(256, 32);
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vi.validate(frame.getGraphicsConfiguration());
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Graphics2D g = vi.createGraphics();
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g.setFont(f1);
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g.drawString(text, 0, vi.getHeight()/2);
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g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
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RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
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g.drawString(text, 0, vi.getHeight()/2);
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g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
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RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
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g.drawString(text, 0, vi.getHeight()/2);
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Toolkit.getDefaultToolkit().sync();
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}
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}
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