/*
* Copyright (c) 2007, 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* @test
* @bug 6557086 6547241
* @summary Test verifies that invocation of reset/abort/dispose methods from
* another thread does not cause crash in jpeg library.
* @run main WritingInterruptionTest
*/
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.RadialGradientPaint;
import java.awt.geom.Point2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.imageio.ImageWriter;
import javax.imageio.ImageWriteParam;
import javax.imageio.event.IIOWriteProgressListener;
import javax.imageio.stream.ImageOutputStream;
public class WritingInterruptionTest implements IIOWriteProgressListener {
static File pwd = new File(".");
static BufferedImage img;
public static void main(String[] args) {
img = createTestImage();
System.out.println("Test abort()....");
WritingInterruptionTest t = new WritingInterruptionTest(new AbortAction());
t.doTest();
System.out.println("Test reset()....");
t = new WritingInterruptionTest(new ResetAction());
t.doTest();
System.out.println("Test dispose()....");
t = new WritingInterruptionTest(new DisposeAction());
t.doTest();
}
protected abstract static class Action implements Runnable {
protected ImageWriter target;
public void setTarget(ImageWriter target) {
this.target = target;
}
public abstract void run();
}
protected static class DisposeAction extends Action {
public void run() {
try {
target.dispose();
} catch (IllegalStateException e) {
System.out.println("Test PASSED: IllegalStateException was thrown.");
} catch (Throwable e) {
throw new RuntimeException("Test FAILED.", e);
}
}
}
protected static class AbortAction extends Action {
public void run() {
try {
target.abort();
} catch (IllegalStateException e) {
System.out.println("Test PASSED: IllegalStateException was thrown.");
} catch (Throwable e) {
throw new RuntimeException("Test FAILED.", e);
}
}
}
protected static class ResetAction extends Action {
public void run() {
try {
target.reset();
} catch (IllegalStateException e) {
System.out.println("Test PASSED: IllegalStateException was thrown.");
} catch (Throwable e) {
throw new RuntimeException("Test FAILED.", e);
}
}
}
Action action;
ImageOutputStream ios;
ImageWriter w;
protected WritingInterruptionTest(Action action) {
this.action = action;
w = ImageIO.getImageWritersByFormatName("JPEG").next();
this.action.setTarget(w);
}
public void doTest() {
try {
w.addIIOWriteProgressListener(this);
File f = File.createTempFile("writer_", ".jpg", pwd);
ImageOutputStream ios = ImageIO.createImageOutputStream(f);
w.setOutput(ios);
Thread.sleep(70);
w.write(img);
Thread.sleep(70);
} catch (Exception e) {
/*
* we do expect that concurrent attempt to dispose this
* instance of image writer will be blocked. So, this image
* should be writen sucessfuly. Otherwise, something went wrong
* and we need to report test failure.
*/
throw new RuntimeException("Test FAILED", e);
} finally {
/*
* it would happen that concurrent invocation of dispose() method
* will be successful. Due to race condition it seems to be possible
* that dispose operation will be performed after than write() operation
* leaveled thread lock. In this case all subsequent calls for writer
* methods should results in IllegalStateException. So, we treat
* IllegalStateException as success. Everything else means test failure.
*/
try {
w.reset();
} catch (IllegalStateException e) {
System.out.println("Expected exception was caught: " + e);
} catch(Exception e) {
throw new RuntimeException("Test FAILED.", e);
}
}
System.out.println("Test PASSED.");
}
// listener medthods
public void imageStarted(ImageWriter source,
int imageIndex) {} ;
public void imageProgress(ImageWriter source,
float percentageDone)
{
if (20f < percentageDone && percentageDone < 80f ) {
Thread t = new Thread(action);
t.start();
}
};
public void imageComplete(ImageWriter source) {};
public void thumbnailStarted(ImageWriter source,
int imageIndex,
int thumbnailIndex) {};
public void thumbnailProgress(ImageWriter source,
float percentageDone) {};
public void thumbnailComplete(ImageWriter source) {};
public void writeAborted(ImageWriter source) {};
private static BufferedImage createTestImage() {
int w = 1024;
int h = 768;
BufferedImage img = new
BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
Graphics2D g = img.createGraphics();
Color[] colors = { Color.red, Color.green, Color.blue };
float[] dist = {0.0f, 0.5f, 1.0f };
Point2D center = new Point2D.Float(0.5f * w, 0.5f * h);
RadialGradientPaint p =
new RadialGradientPaint(center, 0.5f * w, dist, colors);
g.setPaint(p);
g.fillRect(0, 0, w, h);
g.dispose();
return img;
}
}