| /* |
| * 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 ReadingInterruptionTest |
| */ |
| |
| 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.ImageReader; |
| import javax.imageio.ImageReadParam; |
| import javax.imageio.event.IIOReadProgressListener; |
| import javax.imageio.stream.ImageInputStream; |
| |
| |
| public class ReadingInterruptionTest implements IIOReadProgressListener { |
| |
| public static void main(String[] args) { |
| createTestFile(); |
| |
| System.out.println("Test abort()...."); |
| ReadingInterruptionTest t = new ReadingInterruptionTest(new AbortAction()); |
| t.doTest(); |
| |
| System.out.println("Test reset()...."); |
| t = new ReadingInterruptionTest(new ResetAction()); |
| t.doTest(); |
| |
| System.out.println("Test dispose()...."); |
| t = new ReadingInterruptionTest(new DisposeAction()); |
| t.doTest(); |
| } |
| |
| protected abstract static class Action implements Runnable { |
| protected ImageReader target; |
| |
| public void setTarget(ImageReader 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); |
| } |
| } |
| } |
| |
| static File file = new File("IMGP1001.JPG"); |
| |
| Action action; |
| ImageInputStream iis; |
| ImageReader reader; |
| |
| protected ReadingInterruptionTest(Action action) { |
| this.action = action; |
| |
| reader = ImageIO.getImageReadersByFormatName("JPEG").next(); |
| |
| this.action.setTarget(reader); |
| } |
| |
| public void doTest() { |
| try { |
| reader.addIIOReadProgressListener(this); |
| iis = ImageIO.createImageInputStream(file); |
| reader.setInput(iis); |
| ImageReadParam p = reader.getDefaultReadParam(); |
| Thread.sleep(70); |
| BufferedImage res = reader.read(0, p); |
| Thread.sleep(70); |
| } catch (Exception e) { |
| /* |
| * we do expect that concurrent attempt to dispose this |
| * instance of image reader will be blocked. So, this image |
| * should be read 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 read() operation |
| * leaveled thread lock. In this case all subsequent calls for reader |
| * methods should results in IllegalStateException. So, we treat |
| * IllegalStateException as success. Everything else means test failure. |
| */ |
| try { |
| reader.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(ImageReader source, |
| int imageIndex) {} ; |
| |
| public void imageProgress(ImageReader source, |
| float percentageDone) |
| { |
| if (20f < percentageDone && percentageDone < 80f) { |
| Thread t = new Thread(action); |
| t.start(); |
| } |
| }; |
| |
| public void imageComplete(ImageReader source) {}; |
| |
| |
| public void sequenceStarted(ImageReader source, |
| int minIndex) {}; |
| |
| public void sequenceComplete(ImageReader source) {}; |
| |
| public void thumbnailStarted(ImageReader source, |
| int imageIndex, |
| int thumbnailIndex) {}; |
| |
| public void thumbnailProgress(ImageReader source, |
| float percentageDone) {}; |
| |
| public void thumbnailComplete(ImageReader source) {}; |
| |
| public void readAborted(ImageReader source) {}; |
| |
| private static void createTestFile() { |
| int w = 1280; |
| int h = 1024; |
| |
| 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(); |
| |
| try { |
| System.out.println("Create test image " + file.getAbsolutePath()); |
| boolean b = ImageIO.write(img, "JPEG", file); |
| if (!b) { |
| throw new RuntimeException("Failed to create test image."); |
| } |
| } catch (IOException e) { |
| throw new RuntimeException("Test failed", e); |
| } |
| } |
| } |