--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/imageio/plugins/gif/GIFPassListenerTest.java Fri May 17 17:19:21 2013 +0400
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2012, 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 4892259
+ *
+ * @summary Verify that calls to IIOReadUpdateListener passStarted and
+ * passComplete are consistent.
+ *
+ * @run main GIFPassListenerTest
+ */
+
+import java.awt.image.*;
+import java.io.*;
+import java.util.*;
+import javax.imageio.*;
+import javax.imageio.event.*;
+import javax.imageio.stream.*;
+
+public class GIFPassListenerTest {
+
+ private static ImageInputStream createTestImageStream(boolean progressive) throws IOException {
+ ByteArrayOutputStream output = new ByteArrayOutputStream();
+ Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName("gif");
+ if (!writers.hasNext()) {
+ return null;
+ }
+ ImageWriter writer = writers.next();
+ ImageWriteParam param = writer.getDefaultWriteParam();
+ param.setProgressiveMode(progressive ?
+ ImageWriteParam.MODE_DEFAULT : ImageWriteParam.MODE_DISABLED);
+ ImageOutputStream imageOutput = ImageIO.createImageOutputStream(output);
+ writer.setOutput(imageOutput);
+ BufferedImage image = new BufferedImage(100, 100, BufferedImage.TYPE_INT_ARGB);
+ writer.write(null, new IIOImage(image, null, null), param);
+ imageOutput.flush();
+ ByteArrayInputStream input = new ByteArrayInputStream(output.toByteArray());
+ return ImageIO.createImageInputStream(input);
+ }
+
+ private static void checkImage(boolean progressive) throws Exception {
+ ImageInputStream iis = createTestImageStream(progressive);
+ ImageReader reader = ImageIO.getImageReaders(iis).next();
+ reader.setInput(iis);
+ ReadUpdateHandler handler = new ReadUpdateHandler();
+ reader.addIIOReadUpdateListener(handler);
+ reader.readAll(null);
+ if (handler.isPassStarted) {
+ throw new RuntimeException("passStarted without passComplete.");
+ }
+ if (progressive && (handler.numPasses == 0)) {
+ throw new RuntimeException("passStarted wasn't called for progressive image");
+ }
+ if (!progressive && (handler.numPasses != 0)) {
+ throw new RuntimeException("passStarted was called for non-progressive image");
+ }
+ iis.close();
+ }
+
+ public static void main(String args[]) throws Exception {
+ checkImage(true);
+ checkImage(false);
+ }
+
+ private static class ReadUpdateHandler implements IIOReadUpdateListener {
+ public boolean isPassStarted = false;
+ public int numPasses = 0;
+
+ @Override
+ public void imageUpdate(ImageReader source, BufferedImage theImage, int minX, int minY,
+ int width, int height, int periodX, int periodY, int[] bands) {
+ }
+
+ @Override
+ public void passStarted(ImageReader source, BufferedImage theImage, int pass, int minPass,
+ int maxPass, int minX, int minY, int periodX, int periodY, int[] bands) {
+ if (isPassStarted) {
+ throw new RuntimeException("reentered passStarted!");
+ }
+ isPassStarted = true;
+ numPasses++;
+ }
+
+ @Override
+ public void passComplete(ImageReader source, BufferedImage theImage) {
+ if (!isPassStarted) {
+ throw new RuntimeException("passComplete without passStarted!");
+ }
+ isPassStarted = false;
+ }
+
+ @Override
+ public void thumbnailPassStarted(ImageReader source, BufferedImage theThumbnail, int pass,
+ int minPass, int maxPass, int minX, int minY, int periodX, int periodY, int[] bands) {
+ }
+
+ @Override
+ public void thumbnailPassComplete(ImageReader source, BufferedImage theThumbnail) {
+ }
+
+ @Override
+ public void thumbnailUpdate(ImageReader source, BufferedImage theThumbnail, int minX, int minY,
+ int width, int height, int periodX, int periodY, int[] bands) {
+ }
+ }
+}