92 lines
3.0 KiB
Java
92 lines
3.0 KiB
Java
/*
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* Copyright (c) 2001, 2017, 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 4420318 8183341
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* @summary Checks that an IllegalStateException is thrown by getNumImages(true)
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* when seekForwardOnly is true
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* @modules java.desktop/com.sun.imageio.plugins.gif
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* java.desktop/com.sun.imageio.plugins.jpeg
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* java.desktop/com.sun.imageio.plugins.png
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*/
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import java.io.File;
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import java.io.IOException;
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import java.nio.file.Files;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageReader;
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import javax.imageio.stream.ImageInputStream;
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import com.sun.imageio.plugins.gif.GIFImageReader;
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import com.sun.imageio.plugins.jpeg.JPEGImageReader;
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import com.sun.imageio.plugins.png.PNGImageReader;
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public class AllowSearch {
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private static void test(ImageReader reader, String format)
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throws IOException {
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boolean gotISE = false;
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File f = null;
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ImageInputStream stream = null;
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try {
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f = File.createTempFile("imageio", ".tmp");
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stream = ImageIO.createImageInputStream(f);
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reader.setInput(stream, true);
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try {
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int numImages = reader.getNumImages(true);
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} catch (IOException ioe) {
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gotISE = false;
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} catch (IllegalStateException ise) {
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gotISE = true;
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}
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} finally {
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if (stream != null) {
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stream.close();
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}
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reader.dispose();
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if (f != null) {
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Files.delete(f.toPath());
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}
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}
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if (!gotISE) {
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throw new RuntimeException("Failed to get desired exception for " +
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format + " reader!");
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}
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}
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public static void main(String[] args) throws IOException {
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ImageReader gifReader = new GIFImageReader(null);
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ImageReader jpegReader = new JPEGImageReader(null);
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ImageReader pngReader = new PNGImageReader(null);
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test(gifReader, "GIF");
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test(jpegReader, "JPEG");
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test(pngReader, "PNG");
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}
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}
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