1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.io.File; 25 import java.io.FileOutputStream; 26 import java.util.Iterator; 27 28 import javax.imageio.ImageIO; 29 import javax.imageio.ImageWriter; 30 import javax.imageio.metadata.IIOMetadata; 31 import javax.imageio.spi.IIORegistry; 32 import javax.imageio.spi.ImageWriterSpi; 33 import javax.imageio.stream.ImageOutputStream; 34 35 /** 36 * @test 37 * @bug 4958064 38 * @author Sergey Bylokhov 39 */ 40 public final class CanWriteSequence { 41 42 public static void main(final String[] args) throws Exception { 43 final IIORegistry registry = IIORegistry.getDefaultInstance(); 44 final Iterator<ImageWriterSpi> iter = 45 registry.getServiceProviders(ImageWriterSpi.class, 46 provider -> true, true); 47 // Validates all supported ImageWriters 48 while (iter.hasNext()) { 49 final ImageWriter writer = iter.next().createWriterInstance(); 50 System.out.println("ImageWriter = " + writer); 51 test(writer); 52 } 53 System.out.println("Test passed"); 54 } 55 56 private static void test(final ImageWriter writer) throws Exception { 57 final File file = File.createTempFile("temp", ".img"); 58 file.deleteOnExit(); 59 final FileOutputStream fos = new FileOutputStream(file); 60 final ImageOutputStream ios = ImageIO.createImageOutputStream(fos); 61 writer.setOutput(ios); 62 final IIOMetadata data = writer.getDefaultStreamMetadata(null); 63 64 if (writer.canWriteSequence()) { 65 writer.prepareWriteSequence(data); 66 } else { 67 try { 68 writer.prepareWriteSequence(data); 69 throw new RuntimeException( 70 "UnsupportedOperationException was not thrown"); 71 } catch (final UnsupportedOperationException ignored) { 72 // expected 73 } 74 } 75 writer.dispose(); 76 ios.close(); 77 } 78 } | 1 /* 2 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.io.File; 25 import java.io.FileOutputStream; 26 import java.nio.file.Files; 27 import java.util.Iterator; 28 29 import javax.imageio.ImageIO; 30 import javax.imageio.ImageWriter; 31 import javax.imageio.metadata.IIOMetadata; 32 import javax.imageio.spi.IIORegistry; 33 import javax.imageio.spi.ImageWriterSpi; 34 import javax.imageio.stream.ImageOutputStream; 35 36 /** 37 * @test 38 * @bug 4958064 8183349 39 * @summary Test verifies that when we try to forcefully run 40 * prepareWriteSequence() where it is not supported 41 * will ImageIO throws an UnsupportedOperationException 42 * or not. 43 * @run main CanWriteSequence 44 */ 45 public final class CanWriteSequence { 46 47 private static File file; 48 private static FileOutputStream fos; 49 50 public static void main(final String[] args) throws Exception { 51 final IIORegistry registry = IIORegistry.getDefaultInstance(); 52 final Iterator<ImageWriterSpi> iter = 53 registry.getServiceProviders(ImageWriterSpi.class, 54 provider -> true, true); 55 // Validates all supported ImageWriters 56 while (iter.hasNext()) { 57 final ImageWriter writer = iter.next().createWriterInstance(); 58 System.out.println("ImageWriter = " + writer); 59 test(writer); 60 } 61 System.out.println("Test passed"); 62 } 63 64 private static void test(final ImageWriter writer) throws Exception { 65 try { 66 file = File.createTempFile("temp", ".img"); 67 fos = new FileOutputStream(file); 68 final ImageOutputStream ios = ImageIO.createImageOutputStream(fos); 69 writer.setOutput(ios); 70 final IIOMetadata data = writer.getDefaultStreamMetadata(null); 71 72 if (writer.canWriteSequence()) { 73 writer.prepareWriteSequence(data); 74 } else { 75 try { 76 writer.prepareWriteSequence(data); 77 throw new RuntimeException( 78 "UnsupportedOperationException was not thrown"); 79 } catch (final UnsupportedOperationException ignored) { 80 // expected 81 } 82 } 83 } finally { 84 writer.dispose(); 85 fos.close(); 86 Files.delete(file.toPath()); 87 } 88 } 89 } 90 |