1 /* 2 * Copyright (c) 2003, 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 /* 25 * @test 26 * @bug 4954545 27 * @summary This test verifies whether the ImageWriter implementations throw 28 * IllegalArgumentException when a null image is passed to the write 29 * method. This is tested for all the image writers available with the 30 * IIORegistry. 31 */ 32 33 import java.io.FileOutputStream; 34 import java.util.Iterator; 35 36 import javax.imageio.ImageIO; 37 import javax.imageio.ImageWriter; 38 import javax.imageio.spi.IIORegistry; 39 import javax.imageio.spi.ImageWriterSpi; 40 import javax.imageio.stream.ImageOutputStream; 41 42 public class WriteNullImageTest { 43 44 public WriteNullImageTest() { 45 boolean testFailed = false; 46 String failMsg = "FAIL: IllegalArgumentException is not thrown by the " + 47 "ImageWriter when the image passed to the write() method is " + 48 "null, for the image formats: "; 49 50 try { 51 IIORegistry reg = IIORegistry.getDefaultInstance(); 52 ImageWriter writer = null; 53 Iterator writerSpiIter = reg.getServiceProviders(ImageWriterSpi.class, true); 54 55 while (writerSpiIter.hasNext()) { 56 ImageWriterSpi writerSpi = (ImageWriterSpi) writerSpiIter.next(); 57 writer = writerSpi.createWriterInstance(); 58 String names[] = writerSpi.getFormatNames(); 59 60 FileOutputStream fos = new FileOutputStream("temp"); 61 ImageOutputStream ios = ImageIO.createImageOutputStream(fos); 62 writer.setOutput(ios); 63 64 try { 65 writer.write(null, null, null); 66 } catch (IllegalArgumentException iae) { 67 System.out.println("PASS: Expected exception is thrown when null img is passed " + 68 "to the write method, for the image format: " + names[0]); 69 System.out.println("\n"); 70 } catch (Exception e) { 71 testFailed = true; 72 failMsg = failMsg + names[0] + ", "; 73 } 74 } 75 76 } catch (Exception e) { 77 testFailed = true; 78 throw new RuntimeException("Test Failed. Exception thrown: " + e.toString()); 79 } 80 if (testFailed) { 81 failMsg = failMsg.substring(0, failMsg.lastIndexOf(",")); 82 throw new RuntimeException(failMsg); 83 } 84 } 85 86 public static void main(String args[]) { 87 WriteNullImageTest test = new WriteNullImageTest(); 88 } 89 }