1 /* 2 * Copyright (c) 2005, 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 6284538 27 * @summary Test verifies whether IllegalStateException is thrown if the output 28 * stream have not set to the GIF image writer instance 29 */ 30 31 import java.io.IOException; 32 33 import javax.imageio.ImageIO; 34 import javax.imageio.ImageWriteParam; 35 import javax.imageio.ImageWriter; 36 import javax.imageio.metadata.IIOMetadata; 37 38 public class PrepareWriteSequenceTest { 39 public static void main(String[] args) throws IOException { 40 String format = "GIF"; 41 ImageWriter writer = ImageIO.getImageWritersByFormatName(format).next(); 42 43 ImageWriteParam param = writer.getDefaultWriteParam(); 44 45 IIOMetadata streamMetadata = writer.getDefaultStreamMetadata(param); 46 47 boolean gotException = false; 48 try { 49 writer.prepareWriteSequence(streamMetadata); 50 } catch (IllegalStateException e) { 51 gotException = true; 52 System.out.println("Test passed."); 53 e.printStackTrace(System.out); 54 } 55 56 if (!gotException) { 57 throw new RuntimeException("Test failed."); 58 } 59 } 60 }