1 /* 2 * Copyright (c) 2001, 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 4403355 27 * @summary Checks that PNGImage{Reader,Writer}Spi.getStreamMetadataFormatNames 28 * and getNativeStreamMetadataFormatName return null 29 * @modules java.desktop/com.sun.imageio.plugins.png 30 */ 31 32 import javax.imageio.spi.ImageReaderSpi; 33 import javax.imageio.spi.ImageWriterSpi; 34 35 import com.sun.imageio.plugins.png.PNGImageReaderSpi; 36 import com.sun.imageio.plugins.png.PNGImageWriterSpi; 37 38 public class PNGSpiStreamMetadata { 39 40 private static void fatal() { 41 throw new RuntimeException("Got a non-null stream metadata format!"); 42 } 43 44 public static void main(String[] args) { 45 ImageReaderSpi rspi = new PNGImageReaderSpi(); 46 if (rspi.getNativeStreamMetadataFormatName() != null) { 47 fatal(); 48 } 49 if (rspi.isStandardStreamMetadataFormatSupported() != false) { 50 fatal(); 51 } 52 if (rspi.getExtraStreamMetadataFormatNames() != null) { 53 fatal(); 54 } 55 56 ImageWriterSpi wspi = new PNGImageWriterSpi(); 57 if (wspi.getNativeStreamMetadataFormatName() != null) { 58 fatal(); 59 } 60 if (wspi.isStandardStreamMetadataFormatSupported() != false) { 61 fatal(); 62 } 63 if (wspi.getExtraStreamMetadataFormatNames() != null) { 64 fatal(); 65 } 66 } 67 }