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 /** 25 * @test 26 * @bug 8074954 27 * @summary Test verifies that an IOException is triggered if input stream 28 * does not contain enough data to read a multi-byte type. 29 * 30 * @run main ShortStreamTest 31 */ 32 33 import javax.imageio.ImageIO; 34 import javax.imageio.stream.ImageInputStream; 35 import java.io.ByteArrayInputStream; 36 import java.io.IOException; 37 38 public class ShortStreamTest { 39 public static void main(String[] args) throws IOException { 40 TestCase[] tests = createTests(); 41 42 for (TestCase t : tests) { 43 t.test(); 44 } 45 } 46 47 private static abstract class TestCase { 48 abstract void testRead(ImageInputStream iis) throws IOException; 49 50 public void test() { 51 boolean gotException = false; 52 53 ImageInputStream iis = createShortStream(); 54 55 try { 56 testRead(iis); 57 } catch (IOException e) { 58 e.printStackTrace(System.out); 59 gotException = true; 60 } 61 62 if (!gotException) { 63 throw new RuntimeException("Test failed."); 64 } 65 System.out.println("Test PASSED"); 66 } 67 } 68 69 70 private static ImageInputStream createShortStream() { 71 try { 72 byte[] integerTestArray = new byte[] { 80 }; 73 ByteArrayInputStream bais = new ByteArrayInputStream(integerTestArray); 74 75 return ImageIO.createImageInputStream(bais); 76 } catch (IOException e) { 77 return null; 78 } 79 } 80 81 private static TestCase[] createTests() { 82 return new TestCase[]{ 83 new TestCase() { 84 @Override 85 void testRead(ImageInputStream iis) throws IOException { 86 iis.readInt(); 87 } 88 }, 89 new TestCase() { 90 @Override 91 void testRead(ImageInputStream iis) throws IOException { 92 iis.readShort(); 93 } 94 }, 95 new TestCase() { 96 @Override 97 void testRead(ImageInputStream iis) throws IOException { 98 iis.readDouble(); 99 } 100 }, 101 new TestCase() { 102 @Override 103 void testRead(ImageInputStream iis) throws IOException { 104 iis.readFloat(); 105 } 106 }, 107 new TestCase() { 108 @Override 109 void testRead(ImageInputStream iis) throws IOException { 110 iis.readLong(); 111 } 112 }, 113 new TestCase() { 114 @Override 115 void testRead(ImageInputStream iis) throws IOException { 116 iis.readUnsignedInt(); 117 } 118 }, 119 new TestCase() { 120 @Override 121 void testRead(ImageInputStream iis) throws IOException { 122 iis.readUnsignedShort(); 123 } 124 } 125 }; 126 } 127 }