1/* 2 * Copyright (c) 1999, 2003, 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/* @test 25 * @bug 4283413 4171233 26 * @summary Make sure that the mark() and reset() methods behave as expected. 27 */ 28 29import java.io.*; 30 31 32public class MarkReset { 33 public static void main(String args[]) throws Exception { 34 35 boolean expOccurred = false; 36 byte data[] = {90, 91, 92, 93, 94, 95, 96, 97}; 37 PushbackInputStream in = 38 new PushbackInputStream(new ByteArrayInputStream(data)); 39 in.mark(-5); 40 in.mark(6); 41 in.mark(Integer.MAX_VALUE); 42 try { 43 in.reset(); 44 throw new RuntimeException("Expected exception not thrown"); 45 } catch (IOException e) { 46 // Correct result 47 } 48 in.read(); 49 in.read(); 50 try { 51 in.reset(); 52 throw new RuntimeException("Expected exception not thrown"); 53 } catch (IOException e) { 54 // Correct result 55 } 56 } 57} 58