1 /* 2 * Copyright (c) 2002, 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 TestStackOverflow 26 * @key gc 27 * @bug 4396719 28 * @summary Test verifies only that VM doesn't crash but throw expected Error. 29 * @run main/othervm TestStackOverflow 30 */ 31 32 public class TestStackOverflow { 33 final static int LOOP_LENGTH = 1000000; 34 final static int LOGGING_STEP = 10000; 35 36 public static void main(String args[]) { 37 Object object = null; 38 39 for (int i = 0; i < LOOP_LENGTH; i++) { 40 41 // Check progress 42 if (i % LOGGING_STEP == 0) { 43 System.out.println(i); 44 } 45 try { 46 Object array[] = {object, object, object, object, object}; 47 object = array; 48 } catch (OutOfMemoryError e) { 49 object = null; 50 System.out.println("Caught OutOfMemoryError."); 51 return; 52 } catch (StackOverflowError e) { 53 object = null; 54 System.out.println("Caught StackOverflowError."); 55 return; 56 } 57 } 58 } 59 } 60