1 /* 2 * Copyright (c) 2000, 2018, 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 * @key stress 27 * 28 * @summary converted from VM testbase nsk/stress/stack/stack007. 29 * VM testbase keywords: [stress, stack, nonconcurrent] 30 * VM testbase readme: 31 * DESCRIPTION 32 * This test provokes multiple stack overflows in the same thread 33 * by invoking synchronized virtual recursive method for the given 34 * fixed depth of recursion (though, for a large depth). 35 * This test makes measures a number of recursive invocations 36 * before 1st StackOverflowError, and then tries to reproduce 37 * such StackOverflowError 10000 times -- each time by trying to 38 * invoke the same recursive method for the given fixed depth 39 * of invocations (which is 10 times that depth just measured). 40 * The test is deemed passed, if VM have not crashed. 41 * COMMENTS 42 * This test crashes HS versions 1.3 and 1.4 on Win32, Solaris, 43 * and Linux platforms in all execution modes. However, it passes 44 * against HS 2.0 on Win32 platform. 45 * See also the bug: 46 * 4366625 (P4/S4) multiple stack overflow causes HS crash 47 * 48 * @run main/othervm nsk.stress.stack.stack007 49 */ 50 51 package nsk.stress.stack; 52 53 54 import java.io.PrintStream; 55 56 public class stack007 implements stack007i { 57 final static int ITERATIONS = 1000; 58 final static int INCREMENT = 100; 59 60 public static void main(String[] args) { 61 int exitCode = run(args, System.out); 62 System.exit(exitCode + 95); 63 } 64 65 public static int run(String args[], PrintStream out) { 66 stack007i test = new stack007(); 67 int depth; 68 for (depth = 100; ; depth += INCREMENT) 69 try { 70 test.recurse(depth); 71 } catch (StackOverflowError soe) { 72 break; 73 } catch (OutOfMemoryError oome) { 74 break; 75 } 76 out.println("Max. depth: " + depth); 77 for (int i = 0; i < ITERATIONS; i++) 78 try { 79 test.recurse(10 * depth); 80 out.println("?"); 81 } catch (StackOverflowError soe) { 82 // OK. 83 } catch (OutOfMemoryError oome) { 84 // Also OK. 85 } 86 return 0; 87 } 88 89 public synchronized void recurse(int depth) { 90 if (depth > 0) 91 recurse(depth - 1); 92 } 93 } 94 95 interface stack007i { 96 void recurse(int depth); 97 }