1 /*
   2  * Copyright (c) 2011, 2012, 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 package org.graalvm.compiler.jtt.hotspot;
  24 
  25 import java.util.ArrayList;
  26 
  27 import org.junit.Before;
  28 import org.junit.Test;
  29 
  30 import org.graalvm.compiler.core.common.util.ArraySet;
  31 import org.graalvm.compiler.jtt.JTTTest;
  32 
  33 // @formatter:off
  34 public class Test6186134 extends JTTTest {
  35 
  36     public static class TestClass {
  37 
  38         int num = 0;
  39 
  40         public TestClass(int n) {
  41             num = n;
  42         }
  43 
  44         public boolean more() {
  45             return num-- > 0;
  46         }
  47 
  48         public ArrayList<?> test1() {
  49             ArrayList<Object> res = new ArrayList<>();
  50             int maxResults = Integer.MAX_VALUE;
  51             int n = 0;
  52             boolean more = more();
  53             while ((n++ < maxResults) && more) {
  54                 res.add(new Object());
  55                 more = more();
  56             }
  57             return res;
  58         }
  59 
  60     }
  61 
  62     public static int test(int n) {
  63         for (int i = 0; i < n; i++) {
  64             TestClass t = new TestClass(10);
  65             int size = t.test1().size();
  66             if (size != 10) {
  67                 return 97;
  68             }
  69         }
  70         return 0;
  71     }
  72 
  73     @Before
  74     public void setUp() {
  75         /* Ensure that ArrayList is _not_ a leaf class (otherwise code installation may fail due to a failed leaf type dependency). */
  76         UNSAFE.ensureClassInitialized(ArraySet.class);
  77     }
  78 
  79     @Test
  80     public void run0() throws Throwable {
  81         runTest("test", 100);
  82     }
  83 
  84 }