1 /*
   2  * Copyright (c) 2014, 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 /*
  26  * @test
  27  * @bug 8033626
  28  * @summary assert(ex_map->jvms()->same_calls_as(_exceptions->jvms())) failed: all collected exceptions must come from the same place
  29  * @modules java.base/jdk.internal.misc
  30  * @library /testlibrary
  31  * @run main/othervm -XX:-TieredCompilation -Xbatch -XX:CompileOnly=TestObjectClone::f TestObjectClone
  32  */
  33 import jdk.test.lib.Asserts;
  34 
  35 public class TestObjectClone implements Cloneable {
  36     static class A extends TestObjectClone {}
  37     static class B extends TestObjectClone {
  38         public B clone() {
  39             return (B)TestObjectClone.b;
  40         }
  41     }
  42     static class C extends TestObjectClone {
  43         public C clone() {
  44             return (C)TestObjectClone.c;
  45         }
  46     }
  47     static class D extends TestObjectClone {
  48         public D clone() {
  49             return (D)TestObjectClone.d;
  50         }
  51     }
  52     static TestObjectClone a = new A(), b = new B(), c = new C(), d = new D();
  53 
  54     public static Object f(TestObjectClone o) throws CloneNotSupportedException {
  55         // Polymorphic call site: >90% Object::clone / <10% other methods
  56         return o.clone();
  57     }
  58 
  59     public static void main(String[] args) throws Exception {
  60         TestObjectClone[] params1 = {a, a, a, a, a, a, a, a, a, a, a,
  61                           a, a, a, a, a, a, a, a, a, a, a,
  62                           a, a, a, a, a, a, a, a, a, a, a,
  63                           b, c, d};
  64 
  65         for (int i = 0; i < 15000; i++) {
  66             f(params1[i % params1.length]);
  67         }
  68 
  69         Asserts.assertTrue(f(a) != a);
  70         Asserts.assertTrue(f(b) == b);
  71         Asserts.assertTrue(f(c) == c);
  72         Asserts.assertTrue(f(d) == d);
  73 
  74         try {
  75             f(null);
  76             throw new AssertionError("");
  77         } catch (NullPointerException e) { /* expected */ }
  78 
  79         System.out.println("TEST PASSED");
  80     }
  81 }