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 }