Mercurial > hg > truffle
diff test/compiler/intrinsics/clone/TestObjectClone.java @ 18041:52b4284cb496
Merge with jdk8u20-b26
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Wed, 15 Oct 2014 16:02:50 +0200 |
parents | 00c8a1255912 |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/intrinsics/clone/TestObjectClone.java Wed Oct 15 16:02:50 2014 +0200 @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +/* + * @test + * @bug 8033626 + * @summary assert(ex_map->jvms()->same_calls_as(_exceptions->jvms())) failed: all collected exceptions must come from the same place + * @library /testlibrary + * @run main/othervm -XX:-TieredCompilation -Xbatch -XX:CompileOnly=TestObjectClone::f TestObjectClone + */ +import com.oracle.java.testlibrary.Asserts; + +public class TestObjectClone implements Cloneable { + static class A extends TestObjectClone {} + static class B extends TestObjectClone { + public B clone() { + return (B)TestObjectClone.b; + } + } + static class C extends TestObjectClone { + public C clone() { + return (C)TestObjectClone.c; + } + } + static class D extends TestObjectClone { + public D clone() { + return (D)TestObjectClone.d; + } + } + static TestObjectClone a = new A(), b = new B(), c = new C(), d = new D(); + + public static Object f(TestObjectClone o) throws CloneNotSupportedException { + // Polymorphic call site: >90% Object::clone / <10% other methods + return o.clone(); + } + + public static void main(String[] args) throws Exception { + TestObjectClone[] params1 = {a, a, a, a, a, a, a, a, a, a, a, + a, a, a, a, a, a, a, a, a, a, a, + a, a, a, a, a, a, a, a, a, a, a, + b, c, d}; + + for (int i = 0; i < 15000; i++) { + f(params1[i % params1.length]); + } + + Asserts.assertTrue(f(a) != a); + Asserts.assertTrue(f(b) == b); + Asserts.assertTrue(f(c) == c); + Asserts.assertTrue(f(d) == d); + + try { + f(null); + throw new AssertionError(""); + } catch (NullPointerException e) { /* expected */ } + + System.out.println("TEST PASSED"); + } +}