| /* |
| * Copyright (c) 2017, 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. |
| */ |
| |
| |
| package org.graalvm.compiler.hotspot.test; |
| |
| import java.util.ArrayList; |
| |
| import org.graalvm.compiler.core.test.GraalCompilerTest; |
| import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration; |
| import org.junit.Test; |
| |
| /** |
| * Exercise intrinsification of {@link Object#clone}. |
| */ |
| public class ObjectCloneTest extends GraalCompilerTest { |
| |
| public static Object cloneArray(int[] array) { |
| return array.clone(); |
| } |
| |
| public static Object cloneList(ArrayList<?> list) { |
| return list.clone(); |
| } |
| |
| static class ObjectCloneable implements Cloneable { |
| int field; |
| |
| @Override |
| protected Object clone() throws CloneNotSupportedException { |
| try { |
| return super.clone(); |
| } catch (CloneNotSupportedException e) { |
| throw new AssertionError(); |
| } |
| } |
| } |
| |
| static class CloneableSubclass extends ObjectCloneable { |
| |
| } |
| |
| /* |
| * This test checks that the ObjectCloneNode doesn't accidentally inject non-nullness into the |
| * graph which is later removed. |
| */ |
| public static Object notCloneable(ObjectCloneable cloneable) throws CloneNotSupportedException { |
| ObjectCloneable clone = (ObjectCloneable) cloneable.clone(); |
| return clone.getClass(); |
| } |
| |
| @Test |
| public void testNotIntrinsified() throws Throwable { |
| test("notCloneable", new CloneableSubclass()); |
| } |
| |
| @Test |
| public void testArray() throws Throwable { |
| test("cloneArray", new int[]{1, 2, 4, 3}); |
| } |
| |
| @Test |
| public void testList() throws Throwable { |
| ArrayList<Object> list = new ArrayList<>(); |
| for (int i = 0; i < 4; i++) { |
| list.add(i); |
| } |
| test("cloneList", list); |
| } |
| |
| @Override |
| protected GraphBuilderConfiguration editGraphBuilderConfiguration(GraphBuilderConfiguration conf) { |
| return super.editGraphBuilderConfiguration(conf.withNodeSourcePosition(true)); |
| } |
| |
| static final int[] ARRAY = new int[]{1, 2, 4, 3}; |
| |
| public static int[] cloneConstantArray() { |
| return ARRAY.clone(); |
| } |
| |
| @Test |
| public void testCloneConstantArray() { |
| test("cloneConstantArray"); |
| } |
| } |