1 /* 2 * Copyright (c) 2024, 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 * @test TestCloneableValue 26 * @library /test/lib 27 * @enablePreview 28 * @compile TestCloneableValue.java 29 * @run main/othervm runtime.valhalla.inlinetypes.TestCloneableValue 30 */ 31 32 package runtime.valhalla.inlinetypes; 33 34 import jdk.test.lib.Asserts; 35 36 import java.util.ArrayList; 37 38 public class TestCloneableValue { 39 40 static value class SimpleValue implements Cloneable { 41 int i; 42 double j; 43 44 public SimpleValue() { 45 i = 42; 46 j = Math.E; 47 } 48 49 @Override 50 public Object clone() throws CloneNotSupportedException { 51 return super.clone(); // delegate to Object's method performing a shallow copy 52 } 53 } 54 55 static value class NotSoSimpleValue implements Cloneable { 56 ArrayList list; 57 58 public NotSoSimpleValue() { 59 list = new ArrayList<>(); 60 } 61 62 private NotSoSimpleValue(ArrayList l) { 63 list = l; 64 } 65 66 @Override 67 public Object clone() throws CloneNotSupportedException { 68 return new NotSoSimpleValue((ArrayList)list.clone()); 69 } 70 } 71 72 public static void main(String[] args) { 73 var sv = new SimpleValue(); 74 try { 75 var c1 = sv.clone(); 76 Asserts.assertEQ(sv, c1); 77 Asserts.assertEQ(sv.hashCode(), c1.hashCode()); 78 } catch(CloneNotSupportedException e) { 79 Asserts.fail("Unexpected exception", e); 80 } 81 82 var nssv = new NotSoSimpleValue(); 83 try { 84 var c2 = nssv.clone(); 85 Asserts.assertNE(nssv, c2); 86 Asserts.assertEQ(nssv.hashCode(), c2.hashCode()); 87 } catch(CloneNotSupportedException e) { 88 Asserts.fail("Unexpected exception", e); 89 } 90 } 91 }