1 /* 2 * Copyright (c) 2022, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* 27 * @test 28 * @bug 8281166 29 * @summary javac should generate BSM to invoke constructor for value class 30 * @enablePreview 31 * @compile ConstructorRefTest.java 32 * @run main/othervm ConstructorRefTest 33 */ 34 35 import java.util.function.Supplier; 36 37 public class ConstructorRefTest { 38 39 public static value class V { 40 41 final int x; 42 final int y; 43 44 V() { 45 x = 1234; 46 y = 5678; 47 } 48 } 49 50 public static class P { 51 52 final int x; 53 final int y; 54 55 P() { 56 x = 1234; 57 y = 5678; 58 } 59 } 60 61 public static void main(String [] args) { 62 63 Supplier<P> sxp = P::new; 64 P p = (P) sxp.get(); 65 if (p.x != 1234 || p.y != 5678) 66 throw new AssertionError(p); 67 68 Supplier<V> sxv = V::new; 69 V v = (V) sxv.get(); 70 if (v.x != 1234 || v.y != 5678) 71 throw new AssertionError(v); 72 } 73 }