1 /* 2 * Copyright (c) 2017, 2018, 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 package runtime.valhalla.valuetypes; 25 26 value final class EmptyValue { 27 28 private EmptyValue() { 29 } 30 31 public static EmptyValue createEmptyValue() { 32 EmptyValue e = EmptyValue.default; 33 return e; 34 } 35 } 36 37 class EmptyTest { 38 public void run() { 39 EmptyValue.createEmptyValue(); 40 throw new RuntimeException("Expected class file parse error"); 41 } 42 } 43 44 /** 45 * @test Empty 46 * @summary Test empty value type 47 * @compile -XDemitQtypes -XDenableValueTypes -XDallowEmptyValues Empty.java 48 * @run main/othervm -Xint -XX:+EnableValhalla runtime.valhalla.valuetypes.Empty 49 * @run main/othervm -Xcomp -XX:+EnableValhalla runtime.valhalla.valuetypes.Empty 50 */ 51 public class Empty { 52 public static void main(String[] args) { 53 try { 54 EmptyTest test = new EmptyTest(); 55 test.run(); 56 } catch (ClassFormatError cfe) {} 57 } 58 }