/*
 * Copyright (c) 2025, 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.
 */

import jdk.internal.vm.annotation.NullRestricted;
import jdk.internal.vm.annotation.Strict;

/*
javac --enable-preview -source 25 --add-exports java.base/jdk.internal.vm.annotation=ALL-UNNAMED --add-exports java.base/jdk.internal.value=ALL-UNNAMED Test.java
java --enable-preview --add-exports java.base/jdk.internal.vm.annotation=ALL-UNNAMED --add-exports java.base/jdk.internal.value=ALL-UNNAMED -cp . -Xint -XX:+UseNullableValueFlattening -XX:-UseAtomicValueFlattening -XX:-UseNonAtomicValueFlattening Test
*/

public class Test {

    static value class MyValue1 {
        int x = 0;
    }

    static value class MyValue2 {
        MyValue1 val1 = new MyValue1();
        @Strict
        @NullRestricted
        MyValue1 val2 = new MyValue1();
    }

    public static void main(String[] args) {
        MyValue2 a = new MyValue2();
        MyValue2 b = new MyValue2();
        if (a != b) {
            throw new RuntimeException("FAIL");
        }
    }
}