1 /*
   2  * Copyright (c) 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 import java.time.*;
  25 import org.testng.Assert;
  26 import org.testng.annotations.Test;
  27 
  28 /*
  29  * @test ValueBased
  30  * @summary Verify classes may defined as "Value-based"
  31  * @library /
  32  * @modules java.base
  33  * @run testng/othervm -XX:ValueBasedClasses=java/time/LocalTime,java/time/LocalDateTime,ValueBased ValueBased
  34  */
  35 public class ValueBased {
  36 
  37     int id;
  38     int equalsInvokeCount;
  39 
  40     public ValueBased()       { this(0); }
  41     public ValueBased(int id) { this.id = id; }
  42 
  43     public int getId()                { return id; }
  44     public int getEqualsInvokeCount() { return equalsInvokeCount; }
  45 
  46     public boolean equals(Object obj) {
  47         equalsInvokeCount++;
  48         if (obj instanceof ValueBased) {
  49             ValueBased that = (ValueBased) obj;
  50             return this.getId() == that.getId();
  51         }
  52         return false;
  53     }
  54 
  55     public static boolean testAcmp(Object obj1, Object obj2) {
  56         return obj1 == obj2;
  57     }
  58 
  59     @Test
  60     public void testJdkValueBasedClasses() {
  61         // Just check cfp is not broken with ValueBasedClasses
  62         LocalTime time1 = LocalTime.of(0, 0, 0, 999);
  63         LocalTime time2 = LocalTime.of(0, 0, 0, 999);
  64         testAcmp(time1, time2);
  65     }
  66 }