1 /*
   2  * Copyright (c) 2017, 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 package runtime.valhalla.valuetypes;
  24 
  25 @jvm.internal.value.ValueCapableClass
  26 public final class ValueCapableClass {
  27 
  28     public static final int DEFAULT_X = 11;
  29     public static final short DEFAULT_Y = 13;
  30     public static final short DEFAULT_Z = 15;
  31     public static final String STATIC_FIELD = "Should be left alone";
  32 
  33     public final int   x;
  34     public final short y;
  35     public final short z;
  36 
  37     private ValueCapableClass() {
  38         this(DEFAULT_X, DEFAULT_Y, DEFAULT_Z);
  39     }
  40 
  41     private ValueCapableClass(int x, short y, short z) {
  42         this.x = x;
  43         this.y = y;
  44         this.z = z;
  45     }
  46 
  47     public int getX() {
  48         return x;
  49     }
  50 
  51     public short getY() {
  52         return y;
  53     }
  54 
  55     public short getZ() {
  56         return z;
  57     }
  58 
  59     public String toString() {
  60         int ax = getX();
  61         short ay = getY();
  62         short az = getZ();
  63         return "ValueCapableClass x=" + ax + " y=" + ay + " z=" + az;
  64     }
  65 
  66     public static ValueCapableClass create(int x, short y, short z) {
  67         return new ValueCapableClass(x, y, z);
  68     }
  69 
  70     public static ValueCapableClass create() {
  71         return new ValueCapableClass();
  72     }
  73 
  74     public static void test() {
  75         ValueCapableClass value = create(4711, (short)7, (short)11);
  76         String s = value.toString();
  77         if ((value.getX() != 4711) || (value.getY() != 7) || value.getZ() != 11) {
  78             throw new IllegalStateException("Bad value: " + s);
  79         }
  80         System.out.println(s);
  81         ValueCapableClass defaultValue = create();
  82         s = defaultValue.toString();
  83         if ((defaultValue.getX() != DEFAULT_X) ||
  84             (defaultValue.getY() != DEFAULT_Y) ||
  85             (defaultValue.getZ() != DEFAULT_Z)) {
  86             throw new IllegalStateException("Bad value: " + s);
  87         }
  88 
  89         if (!STATIC_FIELD.equals("Should be left alone")) {
  90             throw new IllegalStateException("Bad static field: " + STATIC_FIELD);
  91         }
  92     }
  93 
  94     public static void main(String[] args) {
  95         test();
  96     }
  97 }