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 
  24 package runtime.valhalla.valuetypes;
  25 
  26 import jdk.test.lib.Asserts;
  27 
  28 /*
  29  * @test TestInheritedValueTypeFields
  30  * @summary Test if value field klasses are correctly retrieved for inherited fields
  31  * @library /test/lib
  32  * @compile -XDenableValueTypes Point.java TestInheritedValueTypeFields.java
  33  * @run main/othervm -XX:+EnableValhalla runtime.valhalla.valuetypes.TestInheritedValueTypeFields
  34  */
  35 
  36 class A {
  37     Point p;
  38 }
  39 
  40 class B extends A {
  41 
  42 }
  43 
  44 class C extends B {
  45     int i;
  46 }
  47 
  48 class D {
  49     long l;
  50 }
  51 
  52 class E extends D {
  53     Point p1;
  54 }
  55 
  56 class F extends E {
  57 
  58 }
  59 
  60 class G extends F {
  61     Point p2;
  62 }
  63 
  64 public class TestInheritedValueTypeFields {
  65 
  66     public static void main(String[] args) {
  67         for (int i = 0; i < 100000; i++) {
  68           run();
  69         }
  70     }
  71 
  72     public static void run() {
  73         B b = new B();
  74         Asserts.assertEquals(b.p.x, 0);
  75         Asserts.assertEquals(b.p.y, 0);
  76         b.p = Point.createPoint(1,2);
  77         Asserts.assertEquals(b.p.x, 1);
  78         Asserts.assertEquals(b.p.y, 2);
  79 
  80         G g = new G();
  81         Asserts.assertEquals(g.p1.x, 0);
  82         Asserts.assertEquals(g.p1.y, 0);
  83         Asserts.assertEquals(g.p2.x, 0);
  84         Asserts.assertEquals(g.p2.y, 0);
  85         g.p1 = Point.createPoint(1,2);
  86         g.p2 = Point.createPoint(3,4);
  87         Asserts.assertEquals(g.p1.x, 1);
  88         Asserts.assertEquals(g.p1.y, 2);
  89         Asserts.assertEquals(g.p2.x, 3);
  90         Asserts.assertEquals(g.p2.y, 4);
  91     }
  92 }