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 -Xint -XX:+EnableValhalla runtime.valhalla.valuetypes.TestInheritedValueTypeFields
  34  */
  35 
  36 
  37 /*
  38  * @run main/othervm -XX:+EnableValhalla runtime.valhalla.valuetypes.TestInheritedValueTypeFields
  39  */
  40 
  41 class A {
  42     Point p;
  43 }
  44 
  45 class B extends A {
  46 
  47 }
  48 
  49 class C extends B {
  50     int i;
  51 }
  52 
  53 class D {
  54     long l;
  55 }
  56 
  57 class E extends D {
  58     Point p1;
  59 }
  60 
  61 class F extends E {
  62 
  63 }
  64 
  65 class G extends F {
  66     Point p2;
  67 }
  68 
  69 public class TestInheritedValueTypeFields {
  70 
  71     public static void main(String[] args) {
  72         for (int i = 0; i < 100000; i++) {
  73           run();
  74         }
  75     }
  76 
  77     public static void run() {
  78         B b = new B();
  79         Asserts.assertEquals(b.p.x, 0);
  80         Asserts.assertEquals(b.p.y, 0);
  81         b.p = Point.createPoint(1,2);
  82         Asserts.assertEquals(b.p.x, 1);
  83         Asserts.assertEquals(b.p.y, 2);
  84 
  85         G g = new G();
  86         Asserts.assertEquals(g.p1.x, 0);
  87         Asserts.assertEquals(g.p1.y, 0);
  88         Asserts.assertEquals(g.p2.x, 0);
  89         Asserts.assertEquals(g.p2.y, 0);
  90         g.p1 = Point.createPoint(1,2);
  91         g.p2 = Point.createPoint(3,4);
  92         Asserts.assertEquals(g.p1.x, 1);
  93         Asserts.assertEquals(g.p1.y, 2);
  94         Asserts.assertEquals(g.p2.x, 3);
  95         Asserts.assertEquals(g.p2.y, 4);
  96     }
  97 }