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 import jdk.test.lib.Asserts; 26 27 /* 28 * @test ValueTypeGetField 29 * @summary Value Type get field test 30 * @library /test/lib 31 * @compile -XDenableValueTypes Point.java ValueTypeGetField.java 32 * @run main/othervm -Xint -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueTypeGetField 33 * @run main/othervm -Xcomp -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueTypeGetField 34 */ 35 public class ValueTypeGetField { 36 37 static Point staticPoint0; 38 static Point staticPoint1; 39 Point instancePoint0; 40 Point instancePoint1; 41 42 static { 43 staticPoint0 = Point.createPoint(358, 406); 44 staticPoint1 = Point.createPoint(101, 2653); 45 } 46 47 ValueTypeGetField() { 48 instancePoint0 = Point.createPoint(1890, 1918); 49 instancePoint1 = Point.createPoint(91, 102); 50 } 51 52 public static void main(String[] args) { 53 ValueTypeGetField valueTypeGetField = new ValueTypeGetField(); 54 System.gc(); // check that VTs survive GC 55 valueTypeGetField.run(); 56 } 57 58 public void run() { 59 // testing initial configuration 60 checkPoint(staticPoint0, 358, 406); 61 checkPoint(staticPoint1, 101, 2653); 62 checkPoint(instancePoint0, 1890, 1918); 63 checkPoint(instancePoint1, 91, 102); 64 // swapping static fields 65 Point p = staticPoint1; 66 staticPoint1 = staticPoint0; 67 staticPoint0 = p; 68 System.gc(); 69 checkPoint(staticPoint0, 101, 2653); 70 checkPoint(staticPoint1, 358, 406); 71 //swapping instance fields 72 p = instancePoint1; 73 instancePoint1 = instancePoint0; 74 instancePoint0 = p; 75 System.gc(); 76 checkPoint(instancePoint0, 91, 102); 77 checkPoint(instancePoint1, 1890, 1918); 78 // instance to static 79 staticPoint0 = instancePoint0; 80 System.gc(); 81 checkPoint(staticPoint0, 91, 102); 82 // static to instance 83 instancePoint1 = staticPoint1; 84 System.gc(); 85 checkPoint(instancePoint1, 358, 406); 86 } 87 88 static void checkPoint(Point p , int x, int y) { 89 Asserts.assertEquals(p.x, x, "invalid x value"); 90 Asserts.assertEquals(p.y, y, "invalid y value"); 91 } 92 }