--- /dev/null 2019-03-11 09:22:42.048915961 +0100 +++ new/test/hotspot/jtreg/runtime/valhalla/valuetypes/ValueTypeGetField.java 2019-03-11 14:27:55.522353643 +0100 @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package runtime.valhalla.valuetypes; + +import jdk.test.lib.Asserts; + +/* + * @test ValueTypeGetField + * @summary Value Type get field test + * @library /test/lib + * @compile -XDemitQtypes -XDenableValueTypes -XDallowWithFieldOperator Point.java ValueTypeGetField.java + * @run main/othervm -Xint -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueTypeGetField + * @run main/othervm -Xcomp -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueTypeGetField + */ +public class ValueTypeGetField { + + static Point staticPoint0; + static Point staticPoint1; + Point instancePoint0; + Point instancePoint1; + + static { + staticPoint0 = Point.createPoint(358, 406); + staticPoint1 = Point.createPoint(101, 2653); + } + + ValueTypeGetField() { + instancePoint0 = Point.createPoint(1890, 1918); + instancePoint1 = Point.createPoint(91, 102); + } + + public static void main(String[] args) { + ValueTypeGetField valueTypeGetField = new ValueTypeGetField(); + System.gc(); // check that VTs survive GC + valueTypeGetField.run(); + } + + public void run() { + // testing initial configuration + checkPoint(staticPoint0, 358, 406); + checkPoint(staticPoint1, 101, 2653); + checkPoint(instancePoint0, 1890, 1918); + checkPoint(instancePoint1, 91, 102); + // swapping static fields + Point p = staticPoint1; + staticPoint1 = staticPoint0; + staticPoint0 = p; + System.gc(); + checkPoint(staticPoint0, 101, 2653); + checkPoint(staticPoint1, 358, 406); + //swapping instance fields + p = instancePoint1; + instancePoint1 = instancePoint0; + instancePoint0 = p; + System.gc(); + checkPoint(instancePoint0, 91, 102); + checkPoint(instancePoint1, 1890, 1918); + // instance to static + staticPoint0 = instancePoint0; + System.gc(); + checkPoint(staticPoint0, 91, 102); + // static to instance + instancePoint1 = staticPoint1; + System.gc(); + checkPoint(instancePoint1, 358, 406); + } + + static void checkPoint(Point p , int x, int y) { + Asserts.assertEquals(p.x, x, "invalid x value"); + Asserts.assertEquals(p.y, y, "invalid y value"); + } +}