1 /* 2 * Copyright (c) 2018, 2019, 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 25 /* 26 * @test 27 * @summary test VarHandle on inline class array 28 * @compile -XDallowWithFieldOperator Point.java 29 * @compile -XDallowWithFieldOperator Line.java 30 * @compile -XDallowWithFieldOperator MutablePath.java 31 * @compile -XDallowWithFieldOperator MixedValues.java NonFlattenValue.java 32 * @run testng/othervm -XX:+EnableValhalla -XX:ValueArrayElemMaxFlatSize=-1 ArrayElementVarHandleTest 33 * @run testng/othervm -XX:+EnableValhalla -XX:ValueArrayElemMaxFlatSize=0 ArrayElementVarHandleTest 34 */ 35 36 import java.lang.invoke.*; 37 38 import org.testng.annotations.DataProvider; 39 import org.testng.annotations.Test; 40 import static org.testng.Assert.*; 41 42 public class ArrayElementVarHandleTest { 43 private static final Point P = Point.makePoint(10, 20); 44 private static final Line L = Line.makeLine(10, 20, 30, 40); 45 private static final MutablePath PATH = MutablePath.makePath(10, 20, 30, 40); 46 47 private static Class<?> nullablePointArrayClass() { 48 Object a = new Point?[0]; 49 return a.getClass(); 50 } 51 52 @DataProvider(name="arrayTests") 53 static Object[][] arrayTests() { 54 return new Object[][]{ 55 new Object[] { Point[].class, 56 new Point[] { Point.makePoint(1, 2), 57 Point.makePoint(10, 20), 58 Point.makePoint(100, 200)}}, 59 new Object[] { Point[][].class, 60 new Point[][] { new Point[] { Point.makePoint(1, 2), 61 Point.makePoint(10, 20)}}}, 62 new Object[] { nullablePointArrayClass(), 63 new Point?[] { Point.makePoint(11, 22), 64 Point.makePoint(110, 220), 65 null}}, 66 new Object[] { Line[].class, 67 new Line[] { Line.makeLine(1, 2, 3, 4), 68 Line.makeLine(10, 20, 30, 40), 69 Line.makeLine(15, 25, 35, 45), 70 Line.makeLine(20, 30, 40, 50)}}, 71 new Object[] { MutablePath[].class, 72 new MutablePath[] { MutablePath.makePath(1, 2, 3, 4), 73 MutablePath.makePath(10, 20, 30, 40), 74 MutablePath.makePath(15, 25, 35, 45), 75 MutablePath.makePath(20, 30, 40, 50)}}, 76 new Object[] { MixedValues[].class, 77 new MixedValues[] { new MixedValues(P, L, PATH, "mixed", "values")}}, 78 new Object[] { NonFlattenValue[].class, 79 new NonFlattenValue[] { NonFlattenValue.make(1, 2), 80 NonFlattenValue.make(10, 20), 81 NonFlattenValue.make(100, 200)}}, 82 }; 83 } 84 85 @Test(dataProvider="arrayTests") 86 public void set(Class<?> arrayType, Object[] elements) throws Throwable { 87 VarHandle vh = MethodHandles.arrayElementVarHandle(arrayType); 88 MethodHandle ctor = MethodHandles.arrayConstructor(arrayType); 89 Object[] array = (Object[])ctor.invoke(elements.length); 90 for (int i=0; i < elements.length; i++) { 91 vh.set(array, i, elements[i]); 92 } 93 for (int i=0; i < elements.length; i++) { 94 Object v = (Object)vh.get(array, i); 95 assertEquals(v, elements[i]); 96 } 97 } 98 99 @Test(dataProvider="arrayTests") 100 public void setVolatile(Class<?> arrayType, Object[] elements) throws Throwable { 101 VarHandle vh = MethodHandles.arrayElementVarHandle(arrayType); 102 MethodHandle ctor = MethodHandles.arrayConstructor(arrayType); 103 Object[] array = (Object[])ctor.invoke(elements.length); 104 for (int i=0; i < elements.length; i++) { 105 vh.setVolatile(array, i, elements[i]); 106 } 107 for (int i=0; i < elements.length; i++) { 108 Object v = (Object)vh.getVolatile(array, i); 109 assertEquals(v, elements[i]); 110 } 111 } 112 113 @Test(dataProvider="arrayTests") 114 public void setOpaque(Class<?> arrayType, Object[] elements) throws Throwable { 115 VarHandle vh = MethodHandles.arrayElementVarHandle(arrayType); 116 MethodHandle ctor = MethodHandles.arrayConstructor(arrayType); 117 Object[] array = (Object[])ctor.invoke(elements.length); 118 for (int i=0; i < elements.length; i++) { 119 vh.setOpaque(array, i, elements[i]); 120 } 121 for (int i=0; i < elements.length; i++) { 122 Object v = (Object)vh.getOpaque(array, i); 123 assertEquals(v, elements[i]); 124 } 125 } 126 127 @Test(dataProvider="arrayTests") 128 public void getAndSet(Class<?> arrayType, Object[] elements) throws Throwable { 129 VarHandle vh = MethodHandles.arrayElementVarHandle(arrayType); 130 MethodHandle ctor = MethodHandles.arrayConstructor(arrayType); 131 Object[] array = (Object[])ctor.invoke(elements.length); 132 for (int i=0; i < elements.length; i++) { 133 Object o = vh.getAndSet(array, i, elements[i]); 134 } 135 for (int i=0; i < elements.length; i++) { 136 Object v = (Object)vh.get(array, i); 137 assertEquals(v, elements[i]); 138 } 139 } 140 }