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 }