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 java.util.Arrays; 27 28 import static jdk.test.lib.Asserts.*; 29 30 /* 31 * @test ValueTypeArray 32 * @summary Plain array test for Value Types 33 * @library /test/lib 34 * @compile -XDenableValueTypes ValueTypeArray.java Point.java Long8Value.java Person.java 35 * @run main/othervm -Xint -XX:+ValueArrayFlatten -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueTypeArray 36 */ 37 38 /* 39 * @run main/othervm -Xint -XX:-ValueArrayFlatten -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueTypeArray 40 * @run main/othervm -Xcomp -XX:+ValueArrayFlatten -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueTypeArray 41 * @run main/othervm -Xcomp -XX:-ValueArrayFlatten -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueTypeArray 42 */ 43 public class ValueTypeArray { 44 public static void main(String[] args) { 45 ValueTypeArray valueTypeArray = new ValueTypeArray(); 46 valueTypeArray.run(); 47 } 48 49 public void run() { 50 // Class.forName does not support loading of DVT 51 // - should call ValueType::arrayTypeClass instead? 52 // testClassForName(); 53 testSimplePointArray(); 54 testLong8Array(); 55 // embedded oops not yet supported 56 //testMixedPersonArray(); 57 testMultiDimPointArray(); 58 // Some design issues, ignore for now 59 //testAtomicArray(); 60 //testArrayCopy(); 61 testReflectArray(); 62 } 63 64 void testClassForName() { 65 String arrayClsName = "[Qruntime.valhalla.valuetypes.Point;"; 66 try { 67 Class<?> arrayCls = Class.forName(arrayClsName); 68 assertTrue(arrayCls.isArray(), "Expected an array class"); 69 assertTrue(arrayCls.getComponentType() == Point.class, 70 "Expected component type of Point.class"); 71 72 arrayClsName = "[" + arrayClsName; 73 Class<?> mulArrayCls = Class.forName(arrayClsName); 74 assertTrue(mulArrayCls.isArray()); 75 assertTrue(mulArrayCls.getComponentType() == arrayCls); 76 } 77 catch (ClassNotFoundException cnfe) { 78 fail("Class.forName(" + arrayClsName + ") failed", cnfe); 79 } 80 } 81 82 void testSimplePointArray() { 83 Point[] points = createSimplePointArray(); 84 checkSimplePointArray(points); 85 System.gc(); // check that VTs survive GC 86 87 assertTrue(points instanceof Point[], "Instance of"); 88 89 Point[] pointsCopy = new Point[points.length]; 90 System.arraycopy(points, 0, pointsCopy, 0, points.length); 91 checkSimplePointArray(pointsCopy); 92 } 93 94 static Point[] createSimplePointArray() { 95 Point[] ps = new Point[2]; 96 assertEquals(ps.length, 2, "Length"); 97 System.out.println(ps); 98 ps[0] = Point.createPoint(1, 2); 99 ps[1] = Point.createPoint(3, 4); 100 System.gc(); // check that VTs survive GC 101 return ps; 102 } 103 104 static void checkSimplePointArray(Point[] points) { 105 assertEquals(points[0].x, 1, "invalid 0 point x value"); 106 assertEquals(points[0].y, 2, "invalid 0 point y value"); 107 assertEquals(points[1].x, 3, "invalid 1 point x value"); 108 assertEquals(points[1].y, 4, "invalid 1 point y value"); 109 } 110 111 void testLong8Array() { 112 Long8Value[] values = new Long8Value[3]; 113 assertEquals(values.length, 3, "length"); 114 System.out.println(values); 115 Long8Value value = values[1]; 116 long zl = 0; 117 Long8Value.check(value, zl, zl, zl, zl, zl, zl, zl, zl); 118 values[1] = Long8Value.create(1, 2, 3, 4, 5, 6, 7, 8); 119 value = values[1]; 120 Long8Value.check(value, 1, 2, 3, 4, 5, 6, 7, 8); 121 122 Long8Value[] copy = new Long8Value[values.length]; 123 System.arraycopy(values, 0, copy, 0, values.length); 124 value = copy[1]; 125 Long8Value.check(value, 1, 2, 3, 4, 5, 6, 7, 8); 126 } 127 128 void testMixedPersonArray() { 129 Person[] people = new Person[3]; 130 131 people[0] = Person.create(1, "First", "Last"); 132 assertEquals(people[0].getId(), 1L, "Invalid Id"); 133 assertEquals(people[0].getFirstName(), "First", "Invalid First Name"); 134 assertEquals(people[0].getLastName(), "Last", "Invalid Last Name"); 135 136 people[1] = Person.create(2, "Jane", "Wayne"); 137 people[2] = Person.create(3, "Bob", "Dobalina"); 138 139 Person[] peopleCopy = new Person[people.length]; 140 System.arraycopy(people, 0, peopleCopy, 0, people.length); 141 assertEquals(peopleCopy[2].getId(), 3L, "Invalid Id"); 142 assertEquals(peopleCopy[2].getFirstName(), "Bob", "Invalid First Name"); 143 assertEquals(peopleCopy[2].getLastName(), "Dobalina", "Invalid Last Name"); 144 } 145 146 void testMultiDimPointArray() { 147 Point[][][] multiPoints = new Point[2][3][4]; 148 assertEquals(multiPoints.length, 2, "1st dim length"); 149 assertEquals(multiPoints[0].length, 3, "2st dim length"); 150 assertEquals(multiPoints[0][0].length, 4, "3rd dim length"); 151 152 Point defaultPoint = multiPoints[1][2][3]; 153 assertEquals(defaultPoint.x, 0, "invalid point x value"); 154 assertEquals(defaultPoint.y, 0, "invalid point x value"); 155 } 156 157 158 @SuppressWarnings("unchecked") 159 void testArrayCopy() { 160 // Test copy atomic vs relax combos... 161 int testLength = 3; 162 Long8Value long8Value = Long8Value.create(1, 2, 3, 4, 5, 6, 7, 8); 163 Long8Value long8ValueZero = Long8Value.create(0, 0, 0, 0, 0, 0, 0, 0); 164 Long8Value[] relaxedValues = new Long8Value[testLength]; 165 for (int i = 0; i < testLength; i++) { 166 relaxedValues[i] = long8Value; 167 } 168 169 // relaxed -> relaxed 170 Long8Value[] relaxedValues2 = new Long8Value[testLength]; 171 System.arraycopy(relaxedValues, 0, relaxedValues2, 0, testLength); 172 Long8Value.check(relaxedValues2[testLength-1], 1, 2, 3, 4, 5, 6, 7, 8); 173 } 174 175 void testReflectArray() { 176 // Check the java.lang.reflect.Array.newInstance methods... 177 Class<?> cls = (Class<?>) Point[].class; 178 Point[][] array = (Point[][]) java.lang.reflect.Array.newInstance(cls, 1); 179 assertEquals(array.length, 1, "Incorrect length"); 180 assertTrue(array[0] == null, "Expected NULL"); 181 182 Point[][][] array3 = (Point[][][]) java.lang.reflect.Array.newInstance(cls, 1, 2); 183 assertEquals(array3.length, 1, "Incorrect length"); 184 assertEquals(array3[0].length, 2, "Incorrect length"); 185 assertTrue(array3[0][0] == null, "Expected NULL"); 186 187 // Now create ObjArrays of ValueArray... 188 cls = (Class<?>) Point.class; 189 array = (Point[][]) java.lang.reflect.Array.newInstance(cls, 1, 2); 190 assertEquals(array.length, 1, "Incorrect length"); 191 assertEquals(array[0].length, 2, "Incorrect length"); 192 Point p = array[0][1]; 193 int x = p.x; 194 assertEquals(x, 0, "Bad Point Value"); 195 } 196 197 }