1 /*
   2  * Copyright (c) 2015, 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 /testlibrary /
  34  * @run main/othervm -noverify -Xint -XX:+ValueArrayFlatten runtime.valhalla.valuetypes.ValueTypeArray
  35  * @run main/othervm -noverify -Xint -XX:-ValueArrayFlatten runtime.valhalla.valuetypes.ValueTypeArray
  36  */
  37 public class ValueTypeArray {
  38     public static void main(String[] args) {
  39         ValueTypeArray valueTypeArray = new ValueTypeArray();
  40         valueTypeArray.run();
  41     }
  42 
  43     public void run() {
  44         testClassForName();
  45         testSimplePointArray();
  46         testLong8Array();
  47         // embedded oops not yet supported
  48         //testMixedPersonArray();
  49         testMultiDimPointArray();
  50         // Some design issues, ignore for now
  51         //testAtomicArray();
  52         //testArrayCopy();
  53         testReflectArray();
  54     }
  55 
  56     void testClassForName() {
  57         String arrayClsName = "[Qruntime.valhalla.valuetypes.Point;";
  58         try {
  59             Class<?> arrayCls = Class.forName(arrayClsName);
  60             assertTrue(arrayCls.isArray(), "Expected an array class");
  61             assertTrue(arrayCls.getComponentType() == Point.class,
  62                        "Expected component type of Point.class");
  63 
  64             arrayClsName = "[" + arrayClsName;
  65             Class<?> mulArrayCls = Class.forName(arrayClsName);
  66             assertTrue(mulArrayCls.isArray());
  67             assertTrue(mulArrayCls.getComponentType() == arrayCls);
  68         }
  69         catch (ClassNotFoundException cnfe) {
  70             fail("Class.forName(" + arrayClsName + ") failed", cnfe);
  71         }
  72     }
  73 
  74     void testSimplePointArray() {
  75         Point[] points = createSimplePointArray();
  76         checkSimplePointArray(points);
  77         System.gc(); // check that VTs survive GC
  78 
  79         assertTrue(points instanceof Point[], "Instance of");
  80 
  81         Point[] pointsCopy = new Point[points.length];
  82         System.arraycopy(points, 0, pointsCopy, 0, points.length);
  83         checkSimplePointArray(pointsCopy);
  84     }
  85 
  86     static Point[] createSimplePointArray() {
  87         Point[] ps = new Point[2];
  88         assertEquals(ps.length, 2, "Length");
  89         System.out.println(ps);
  90         ps[0] = Point.createPoint(1, 2);
  91         ps[1] = Point.createPoint(3, 4);
  92         System.gc(); // check that VTs survive GC
  93         return ps;
  94     }
  95 
  96     static void checkSimplePointArray(Point[] points) {
  97         assertEquals(points[0].x, 1, "invalid 0 point x value");
  98         assertEquals(points[0].y, 2, "invalid 0 point y value");
  99         assertEquals(points[1].x, 3, "invalid 1 point x value");
 100         assertEquals(points[1].y, 4, "invalid 1 point y value");
 101     }
 102 
 103     void testLong8Array() {
 104         Long8Value[] values = new Long8Value[3];
 105         assertEquals(values.length, 3, "length");
 106         System.out.println(values);
 107         Long8Value value = values[1];
 108         long zl = 0;
 109         Long8Value.check(value, zl, zl, zl, zl, zl, zl, zl, zl);
 110         values[1] = Long8Value.create(1, 2, 3, 4, 5, 6, 7, 8);
 111         value = values[1];
 112         Long8Value.check(value, 1, 2, 3, 4, 5, 6, 7, 8);
 113 
 114         Long8Value[] copy = new Long8Value[values.length];
 115         System.arraycopy(values, 0, copy, 0, values.length);
 116         value = copy[1];
 117         Long8Value.check(value, 1, 2, 3, 4, 5, 6, 7, 8);
 118     }
 119 
 120     void testMixedPersonArray() {
 121         Person[] people = new Person[3];
 122 
 123         people[0] = Person.create(1, "First", "Last");
 124         assertEquals(people[0].getId(), 1L, "Invalid Id");
 125         assertEquals(people[0].getFirstName(), "First", "Invalid First Name");
 126         assertEquals(people[0].getLastName(), "Last", "Invalid Last Name");
 127 
 128         people[1] = Person.create(2, "Jane", "Wayne");
 129         people[2] = Person.create(3, "Bob", "Dobalina");
 130 
 131         Person[] peopleCopy = new Person[people.length];
 132         System.arraycopy(people, 0, peopleCopy, 0, people.length);
 133         assertEquals(peopleCopy[2].getId(), 3L, "Invalid Id");
 134         assertEquals(peopleCopy[2].getFirstName(), "Bob", "Invalid First Name");
 135         assertEquals(peopleCopy[2].getLastName(), "Dobalina", "Invalid Last Name");
 136     }
 137 
 138     void testMultiDimPointArray() {
 139         Point[][][] multiPoints = new Point[2][3][4];
 140         assertEquals(multiPoints.length, 2, "1st dim length");
 141         assertEquals(multiPoints[0].length, 3, "2st dim length");
 142         assertEquals(multiPoints[0][0].length, 4, "3rd dim length");
 143 
 144         Point defaultPoint = multiPoints[1][2][3];
 145         assertEquals(defaultPoint.x, 0, "invalid point x value");
 146         assertEquals(defaultPoint.y, 0, "invalid point x value");
 147     }
 148 
 149     @SuppressWarnings("unchecked")
 150     void testAtomicArray() {
 151         // <any T> not working just now ?
 152         IntValue[] intValues = new IntValue[3];
 153         assertTrue(Arrays.isAccessAtomic(intValues), "Not Atomic !");
 154         assertTrue(Arrays.ensureAtomicAccess(intValues) == intValues);
 155 
 156         Long8Value long8Value = Long8Value.create(1, 2, 3, 4, 5, 6, 7, 8);
 157         Long8Value.check(long8Value, 1, 2, 3, 4, 5, 6, 7, 8);
 158 
 159         Long8Value[] long8Values = new Long8Value[3];
 160         long8Values[1] = Long8Value.create(1, 2, 3, 4, 5, 6, 7, 11);
 161         assertFalse(Arrays.isAccessAtomic(long8Values), "Not Relaxed !");
 162         long8Values = (Long8Value[]) Arrays.ensureAtomicAccess(long8Values);
 163         assertTrue(Arrays.isAccessAtomic(long8Values), "Not Atomic !");
 164         Long8Value.check(long8Values[1], 1, 2, 3, 4, 5, 6, 7, 11);
 165 
 166         Long8Value[] oldLong8Values = long8Values;
 167         long8Values = (Long8Value[]) Arrays.ensureAtomicAccess(long8Values);
 168         assertTrue(oldLong8Values == long8Values, "Not the same !");
 169 
 170         long8Values[0] = Long8Value.create(1, 2, 3, 4, 5, 6, 7, 8);
 171         assertEquals(long8Values[0].getLongField1(), 1L, "Field 1 incorrect");
 172         assertEquals(long8Values[0].getLongField8(), 8L, "Field 8 incorrect");
 173         Long8Value.check(long8Values[0], 1, 2, 3, 4, 5, 6, 7, 8);
 174 
 175         long8Values[1] = long8Values[0];
 176         assertEquals(long8Values[1].getLongField1(), 1L, "Field 1 incorrect");
 177         assertEquals(long8Values[1].getLongField8(), 8L, "Field 8 incorrect");
 178         Long8Value.check(long8Values[1], 1, 2, 3, 4, 5, 6, 7, 8);
 179 
 180         long8Values[2] = long8Value;
 181         assertEquals(long8Values[2].getLongField1(), 1L, "Field 1 incorrect");
 182         assertEquals(long8Values[2].getLongField8(), 8L, "Field 8 incorrect");
 183         Long8Value.check(long8Values[2], 1, 2, 3, 4, 5, 6, 7, 8);
 184 
 185     }
 186 
 187     @SuppressWarnings("unchecked")
 188     void testArrayCopy() {
 189         // Test copy atomic vs relax combos...
 190         int testLength = 3;
 191         Long8Value long8Value = Long8Value.create(1, 2, 3, 4, 5, 6, 7, 8);
 192         Long8Value long8ValueZero = Long8Value.create(0, 0, 0, 0, 0, 0, 0, 0);
 193         Long8Value[] relaxedValues = new Long8Value[testLength];
 194         for (int i = 0; i < testLength; i++) {
 195             relaxedValues[i] = long8Value;
 196         }
 197 
 198         // relaxed -> relaxed
 199         Long8Value[] relaxedValues2 = new Long8Value[testLength];
 200         System.arraycopy(relaxedValues, 0, relaxedValues2, 0, testLength);
 201         Long8Value.check(relaxedValues2[testLength-1], 1, 2, 3, 4, 5, 6, 7, 8);
 202 
 203         // relaxed -> atomic
 204         Long8Value[] atomicValues = (Long8Value[]) Arrays.ensureAtomicAccess(relaxedValues);
 205         for (int i = 0; i < testLength; i++) {
 206             atomicValues[i] = long8ValueZero;
 207         }
 208         System.arraycopy(relaxedValues, 0, atomicValues, 0, testLength);
 209         Long8Value.check(relaxedValues2[testLength-1], 1, 2, 3, 4, 5, 6, 7, 8);
 210 
 211         // atomic -> relaxed
 212         for (int i = 0; i < testLength; i++) {
 213             relaxedValues[i] = long8ValueZero;
 214         }
 215         System.arraycopy(atomicValues, 0, relaxedValues, 0, testLength);
 216         Long8Value.check(relaxedValues[0], 1, 2, 3, 4, 5, 6, 7, 8);
 217 
 218         // atomic -> atomic
 219         Long8Value[] atomicValues2 = (Long8Value[]) Arrays.ensureAtomicAccess(relaxedValues);
 220         for (int i = 0; i < testLength; i++) {
 221             atomicValues2[i] = long8ValueZero;
 222         }
 223         System.arraycopy(atomicValues, 0, atomicValues2, 0, testLength);
 224         Long8Value.check(atomicValues2[0], 1, 2, 3, 4, 5, 6, 7, 8);
 225     }
 226 
 227     void testReflectArray() {
 228         // Check the java.lang.reflect.Array.newInstance methods...
 229         Class<?> cls = (Class<?>) Point[].class;
 230         Point[][] array = (Point[][]) java.lang.reflect.Array.newInstance(cls, 1);
 231         assertEquals(array.length, 1, "Incorrect length");
 232         assertTrue(array[0] == null, "Expected NULL");
 233 
 234         Point[][][] array3 = (Point[][][]) java.lang.reflect.Array.newInstance(cls, 1, 2);
 235         assertEquals(array3.length, 1, "Incorrect length");
 236         assertEquals(array3[0].length, 2, "Incorrect length");
 237         assertTrue(array3[0][0] == null, "Expected NULL");
 238 
 239         // Now create ObjArrays of ValueArray...
 240         cls = (Class<?>) Point.class;
 241         array = (Point[][]) java.lang.reflect.Array.newInstance(cls, 1, 2);
 242         assertEquals(array.length, 1, "Incorrect length");
 243         assertEquals(array[0].length, 2, "Incorrect length");
 244         Point p = array[0][1];
 245         int x = p.x;
 246         assertEquals(x, 0, "Bad Point Value");
 247     }
 248 
 249     /*
 250        TODO: Current repo state doesn't pick up the common test/lib Asserts
 251        remove this implementation when fixed
 252      */
 253     public static void fail(String msg, Throwable thr) { // Missing Asserts.fail(String, Throwable)
 254         throw new RuntimeException(msg, thr);
 255     }
 256 }