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