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 import jdk.incubator.vector.*;
  25 import jdk.internal.misc.Unsafe;
  26 import org.testng.Assert;
  27 import org.testng.annotations.DataProvider;
  28 import org.testng.annotations.Test;
  29 
  30 /**
  31  * @test
  32  * @modules jdk.incubator.vector java.base/jdk.internal.misc
  33  * @run testng PreferredSpeciesTest
  34  */
  35 
  36 public class PreferredSpeciesTest {
  37     static final Unsafe U = Unsafe.getUnsafe();
  38 
  39     @DataProvider
  40     public static Object[][] classesProvider() {
  41         return new Object[][]{
  42                 {byte.class},
  43                 {short.class},
  44                 {int.class},
  45                 {float.class},
  46                 {long.class},
  47                 {double.class},
  48         };
  49     }
  50 
  51     @Test(dataProvider = "classesProvider")
  52     void testVectorLength(Class<?> c) {
  53         VectorSpecies<?> species = null;
  54         if (c == byte.class) {
  55             species = ByteVector.SPECIES_PREFERRED;
  56         } else if (c == short.class) {
  57             species = ShortVector.SPECIES_PREFERRED;
  58         } else if (c == int.class) {
  59             species = IntVector.SPECIES_PREFERRED;
  60         } else if (c == long.class) {
  61             species = LongVector.SPECIES_PREFERRED;
  62         } else if (c == float.class) {
  63             species = FloatVector.SPECIES_PREFERRED;
  64         } else if (c == double.class) {
  65             species = DoubleVector.SPECIES_PREFERRED;
  66         } else {
  67             throw new IllegalArgumentException("Bad vector element type: " + c.getName());
  68         }
  69 
  70         Assert.assertEquals(species.length(), U.getMaxVectorSize(c));
  71     }
  72 }