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.experimental.value.ValueType;
  25 import org.testng.annotations.Test;
  26 
  27 import java.lang.invoke.MethodHandle;
  28 import java.lang.invoke.MethodHandles;
  29 import java.lang.invoke.MethodType;
  30 
  31 import static org.testng.Assert.assertEquals;
  32 import static org.testng.Assert.fail;
  33 import static org.testng.AssertJUnit.assertTrue;
  34 
  35 /*
  36  * @test
  37  * @run testng/othervm -XX:+EnableMVT -Dvalhalla.enablePoolPatches=true ConstructorTest
  38  */
  39 
  40 @Test
  41 public class ConstructorTest {
  42 
  43     static final ValueType<?> VT_Interval = ValueType.forClass(Interval.class);
  44 
  45     static final MethodHandle VT_constructor;
  46     static {
  47         try {
  48             MethodHandle mh = VT_Interval.findConstructor(MethodHandles.lookup(),
  49                                                           MethodType.methodType(void.class, int.class, int.class));
  50             VT_constructor = MethodHandles.filterReturnValue(mh, VT_Interval.box());
  51         } catch (Exception e) {
  52             throw new InternalError(e);
  53         }
  54     }
  55 
  56     public void testConstructorWithValidArguments() throws Throwable {
  57         Interval i = (Interval) VT_constructor.invoke(1, 2);
  58         assertEquals(i.l, 1);
  59         assertEquals(i.u, 2);
  60     }
  61 
  62     public void testConstructorWithIllegalArguments() throws Throwable {
  63         try {
  64             Interval i = (Interval) VT_constructor.invoke(3, 1);
  65             fail();
  66         } catch (Throwable t) {
  67             assertTrue(IllegalArgumentException.class.isInstance(t));
  68         }
  69     }
  70 }
--- EOF ---