1 /*
   2  * Copyright (c) 2018, 2018, 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 
  25 package org.graalvm.compiler.core.test;
  26 
  27 import org.junit.Test;
  28 
  29 import java.util.Arrays;
  30 import java.util.concurrent.TimeUnit;
  31 
  32 public class EnumValuesTest extends GraalCompilerTest {
  33 
  34     private static final int NANOS_INDEX = Arrays.asList(TimeUnit.values()).indexOf(TimeUnit.NANOSECONDS);
  35 
  36     @SuppressWarnings("unused")
  37     public static void iterateUnits() {
  38         for (TimeUnit unit : TimeUnit.values()) {
  39             // nop
  40         }
  41     }
  42 
  43     public static void empty() {
  44     }
  45 
  46     @Test
  47     public void test0() {
  48         assertEquals(getFinalGraph("empty"), getFinalGraph("iterateUnits"));
  49     }
  50 
  51     public static TimeUnit getNanosValues() {
  52         return TimeUnit.values()[NANOS_INDEX];
  53     }
  54 
  55     public static TimeUnit getNanos() {
  56         return TimeUnit.NANOSECONDS;
  57     }
  58 
  59     @Test
  60     public void test1() {
  61         assertEquals(getFinalGraph("getNanos"), getFinalGraph("getNanosValues"));
  62     }
  63 }