1 /*
   2  * Copyright (c) 2015, 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 package org.graalvm.compiler.replacements.test;
  24 
  25 import org.junit.Test;
  26 
  27 import org.graalvm.compiler.core.test.GraalCompilerTest;
  28 
  29 /**
  30  * Tests the unsigned operations on {@link Integer} and {@link Long}.
  31  */
  32 public class UnsignedIntegerTest extends GraalCompilerTest {
  33 
  34     public static int compareInteger(int a, int b) {
  35         return Integer.compareUnsigned(a, b);
  36     }
  37 
  38     public static int divideInteger(int a, int b) {
  39         return Integer.divideUnsigned(a, b);
  40     }
  41 
  42     public static int remainderInteger(int a, int b) {
  43         return Integer.remainderUnsigned(a, b);
  44     }
  45 
  46     public static long compareLong(long a, long b) {
  47         return Long.compareUnsigned(a, b);
  48     }
  49 
  50     public static long divideLong(long a, long b) {
  51         return Long.divideUnsigned(a, b);
  52     }
  53 
  54     public static long remainderLong(long a, long b) {
  55         return Long.remainderUnsigned(a, b);
  56     }
  57 
  58     private void testInteger(int a, int b) {
  59         test("compareInteger", a, b);
  60         test("divideInteger", a, b);
  61         test("remainderInteger", a, b);
  62     }
  63 
  64     private void testLong(long a, long b) {
  65         test("compareLong", a, b);
  66         test("divideLong", a, b);
  67         test("remainderLong", a, b);
  68     }
  69 
  70     @Test
  71     public void testInteger() {
  72         testInteger(5, 7);
  73         testInteger(-3, -7);
  74         testInteger(-3, 7);
  75         testInteger(42, -5);
  76     }
  77 
  78     @Test
  79     public void testLong() {
  80         testLong(5, 7);
  81         testLong(-3, -7);
  82         testLong(-3, 7);
  83         testLong(42, -5);
  84     }
  85 }