1 /*
   2  * Copyright (c) 2014, 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.common.calc.UnsignedMath;
  28 import org.graalvm.compiler.core.test.GraalCompilerTest;
  29 
  30 /**
  31  * Tests the substitutions for the {@link UnsignedMath} class.
  32  */
  33 public class UnsignedMathTest extends GraalCompilerTest {
  34 
  35     public static boolean aboveThanInt(int a, int b) {
  36         return UnsignedMath.aboveThan(a, b);
  37     }
  38 
  39     public static boolean aboveOrEqualInt(int a, int b) {
  40         return UnsignedMath.aboveOrEqual(a, b);
  41     }
  42 
  43     public static boolean belowThanInt(int a, int b) {
  44         return UnsignedMath.belowThan(a, b);
  45     }
  46 
  47     public static boolean belowOrEqualInt(int a, int b) {
  48         return UnsignedMath.belowOrEqual(a, b);
  49     }
  50 
  51     public static int divideInt(int a, int b) {
  52         return Integer.divideUnsigned(a, b);
  53     }
  54 
  55     public static int remainderInt(int a, int b) {
  56         return Integer.remainderUnsigned(a, b);
  57     }
  58 
  59     public static boolean aboveThanLong(long a, long b) {
  60         return UnsignedMath.aboveThan(a, b);
  61     }
  62 
  63     public static boolean aboveOrEqualLong(long a, long b) {
  64         return UnsignedMath.aboveOrEqual(a, b);
  65     }
  66 
  67     public static boolean belowThanLong(long a, long b) {
  68         return UnsignedMath.belowThan(a, b);
  69     }
  70 
  71     public static boolean belowOrEqualLong(long a, long b) {
  72         return UnsignedMath.belowOrEqual(a, b);
  73     }
  74 
  75     public static long divideLong(long a, long b) {
  76         return Long.divideUnsigned(a, b);
  77     }
  78 
  79     public static long remainderLong(long a, long b) {
  80         return Long.remainderUnsigned(a, b);
  81     }
  82 
  83     private void testInt(int a, int b) {
  84         test("aboveThanInt", a, b);
  85         test("aboveOrEqualInt", a, b);
  86         test("belowThanInt", a, b);
  87         test("belowOrEqualInt", a, b);
  88         test("divideInt", a, b);
  89         test("remainderInt", a, b);
  90     }
  91 
  92     private void testLong(long a, long b) {
  93         test("aboveThanLong", a, b);
  94         test("aboveOrEqualLong", a, b);
  95         test("belowThanLong", a, b);
  96         test("belowOrEqualLong", a, b);
  97         test("divideLong", a, b);
  98         test("remainderLong", a, b);
  99     }
 100 
 101     @Test
 102     public void testInt() {
 103         testInt(5, 7);
 104         testInt(-3, -7);
 105         testInt(-3, 7);
 106         testInt(42, -5);
 107     }
 108 
 109     @Test
 110     public void testLong() {
 111         testLong(5, 7);
 112         testLong(-3, -7);
 113         testLong(-3, 7);
 114         testLong(42, -5);
 115     }
 116 }