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.jtt.lang;
  24 
  25 import org.junit.Test;
  26 
  27 import org.graalvm.compiler.jtt.JTTTest;
  28 
  29 /*
  30  */
  31 public class Math_exact extends JTTTest {
  32 
  33     public static int testIntAddExact(int a, int b) {
  34         return Math.addExact(a, b);
  35     }
  36 
  37     @Test
  38     public void runTestIntAddExact() throws Throwable {
  39         runTest("testIntAddExact", 1, 2);
  40         runTest("testIntAddExact", 1, Integer.MAX_VALUE);
  41         runTest("testIntAddExact", -1, Integer.MIN_VALUE);
  42     }
  43 
  44     public static long testLongAddExact(long a, long b) {
  45         return Math.addExact(a, b);
  46     }
  47 
  48     @Test
  49     public void runTestLongAddExact() throws Throwable {
  50         runTest("testLongAddExact", 1L, 2L);
  51         runTest("testLongAddExact", 1L, Long.MAX_VALUE);
  52         runTest("testLongAddExact", -1L, Long.MIN_VALUE);
  53     }
  54 
  55     public static int testIntSubExact(int a, int b) {
  56         return Math.subtractExact(a, b);
  57     }
  58 
  59     @Test
  60     public void runTestIntSubExact() throws Throwable {
  61         runTest("testIntSubExact", 1, 2);
  62         runTest("testIntSubExact", -2, Integer.MAX_VALUE);
  63         runTest("testIntSubExact", 2, Integer.MIN_VALUE);
  64     }
  65 
  66     public static long testLongSubExact(long a, long b) {
  67         return Math.subtractExact(a, b);
  68     }
  69 
  70     @Test
  71     public void runTestLongSubExact() throws Throwable {
  72         runTest("testLongSubExact", 1L, 2L);
  73         runTest("testLongSubExact", -2L, Long.MAX_VALUE);
  74         runTest("testLongSubExact", 2L, Long.MIN_VALUE);
  75     }
  76 
  77     public static int testIntMulExact(int a, int b) {
  78         return Math.multiplyExact(a, b);
  79     }
  80 
  81     @Test
  82     public void runTestIntMulExact() throws Throwable {
  83         runTest("testIntMulExact", 1, 2);
  84         runTest("testIntMulExact", -2, Integer.MAX_VALUE);
  85         runTest("testIntMulExact", 2, Integer.MIN_VALUE);
  86     }
  87 
  88     public static long testLongMulExact(long a, long b) {
  89         return Math.multiplyExact(a, b);
  90     }
  91 
  92     @Test
  93     public void runTestLongMulExact() throws Throwable {
  94         runTest("testLongMulExact", 1L, 2L);
  95         runTest("testLongMulExact", 2L, Long.MAX_VALUE);
  96         runTest("testLongMulExact", -2L, Long.MIN_VALUE);
  97     }
  98 }