Math_exact.java revision 12657:6ef01bd40ce2 
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 */
23package org.graalvm.compiler.jtt.lang;
24
25import org.junit.Test;
26
27import org.graalvm.compiler.jtt.JTTTest;
28
29/*
30 */
31public 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}
99