vm/src/test/java/org/apidesign/vm4brwsr/tck/IntegerArithmeticTest.java
author Martin Soch <Martin.Soch@oracle.com>
Tue, 18 Dec 2012 20:19:11 +0100
brancharithmetic
changeset 351 b7459b10d581
parent 345 f954edc48431
child 352 c0fd4e7919b3
permissions -rw-r--r--
Added test for + - * operations in int32 arithmetic, updated JS generator to produce code for correct int32 arithmetic.
     1 /**
     2  * Back 2 Browser Bytecode Translator
     3  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     4  *
     5  * This program is free software: you can redistribute it and/or modify
     6  * it under the terms of the GNU General Public License as published by
     7  * the Free Software Foundation, version 2 of the License.
     8  *
     9  * This program is distributed in the hope that it will be useful,
    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12  * GNU General Public License for more details.
    13  *
    14  * You should have received a copy of the GNU General Public License
    15  * along with this program. Look for COPYING file in the top folder.
    16  * If not, see http://opensource.org/licenses/GPL-2.0.
    17  */
    18 package org.apidesign.vm4brwsr.tck;
    19 
    20 import org.apidesign.vm4brwsr.Compare;
    21 import org.apidesign.vm4brwsr.CompareVMs;
    22 import org.testng.annotations.Factory;
    23 
    24 /**
    25  *
    26  * @author Jaroslav Tulach <jtulach@netbeans.org>
    27  */
    28 public class IntegerArithmeticTest {
    29     
    30     private static int add(int x, int y) {
    31         return x + y;
    32     }
    33     
    34     private static int sub(int x, int y) {
    35         return x - y;
    36     }
    37     
    38     private static int mul(int x, int y) {
    39         return x * y;
    40     }
    41     
    42     @Compare public int addOverflow() {
    43         return add(Integer.MAX_VALUE, 1);
    44     }
    45     
    46     @Compare public int subUnderflow() {
    47         return sub(Integer.MIN_VALUE, 1);
    48     }
    49     
    50     @Compare public int addMaxIntAndMaxInt() {
    51         return add(Integer.MAX_VALUE, Integer.MAX_VALUE);
    52     }
    53     
    54     @Compare public int subMinIntAndMinInt() {
    55         return sub(Integer.MIN_VALUE, Integer.MIN_VALUE);
    56     }
    57     
    58     @Compare public int multiplyMaxInt() {
    59         return mul(Integer.MAX_VALUE, 2);
    60     }
    61     
    62     @Compare public int multiplyMaxIntAndMaxInt() {
    63         return mul(Integer.MAX_VALUE, Integer.MAX_VALUE);
    64     }
    65     
    66     @Compare public int multiplyMinInt() {
    67         return mul(Integer.MIN_VALUE, 2);
    68     }
    69     
    70     @Compare public int multiplyMinIntAndMinInt() {
    71         return mul(Integer.MIN_VALUE, Integer.MIN_VALUE);
    72     }
    73     
    74     @Compare public int multiplyPrecision() {
    75         return mul(119106029, 1103515245);
    76     }
    77     
    78     @Factory
    79     public static Object[] create() {
    80         return CompareVMs.create(IntegerArithmeticTest.class);
    81     }
    82 }