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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package dot.junit.opcodes.div_int_2addr;
     18 
     19 import dot.junit.DxTestCase;
     20 import dot.junit.DxUtil;
     21 import dot.junit.opcodes.div_int_2addr.d.T_div_int_2addr_1;
     22 import dot.junit.opcodes.div_int_2addr.d.T_div_int_2addr_5;
     23 
     24 public class Test_div_int_2addr extends DxTestCase {
     25     /**
     26      * @title Arguments = 8, 4
     27      */
     28     public void testN1() {
     29         T_div_int_2addr_1 t = new T_div_int_2addr_1();
     30         assertEquals(2, t.run(8, 4));
     31     }
     32 
     33     /**
     34      * @title Rounding
     35      */
     36     public void testN2() {
     37         T_div_int_2addr_1 t = new T_div_int_2addr_1();
     38         assertEquals(268435455, t.run(1073741823, 4));
     39     }
     40 
     41     /**
     42      * @title Dividend = 0
     43      */
     44     public void testN3() {
     45         T_div_int_2addr_1 t = new T_div_int_2addr_1();
     46         assertEquals(0, t.run(0, 4));
     47     }
     48 
     49     /**
     50      * @title Dividend is negative
     51      */
     52     public void testN4() {
     53         T_div_int_2addr_1 t = new T_div_int_2addr_1();
     54         assertEquals(-3, t.run(-10, 3));
     55     }
     56 
     57     /**
     58      * @title Divisor is negative
     59      */
     60     public void testN5() {
     61         T_div_int_2addr_1 t = new T_div_int_2addr_1();
     62         assertEquals(-357913941, t.run(1073741824, -3));
     63     }
     64 
     65     /**
     66      * @title Both Dividend and divisor are negative
     67      */
     68     public void testN6() {
     69         T_div_int_2addr_1 t = new T_div_int_2addr_1();
     70         assertEquals(5965, t.run(-17895697, -3000));
     71     }
     72 
     73     /**
     74      * @title Arguments = Integer.MIN_VALUE, -1
     75      */
     76     public void testB1() {
     77         T_div_int_2addr_1 t = new T_div_int_2addr_1();
     78         // result is MIN_VALUE because overflow occurs in this case
     79         assertEquals(Integer.MIN_VALUE, t.run(Integer.MIN_VALUE, -1));
     80     }
     81 
     82     /**
     83      * @title Arguments = Integer.MIN_VALUE, 1
     84      */
     85     public void testB2() {
     86         T_div_int_2addr_1 t = new T_div_int_2addr_1();
     87         assertEquals(Integer.MIN_VALUE, t.run(Integer.MIN_VALUE, 1));
     88     }
     89 
     90     /**
     91      * @title Arguments = Integer.MAX_VALUE, 1
     92      */
     93     public void testB3() {
     94         T_div_int_2addr_1 t = new T_div_int_2addr_1();
     95         assertEquals(Integer.MAX_VALUE, t.run(Integer.MAX_VALUE, 1));
     96     }
     97 
     98     /**
     99      * @title Arguments = Integer.MIN_VALUE, Integer.MAX_VALUE
    100      */
    101     public void testB4() {
    102         T_div_int_2addr_1 t = new T_div_int_2addr_1();
    103         assertEquals(-1, t.run(Integer.MIN_VALUE, Integer.MAX_VALUE));
    104     }
    105 
    106     /**
    107      * @title Arguments = 1, Integer.MAX_VALUE
    108      */
    109     public void testB5() {
    110         T_div_int_2addr_1 t = new T_div_int_2addr_1();
    111         assertEquals(0, t.run(1, Integer.MAX_VALUE));
    112     }
    113 
    114     /**
    115      * @title Arguments = 1, Integer.MIN_VALUE
    116      */
    117     public void testB6() {
    118         T_div_int_2addr_1 t = new T_div_int_2addr_1();
    119         assertEquals(0, t.run(1, Integer.MIN_VALUE));
    120     }
    121 
    122     /**
    123      * @title Divisor is 0
    124      */
    125     public void testE1() {
    126         loadAndRun("dot.junit.opcodes.div_int_2addr.d.T_div_int_2addr_1", ArithmeticException.class,
    127                    1, 0);
    128     }
    129 
    130     /**
    131      * @constraint B1
    132      * @title types of arguments - int, double
    133      */
    134     public void testVFE1() {
    135         load("dot.junit.opcodes.div_int_2addr.d.T_div_int_2addr_2", VerifyError.class);
    136     }
    137 
    138     /**
    139      * @constraint B1
    140      * @title  types of arguments - long, int
    141      */
    142     public void testVFE2() {
    143         load("dot.junit.opcodes.div_int_2addr.d.T_div_int_2addr_3", VerifyError.class);
    144     }
    145 
    146     /**
    147      * @constraint B1
    148      * @title  types of arguments - reference, int
    149      */
    150     public void testVFE3() {
    151         load("dot.junit.opcodes.div_int_2addr.d.T_div_int_2addr_4", VerifyError.class);
    152     }
    153 
    154     /**
    155      * @constraint A23
    156      * @title number of registers
    157      */
    158     public void testVFE4() {
    159         load("dot.junit.opcodes.div_int_2addr.d.T_div_int_2addr_6", VerifyError.class);
    160     }
    161 
    162     /**
    163      * @constraint B1
    164      * @title Types of arguments - int, float. The verifier checks that ints
    165      * and floats are not used interchangeably.
    166      */
    167     public void testVFE5() {
    168         load("dot.junit.opcodes.div_int_2addr.d.T_div_int_2addr_5", VerifyError.class);
    169     }
    170 }
    171