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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_long_2addr;
     18 
     19 import dot.junit.DxTestCase;
     20 import dot.junit.DxUtil;
     21 import dot.junit.opcodes.div_long_2addr.d.T_div_long_2addr_1;
     22 import dot.junit.opcodes.div_long_2addr.d.T_div_long_2addr_2;
     23 
     24 public class Test_div_long_2addr extends DxTestCase {
     25     /**
     26      * @title Arguments = 100000000000l, 40000000000l
     27      */
     28     public void testN1() {
     29         T_div_long_2addr_1 t = new T_div_long_2addr_1();
     30         assertEquals(2l, t.run(100000000000l, 40000000000l));
     31     }
     32 
     33     /**
     34      * @title Rounding
     35      */
     36     public void testN2() {
     37         T_div_long_2addr_1 t = new T_div_long_2addr_1();
     38         assertEquals(8l, t.run(98765432123456l, 12345678912345l));
     39     }
     40 
     41     /**
     42      * @title Dividend = 0
     43      */
     44     public void testN3() {
     45         T_div_long_2addr_1 t = new T_div_long_2addr_1();
     46         assertEquals(0l, t.run(0l, 98765432123456l));
     47     }
     48 
     49     /**
     50      * @title Dividend is negative
     51      */
     52     public void testN4() {
     53         T_div_long_2addr_1 t = new T_div_long_2addr_1();
     54         assertEquals(-8, t.run(-98765432123456l, 12345678912345l));
     55     }
     56 
     57     /**
     58      * @title Divisor is negative
     59      */
     60     public void testN5() {
     61         T_div_long_2addr_1 t = new T_div_long_2addr_1();
     62         assertEquals(-8, t.run(98765432123456l, -12345678912345l));
     63     }
     64 
     65     /**
     66      * @title Both Dividend and divisor are negative
     67      */
     68     public void testN6() {
     69         T_div_long_2addr_1 t = new T_div_long_2addr_1();
     70         assertEquals(80l, t.run(-98765432123456l, -1234567891234l));
     71     }
     72 
     73     /**
     74      * @title Arguments = Long.MIN_VALUE, -1
     75      */
     76     public void testB1() {
     77         T_div_long_2addr_1 t = new T_div_long_2addr_1();
     78         assertEquals(-9223372036854775808L, t.run(Long.MIN_VALUE, -1));
     79     }
     80 
     81     /**
     82      * @title Arguments = Long.MIN_VALUE, 1
     83      */
     84     public void testB2() {
     85         T_div_long_2addr_1 t = new T_div_long_2addr_1();
     86         assertEquals(-9223372036854775808L, t.run(Long.MIN_VALUE, 1));
     87     }
     88 
     89     /**
     90      * @title Arguments = Long.MAX_VALUE, 1
     91      */
     92     public void testB3() {
     93         T_div_long_2addr_1 t = new T_div_long_2addr_1();
     94         assertEquals(9223372036854775807L, t.run(Long.MAX_VALUE, 1));
     95     }
     96 
     97     /**
     98      * @title Arguments = Long.MIN_VALUE, Long.MAX_VALUE
     99      */
    100     public void testB4() {
    101         T_div_long_2addr_1 t = new T_div_long_2addr_1();
    102         assertEquals(-1, t.run(Long.MIN_VALUE, Long.MAX_VALUE));
    103     }
    104 
    105     /**
    106      * @title Arguments = 1, Long.MAX_VALUE
    107      */
    108     public void testB5() {
    109         T_div_long_2addr_1 t = new T_div_long_2addr_1();
    110         assertEquals(0, t.run(1, Long.MAX_VALUE));
    111     }
    112 
    113     /**
    114      * @title Arguments = 1, Long.MIN_VALUE
    115      */
    116     public void testB6() {
    117         T_div_long_2addr_1 t = new T_div_long_2addr_1();
    118         assertEquals(0, t.run(1, Long.MIN_VALUE));
    119     }
    120 
    121     /**
    122      * @title Divisor is 0
    123      */
    124     public void testE1() {
    125         T_div_long_2addr_1 t = new T_div_long_2addr_1();
    126         try {
    127             t.run(12345678912345l, 0);
    128             fail("expected ArithmeticException");
    129         } catch (ArithmeticException ae) {
    130             // expected
    131         }
    132     }
    133 
    134 
    135 
    136     /**
    137      * @constraint A24
    138      * @title  number of registers
    139      */
    140     public void testVFE1() {
    141         try {
    142             Class.forName("dot.junit.opcodes.div_long_2addr.d.T_div_long_2addr_6");
    143             fail("expected a verification exception");
    144         } catch (Throwable t) {
    145             DxUtil.checkVerifyException(t);
    146         }
    147     }
    148 
    149     /**
    150      * @constraint B1
    151      * @title types of arguments - int / long
    152      */
    153     public void testVFE2() {
    154         try {
    155             Class.forName("dot.junit.opcodes.div_long_2addr.d.T_div_long_2addr_3");
    156             fail("expected a verification exception");
    157         } catch (Throwable t) {
    158             DxUtil.checkVerifyException(t);
    159         }
    160     }
    161 
    162     /**
    163      * @constraint B1
    164      * @title  types of arguments - float / long
    165      */
    166     public void testVFE3() {
    167         try {
    168             Class.forName("dot.junit.opcodes.div_long_2addr.d.T_div_long_2addr_4");
    169             fail("expected a verification exception");
    170         } catch (Throwable t) {
    171             DxUtil.checkVerifyException(t);
    172         }
    173     }
    174 
    175     /**
    176      * @constraint B1
    177      * @title types of arguments - reference / long
    178      */
    179     public void testVFE4() {
    180         try {
    181             Class.forName("dot.junit.opcodes.div_long_2addr.d.T_div_long_2addr_5");
    182             fail("expected a verification exception");
    183         } catch (Throwable t) {
    184             DxUtil.checkVerifyException(t);
    185         }
    186     }
    187 
    188     /**
    189      * @constraint B1
    190      * @title Types of arguments - long, double. The verifier checks that longs
    191      * and doubles are not used interchangeably.
    192      */
    193     public void testVFE5() {
    194         try {
    195             Class.forName("dot.junit.opcodes.div_long_2addr.d.T_div_long_2addr_2");
    196             fail("expected a verification exception");
    197         } catch (Throwable t) {
    198             DxUtil.checkVerifyException(t);
    199         }
    200     }
    201 
    202 }
    203