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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 Types of arguments - long, double. Dalvik doens't distinguish 64-bits types internally,
     75      * so this division of long and double makes no sense but shall not crash the VM.
     76      */
     77     public void testN7() {
     78         T_div_long_2addr_2 t = new T_div_long_2addr_2();
     79         try {
     80             t.run(1234l, 3.1415d);
     81         } catch (Throwable e) {
     82         }
     83     }
     84 
     85     /**
     86      * @title Arguments = Long.MIN_VALUE, -1
     87      */
     88     public void testB1() {
     89         T_div_long_2addr_1 t = new T_div_long_2addr_1();
     90         assertEquals(-9223372036854775808L, t.run(Long.MIN_VALUE, -1));
     91     }
     92 
     93     /**
     94      * @title Arguments = Long.MIN_VALUE, 1
     95      */
     96     public void testB2() {
     97         T_div_long_2addr_1 t = new T_div_long_2addr_1();
     98         assertEquals(-9223372036854775808L, t.run(Long.MIN_VALUE, 1));
     99     }
    100 
    101     /**
    102      * @title Arguments = Long.MAX_VALUE, 1
    103      */
    104     public void testB3() {
    105         T_div_long_2addr_1 t = new T_div_long_2addr_1();
    106         assertEquals(9223372036854775807L, t.run(Long.MAX_VALUE, 1));
    107     }
    108 
    109     /**
    110      * @title Arguments = Long.MIN_VALUE, Long.MAX_VALUE
    111      */
    112     public void testB4() {
    113         T_div_long_2addr_1 t = new T_div_long_2addr_1();
    114         assertEquals(-1, t.run(Long.MIN_VALUE, Long.MAX_VALUE));
    115     }
    116 
    117     /**
    118      * @title Arguments = 1, Long.MAX_VALUE
    119      */
    120     public void testB5() {
    121         T_div_long_2addr_1 t = new T_div_long_2addr_1();
    122         assertEquals(0, t.run(1, Long.MAX_VALUE));
    123     }
    124 
    125     /**
    126      * @title Arguments = 1, Long.MIN_VALUE
    127      */
    128     public void testB6() {
    129         T_div_long_2addr_1 t = new T_div_long_2addr_1();
    130         assertEquals(0, t.run(1, Long.MIN_VALUE));
    131     }
    132 
    133     /**
    134      * @title Divisor is 0
    135      */
    136     public void testE1() {
    137         T_div_long_2addr_1 t = new T_div_long_2addr_1();
    138         try {
    139             t.run(12345678912345l, 0);
    140             fail("expected ArithmeticException");
    141         } catch (ArithmeticException ae) {
    142             // expected
    143         }
    144     }
    145 
    146 
    147 
    148     /**
    149      * @constraint A24
    150      * @title  number of registers
    151      */
    152     public void testVFE1() {
    153         try {
    154             Class.forName("dot.junit.opcodes.div_long_2addr.d.T_div_long_2addr_6");
    155             fail("expected a verification exception");
    156         } catch (Throwable t) {
    157             DxUtil.checkVerifyException(t);
    158         }
    159     }
    160 
    161     /**
    162      * @constraint B1
    163      * @title types of arguments - int / long
    164      */
    165     public void testVFE2() {
    166         try {
    167             Class.forName("dot.junit.opcodes.div_long_2addr.d.T_div_long_2addr_3");
    168             fail("expected a verification exception");
    169         } catch (Throwable t) {
    170             DxUtil.checkVerifyException(t);
    171         }
    172     }
    173 
    174     /**
    175      * @constraint B1
    176      * @title  types of arguments - float / long
    177      */
    178     public void testVFE3() {
    179         try {
    180             Class.forName("dot.junit.opcodes.div_long_2addr.d.T_div_long_2addr_4");
    181             fail("expected a verification exception");
    182         } catch (Throwable t) {
    183             DxUtil.checkVerifyException(t);
    184         }
    185     }
    186 
    187     /**
    188      * @constraint B1
    189      * @title types of arguments - reference / long
    190      */
    191     public void testVFE4() {
    192         try {
    193             Class.forName("dot.junit.opcodes.div_long_2addr.d.T_div_long_2addr_5");
    194             fail("expected a verification exception");
    195         } catch (Throwable t) {
    196             DxUtil.checkVerifyException(t);
    197         }
    198     }
    199 
    200 
    201 }
    202