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;
18 
19 import dot.junit.DxTestCase;
20 import dot.junit.DxUtil;
21 import dot.junit.opcodes.div_long.d.T_div_long_1;
22 import dot.junit.opcodes.div_long.d.T_div_long_2;
23 
24 
25 public class Test_div_long extends DxTestCase {
26     /**
27      * @title Arguments = 100000000000l, 40000000000l
28      */
testN1()29     public void testN1() {
30         T_div_long_1 t = new T_div_long_1();
31         assertEquals(2l, t.run(100000000000l, 40000000000l));
32     }
33 
34     /**
35      * @title Rounding
36      */
testN2()37     public void testN2() {
38         T_div_long_1 t = new T_div_long_1();
39         assertEquals(8l, t.run(98765432123456l, 12345678912345l));
40     }
41 
42     /**
43      * @title Dividend = 0
44      */
testN3()45     public void testN3() {
46         T_div_long_1 t = new T_div_long_1();
47         assertEquals(0l, t.run(0l, 98765432123456l));
48     }
49 
50     /**
51      * @title Dividend is negative
52      */
testN4()53     public void testN4() {
54         T_div_long_1 t = new T_div_long_1();
55         assertEquals(-8, t.run(-98765432123456l, 12345678912345l));
56     }
57 
58     /**
59      * @title Divisor is negative
60      */
testN5()61     public void testN5() {
62         T_div_long_1 t = new T_div_long_1();
63         assertEquals(-8, t.run(98765432123456l, -12345678912345l));
64     }
65 
66     /**
67      * @title Both Dividend and divisor are negative
68      */
testN6()69     public void testN6() {
70         T_div_long_1 t = new T_div_long_1();
71         assertEquals(80l, t.run(-98765432123456l, -1234567891234l));
72     }
73 
74     /**
75      * @title Arguments = Long.MIN_VALUE, -1
76      */
testB1()77     public void testB1() {
78         T_div_long_1 t = new T_div_long_1();
79         assertEquals(-9223372036854775808L, t.run(Long.MIN_VALUE, -1));
80     }
81 
82     /**
83      * @title Arguments = Long.MIN_VALUE, 1
84      */
testB2()85     public void testB2() {
86         T_div_long_1 t = new T_div_long_1();
87         assertEquals(-9223372036854775808L, t.run(Long.MIN_VALUE, 1));
88     }
89 
90     /**
91      * @title Arguments = Long.MAX_VALUE, 1
92      */
testB3()93     public void testB3() {
94         T_div_long_1 t = new T_div_long_1();
95         assertEquals(9223372036854775807L, t.run(Long.MAX_VALUE, 1));
96     }
97 
98     /**
99      * @title Arguments = Long.MIN_VALUE, Long.MAX_VALUE
100      */
testB4()101     public void testB4() {
102         T_div_long_1 t = new T_div_long_1();
103         assertEquals(-1, t.run(Long.MIN_VALUE, Long.MAX_VALUE));
104     }
105 
106     /**
107      * @title Arguments = 1, Long.MAX_VALUE
108      */
testB5()109     public void testB5() {
110         T_div_long_1 t = new T_div_long_1();
111         assertEquals(0, t.run(1, Long.MAX_VALUE));
112     }
113 
114     /**
115      * @title Arguments = 1, Long.MIN_VALUE
116      */
testB6()117     public void testB6() {
118         T_div_long_1 t = new T_div_long_1();
119         assertEquals(0, t.run(1, Long.MIN_VALUE));
120     }
121 
122     /**
123      * @title Divisor is 0
124      */
testE1()125     public void testE1() {
126         loadAndRun("dot.junit.opcodes.div_long.d.T_div_long_1", ArithmeticException.class,
127                    12345678912345l, 0);
128     }
129 
130     /**
131      * @constraint A24
132      * @title number of registers
133      */
testVFE1()134     public void testVFE1() {
135         load("dot.junit.opcodes.div_long.d.T_div_long_6", VerifyError.class);
136     }
137 
138     /**
139      * @constraint B1
140      * @title types of arguments - int / long
141      */
testVFE2()142     public void testVFE2() {
143         load("dot.junit.opcodes.div_long.d.T_div_long_3", VerifyError.class);
144     }
145 
146     /**
147      * @constraint B1
148      * @title types of arguments - float / long
149      */
testVFE3()150     public void testVFE3() {
151         load("dot.junit.opcodes.div_long.d.T_div_long_4", VerifyError.class);
152     }
153 
154     /**
155      * @constraint B1
156      * @title types of arguments - reference / long
157      */
testVFE4()158     public void testVFE4() {
159         load("dot.junit.opcodes.div_long.d.T_div_long_5", VerifyError.class);
160     }
161 
162     /**
163      * @constraint B1
164      * @title Types of arguments - long, double. The verifier checks that longs
165      * and doubles are not used interchangeably.
166      */
testVFE5()167     public void testVFE5() {
168         load("dot.junit.opcodes.div_long.d.T_div_long_2", VerifyError.class);
169     }
170 
171 }
172