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      */
testN1()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      */
testN2()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      */
testN3()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      */
testN4()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      */
testN5()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      */
testN6()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      */
testB1()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      */
testB2()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      */
testB3()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      */
testB4()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      */
testB5()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      */
testB6()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      */
testE1()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      */
testVFE1()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      */
testVFE2()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      */
testVFE3()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      */
testVFE4()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      */
testVFE5()167     public void testVFE5() {
168         load("dot.junit.opcodes.div_int_2addr.d.T_div_int_2addr_5", VerifyError.class);
169     }
170 }
171