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.ushr_int_2addr;
18 
19 import dot.junit.DxTestCase;
20 import dot.junit.DxUtil;
21 import dot.junit.opcodes.ushr_int_2addr.d.T_ushr_int_2addr_1;
22 import dot.junit.opcodes.ushr_int_2addr.d.T_ushr_int_2addr_5;
23 
24 public class Test_ushr_int_2addr extends DxTestCase {
25     /**
26      * @title 15 >> 1
27      */
testN1()28     public void testN1() {
29         T_ushr_int_2addr_1 t = new T_ushr_int_2addr_1();
30         assertEquals(7, t.run(15, 1));
31     }
32 
33     /**
34      * @title 33 >> 2
35      */
testN2()36     public void testN2() {
37         T_ushr_int_2addr_1 t = new T_ushr_int_2addr_1();
38         assertEquals(8, t.run(33, 2));
39     }
40 
41     /**
42      * @title -15 >> 1
43      */
testN3()44     public void testN3() {
45         T_ushr_int_2addr_1 t = new T_ushr_int_2addr_1();
46         assertEquals(0x7FFFFFF8, t.run(-15, 1));
47     }
48 
49     /**
50      * @title Arguments = 1 & -1
51      */
testN4()52     public void testN4() {
53         T_ushr_int_2addr_1 t = new T_ushr_int_2addr_1();
54         assertEquals(0, t.run(1, -1));
55     }
56 
57     /**
58      * @title Verify that shift distance is actually in range 0 to 32.
59      */
testN5()60     public void testN5() {
61         T_ushr_int_2addr_1 t = new T_ushr_int_2addr_1();
62         assertEquals(16, t.run(33, 33));
63     }
64 
65 
66     /**
67      * @title Arguments = 0 & -1
68      */
testB1()69     public void testB1() {
70         T_ushr_int_2addr_1 t = new T_ushr_int_2addr_1();
71         assertEquals(0, t.run(0, -1));
72     }
73 
74     /**
75      * @title Arguments = Integer.MAX_VALUE & 1
76      */
testB2()77     public void testB2() {
78         T_ushr_int_2addr_1 t = new T_ushr_int_2addr_1();
79         assertEquals(0x3FFFFFFF, t.run(Integer.MAX_VALUE, 1));
80     }
81 
82     /**
83      * @title Arguments = Integer.MIN_VALUE & 1
84      */
testB3()85     public void testB3() {
86         T_ushr_int_2addr_1 t = new T_ushr_int_2addr_1();
87         assertEquals(0x40000000, t.run(Integer.MIN_VALUE, 1));
88     }
89 
90     /**
91      * @title Arguments = 1 & 0
92      */
testB4()93     public void testB4() {
94         T_ushr_int_2addr_1 t = new T_ushr_int_2addr_1();
95         assertEquals(1, t.run(1, 0));
96     }
97 
98 
99 
100     /**
101      * @constraint B1
102      * @title types of arguments - double, int
103      */
testVFE1()104     public void testVFE1() {
105         load("dot.junit.opcodes.ushr_int_2addr.d.T_ushr_int_2addr_2", VerifyError.class);
106     }
107 
108     /**
109      * @constraint B1
110      * @title types of arguments - int, long
111      */
testVFE2()112     public void testVFE2() {
113         load("dot.junit.opcodes.ushr_int_2addr.d.T_ushr_int_2addr_3", VerifyError.class);
114     }
115 
116     /**
117      * @constraint B1
118      * @title types of arguments - reference, int
119      */
testVFE3()120     public void testVFE3() {
121         load("dot.junit.opcodes.ushr_int_2addr.d.T_ushr_int_2addr_4", VerifyError.class);
122     }
123 
124     /**
125      * @constraint A23
126      * @title  number of registers
127      */
testVFE4()128     public void testVFE4() {
129         load("dot.junit.opcodes.ushr_int_2addr.d.T_ushr_int_2addr_6", VerifyError.class);
130     }
131 
132     /**
133      * @constraint B1
134      * @title Types of arguments - int, float. The verifier checks that ints
135      * and floats are not used interchangeably.
136      */
testVFE5()137     public void testVFE5() {
138         load("dot.junit.opcodes.ushr_int_2addr.d.T_ushr_int_2addr_5", VerifyError.class);
139     }
140 }
141