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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_double;
18 
19 import dot.junit.DxTestCase;
20 import dot.junit.DxUtil;
21 import dot.junit.opcodes.div_double.d.T_div_double_1;
22 import dot.junit.opcodes.div_double.d.T_div_double_3;
23 
24 public class Test_div_double extends DxTestCase {
25     /**
26      * @title Arguments = 2.7d, 3.14d
27      */
testN1()28     public void testN1() {
29 
30         T_div_double_1 t = new T_div_double_1();
31         assertEquals(0.8598726114649682d, t.run(2.7d, 3.14d));
32     }
33 
34     /**
35      * @title Dividend = 0
36      */
testN2()37     public void testN2() {
38         T_div_double_1 t = new T_div_double_1();
39         assertEquals(0d, t.run(0, 3.14d));
40     }
41 
42     /**
43      * @title Dividend is negative
44      */
testN3()45     public void testN3() {
46 
47         T_div_double_1 t = new T_div_double_1();
48         assertEquals(-1.162962962962963d, t.run(-3.14d, 2.7d));
49     }
50 
51     /**
52      * @title Dividend is negative
53      */
testN4()54     public void testN4() {
55 
56         T_div_double_1 t = new T_div_double_1();
57         assertEquals(-1.162962962962963d, t.run(-3.14d, 2.7d));
58     }
59 
60     /**
61      * @title Types of arguments - long, double. Dalvik doens't distinguish 64-bits types internally,
62      * so this division of long and double makes no sense but shall not crash the VM.
63      */
testN5()64     public void testN5() {
65         T_div_double_3 t = new T_div_double_3();
66         try {
67             t.run(3.14d, 12345l);
68         } catch (Throwable e) {
69         }
70     }
71 
72     /**
73      * @title Arguments = Double.POSITIVE_INFINITY,
74      * Double.NEGATIVE_INFINITY
75      */
testB2()76     public void testB2() {
77         T_div_double_1 t = new T_div_double_1();
78         assertEquals(Double.NaN, t.run(Double.POSITIVE_INFINITY,
79                 Double.NEGATIVE_INFINITY));
80     }
81 
82     /**
83      * @title Arguments = Double.POSITIVE_INFINITY, -2.7d
84      */
testB3()85     public void testB3() {
86         T_div_double_1 t = new T_div_double_1();
87         assertEquals(Double.NEGATIVE_INFINITY, t.run(Double.POSITIVE_INFINITY,
88                 -2.7d));
89     }
90 
91     /**
92      * @title Arguments = -2.7d, Double.NEGATIVE_INFINITY
93      */
testB4()94     public void testB4() {
95         T_div_double_1 t = new T_div_double_1();
96         assertEquals(0d, t.run(-2.7d, Double.NEGATIVE_INFINITY));
97     }
98 
99     /**
100      * @title Arguments = 0, 0
101      */
testB5()102     public void testB5() {
103         T_div_double_1 t = new T_div_double_1();
104         assertEquals(Double.NaN, t.run(0, 0));
105     }
106 
107     /**
108      * @title Arguments = 0, -2.7
109      */
testB6()110     public void testB6() {
111         T_div_double_1 t = new T_div_double_1();
112         assertEquals(-0d, t.run(0, -2.7d));
113     }
114 
115     /**
116      * @title Arguments = -2.7, 0
117      */
testB7()118     public void testB7() {
119         T_div_double_1 t = new T_div_double_1();
120         assertEquals(Double.NEGATIVE_INFINITY, t.run(-2.7d, 0));
121     }
122 
123     /**
124      * @title Arguments = 1, Double.MAX_VALUE
125      */
testB8()126     public void testB8() {
127         T_div_double_1 t = new T_div_double_1();
128         assertEquals(Double.POSITIVE_INFINITY, t.run(1, Double.MIN_VALUE));
129     }
130 
131     /**
132      * @title Arguments = Double.MAX_VALUE, -1E-9f
133      */
testB9()134     public void testB9() {
135         T_div_double_1 t = new T_div_double_1();
136         assertEquals(Double.NEGATIVE_INFINITY, t.run(Double.MAX_VALUE, -1E-9f));
137     }
138 
139 
140 
141     /**
142      * @constraint B1
143      * @title  types of arguments - float / double
144      */
testVFE1()145     public void testVFE1() {
146         try {
147             Class.forName("dot.junit.opcodes.div_double.d.T_div_double_2");
148             fail("expected a verification exception");
149         } catch (Throwable t) {
150             DxUtil.checkVerifyException(t);
151         }
152     }
153 
154     /**
155      * @constraint A24
156      * @title  number of registers
157      */
testVFE2()158     public void testVFE2() {
159         try {
160             Class.forName("dot.junit.opcodes.div_double.d.T_div_double_5");
161             fail("expected a verification exception");
162         } catch (Throwable t) {
163             DxUtil.checkVerifyException(t);
164         }
165     }
166 
167     /**
168      * @constraint B1
169      * @title  types of arguments - double / reference
170      */
testVFE3()171     public void testVFE3() {
172         try {
173             Class.forName("dot.junit.opcodes.div_double.d.T_div_double_4");
174             fail("expected a verification exception");
175         } catch (Throwable t) {
176             DxUtil.checkVerifyException(t);
177         }
178     }
179 
180     /**
181      * @constraint B1
182      * @title  types of arguments - int / int
183      */
testVFE4()184     public void testVFE4() {
185         try {
186             Class.forName("dot.junit.opcodes.div_double.d.T_div_double_6");
187             fail("expected a verification exception");
188         } catch (Throwable t) {
189             DxUtil.checkVerifyException(t);
190         }
191     }
192 
193 }
194