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_float;
18 
19 import dot.junit.DxTestCase;
20 import dot.junit.DxUtil;
21 import dot.junit.opcodes.div_float.d.T_div_float_1;
22 import dot.junit.opcodes.div_float.d.T_div_float_5;
23 
24 public class Test_div_float extends DxTestCase {
25     /**
26      * @title Arguments = 2.7f, 3.14f
27      */
testN1()28     public void testN1() {
29         T_div_float_1 t = new T_div_float_1();
30         assertEquals(0.8598726f, t.run(2.7f, 3.14f));
31     }
32 
33     /**
34      * @title Dividend = 0
35      */
testN2()36     public void testN2() {
37         T_div_float_1 t = new T_div_float_1();
38         assertEquals(0f, t.run(0, 3.14f));
39     }
40 
41     /**
42      * @title Dividend is negative
43      */
testN3()44     public void testN3() {
45         T_div_float_1 t = new T_div_float_1();
46         assertEquals(-1.162963f, t.run(-3.14f, 2.7f));
47     }
48 
49     /**
50      * @title Arguments = Float.MAX_VALUE, Float.NaN
51      */
testB1()52     public void testB1() {
53         T_div_float_1 t = new T_div_float_1();
54         assertEquals(Float.NaN, t.run(Float.MAX_VALUE, Float.NaN));
55     }
56 
57     /**
58      * @title Arguments = Float.POSITIVE_INFINITY,
59      * Float.NEGATIVE_INFINITY
60      */
testB2()61     public void testB2() {
62         T_div_float_1 t = new T_div_float_1();
63         assertEquals(Float.NaN, t.run(Float.POSITIVE_INFINITY,
64                 Float.NEGATIVE_INFINITY));
65     }
66 
67     /**
68      * @title Arguments = Float.POSITIVE_INFINITY, -2.7f
69      */
testB3()70     public void testB3() {
71         T_div_float_1 t = new T_div_float_1();
72         assertEquals(Float.NEGATIVE_INFINITY, t.run(Float.POSITIVE_INFINITY,
73                 -2.7f));
74     }
75 
76     /**
77      * @title Arguments = -2.7f, Float.NEGATIVE_INFINITY
78      */
testB4()79     public void testB4() {
80         T_div_float_1 t = new T_div_float_1();
81         assertEquals(0f, t.run(-2.7f, Float.NEGATIVE_INFINITY));
82     }
83 
84     /**
85      * @title Arguments = 0, 0
86      */
testB5()87     public void testB5() {
88         T_div_float_1 t = new T_div_float_1();
89         assertEquals(Float.NaN, t.run(0, 0));
90     }
91 
92     /**
93      * @title Arguments = 0, -2.7
94      */
testB6()95     public void testB6() {
96         T_div_float_1 t = new T_div_float_1();
97         assertEquals(-0f, t.run(0, -2.7f));
98     }
99 
100     /**
101      * @title Arguments = -2.7, 0
102      */
testB7()103     public void testB7() {
104         T_div_float_1 t = new T_div_float_1();
105         assertEquals(Float.NEGATIVE_INFINITY, t.run(-2.7f, 0));
106     }
107 
108     /**
109      * @title Arguments = 1, Float.MAX_VALUE
110      */
testB8()111     public void testB8() {
112         T_div_float_1 t = new T_div_float_1();
113         assertEquals(Float.POSITIVE_INFINITY, t.run(1, Float.MIN_VALUE));
114     }
115 
116     /**
117      * @title Arguments = Float.MAX_VALUE, -1E-9f
118      */
testB9()119     public void testB9() {
120         T_div_float_1 t = new T_div_float_1();
121         assertEquals(Float.NEGATIVE_INFINITY, t.run(Float.MAX_VALUE, -1E-9f));
122     }
123 
124 
125 
126 
127     /**
128      * @constraint B1
129      * @title  types of arguments - float / double
130      */
testVFE1()131     public void testVFE1() {
132         load("dot.junit.opcodes.div_float.d.T_div_float_2", VerifyError.class);
133     }
134 
135     /**
136      * @constraint B1
137      * @title  types of arguments - long / float
138      */
testVFE2()139     public void testVFE2() {
140         load("dot.junit.opcodes.div_float.d.T_div_float_3", VerifyError.class);
141     }
142 
143     /**
144      * @constraint B1
145      * @title types of arguments - reference / float
146      */
testVFE3()147     public void testVFE3() {
148         load("dot.junit.opcodes.div_float.d.T_div_float_4", VerifyError.class);
149     }
150 
151     /**
152      * @constraint A23
153      * @title number of registers
154      */
testVFE4()155     public void testVFE4() {
156         load("dot.junit.opcodes.div_float.d.T_div_float_6", VerifyError.class);
157     }
158 
159     /**
160      * @constraint B1
161      * @title Types of arguments - int, float. The verifier checks that ints
162      * and floats are not used interchangeably.
163      */
testVFE5()164     public void testVFE5() {
165         load("dot.junit.opcodes.div_float.d.T_div_float_5", VerifyError.class);
166     }
167 
168 }
169