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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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
