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 Arguments = Double.POSITIVE_INFINITY, 62 * Double.NEGATIVE_INFINITY 63 */ 64 public void testB2() { 65 T_div_double_1 t = new T_div_double_1(); 66 assertEquals(Double.NaN, t.run(Double.POSITIVE_INFINITY, 67 Double.NEGATIVE_INFINITY)); 68 } 69 70 /** 71 * @title Arguments = Double.POSITIVE_INFINITY, -2.7d 72 */ 73 public void testB3() { 74 T_div_double_1 t = new T_div_double_1(); 75 assertEquals(Double.NEGATIVE_INFINITY, t.run(Double.POSITIVE_INFINITY, 76 -2.7d)); 77 } 78 79 /** 80 * @title Arguments = -2.7d, Double.NEGATIVE_INFINITY 81 */ 82 public void testB4() { 83 T_div_double_1 t = new T_div_double_1(); 84 assertEquals(0d, t.run(-2.7d, Double.NEGATIVE_INFINITY)); 85 } 86 87 /** 88 * @title Arguments = 0, 0 89 */ 90 public void testB5() { 91 T_div_double_1 t = new T_div_double_1(); 92 assertEquals(Double.NaN, t.run(0, 0)); 93 } 94 95 /** 96 * @title Arguments = 0, -2.7 97 */ 98 public void testB6() { 99 T_div_double_1 t = new T_div_double_1(); 100 assertEquals(-0d, t.run(0, -2.7d)); 101 } 102 103 /** 104 * @title Arguments = -2.7, 0 105 */ 106 public void testB7() { 107 T_div_double_1 t = new T_div_double_1(); 108 assertEquals(Double.NEGATIVE_INFINITY, t.run(-2.7d, 0)); 109 } 110 111 /** 112 * @title Arguments = 1, Double.MAX_VALUE 113 */ 114 public void testB8() { 115 T_div_double_1 t = new T_div_double_1(); 116 assertEquals(Double.POSITIVE_INFINITY, t.run(1, Double.MIN_VALUE)); 117 } 118 119 /** 120 * @title Arguments = Double.MAX_VALUE, -1E-9f 121 */ 122 public void testB9() { 123 T_div_double_1 t = new T_div_double_1(); 124 assertEquals(Double.NEGATIVE_INFINITY, t.run(Double.MAX_VALUE, -1E-9f)); 125 } 126 127 128 129 /** 130 * @constraint B1 131 * @title types of arguments - float / double 132 */ 133 public void testVFE1() { 134 try { 135 Class.forName("dot.junit.opcodes.div_double.d.T_div_double_2"); 136 fail("expected a verification exception"); 137 } catch (Throwable t) { 138 DxUtil.checkVerifyException(t); 139 } 140 } 141 142 /** 143 * @constraint A24 144 * @title number of registers 145 */ 146 public void testVFE2() { 147 try { 148 Class.forName("dot.junit.opcodes.div_double.d.T_div_double_5"); 149 fail("expected a verification exception"); 150 } catch (Throwable t) { 151 DxUtil.checkVerifyException(t); 152 } 153 } 154 155 /** 156 * @constraint B1 157 * @title types of arguments - double / reference 158 */ 159 public void testVFE3() { 160 try { 161 Class.forName("dot.junit.opcodes.div_double.d.T_div_double_4"); 162 fail("expected a verification exception"); 163 } catch (Throwable t) { 164 DxUtil.checkVerifyException(t); 165 } 166 } 167 168 /** 169 * @constraint B1 170 * @title types of arguments - int / int 171 */ 172 public void testVFE4() { 173 try { 174 Class.forName("dot.junit.opcodes.div_double.d.T_div_double_6"); 175 fail("expected a verification exception"); 176 } catch (Throwable t) { 177 DxUtil.checkVerifyException(t); 178 } 179 } 180 181 /** 182 * @constraint B1 183 * @title Types of arguments - long, double. The verifier checks that longs 184 * and doubles are not used interchangeably. 185 */ 186 public void testVFE5() { 187 try { 188 Class.forName("dot.junit.opcodes.div_double.d.T_div_double_3"); 189 fail("expected a verification exception"); 190 } catch (Throwable t) { 191 DxUtil.checkVerifyException(t); 192 } 193 } 194 195 } 196
