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 */ 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 */ 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 */ 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 Types of arguments - int, float. Dalvik doens't distinguish 32-bits types internally, 51 * so this division of float and int makes no sense but shall not crash the VM. 52 */ 53 54 public void testN4() { 55 T_div_float_5 t = new T_div_float_5(); 56 try { 57 t.run(1, 3.14f); 58 } catch (Throwable e) { 59 } 60 } 61 62 /** 63 * @title Arguments = Float.MAX_VALUE, Float.NaN 64 */ 65 public void testB1() { 66 T_div_float_1 t = new T_div_float_1(); 67 assertEquals(Float.NaN, t.run(Float.MAX_VALUE, Float.NaN)); 68 } 69 70 /** 71 * @title Arguments = Float.POSITIVE_INFINITY, 72 * Float.NEGATIVE_INFINITY 73 */ 74 public void testB2() { 75 T_div_float_1 t = new T_div_float_1(); 76 assertEquals(Float.NaN, t.run(Float.POSITIVE_INFINITY, 77 Float.NEGATIVE_INFINITY)); 78 } 79 80 /** 81 * @title Arguments = Float.POSITIVE_INFINITY, -2.7f 82 */ 83 public void testB3() { 84 T_div_float_1 t = new T_div_float_1(); 85 assertEquals(Float.NEGATIVE_INFINITY, t.run(Float.POSITIVE_INFINITY, 86 -2.7f)); 87 } 88 89 /** 90 * @title Arguments = -2.7f, Float.NEGATIVE_INFINITY 91 */ 92 public void testB4() { 93 T_div_float_1 t = new T_div_float_1(); 94 assertEquals(0f, t.run(-2.7f, Float.NEGATIVE_INFINITY)); 95 } 96 97 /** 98 * @title Arguments = 0, 0 99 */ 100 public void testB5() { 101 T_div_float_1 t = new T_div_float_1(); 102 assertEquals(Float.NaN, t.run(0, 0)); 103 } 104 105 /** 106 * @title Arguments = 0, -2.7 107 */ 108 public void testB6() { 109 T_div_float_1 t = new T_div_float_1(); 110 assertEquals(-0f, t.run(0, -2.7f)); 111 } 112 113 /** 114 * @title Arguments = -2.7, 0 115 */ 116 public void testB7() { 117 T_div_float_1 t = new T_div_float_1(); 118 assertEquals(Float.NEGATIVE_INFINITY, t.run(-2.7f, 0)); 119 } 120 121 /** 122 * @title Arguments = 1, Float.MAX_VALUE 123 */ 124 public void testB8() { 125 T_div_float_1 t = new T_div_float_1(); 126 assertEquals(Float.POSITIVE_INFINITY, t.run(1, Float.MIN_VALUE)); 127 } 128 129 /** 130 * @title Arguments = Float.MAX_VALUE, -1E-9f 131 */ 132 public void testB9() { 133 T_div_float_1 t = new T_div_float_1(); 134 assertEquals(Float.NEGATIVE_INFINITY, t.run(Float.MAX_VALUE, -1E-9f)); 135 } 136 137 138 139 140 /** 141 * @constraint B1 142 * @title types of arguments - float / double 143 */ 144 public void testVFE1() { 145 try { 146 Class.forName("dot.junit.opcodes.div_float.d.T_div_float_2"); 147 fail("expected a verification exception"); 148 } catch (Throwable t) { 149 DxUtil.checkVerifyException(t); 150 } 151 } 152 153 /** 154 * @constraint B1 155 * @title types of arguments - long / float 156 */ 157 public void testVFE2() { 158 try { 159 Class.forName("dot.junit.opcodes.div_float.d.T_div_float_3"); 160 fail("expected a verification exception"); 161 } catch (Throwable t) { 162 DxUtil.checkVerifyException(t); 163 } 164 } 165 166 /** 167 * @constraint B1 168 * @title types of arguments - reference / float 169 */ 170 public void testVFE3() { 171 try { 172 Class.forName("dot.junit.opcodes.div_float.d.T_div_float_4"); 173 fail("expected a verification exception"); 174 } catch (Throwable t) { 175 DxUtil.checkVerifyException(t); 176 } 177 } 178 179 /** 180 * @constraint A23 181 * @title number of registers 182 */ 183 public void testVFE4() { 184 try { 185 Class.forName("dot.junit.opcodes.div_float.d.T_div_float_6"); 186 fail("expected a verification exception"); 187 } catch (Throwable t) { 188 DxUtil.checkVerifyException(t); 189 } 190 } 191 192 } 193
