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 Arguments = Float.MAX_VALUE, Float.NaN 51 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 131 public void testVFE1() { 132 try { 133 Class.forName("dot.junit.opcodes.div_float.d.T_div_float_2"); 134 fail("expected a verification exception"); 135 } catch (Throwable t) { 136 DxUtil.checkVerifyException(t); 137 } 138 } 139 140 /** 141 * @constraint B1 142 * @title types of arguments - long / float 143 */ 144 public void testVFE2() { 145 try { 146 Class.forName("dot.junit.opcodes.div_float.d.T_div_float_3"); 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 - reference / float 156 */ 157 public void testVFE3() { 158 try { 159 Class.forName("dot.junit.opcodes.div_float.d.T_div_float_4"); 160 fail("expected a verification exception"); 161 } catch (Throwable t) { 162 DxUtil.checkVerifyException(t); 163 } 164 } 165 166 /** 167 * @constraint A23 168 * @title number of registers 169 */ 170 public void testVFE4() { 171 try { 172 Class.forName("dot.junit.opcodes.div_float.d.T_div_float_6"); 173 fail("expected a verification exception"); 174 } catch (Throwable t) { 175 DxUtil.checkVerifyException(t); 176 } 177 } 178 179 /** 180 * @constraint B1 181 * @title Types of arguments - int, float. The verifier checks that ints 182 * and floats are not used interchangeably. 183 */ 184 public void testVFE5() { 185 try { 186 Class.forName("dot.junit.opcodes.div_float.d.T_div_float_5"); 187 fail("expected a verification exception"); 188 } catch (Throwable t) { 189 DxUtil.checkVerifyException(t); 190 } 191 } 192 193 } 194