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_int_lit16; 18 19 import dot.junit.DxTestCase; 20 import dot.junit.DxUtil; 21 import dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_1; 22 import dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_10; 23 import dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_11; 24 import dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_12; 25 import dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_13; 26 import dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_17; 27 import dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_2; 28 import dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_3; 29 import dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_4; 30 import dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_5; 31 import dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_6; 32 import dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_7; 33 import dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_8; 34 import dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_9; 35 36 37 public class Test_div_int_lit16 extends DxTestCase { 38 /** 39 * @title Arguments = 8 / 4 40 */ 41 public void testN1() { 42 T_div_int_lit16_1 t = new T_div_int_lit16_1(); 43 assertEquals(2, t.run()); 44 } 45 46 /** 47 * @title Rounding 48 */ 49 public void testN2() { 50 T_div_int_lit16_2 t = new T_div_int_lit16_2(); 51 assertEquals(268435455, t.run()); 52 } 53 54 /** 55 * @title Dividend = 0 56 */ 57 public void testN3() { 58 T_div_int_lit16_3 t = new T_div_int_lit16_3(); 59 assertEquals(0, t.run()); 60 } 61 62 /** 63 * @title Dividend is negative 64 */ 65 public void testN4() { 66 T_div_int_lit16_4 t = new T_div_int_lit16_4(); 67 assertEquals(-3, t.run()); 68 } 69 70 /** 71 * @title Divisor is negative 72 */ 73 public void testN5() { 74 T_div_int_lit16_5 t = new T_div_int_lit16_5(); 75 assertEquals(-357913941, t.run()); 76 } 77 78 /** 79 * @title Both Dividend and divisor are negative 80 */ 81 public void testN6() { 82 T_div_int_lit16_6 t = new T_div_int_lit16_6(); 83 assertEquals(5965, t.run()); 84 } 85 86 /** 87 * @title Arguments = Integer.MIN_VALUE / -1 88 */ 89 public void testB1() { 90 T_div_int_lit16_7 t = new T_div_int_lit16_7(); 91 // result is MIN_VALUE because overflow occurs in this case 92 assertEquals(Integer.MIN_VALUE, t.run()); 93 } 94 95 /** 96 * @title Arguments = Integer.MIN_VALUE / 1 97 */ 98 public void testB2() { 99 T_div_int_lit16_8 t = new T_div_int_lit16_8(); 100 assertEquals(Integer.MIN_VALUE, t.run()); 101 } 102 103 /** 104 * @title Arguments = Integer.MAX_VALUE / 1 105 */ 106 public void testB3() { 107 T_div_int_lit16_9 t = new T_div_int_lit16_9(); 108 assertEquals(Integer.MAX_VALUE, t.run()); 109 } 110 111 /** 112 * @title Arguments = Integer.MIN_VALUE / Short.MAX_VALUE 113 */ 114 public void testB4() { 115 T_div_int_lit16_10 t = new T_div_int_lit16_10(); 116 assertEquals(-65538, t.run()); 117 } 118 119 /** 120 * @title Arguments = 1 / Short.MAX_VALUE 121 */ 122 public void testB5() { 123 T_div_int_lit16_11 t = new T_div_int_lit16_11(); 124 assertEquals(0, t.run()); 125 } 126 127 /** 128 * @title Arguments = 1 / Short.MIN_VALUE 129 */ 130 public void testB6() { 131 T_div_int_lit16_12 t = new T_div_int_lit16_12(); 132 assertEquals(0, t.run()); 133 } 134 135 /** 136 * @title Divisor is 0 137 */ 138 public void testE1() { 139 T_div_int_lit16_13 t = new T_div_int_lit16_13(); 140 try { 141 t.run(); 142 fail("expected ArithmeticException"); 143 } catch (ArithmeticException ae) { 144 // expected 145 } 146 } 147 148 149 150 /** 151 * @constraint B1 152 * @title types of arguments - int / double 153 */ 154 public void testVFE1() { 155 try { 156 Class.forName("dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_14"); 157 fail("expected a verification exception"); 158 } catch (Throwable t) { 159 DxUtil.checkVerifyException(t); 160 } 161 } 162 163 /** 164 * @constraint B1 165 * @title types of arguments - long / int 166 */ 167 public void testVFE2() { 168 try { 169 Class.forName("dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_15"); 170 fail("expected a verification exception"); 171 } catch (Throwable t) { 172 DxUtil.checkVerifyException(t); 173 } 174 } 175 176 /** 177 * @constraint B1 178 * @title types of arguments - reference / int 179 */ 180 public void testVFE3() { 181 try { 182 Class.forName("dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_16"); 183 fail("expected a verification exception"); 184 } catch (Throwable t) { 185 DxUtil.checkVerifyException(t); 186 } 187 } 188 189 /** 190 * @constraint A23 191 * @title number of registers 192 */ 193 public void testVFE4() { 194 try { 195 Class.forName("dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_18"); 196 fail("expected a verification exception"); 197 } catch (Throwable t) { 198 DxUtil.checkVerifyException(t); 199 } 200 } 201 202 /** 203 * @constraint B1 204 * @title Types of arguments - int, float. The verifier checks that ints 205 * and floats are not used interchangeably. 206 */ 207 public void testVFE5() { 208 try { 209 Class.forName("dot.junit.opcodes.div_int_lit16.d.T_div_int_lit16_17"); 210 fail("expected a verification exception"); 211 } catch (Throwable t) { 212 DxUtil.checkVerifyException(t); 213 } 214 } 215 } 216
