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 dxc.junit.opcodes.idiv; 18 19 import dxc.junit.DxTestCase; 20 import dxc.junit.DxUtil; 21 import dxc.junit.opcodes.idiv.jm.T_idiv_1; 22 23 public class Test_idiv extends DxTestCase { 24 25 /** 26 * @title Arguments = 8, 4 27 */ 28 public void testN1() { 29 T_idiv_1 t = new T_idiv_1(); 30 assertEquals(2, t.run(8, 4)); 31 } 32 33 /** 34 * @title Rounding 35 */ 36 public void testN2() { 37 T_idiv_1 t = new T_idiv_1(); 38 assertEquals(268435455, t.run(1073741823, 4)); 39 } 40 41 /** 42 * @title Dividend = 0 43 */ 44 public void testN3() { 45 T_idiv_1 t = new T_idiv_1(); 46 assertEquals(0, t.run(0, 4)); 47 } 48 49 /** 50 * @title Dividend is negative 51 */ 52 public void testN4() { 53 T_idiv_1 t = new T_idiv_1(); 54 assertEquals(-3, t.run(-10, 3)); 55 } 56 57 /** 58 * @title Divisor is negative 59 */ 60 public void testN5() { 61 T_idiv_1 t = new T_idiv_1(); 62 assertEquals(-357913941, t.run(1073741824, -3)); 63 } 64 65 /** 66 * @title Both Dividend and divisor are negative 67 */ 68 public void testN6() { 69 T_idiv_1 t = new T_idiv_1(); 70 assertEquals(5965, t.run(-17895697, -3000)); 71 } 72 73 /** 74 * @title Arguments = Integer.MIN_VALUE, -1 75 */ 76 public void testB1() { 77 T_idiv_1 t = new T_idiv_1(); 78 // result is MIN_VALUE because overflow occurs in this case 79 assertEquals(Integer.MIN_VALUE, t.run(Integer.MIN_VALUE, -1)); 80 } 81 82 /** 83 * @title Arguments = Integer.MIN_VALUE, 1 84 */ 85 public void testB2() { 86 T_idiv_1 t = new T_idiv_1(); 87 assertEquals(Integer.MIN_VALUE, t.run(Integer.MIN_VALUE, 1)); 88 } 89 90 /** 91 * @title Arguments = Integer.MAX_VALUE, 1 92 */ 93 public void testB3() { 94 T_idiv_1 t = new T_idiv_1(); 95 assertEquals(Integer.MAX_VALUE, t.run(Integer.MAX_VALUE, 1)); 96 } 97 98 /** 99 * @title Arguments = Integer.MIN_VALUE, Integer.MAX_VALUE 100 */ 101 public void testB4() { 102 T_idiv_1 t = new T_idiv_1(); 103 assertEquals(-1, t.run(Integer.MIN_VALUE, Integer.MAX_VALUE)); 104 } 105 106 /** 107 * @title Arguments = 1, Integer.MAX_VALUE 108 */ 109 public void testB5() { 110 T_idiv_1 t = new T_idiv_1(); 111 assertEquals(0, t.run(1, Integer.MAX_VALUE)); 112 } 113 114 /** 115 * @title Arguments = 1, Integer.MIN_VALUE 116 */ 117 public void testB6() { 118 T_idiv_1 t = new T_idiv_1(); 119 assertEquals(0, t.run(1, Integer.MIN_VALUE)); 120 } 121 122 /** 123 * @title Divisor is 0 124 */ 125 public void testE1() { 126 T_idiv_1 t = new T_idiv_1(); 127 try { 128 t.run(1, 0); 129 fail("expected ArithmeticException"); 130 } catch (ArithmeticException ae) { 131 // expected 132 } 133 } 134 135 /** 136 * @constraint 4.8.2.1 137 * @title number of arguments 138 */ 139 public void testVFE1() { 140 try { 141 Class.forName("dxc.junit.opcodes.idiv.jm.T_idiv_2"); 142 fail("expected a verification exception"); 143 } catch (Throwable t) { 144 DxUtil.checkVerifyException(t); 145 } 146 } 147 148 /** 149 * @constraint 4.8.2.1 150 * @title types of arguments - int / double 151 */ 152 public void testVFE2() { 153 try { 154 Class.forName("dxc.junit.opcodes.idiv.jm.T_idiv_3"); 155 fail("expected a verification exception"); 156 } catch (Throwable t) { 157 DxUtil.checkVerifyException(t); 158 } 159 } 160 161 /** 162 * @constraint 4.8.2.1 163 * @title types of arguments - long / int 164 */ 165 public void testVFE3() { 166 try { 167 Class.forName("dxc.junit.opcodes.idiv.jm.T_idiv_4"); 168 fail("expected a verification exception"); 169 } catch (Throwable t) { 170 DxUtil.checkVerifyException(t); 171 } 172 } 173 174 /** 175 * @constraint 4.8.2.1 176 * @title types of arguments - reference / int 177 */ 178 public void testVFE4() { 179 try { 180 Class.forName("dxc.junit.opcodes.idiv.jm.T_idiv_5"); 181 fail("expected a verification exception"); 182 } catch (Throwable t) { 183 DxUtil.checkVerifyException(t); 184 } 185 } 186 187 } 188
