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_long; 18 19 import dot.junit.DxTestCase; 20 import dot.junit.DxUtil; 21 import dot.junit.opcodes.div_long.d.T_div_long_1; 22 import dot.junit.opcodes.div_long.d.T_div_long_2; 23 24 25 public class Test_div_long extends DxTestCase { 26 /** 27 * @title Arguments = 100000000000l, 40000000000l 28 */ 29 public void testN1() { 30 T_div_long_1 t = new T_div_long_1(); 31 assertEquals(2l, t.run(100000000000l, 40000000000l)); 32 } 33 34 /** 35 * @title Rounding 36 */ 37 public void testN2() { 38 T_div_long_1 t = new T_div_long_1(); 39 assertEquals(8l, t.run(98765432123456l, 12345678912345l)); 40 } 41 42 /** 43 * @title Dividend = 0 44 */ 45 public void testN3() { 46 T_div_long_1 t = new T_div_long_1(); 47 assertEquals(0l, t.run(0l, 98765432123456l)); 48 } 49 50 /** 51 * @title Dividend is negative 52 */ 53 public void testN4() { 54 T_div_long_1 t = new T_div_long_1(); 55 assertEquals(-8, t.run(-98765432123456l, 12345678912345l)); 56 } 57 58 /** 59 * @title Divisor is negative 60 */ 61 public void testN5() { 62 T_div_long_1 t = new T_div_long_1(); 63 assertEquals(-8, t.run(98765432123456l, -12345678912345l)); 64 } 65 66 /** 67 * @title Both Dividend and divisor are negative 68 */ 69 public void testN6() { 70 T_div_long_1 t = new T_div_long_1(); 71 assertEquals(80l, t.run(-98765432123456l, -1234567891234l)); 72 } 73 74 /** 75 * @title Types of arguments - long, double. Dalvik doens't distinguish 64-bits types internally, 76 * so this division of long and double makes no sense but shall not crash the VM. 77 */ 78 public void testN7() { 79 T_div_long_2 t = new T_div_long_2(); 80 try { 81 t.run(1234l, 3.1415d); 82 } catch (Throwable e) { 83 } 84 } 85 86 /** 87 * @title Arguments = Long.MIN_VALUE, -1 88 */ 89 public void testB1() { 90 T_div_long_1 t = new T_div_long_1(); 91 assertEquals(-9223372036854775808L, t.run(Long.MIN_VALUE, -1)); 92 } 93 94 /** 95 * @title Arguments = Long.MIN_VALUE, 1 96 */ 97 public void testB2() { 98 T_div_long_1 t = new T_div_long_1(); 99 assertEquals(-9223372036854775808L, t.run(Long.MIN_VALUE, 1)); 100 } 101 102 /** 103 * @title Arguments = Long.MAX_VALUE, 1 104 */ 105 public void testB3() { 106 T_div_long_1 t = new T_div_long_1(); 107 assertEquals(9223372036854775807L, t.run(Long.MAX_VALUE, 1)); 108 } 109 110 /** 111 * @title Arguments = Long.MIN_VALUE, Long.MAX_VALUE 112 */ 113 public void testB4() { 114 T_div_long_1 t = new T_div_long_1(); 115 assertEquals(-1, t.run(Long.MIN_VALUE, Long.MAX_VALUE)); 116 } 117 118 /** 119 * @title Arguments = 1, Long.MAX_VALUE 120 */ 121 public void testB5() { 122 T_div_long_1 t = new T_div_long_1(); 123 assertEquals(0, t.run(1, Long.MAX_VALUE)); 124 } 125 126 /** 127 * @title Arguments = 1, Long.MIN_VALUE 128 */ 129 public void testB6() { 130 T_div_long_1 t = new T_div_long_1(); 131 assertEquals(0, t.run(1, Long.MIN_VALUE)); 132 } 133 134 /** 135 * @title Divisor is 0 136 */ 137 public void testE1() { 138 T_div_long_1 t = new T_div_long_1(); 139 try { 140 t.run(12345678912345l, 0); 141 fail("expected ArithmeticException"); 142 } catch (ArithmeticException ae) { 143 // expected 144 } 145 } 146 147 148 149 /** 150 * @constraint A24 151 * @title number of registers 152 */ 153 public void testVFE1() { 154 try { 155 Class.forName("dot.junit.opcodes.div_long.d.T_div_long_6"); 156 fail("expected a verification exception"); 157 } catch (Throwable t) { 158 DxUtil.checkVerifyException(t); 159 } 160 } 161 162 /** 163 * @constraint B1 164 * @title types of arguments - int / long 165 */ 166 public void testVFE2() { 167 try { 168 Class.forName("dot.junit.opcodes.div_long.d.T_div_long_3"); 169 fail("expected a verification exception"); 170 } catch (Throwable t) { 171 DxUtil.checkVerifyException(t); 172 } 173 } 174 175 /** 176 * @constraint B1 177 * @title types of arguments - float / long 178 */ 179 public void testVFE3() { 180 try { 181 Class.forName("dot.junit.opcodes.div_long.d.T_div_long_4"); 182 fail("expected a verification exception"); 183 } catch (Throwable t) { 184 DxUtil.checkVerifyException(t); 185 } 186 } 187 188 /** 189 * @constraint B1 190 * @title types of arguments - reference / long 191 */ 192 public void testVFE4() { 193 try { 194 Class.forName("dot.junit.opcodes.div_long.d.T_div_long_5"); 195 fail("expected a verification exception"); 196 } catch (Throwable t) { 197 DxUtil.checkVerifyException(t); 198 } 199 } 200 201 } 202