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.if_eq; 18 19 import dot.junit.DxTestCase; 20 import dot.junit.DxUtil; 21 import dot.junit.opcodes.if_eq.d.T_if_eq_1; 22 import dot.junit.opcodes.if_eq.d.T_if_eq_2; 23 import dot.junit.opcodes.if_eq.d.T_if_eq_4; 24 25 public class Test_if_eq extends DxTestCase { 26 27 /** 28 * @title Arguments = 5, 6 29 */ testN1()30 public void testN1() { 31 T_if_eq_1 t = new T_if_eq_1(); 32 /* 33 * Compare with 1234 to check that in case of failed comparison 34 * execution proceeds at the address following if_eq instruction 35 */ 36 assertEquals(1234, t.run(5, 6)); 37 } 38 39 /** 40 * @title Arguments = 0x0f0e0d0c, 0x0f0e0d0c 41 */ testN2()42 public void testN2() { 43 T_if_eq_1 t = new T_if_eq_1(); 44 assertEquals(1, t.run(0x0f0e0d0c, 0x0f0e0d0c)); 45 } 46 47 /** 48 * @title Arguments = 5, -5 49 */ testN3()50 public void testN3() { 51 T_if_eq_1 t = new T_if_eq_1(); 52 assertEquals(1234, t.run(5, -5)); 53 } 54 55 /** 56 * @title Arguments = 0x01001234, 0x1234 57 */ testN4()58 public void testN4() { 59 T_if_eq_1 t = new T_if_eq_1(); 60 assertEquals(1234, t.run(0x01001234, 0x1234)); 61 } 62 63 /** 64 * @title compare references 65 */ testN5()66 public void testN5() { 67 T_if_eq_2 t = new T_if_eq_2(); 68 String a = "a"; 69 String b = "b"; 70 assertEquals(1234, t.run(a, b)); 71 } 72 73 /** 74 * @title compare references 75 */ testN6()76 public void testN6() { 77 T_if_eq_2 t = new T_if_eq_2(); 78 String a = "a"; 79 assertEquals(1, t.run(a, a)); 80 } 81 82 /** 83 * @title Types of arguments - int, float. Dalvik doens't distinguish 32-bits types internally, 84 * so this operation of int and float makes no sense but shall not crash the VM. 85 */ testN7()86 public void testN7() { 87 T_if_eq_4 t = new T_if_eq_4(); 88 assertEquals(1234, t.run(1f, 1)); 89 } 90 91 /** 92 * @title Arguments = Integer.MAX_VALUE, Integer.MAX_VALUE 93 */ testB1()94 public void testB1() { 95 T_if_eq_1 t = new T_if_eq_1(); 96 assertEquals(1, t.run(Integer.MAX_VALUE, Integer.MAX_VALUE)); 97 } 98 99 /** 100 * @title Arguments = Integer.MIN_VALUE, Integer.MIN_VALUE 101 */ testB2()102 public void testB2() { 103 T_if_eq_1 t = new T_if_eq_1(); 104 assertEquals(1, t.run(Integer.MIN_VALUE, Integer.MIN_VALUE)); 105 } 106 107 /** 108 * @title Arguments = 0, 1234567 109 */ testB3()110 public void testB3() { 111 T_if_eq_1 t = new T_if_eq_1(); 112 assertEquals(1234, t.run(0, 1234567)); 113 } 114 115 /** 116 * @title Arguments = 0, 0 117 */ testB4()118 public void testB4() { 119 T_if_eq_1 t = new T_if_eq_1(); 120 assertEquals(1, t.run(0, 0)); 121 } 122 123 /** 124 * @title Compare reference with null 125 */ testB5()126 public void testB5() { 127 T_if_eq_2 t = new T_if_eq_2(); 128 String a = "a"; 129 assertEquals(1234, t.run(null, a)); 130 } 131 132 /** 133 * @constraint A23 134 * @title number of registers 135 */ testVFE1()136 public void testVFE1() { 137 try { 138 Class.forName("dot.junit.opcodes.if_eq.d.T_if_eq_5"); 139 fail("expected a verification exception"); 140 } catch (Throwable t) { 141 DxUtil.checkVerifyException(t); 142 } 143 } 144 145 146 /** 147 * @constraint B1 148 * @title types of arguments - int, double 149 */ testVFE2()150 public void testVFE2() { 151 try { 152 Class.forName("dot.junit.opcodes.if_eq.d.T_if_eq_7"); 153 fail("expected a verification exception"); 154 } catch (Throwable t) { 155 DxUtil.checkVerifyException(t); 156 } 157 } 158 159 /** 160 * @constraint B1 161 * @title types of arguments - long, int 162 */ testVFE3()163 public void testVFE3() { 164 try { 165 Class.forName("dot.junit.opcodes.if_eq.d.T_if_eq_8"); 166 fail("expected a verification exception"); 167 } catch (Throwable t) { 168 DxUtil.checkVerifyException(t); 169 } 170 } 171 172 /** 173 * @constraint B1 174 * @title types of arguments - int, reference 175 */ testVFE4()176 public void testVFE4() { 177 try { 178 Class.forName("dot.junit.opcodes.if_eq.d.T_if_eq_9"); 179 fail("expected a verification exception"); 180 } catch (Throwable t) { 181 DxUtil.checkVerifyException(t); 182 } 183 } 184 185 /** 186 * @constraint A6 187 * @title branch target shall be inside the method 188 */ testVFE5()189 public void testVFE5() { 190 try { 191 Class.forName("dot.junit.opcodes.if_eq.d.T_if_eq_10"); 192 fail("expected a verification exception"); 193 } catch (Throwable t) { 194 DxUtil.checkVerifyException(t); 195 } 196 } 197 198 /** 199 * @constraint A6 200 * @title branch target shall not be "inside" instruction 201 */ testVFE6()202 public void testVFE6() { 203 try { 204 Class.forName("dot.junit.opcodes.if_eq.d.T_if_eq_11"); 205 fail("expected a verification exception"); 206 } catch (Throwable t) { 207 DxUtil.checkVerifyException(t); 208 } 209 } 210 211 /** 212 * @constraint n/a 213 * @title zero offset 214 */ testVFE7()215 public void testVFE7() { 216 try { 217 Class.forName("dot.junit.opcodes.if_eq.d.T_if_eq_12"); 218 fail("expected a verification exception"); 219 } catch (Throwable t) { 220 DxUtil.checkVerifyException(t); 221 } 222 } 223 } 224