1 /* 2 * Copyright 2012, Google Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * * Neither the name of Google Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 package org.jf.dexlib2.dexbacked; 33 34 import junit.framework.Assert; 35 import org.jf.util.ExceptionWithContext; 36 import org.junit.Test; 37 38 public class BaseDexReaderSleb128Test { 39 @Test 40 public void testSleb128() { 41 performTest(0x0, new byte[]{0x0, 0x11}, 1); 42 performTest(0x1, new byte[]{0x1, 0x11}, 1); 43 performTest(0x3f, new byte[]{0x3f, 0x11}, 1); 44 performTest(0xffffffc0, new byte[]{0x40, 0x11}, 1); 45 performTest(0xfffffff0, new byte[]{0x70, 0x11}, 1); 46 performTest(0xffffffff, new byte[]{0x7f, 0x11}, 1); 47 48 performTest(0x80, new byte[]{(byte)0x80, 0x1, 0x11}, 2); 49 performTest(0x100, new byte[]{(byte)0x80, 0x2, 0x11}, 2); 50 performTest(0x800, new byte[]{(byte)0x80, 0x10, 0x11}, 2); 51 performTest(0x1f80, new byte[]{(byte)0x80, 0x3f, 0x11}, 2); 52 performTest(0xffffe000, new byte[]{(byte)0x80, 0x40, 0x11}, 2); 53 performTest(0xffffe080, new byte[]{(byte)0x80, 0x41, 0x11}, 2); 54 performTest(0xfffff800, new byte[]{(byte)0x80, 0x70, 0x11}, 2); 55 performTest(0xffffff80, new byte[]{(byte)0x80, 0x7f, 0x11}, 2); 56 57 performTest(0xff, new byte[]{(byte)0xff, 0x1, 0x11}, 2); 58 performTest(0x17f, new byte[]{(byte)0xff, 0x2, 0x11}, 2); 59 performTest(0x87f, new byte[]{(byte)0xff, 0x10, 0x11}, 2); 60 performTest(0x1fff, new byte[]{(byte)0xff, 0x3f, 0x11}, 2); 61 performTest(0xffffe07f, new byte[]{(byte)0xff, 0x40, 0x11}, 2); 62 performTest(0xffffe0ff, new byte[]{(byte)0xff, 0x41, 0x11}, 2); 63 performTest(0xfffff87f, new byte[]{(byte)0xff, 0x70, 0x11}, 2); 64 performTest(0xffffffff, new byte[]{(byte)0xff, 0x7f, 0x11}, 2); 65 66 performTest(0x4000, new byte[]{(byte)0x80, (byte)0x80, 0x1, 0x11}, 3); 67 performTest(0x8000, new byte[]{(byte)0x80, (byte)0x80, 0x2, 0x11}, 3); 68 performTest(0x40000, new byte[]{(byte)0x80, (byte)0x80, 0x10, 0x11}, 3); 69 performTest(0xfc000, new byte[]{(byte)0x80, (byte)0x80, 0x3f, 0x11}, 3); 70 performTest(0xfff00000, new byte[]{(byte)0x80, (byte)0x80, 0x40, 0x11}, 3); 71 performTest(0xfff04000, new byte[]{(byte)0x80, (byte)0x80, 0x41, 0x11}, 3); 72 performTest(0xfffc0000, new byte[]{(byte)0x80, (byte)0x80, 0x70, 0x11}, 3); 73 performTest(0xffffc000, new byte[]{(byte)0x80, (byte)0x80, 0x7f, 0x11}, 3); 74 75 performTest(0x7fff, new byte[]{(byte)0xff, (byte)0xff, 0x1, 0x11}, 3); 76 performTest(0xbfff, new byte[]{(byte)0xff, (byte)0xff, 0x2, 0x11}, 3); 77 performTest(0x43fff, new byte[]{(byte)0xff, (byte)0xff, 0x10, 0x11}, 3); 78 performTest(0xfffff, new byte[]{(byte)0xff, (byte)0xff, 0x3f, 0x11}, 3); 79 performTest(0xfff03fff, new byte[]{(byte)0xff, (byte)0xff, 0x40, 0x11}, 3); 80 performTest(0xfff07fff, new byte[]{(byte)0xff, (byte)0xff, 0x41, 0x11}, 3); 81 performTest(0xfffc3fff, new byte[]{(byte)0xff, (byte)0xff, 0x70, 0x11}, 3); 82 performTest(0xffffffff, new byte[]{(byte)0xff, (byte)0xff, 0x7f, 0x11}, 3); 83 84 performTest(0x200000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x1, 0x11}, 4); 85 performTest(0x400000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x2, 0x11}, 4); 86 performTest(0x2000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x10, 0x11}, 4); 87 performTest(0x7e00000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x3f, 0x11}, 4); 88 performTest(0xf8000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x40, 0x11}, 4); 89 performTest(0xf8200000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x41, 0x11}, 4); 90 performTest(0xfe000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x70, 0x11}, 4); 91 performTest(0xffe00000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, 0x7f, 0x11}, 4); 92 93 performTest(0x3fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x1, 0x11}, 4); 94 performTest(0x5fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x2, 0x11}, 4); 95 performTest(0x21fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x10, 0x11}, 4); 96 performTest(0x7ffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x3f, 0x11}, 4); 97 performTest(0xf81fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x40, 0x11}, 4); 98 performTest(0xf83fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x41, 0x11}, 4); 99 performTest(0xfe1fffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x70, 0x11}, 4); 100 performTest(0xffffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, 0x7f, 0x11}, 4); 101 102 performTest(0x10000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x1, 0x11}, 5); 103 performTest(0x20000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x2, 0x11}, 5); 104 performTest(0x70000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x7, 0x11}, 5); 105 performTest(0x70000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x17, 0x11}, 5); 106 performTest(0x70000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x47, 0x11}, 5); 107 performTest(0x70000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x77, 0x11}, 5); 108 performTest(0x80000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0x8, 0x11}, 5); 109 performTest(0xe0000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0xe, 0x11}, 5); 110 performTest(0xf0000000, new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, 0xf, 0x11}, 5); 111 112 performTest(0x1fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x1, 0x11}, 5); 113 performTest(0x2fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x2, 0x11}, 5); 114 performTest(0x7fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x7, 0x11}, 5); 115 performTest(0x7fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x17, 0x11}, 5); 116 performTest(0x7fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x47, 0x11}, 5); 117 performTest(0x7fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x77, 0x11}, 5); 118 performTest(0x8fffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x8, 0x11}, 5); 119 performTest(0xefffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0xe, 0x11}, 5); 120 performTest(0xffffffff, new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0xf, 0x11}, 5); 121 122 performTest(0x8197d2, new byte[]{(byte)0xd2, (byte)0xaf, (byte)0x86, 0x4}); 123 performTest(0x3cc8eb78, new byte[]{(byte)0xf8, (byte)0xd6, (byte)0xa3, (byte)0xe6, 0x3}); 124 performTest(0x51307f32, new byte[]{(byte)0xb2, (byte)0xfe, (byte)0xc1, (byte)0x89, 0x5}); 125 performTest(0x8893, new byte[]{(byte)0x93, (byte)0x91, 0x2}); 126 performTest(0x80fb, new byte[]{(byte)0xfb, (byte)0x81, 0x2}); 127 performTest(0x3d, new byte[]{0x3d}); 128 performTest(0x987c, new byte[]{(byte)0xfc, (byte)0xb0, 0x2}); 129 performTest(0x5b2478, new byte[]{(byte)0xf8, (byte)0xc8, (byte)0xec, 0x2}); 130 performTest(0x65350ed9, new byte[]{(byte)0xd9, (byte)0x9d, (byte)0xd4, (byte)0xa9, 0x6}); 131 performTest(0x3e, new byte[]{0x3e}); 132 performTest(0x7b1e, new byte[]{(byte)0x9e, (byte)0xf6, 0x1}); 133 performTest(0xb5, new byte[]{(byte)0xb5, 0x1}); 134 performTest(0x96, new byte[]{(byte)0x96, 0x1}); 135 performTest(0xa1, new byte[]{(byte)0xa1, 0x1}); 136 performTest(0x4d50a85d, new byte[]{(byte)0xdd, (byte)0xd0, (byte)0xc2, (byte)0xea, 0x4}); 137 performTest(0xc419, new byte[]{(byte)0x99, (byte)0x88, 0x3}); 138 performTest(0xcf34, new byte[]{(byte)0xb4, (byte)0x9e, 0x3}); 139 performTest(0x527d, new byte[]{(byte)0xfd, (byte)0xa4, 0x1}); 140 performTest(0x5a2894, new byte[]{(byte)0x94, (byte)0xd1, (byte)0xe8, 0x2}); 141 performTest(0xa6, new byte[]{(byte)0xa6, 0x1}); 142 performTest(0x3e05, new byte[]{(byte)0x85, (byte)0xfc, 0x0}); 143 performTest(0x5f, new byte[]{(byte)0xdf, 0x0}); 144 performTest(0xe2d9af, new byte[]{(byte)0xaf, (byte)0xb3, (byte)0x8b, 0x7}); 145 performTest(0xa853fe14, new byte[]{(byte)0x94, (byte)0xfc, (byte)0xcf, (byte)0xc2, 0xa}); 146 performTest(0xa853fe14, new byte[]{(byte)0x94, (byte)0xfc, (byte)0xcf, (byte)0xc2, 0x7a}); 147 performTest(0x117de731, new byte[]{(byte)0xb1, (byte)0xce, (byte)0xf7, (byte)0x8b, 0x1}); 148 performTest(0xb7c9, new byte[]{(byte)0xc9, (byte)0xef, 0x2}); 149 performTest(0xb1, new byte[]{(byte)0xb1, 0x1}); 150 performTest(0x4f194d, new byte[]{(byte)0xcd, (byte)0xb2, (byte)0xbc, 0x2}); 151 performTest(0x8d5733, new byte[]{(byte)0xb3, (byte)0xae, (byte)0xb5, 0x4}); 152 performTest(0x2824e9ae, new byte[]{(byte)0xae, (byte)0xd3, (byte)0x93, (byte)0xc1, 0x2}); 153 performTest(0x792e, new byte[]{(byte)0xae, (byte)0xf2, 0x1}); 154 performTest(0xadef, new byte[]{(byte)0xef, (byte)0xdb, 0x2}); 155 performTest(0x5c, new byte[]{(byte)0xdc, 0x0}); 156 performTest(0x14f9ccf8, new byte[]{(byte)0xf8, (byte)0x99, (byte)0xe7, (byte)0xa7, 0x1}); 157 performTest(0xd1, new byte[]{(byte)0xd1, 0x1}); 158 performTest(0xba787ecd, new byte[]{(byte)0xcd, (byte)0xfd, (byte)0xe1, (byte)0xd3, 0x7b}); 159 performTest(0x4f, new byte[]{(byte)0xcf, 0x0}); 160 performTest(0xfb03, new byte[]{(byte)0x83, (byte)0xf6, 0x3}); 161 performTest(0xee3f7cd8, new byte[]{(byte)0xd8, (byte)0xf9, (byte)0xfd, (byte)0xf1, 0x7e}); 162 performTest(0x9a6e, new byte[]{(byte)0xee, (byte)0xb4, 0x2}); 163 performTest(0x8f0983, new byte[]{(byte)0x83, (byte)0x93, (byte)0xbc, 0x4}); 164 performTest(0x3a00e01f, new byte[]{(byte)0x9f, (byte)0xc0, (byte)0x83, (byte)0xd0, 0x3}); 165 performTest(0x7f532d93, new byte[]{(byte)0x93, (byte)0xdb, (byte)0xcc, (byte)0xfa, 0x7}); 166 performTest(0x179d8d, new byte[]{(byte)0x8d, (byte)0xbb, (byte)0xde, 0x0}); 167 performTest(0xfc5, new byte[]{(byte)0xc5, 0x1f}); 168 performTest(0x11, new byte[]{0x11}); 169 performTest(0xc9b53e8, new byte[]{(byte)0xe8, (byte)0xa7, (byte)0xed, (byte)0xe4, 0x0}); 170 performTest(0x97, new byte[]{(byte)0x97, 0x1}); 171 performTest(0x52b3, new byte[]{(byte)0xb3, (byte)0xa5, 0x1}); 172 performTest(0x92, new byte[]{(byte)0x92, 0x1}); 173 performTest(0xd2, new byte[]{(byte)0xd2, 0x1}); 174 performTest(0x13d330, new byte[]{(byte)0xb0, (byte)0xa6, (byte)0xcf, 0x0}); 175 performTest(0x672f41, new byte[]{(byte)0xc1, (byte)0xde, (byte)0x9c, 0x3}); 176 performTest(0xcf, new byte[]{(byte)0xcf, 0x1}); 177 performTest(0x54ddb6dd, new byte[]{(byte)0xdd, (byte)0xed, (byte)0xf6, (byte)0xa6, 0x5}); 178 performTest(0x7ebcae, new byte[]{(byte)0xae, (byte)0xf9, (byte)0xfa, 0x3}); 179 performTest(0x38, new byte[]{0x38}); 180 performTest(0x8118f4e7, new byte[]{(byte)0xe7, (byte)0xe9, (byte)0xe3, (byte)0x88, 0x78}); 181 performTest(0xac, new byte[]{(byte)0xac, 0x1}); 182 performTest(0xab309c, new byte[]{(byte)0x9c, (byte)0xe1, (byte)0xac, 0x5}); 183 performTest(0x1bf9b2, new byte[]{(byte)0xb2, (byte)0xf3, (byte)0xef, 0x0}); 184 performTest(0x8b3c70, new byte[]{(byte)0xf0, (byte)0xf8, (byte)0xac, 0x4}); 185 performTest(0x7774, new byte[]{(byte)0xf4, (byte)0xee, 0x1}); 186 performTest(0x33e839, new byte[]{(byte)0xb9, (byte)0xd0, (byte)0xcf, 0x1}); 187 performTest(0x84d655a0, new byte[]{(byte)0xa0, (byte)0xab, (byte)0xd9, (byte)0xa6, 0x78}); 188 performTest(0xf3543ef3, new byte[]{(byte)0xf3, (byte)0xfd, (byte)0xd0, (byte)0x9a, 0x7f}); 189 performTest(0x1d777e, new byte[]{(byte)0xfe, (byte)0xee, (byte)0xf5, 0x0}); 190 performTest(0xf7, new byte[]{(byte)0xf7, 0x1}); 191 performTest(0x2444, new byte[]{(byte)0xc4, (byte)0xc8, 0x0}); 192 performTest(0x536b, new byte[]{(byte)0xeb, (byte)0xa6, 0x1}); 193 performTest(0xa8, new byte[]{(byte)0xa8, 0x1}); 194 performTest(0xdbfc, new byte[]{(byte)0xfc, (byte)0xb7, 0x3}); 195 performTest(0xe66db7, new byte[]{(byte)0xb7, (byte)0xdb, (byte)0x99, 0x7}); 196 performTest(0xb7ca, new byte[]{(byte)0xca, (byte)0xef, 0x2}); 197 performTest(0xe807d0e5, new byte[]{(byte)0xe5, (byte)0xa1, (byte)0x9f, (byte)0xc0, 0x7e}); 198 performTest(0x6a4, new byte[]{(byte)0xa4, 0xd}); 199 performTest(0x64, new byte[]{(byte)0xe4, 0x0}); 200 performTest(0xf3fb75, new byte[]{(byte)0xf5, (byte)0xf6, (byte)0xcf, 0x7}); 201 performTest(0xb72cb6b9, new byte[]{(byte)0xb9, (byte)0xed, (byte)0xb2, (byte)0xb9, 0x7b}); 202 performTest(0xfd, new byte[]{(byte)0xfd, 0x1}); 203 performTest(0xb48b, new byte[]{(byte)0x8b, (byte)0xe9, 0x2}); 204 performTest(0x39c3, new byte[]{(byte)0xc3, (byte)0xf3, 0x0}); 205 performTest(0x12b8afbd, new byte[]{(byte)0xbd, (byte)0xdf, (byte)0xe2, (byte)0x95, 0x1}); 206 performTest(0x56f149, new byte[]{(byte)0xc9, (byte)0xe2, (byte)0xdb, 0x2}); 207 performTest(0xbf, new byte[]{(byte)0xbf, 0x1}); 208 performTest(0x3ac72481, new byte[]{(byte)0x81, (byte)0xc9, (byte)0x9c, (byte)0xd6, 0x3}); 209 performTest(0xb69ca721, new byte[]{(byte)0xa1, (byte)0xce, (byte)0xf2, (byte)0xb4, 0x7b}); 210 performTest(0x2380, new byte[]{(byte)0x80, (byte)0xc7, 0x0}); 211 performTest(0x656268, new byte[]{(byte)0xe8, (byte)0xc4, (byte)0x95, 0x3}); 212 performTest(0x71, new byte[]{(byte)0xf1, 0x0}); 213 performTest(0xf06425, new byte[]{(byte)0xa5, (byte)0xc8, (byte)0xc1, 0x7}); 214 performTest(0xb587cb, new byte[]{(byte)0xcb, (byte)0x8f, (byte)0xd6, 0x5}); 215 performTest(0x8742, new byte[]{(byte)0xc2, (byte)0x8e, 0x2}); 216 performTest(0xc6, new byte[]{(byte)0xc6, 0x1}); 217 performTest(0xee62789f, new byte[]{(byte)0x9f, (byte)0xf1, (byte)0x89, (byte)0xf3, 0x7e}); 218 performTest(0x470a, new byte[]{(byte)0x8a, (byte)0x8e, 0x1}); 219 performTest(0x11ef5cdc, new byte[]{(byte)0xdc, (byte)0xb9, (byte)0xbd, (byte)0x8f, 0x1}); 220 performTest(0xc44ea9, new byte[]{(byte)0xa9, (byte)0x9d, (byte)0x91, 0x6}); 221 performTest(0x94477f78, new byte[]{(byte)0xf8, (byte)0xfe, (byte)0x9d, (byte)0xa2, 0x79}); 222 performTest(0xe47a0b4f, new byte[]{(byte)0xcf, (byte)0x96, (byte)0xe8, (byte)0xa3, 0x7e}); 223 } 224 225 @Test 226 public void testSleb128Failure() { 227 // test the case when the MSB of the last byte is set 228 229 performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x81, 0x11}); 230 performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x82, 0x11}); 231 performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x87, 0x11}); 232 performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x97, 0x11}); 233 performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0xc7, 0x11}); 234 performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0xf7, 0x11}); 235 performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x88, 0x11}); 236 performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x8e, 0x11}); 237 performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0x8f, 0x11}); 238 performFailureTest(new byte[]{(byte)0x80, (byte)0x80, (byte)0x80, (byte)0x80, (byte)0xff, 0x11}); 239 240 performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0x81, 0x11}); 241 performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0x82, 0x11}); 242 performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0x87, 0x11}); 243 performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0x97, 0x11}); 244 performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xc7, 0x11}); 245 performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xf7, 0x11}); 246 performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0x88, 0x11}); 247 performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0x8e, 0x11}); 248 performFailureTest(new byte[]{(byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff, 0x11}); 249 } 250 251 private void performTest(int expectedValue, byte[] buf) { 252 performTest(expectedValue, buf, buf.length); 253 } 254 255 private void performTest(int expectedValue, byte[] buf, int expectedLength) { 256 BaseDexBuffer dexBuf = new BaseDexBuffer(buf); 257 BaseDexReader reader = dexBuf.readerAt(0); 258 Assert.assertEquals(expectedValue, reader.readSleb128()); 259 Assert.assertEquals(expectedLength, reader.getOffset()); 260 261 reader = dexBuf.readerAt(0); 262 Assert.assertEquals(expectedLength, reader.peekSleb128Size()); 263 } 264 265 private void performFailureTest(byte[] buf) { 266 BaseDexBuffer dexBuf = new BaseDexBuffer(buf); 267 BaseDexReader reader = dexBuf.readerAt(0); 268 try { 269 reader.peekSleb128Size(); 270 Assert.fail(); 271 } catch (ExceptionWithContext ex) { 272 // expected exception 273 } 274 try { 275 reader.readSleb128(); 276 Assert.fail(); 277 } catch (ExceptionWithContext ex) { 278 // expected exception 279 } 280 } 281 } 282
