Mon, 29 Apr 2013 16:13:57 -0400
8011773: Some tests on Interned String crashed JVM with OOM
Summary: Instead of terminating the VM, throw OutOfMemoryError exceptions.
Reviewed-by: coleenp, dholmes
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | /** |
aoqi@0 | 26 | * @test |
aoqi@0 | 27 | * @bug 6942326 |
aoqi@0 | 28 | * @summary x86 code in string_indexof() could read beyond reserved heap space |
aoqi@0 | 29 | * |
aoqi@0 | 30 | * @run main/othervm/timeout=300 -Xmx32m -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:CompileCommand=exclude,Test,main -XX:CompileCommand=exclude,Test,test_varsub_indexof -XX:CompileCommand=exclude,Test,test_varstr_indexof -XX:CompileCommand=exclude,Test,test_missub_indexof -XX:CompileCommand=exclude,Test,test_consub_indexof -XX:CompileCommand=exclude,Test,test_conmis_indexof -XX:CompileCommand=exclude,Test,test_subcon Test |
aoqi@0 | 31 | * |
aoqi@0 | 32 | */ |
aoqi@0 | 33 | |
aoqi@0 | 34 | public class Test { |
aoqi@0 | 35 | |
aoqi@0 | 36 | static String[] strings = new String[1024]; |
aoqi@0 | 37 | private static final int ITERATIONS = 100000; |
aoqi@0 | 38 | |
aoqi@0 | 39 | public static void main(String[] args) { |
aoqi@0 | 40 | |
aoqi@0 | 41 | long start_total = System.currentTimeMillis(); |
aoqi@0 | 42 | |
aoqi@0 | 43 | // search variable size substring in string (33 chars). |
aoqi@0 | 44 | String a = " 1111111111111xx1111111111111xx11y"; // +1 to execute a.substring(1) first |
aoqi@0 | 45 | String b = "1111111111111xx1111111111111xx11y"; |
aoqi@0 | 46 | test_varsub_indexof(a, b); |
aoqi@0 | 47 | |
aoqi@0 | 48 | // search variable size substring in string (32 chars). |
aoqi@0 | 49 | a = " 1111111111111xx1111111111111xx1y"; |
aoqi@0 | 50 | b = "1111111111111xx1111111111111xx1y"; |
aoqi@0 | 51 | test_varsub_indexof(a, b); |
aoqi@0 | 52 | |
aoqi@0 | 53 | // search variable size substring in string (17 chars). |
aoqi@0 | 54 | a = " 1111111111111xx1y"; |
aoqi@0 | 55 | b = "1111111111111xx1y"; |
aoqi@0 | 56 | test_varsub_indexof(a, b); |
aoqi@0 | 57 | |
aoqi@0 | 58 | // search variable size substring in string (16 chars). |
aoqi@0 | 59 | a = " 111111111111xx1y"; |
aoqi@0 | 60 | b = "111111111111xx1y"; |
aoqi@0 | 61 | test_varsub_indexof(a, b); |
aoqi@0 | 62 | |
aoqi@0 | 63 | // search variable size substring in string (8 chars). |
aoqi@0 | 64 | a = " 1111xx1y"; |
aoqi@0 | 65 | b = "1111xx1y"; |
aoqi@0 | 66 | test_varsub_indexof(a, b); |
aoqi@0 | 67 | |
aoqi@0 | 68 | // search variable size substring in string (7 chars). |
aoqi@0 | 69 | a = " 111xx1y"; |
aoqi@0 | 70 | b = "111xx1y"; |
aoqi@0 | 71 | test_varsub_indexof(a, b); |
aoqi@0 | 72 | |
aoqi@0 | 73 | |
aoqi@0 | 74 | |
aoqi@0 | 75 | // search substring (17 chars) in variable size string. |
aoqi@0 | 76 | a = "1111111111111xx1x"; |
aoqi@0 | 77 | b = " 1111111111111xx1111111111111xx1x"; // +1 to execute b.substring(1) first |
aoqi@0 | 78 | test_varstr_indexof(a, b); |
aoqi@0 | 79 | |
aoqi@0 | 80 | // search substring (16 chars) in variable size string. |
aoqi@0 | 81 | a = "111111111111xx1x"; |
aoqi@0 | 82 | b = " 1111111111111xx1111111111111xx1x"; |
aoqi@0 | 83 | test_varstr_indexof(a, b); |
aoqi@0 | 84 | |
aoqi@0 | 85 | // search substring (9 chars) in variable size string. |
aoqi@0 | 86 | a = "11111xx1x"; |
aoqi@0 | 87 | b = " 1111111111111xx1111111111111xx1x"; |
aoqi@0 | 88 | test_varstr_indexof(a, b); |
aoqi@0 | 89 | |
aoqi@0 | 90 | // search substring (8 chars) in variable size string. |
aoqi@0 | 91 | a = "1111xx1x"; |
aoqi@0 | 92 | b = " 1111111111111xx1111111111111xx1x"; |
aoqi@0 | 93 | test_varstr_indexof(a, b); |
aoqi@0 | 94 | |
aoqi@0 | 95 | // search substring (4 chars) in variable size string. |
aoqi@0 | 96 | a = "xx1x"; |
aoqi@0 | 97 | b = " 1111111111111xx1111111111111xx1x"; |
aoqi@0 | 98 | test_varstr_indexof(a, b); |
aoqi@0 | 99 | |
aoqi@0 | 100 | // search substring (3 chars) in variable size string. |
aoqi@0 | 101 | a = "x1x"; |
aoqi@0 | 102 | b = " 1111111111111xx1111111111111xx1x"; |
aoqi@0 | 103 | test_varstr_indexof(a, b); |
aoqi@0 | 104 | |
aoqi@0 | 105 | // search substring (2 chars) in variable size string. |
aoqi@0 | 106 | a = "1y"; |
aoqi@0 | 107 | b = " 1111111111111xx1111111111111xx1y"; |
aoqi@0 | 108 | test_varstr_indexof(a, b); |
aoqi@0 | 109 | |
aoqi@0 | 110 | |
aoqi@0 | 111 | |
aoqi@0 | 112 | // search non matching variable size substring in string (33 chars). |
aoqi@0 | 113 | a = " 1111111111111xx1111111111111xx11z"; // +1 to execute a.substring(1) first |
aoqi@0 | 114 | b = "1111111111111xx1111111111111xx11y"; |
aoqi@0 | 115 | test_missub_indexof(a, b); |
aoqi@0 | 116 | |
aoqi@0 | 117 | // search non matching variable size substring in string (32 chars). |
aoqi@0 | 118 | a = " 1111111111111xx1111111111111xx1z"; |
aoqi@0 | 119 | b = "1111111111111xx1111111111111xx1y"; |
aoqi@0 | 120 | test_missub_indexof(a, b); |
aoqi@0 | 121 | |
aoqi@0 | 122 | // search non matching variable size substring in string (17 chars). |
aoqi@0 | 123 | a = " 1111111111111xx1z"; |
aoqi@0 | 124 | b = "1111111111111xx1y"; |
aoqi@0 | 125 | test_missub_indexof(a, b); |
aoqi@0 | 126 | |
aoqi@0 | 127 | // search non matching variable size substring in string (16 chars). |
aoqi@0 | 128 | a = " 111111111111xx1z"; |
aoqi@0 | 129 | b = "111111111111xx1y"; |
aoqi@0 | 130 | test_missub_indexof(a, b); |
aoqi@0 | 131 | |
aoqi@0 | 132 | // search non matching variable size substring in string (8 chars). |
aoqi@0 | 133 | a = " 1111xx1z"; |
aoqi@0 | 134 | b = "1111xx1y"; |
aoqi@0 | 135 | test_missub_indexof(a, b); |
aoqi@0 | 136 | |
aoqi@0 | 137 | // search non matching variable size substring in string (7 chars). |
aoqi@0 | 138 | a = " 111xx1z"; |
aoqi@0 | 139 | b = "111xx1y"; |
aoqi@0 | 140 | test_missub_indexof(a, b); |
aoqi@0 | 141 | |
aoqi@0 | 142 | |
aoqi@0 | 143 | |
aoqi@0 | 144 | // Testing constant substring search in variable size string. |
aoqi@0 | 145 | |
aoqi@0 | 146 | // search constant substring (17 chars). |
aoqi@0 | 147 | b = " 1111111111111xx1111111111111xx1x"; // +1 to execute b.substring(1) first |
aoqi@0 | 148 | TestCon tc = new TestCon17(); |
aoqi@0 | 149 | test_consub_indexof(tc, b); |
aoqi@0 | 150 | |
aoqi@0 | 151 | // search constant substring (16 chars). |
aoqi@0 | 152 | b = " 1111111111111xx1111111111111xx1x"; |
aoqi@0 | 153 | tc = new TestCon16(); |
aoqi@0 | 154 | test_consub_indexof(tc, b); |
aoqi@0 | 155 | |
aoqi@0 | 156 | // search constant substring (9 chars). |
aoqi@0 | 157 | b = " 1111111111111xx1111111111111xx1x"; |
aoqi@0 | 158 | tc = new TestCon9(); |
aoqi@0 | 159 | test_consub_indexof(tc, b); |
aoqi@0 | 160 | |
aoqi@0 | 161 | // search constant substring (8 chars). |
aoqi@0 | 162 | b = " 1111111111111xx1111111111111xx1x"; |
aoqi@0 | 163 | tc = new TestCon8(); |
aoqi@0 | 164 | test_consub_indexof(tc, b); |
aoqi@0 | 165 | |
aoqi@0 | 166 | // search constant substring (4 chars). |
aoqi@0 | 167 | b = " 1111111111111xx1111111111111xx1x"; |
aoqi@0 | 168 | tc = new TestCon4(); |
aoqi@0 | 169 | test_consub_indexof(tc, b); |
aoqi@0 | 170 | |
aoqi@0 | 171 | // search constant substring (3 chars). |
aoqi@0 | 172 | b = " 1111111111111xx1111111111111xx1x"; |
aoqi@0 | 173 | tc = new TestCon3(); |
aoqi@0 | 174 | test_consub_indexof(tc, b); |
aoqi@0 | 175 | |
aoqi@0 | 176 | // search constant substring (2 chars). |
aoqi@0 | 177 | b = " 1111111111111xx1111111111111xx1y"; |
aoqi@0 | 178 | tc = new TestCon2(); |
aoqi@0 | 179 | test_consub_indexof(tc, b); |
aoqi@0 | 180 | |
aoqi@0 | 181 | // search constant substring (1 chars). |
aoqi@0 | 182 | b = " 1111111111111xx1111111111111xx1y"; |
aoqi@0 | 183 | tc = new TestCon1(); |
aoqi@0 | 184 | test_consub_indexof(tc, b); |
aoqi@0 | 185 | |
aoqi@0 | 186 | |
aoqi@0 | 187 | // search non matching constant substring (17 chars). |
aoqi@0 | 188 | b = " 1111111111111xx1111111111111xx1z"; // +1 to execute b.substring(1) first |
aoqi@0 | 189 | tc = new TestCon17(); |
aoqi@0 | 190 | test_conmis_indexof(tc, b); |
aoqi@0 | 191 | |
aoqi@0 | 192 | // search non matching constant substring (16 chars). |
aoqi@0 | 193 | b = " 1111111111111xx1111111111111xx1z"; |
aoqi@0 | 194 | tc = new TestCon16(); |
aoqi@0 | 195 | test_conmis_indexof(tc, b); |
aoqi@0 | 196 | |
aoqi@0 | 197 | // search non matching constant substring (9 chars). |
aoqi@0 | 198 | b = " 1111111111111xx1111111111111xx1z"; |
aoqi@0 | 199 | tc = new TestCon9(); |
aoqi@0 | 200 | test_conmis_indexof(tc, b); |
aoqi@0 | 201 | |
aoqi@0 | 202 | // search non matching constant substring (8 chars). |
aoqi@0 | 203 | b = " 1111111111111xx1111111111111xx1z"; |
aoqi@0 | 204 | tc = new TestCon8(); |
aoqi@0 | 205 | test_conmis_indexof(tc, b); |
aoqi@0 | 206 | |
aoqi@0 | 207 | // search non matching constant substring (4 chars). |
aoqi@0 | 208 | b = " 1111111111111xx1111111111111xx1z"; |
aoqi@0 | 209 | tc = new TestCon4(); |
aoqi@0 | 210 | test_conmis_indexof(tc, b); |
aoqi@0 | 211 | |
aoqi@0 | 212 | // search non matching constant substring (3 chars). |
aoqi@0 | 213 | b = " 1111111111111xx1111111111111xx1z"; |
aoqi@0 | 214 | tc = new TestCon3(); |
aoqi@0 | 215 | test_conmis_indexof(tc, b); |
aoqi@0 | 216 | |
aoqi@0 | 217 | // search non matching constant substring (2 chars). |
aoqi@0 | 218 | b = " 1111111111111xx1111111111111xx1z"; |
aoqi@0 | 219 | tc = new TestCon2(); |
aoqi@0 | 220 | test_conmis_indexof(tc, b); |
aoqi@0 | 221 | |
aoqi@0 | 222 | // search non matching constant substring (1 chars). |
aoqi@0 | 223 | b = " 1111111111111xx1111111111111xx1z"; |
aoqi@0 | 224 | tc = new TestCon1(); |
aoqi@0 | 225 | test_conmis_indexof(tc, b); |
aoqi@0 | 226 | |
aoqi@0 | 227 | long end_total = System.currentTimeMillis(); |
aoqi@0 | 228 | System.out.println("End run time: " + (end_total - start_total)); |
aoqi@0 | 229 | |
aoqi@0 | 230 | } |
aoqi@0 | 231 | |
aoqi@0 | 232 | public static long test_init(String a, String b) { |
aoqi@0 | 233 | for (int i = 0; i < 512; i++) { |
aoqi@0 | 234 | strings[i * 2] = new String(b.toCharArray()); |
aoqi@0 | 235 | strings[i * 2 + 1] = new String(a.toCharArray()); |
aoqi@0 | 236 | } |
aoqi@0 | 237 | System.out.print(a.length() + " " + b.length() + " "); |
aoqi@0 | 238 | return System.currentTimeMillis(); |
aoqi@0 | 239 | } |
aoqi@0 | 240 | |
aoqi@0 | 241 | public static void test_end(String a, String b, int v, int expected, long start) { |
aoqi@0 | 242 | long end = System.currentTimeMillis(); |
aoqi@0 | 243 | int res = (v/ITERATIONS); |
aoqi@0 | 244 | System.out.print(" " + res); |
aoqi@0 | 245 | System.out.println(" time:" + (end - start)); |
aoqi@0 | 246 | if (res != expected) { |
aoqi@0 | 247 | System.out.println("wrong indexOf result: " + res + ", expected " + expected); |
aoqi@0 | 248 | System.out.println("\"" + b + "\".indexOf(\"" + a + "\")"); |
aoqi@0 | 249 | System.exit(97); |
aoqi@0 | 250 | } |
aoqi@0 | 251 | } |
aoqi@0 | 252 | |
aoqi@0 | 253 | public static int test_subvar() { |
aoqi@0 | 254 | int s = 0; |
aoqi@0 | 255 | int v = 0; |
aoqi@0 | 256 | for (int i = 0; i < ITERATIONS; i++) { |
aoqi@0 | 257 | v += strings[s].indexOf(strings[s + 1]); |
aoqi@0 | 258 | s += 2; |
aoqi@0 | 259 | if (s >= strings.length) s = 0; |
aoqi@0 | 260 | } |
aoqi@0 | 261 | return v; |
aoqi@0 | 262 | } |
aoqi@0 | 263 | |
aoqi@0 | 264 | public static void test_varsub_indexof(String a, String b) { |
aoqi@0 | 265 | System.out.println("Start search variable size substring in string (" + b.length() + " chars)"); |
aoqi@0 | 266 | long start_it = System.currentTimeMillis(); |
aoqi@0 | 267 | int limit = 1; // last a.length() == 1 |
aoqi@0 | 268 | while (a.length() > limit) { |
aoqi@0 | 269 | a = a.substring(1); |
aoqi@0 | 270 | long start = test_init(a, b); |
aoqi@0 | 271 | int v = test_subvar(); |
aoqi@0 | 272 | test_end(a, b, v, (b.length() - a.length()), start); |
aoqi@0 | 273 | } |
aoqi@0 | 274 | long end_it = System.currentTimeMillis(); |
aoqi@0 | 275 | System.out.println("End search variable size substring in string (" + b.length() + " chars), time: " + (end_it - start_it)); |
aoqi@0 | 276 | } |
aoqi@0 | 277 | |
aoqi@0 | 278 | public static void test_varstr_indexof(String a, String b) { |
aoqi@0 | 279 | System.out.println("Start search substring (" + a.length() + " chars) in variable size string"); |
aoqi@0 | 280 | long start_it = System.currentTimeMillis(); |
aoqi@0 | 281 | int limit = a.length(); |
aoqi@0 | 282 | while (b.length() > limit) { |
aoqi@0 | 283 | b = b.substring(1); |
aoqi@0 | 284 | long start = test_init(a, b); |
aoqi@0 | 285 | int v = test_subvar(); |
aoqi@0 | 286 | test_end(a, b, v, (b.length() - a.length()), start); |
aoqi@0 | 287 | } |
aoqi@0 | 288 | long end_it = System.currentTimeMillis(); |
aoqi@0 | 289 | System.out.println("End search substring (" + a.length() + " chars) in variable size string, time: " + (end_it - start_it)); |
aoqi@0 | 290 | } |
aoqi@0 | 291 | |
aoqi@0 | 292 | public static void test_missub_indexof(String a, String b) { |
aoqi@0 | 293 | System.out.println("Start search non matching variable size substring in string (" + b.length() + " chars)"); |
aoqi@0 | 294 | long start_it = System.currentTimeMillis(); |
aoqi@0 | 295 | int limit = 1; // last a.length() == 1 |
aoqi@0 | 296 | while (a.length() > limit) { |
aoqi@0 | 297 | a = a.substring(1); |
aoqi@0 | 298 | long start = test_init(a, b); |
aoqi@0 | 299 | int v = test_subvar(); |
aoqi@0 | 300 | test_end(a, b, v, (-1), start); |
aoqi@0 | 301 | } |
aoqi@0 | 302 | long end_it = System.currentTimeMillis(); |
aoqi@0 | 303 | System.out.println("End search non matching variable size substring in string (" + b.length() + " chars), time: " + (end_it - start_it)); |
aoqi@0 | 304 | } |
aoqi@0 | 305 | |
aoqi@0 | 306 | |
aoqi@0 | 307 | |
aoqi@0 | 308 | public static void test_consub_indexof(TestCon tc, String b) { |
aoqi@0 | 309 | System.out.println("Start search constant substring (" + tc.constr().length() + " chars)"); |
aoqi@0 | 310 | long start_it = System.currentTimeMillis(); |
aoqi@0 | 311 | int limit = tc.constr().length(); |
aoqi@0 | 312 | while (b.length() > limit) { |
aoqi@0 | 313 | b = b.substring(1); |
aoqi@0 | 314 | long start = test_init(tc.constr(), b); |
aoqi@0 | 315 | int v = test_subcon(tc); |
aoqi@0 | 316 | test_end(tc.constr(), b, v, (b.length() - tc.constr().length()), start); |
aoqi@0 | 317 | } |
aoqi@0 | 318 | long end_it = System.currentTimeMillis(); |
aoqi@0 | 319 | System.out.println("End search constant substring (" + tc.constr().length() + " chars), time: " + (end_it - start_it)); |
aoqi@0 | 320 | } |
aoqi@0 | 321 | |
aoqi@0 | 322 | public static void test_conmis_indexof(TestCon tc, String b) { |
aoqi@0 | 323 | System.out.println("Start search non matching constant substring (" + tc.constr().length() + " chars)"); |
aoqi@0 | 324 | long start_it = System.currentTimeMillis(); |
aoqi@0 | 325 | int limit = tc.constr().length(); |
aoqi@0 | 326 | while (b.length() > limit) { |
aoqi@0 | 327 | b = b.substring(1); |
aoqi@0 | 328 | long start = test_init(tc.constr(), b); |
aoqi@0 | 329 | int v = test_subcon(tc); |
aoqi@0 | 330 | test_end(tc.constr(), b, v, (-1), start); |
aoqi@0 | 331 | } |
aoqi@0 | 332 | long end_it = System.currentTimeMillis(); |
aoqi@0 | 333 | System.out.println("End search non matching constant substring (" + tc.constr().length() + " chars), time: " + (end_it - start_it)); |
aoqi@0 | 334 | } |
aoqi@0 | 335 | |
aoqi@0 | 336 | public static int test_subcon(TestCon tc) { |
aoqi@0 | 337 | int s = 0; |
aoqi@0 | 338 | int v = 0; |
aoqi@0 | 339 | for (int i = 0; i < ITERATIONS; i++) { |
aoqi@0 | 340 | v += tc.indexOf(strings[s]); |
aoqi@0 | 341 | s += 2; |
aoqi@0 | 342 | if (s >= strings.length) s = 0; |
aoqi@0 | 343 | } |
aoqi@0 | 344 | return v; |
aoqi@0 | 345 | } |
aoqi@0 | 346 | |
aoqi@0 | 347 | private interface TestCon { |
aoqi@0 | 348 | public String constr(); |
aoqi@0 | 349 | public int indexOf(String str); |
aoqi@0 | 350 | } |
aoqi@0 | 351 | |
aoqi@0 | 352 | // search constant substring (17 chars). |
aoqi@0 | 353 | private final static class TestCon17 implements TestCon { |
aoqi@0 | 354 | private static final String constr = "1111111111111xx1x"; |
aoqi@0 | 355 | public String constr() { return constr; } |
aoqi@0 | 356 | public int indexOf(String str) { return str.indexOf(constr); } |
aoqi@0 | 357 | } |
aoqi@0 | 358 | |
aoqi@0 | 359 | // search constant substring (16 chars). |
aoqi@0 | 360 | private final static class TestCon16 implements TestCon { |
aoqi@0 | 361 | private static final String constr = "111111111111xx1x"; |
aoqi@0 | 362 | public String constr() { return constr; } |
aoqi@0 | 363 | public int indexOf(String str) { return str.indexOf(constr); } |
aoqi@0 | 364 | } |
aoqi@0 | 365 | |
aoqi@0 | 366 | // search constant substring (9 chars). |
aoqi@0 | 367 | private final static class TestCon9 implements TestCon { |
aoqi@0 | 368 | private static final String constr = "11111xx1x"; |
aoqi@0 | 369 | public String constr() { return constr; } |
aoqi@0 | 370 | public int indexOf(String str) { return str.indexOf(constr); } |
aoqi@0 | 371 | } |
aoqi@0 | 372 | |
aoqi@0 | 373 | // search constant substring (8 chars). |
aoqi@0 | 374 | private final static class TestCon8 implements TestCon { |
aoqi@0 | 375 | private static final String constr = "1111xx1x"; |
aoqi@0 | 376 | public String constr() { return constr; } |
aoqi@0 | 377 | public int indexOf(String str) { return str.indexOf(constr); } |
aoqi@0 | 378 | } |
aoqi@0 | 379 | |
aoqi@0 | 380 | // search constant substring (4 chars). |
aoqi@0 | 381 | private final static class TestCon4 implements TestCon { |
aoqi@0 | 382 | private static final String constr = "xx1x"; |
aoqi@0 | 383 | public String constr() { return constr; } |
aoqi@0 | 384 | public int indexOf(String str) { return str.indexOf(constr); } |
aoqi@0 | 385 | } |
aoqi@0 | 386 | |
aoqi@0 | 387 | // search constant substring (3 chars). |
aoqi@0 | 388 | private final static class TestCon3 implements TestCon { |
aoqi@0 | 389 | private static final String constr = "x1x"; |
aoqi@0 | 390 | public String constr() { return constr; } |
aoqi@0 | 391 | public int indexOf(String str) { return str.indexOf(constr); } |
aoqi@0 | 392 | } |
aoqi@0 | 393 | |
aoqi@0 | 394 | // search constant substring (2 chars). |
aoqi@0 | 395 | private final static class TestCon2 implements TestCon { |
aoqi@0 | 396 | private static final String constr = "1y"; |
aoqi@0 | 397 | public String constr() { return constr; } |
aoqi@0 | 398 | public int indexOf(String str) { return str.indexOf(constr); } |
aoqi@0 | 399 | } |
aoqi@0 | 400 | |
aoqi@0 | 401 | |
aoqi@0 | 402 | // search constant substring (1 chars). |
aoqi@0 | 403 | private final static class TestCon1 implements TestCon { |
aoqi@0 | 404 | private static final String constr = "y"; |
aoqi@0 | 405 | public String constr() { return constr; } |
aoqi@0 | 406 | public int indexOf(String str) { return str.indexOf(constr); } |
aoqi@0 | 407 | } |
aoqi@0 | 408 | } |
aoqi@0 | 409 |