Aart Bik | d141f45 | 2015-07-16 17:40:44 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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 | // |
| 18 | // Test on (in)variant static and instance field and array references in loops. |
| 19 | // |
| 20 | public class Main { |
| 21 | |
| 22 | private static Object anObject = new Object(); |
| 23 | private static Object anotherObject = new Object(); |
| 24 | |
| 25 | // |
| 26 | // Static fields. |
| 27 | // |
| 28 | |
| 29 | private static boolean sZ; |
| 30 | private static byte sB; |
| 31 | private static char sC; |
| 32 | private static short sS; |
| 33 | private static int sI; |
| 34 | private static long sJ; |
| 35 | private static float sF; |
| 36 | private static double sD; |
| 37 | private static Object sL; |
| 38 | |
| 39 | // |
| 40 | // Static arrays. |
| 41 | // |
| 42 | |
| 43 | private static boolean[] sArrZ; |
| 44 | private static byte[] sArrB; |
| 45 | private static char[] sArrC; |
| 46 | private static short[] sArrS; |
| 47 | private static int[] sArrI; |
| 48 | private static long[] sArrJ; |
| 49 | private static float[] sArrF; |
| 50 | private static double[] sArrD; |
| 51 | private static Object[] sArrL; |
| 52 | |
| 53 | // |
| 54 | // Instance fields. |
| 55 | // |
| 56 | |
| 57 | private boolean mZ; |
| 58 | private byte mB; |
| 59 | private char mC; |
| 60 | private short mS; |
| 61 | private int mI; |
| 62 | private long mJ; |
| 63 | private float mF; |
| 64 | private double mD; |
| 65 | private Object mL; |
| 66 | |
| 67 | // |
| 68 | // Instance arrays. |
| 69 | // |
| 70 | |
| 71 | private boolean[] mArrZ; |
| 72 | private byte[] mArrB; |
| 73 | private char[] mArrC; |
| 74 | private short[] mArrS; |
| 75 | private int[] mArrI; |
| 76 | private long[] mArrJ; |
| 77 | private float[] mArrF; |
| 78 | private double[] mArrD; |
| 79 | private Object[] mArrL; |
| 80 | |
| 81 | // |
| 82 | // Loops on static arrays with invariant static field references. |
| 83 | // |
| 84 | |
| 85 | private static void SInvLoopZ() { |
| 86 | for (int i = 0; i < sArrZ.length; i++) { |
| 87 | sArrZ[i] = sZ; |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | private static void SInvLoopB() { |
| 92 | for (int i = 0; i < sArrB.length; i++) { |
| 93 | sArrB[i] = sB; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | private static void SInvLoopC() { |
| 98 | for (int i = 0; i < sArrC.length; i++) { |
| 99 | sArrC[i] = sC; |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | private static void SInvLoopS() { |
| 104 | for (int i = 0; i < sArrS.length; i++) { |
| 105 | sArrS[i] = sS; |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | private static void SInvLoopI() { |
| 110 | for (int i = 0; i < sArrI.length; i++) { |
| 111 | sArrI[i] = sI; |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | private static void SInvLoopJ() { |
| 116 | for (int i = 0; i < sArrJ.length; i++) { |
| 117 | sArrJ[i] = sJ; |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | private static void SInvLoopF() { |
| 122 | for (int i = 0; i < sArrF.length; i++) { |
| 123 | sArrF[i] = sF; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | private static void SInvLoopD() { |
| 128 | for (int i = 0; i < sArrD.length; i++) { |
| 129 | sArrD[i] = sD; |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | private static void SInvLoopL() { |
| 134 | for (int i = 0; i < sArrL.length; i++) { |
| 135 | sArrL[i] = sL; |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | // |
| 140 | // Loops on static arrays with variant static field references. |
| 141 | // |
| 142 | |
| 143 | private static void SVarLoopZ() { |
| 144 | for (int i = 0; i < sArrZ.length; i++) { |
| 145 | sArrZ[i] = sZ; |
| 146 | if (i == 10) |
| 147 | sZ = !sZ; |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | private static void SVarLoopB() { |
| 152 | for (int i = 0; i < sArrB.length; i++) { |
| 153 | sArrB[i] = sB; |
| 154 | if (i == 10) |
| 155 | sB++; |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | private static void SVarLoopC() { |
| 160 | for (int i = 0; i < sArrC.length; i++) { |
| 161 | sArrC[i] = sC; |
| 162 | if (i == 10) |
| 163 | sC++; |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | private static void SVarLoopS() { |
| 168 | for (int i = 0; i < sArrS.length; i++) { |
| 169 | sArrS[i] = sS; |
| 170 | if (i == 10) |
| 171 | sS++; |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | private static void SVarLoopI() { |
| 176 | for (int i = 0; i < sArrI.length; i++) { |
| 177 | sArrI[i] = sI; |
| 178 | if (i == 10) |
| 179 | sI++; |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | private static void SVarLoopJ() { |
| 184 | for (int i = 0; i < sArrJ.length; i++) { |
| 185 | sArrJ[i] = sJ; |
| 186 | if (i == 10) |
| 187 | sJ++; |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | private static void SVarLoopF() { |
| 192 | for (int i = 0; i < sArrF.length; i++) { |
| 193 | sArrF[i] = sF; |
| 194 | if (i == 10) |
| 195 | sF++; |
| 196 | } |
| 197 | } |
| 198 | |
| 199 | private static void SVarLoopD() { |
| 200 | for (int i = 0; i < sArrD.length; i++) { |
| 201 | sArrD[i] = sD; |
| 202 | if (i == 10) |
| 203 | sD++; |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | private static void SVarLoopL() { |
| 208 | for (int i = 0; i < sArrL.length; i++) { |
| 209 | sArrL[i] = sL; |
| 210 | if (i == 10) |
| 211 | sL = anotherObject; |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | // |
| 216 | // Loops on instance arrays with invariant instance field references. |
| 217 | // |
| 218 | |
| 219 | private void InvLoopZ() { |
| 220 | for (int i = 0; i < mArrZ.length; i++) { |
| 221 | mArrZ[i] = mZ; |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | private void InvLoopB() { |
| 226 | for (int i = 0; i < mArrB.length; i++) { |
| 227 | mArrB[i] = mB; |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | private void InvLoopC() { |
| 232 | for (int i = 0; i < mArrC.length; i++) { |
| 233 | mArrC[i] = mC; |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | private void InvLoopS() { |
| 238 | for (int i = 0; i < mArrS.length; i++) { |
| 239 | mArrS[i] = mS; |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | private void InvLoopI() { |
| 244 | for (int i = 0; i < mArrI.length; i++) { |
| 245 | mArrI[i] = mI; |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | private void InvLoopJ() { |
| 250 | for (int i = 0; i < mArrJ.length; i++) { |
| 251 | mArrJ[i] = mJ; |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | private void InvLoopF() { |
| 256 | for (int i = 0; i < mArrF.length; i++) { |
| 257 | mArrF[i] = mF; |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | private void InvLoopD() { |
| 262 | for (int i = 0; i < mArrD.length; i++) { |
| 263 | mArrD[i] = mD; |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | private void InvLoopL() { |
| 268 | for (int i = 0; i < mArrL.length; i++) { |
| 269 | mArrL[i] = mL; |
| 270 | } |
| 271 | } |
| 272 | |
| 273 | // |
| 274 | // Loops on instance arrays with variant instance field references. |
| 275 | // |
| 276 | |
| 277 | private void VarLoopZ() { |
| 278 | for (int i = 0; i < mArrZ.length; i++) { |
| 279 | mArrZ[i] = mZ; |
| 280 | if (i == 10) |
| 281 | mZ = !mZ; |
| 282 | } |
| 283 | } |
| 284 | |
| 285 | private void VarLoopB() { |
| 286 | for (int i = 0; i < mArrB.length; i++) { |
| 287 | mArrB[i] = mB; |
| 288 | if (i == 10) |
| 289 | mB++; |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | private void VarLoopC() { |
| 294 | for (int i = 0; i < mArrC.length; i++) { |
| 295 | mArrC[i] = mC; |
| 296 | if (i == 10) |
| 297 | mC++; |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | private void VarLoopS() { |
| 302 | for (int i = 0; i < mArrS.length; i++) { |
| 303 | mArrS[i] = mS; |
| 304 | if (i == 10) |
| 305 | mS++; |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | private void VarLoopI() { |
| 310 | for (int i = 0; i < mArrI.length; i++) { |
| 311 | mArrI[i] = mI; |
| 312 | if (i == 10) |
| 313 | mI++; |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | private void VarLoopJ() { |
| 318 | for (int i = 0; i < mArrJ.length; i++) { |
| 319 | mArrJ[i] = mJ; |
| 320 | if (i == 10) |
| 321 | mJ++; |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | private void VarLoopF() { |
| 326 | for (int i = 0; i < mArrF.length; i++) { |
| 327 | mArrF[i] = mF; |
| 328 | if (i == 10) |
| 329 | mF++; |
| 330 | } |
| 331 | } |
| 332 | |
| 333 | private void VarLoopD() { |
| 334 | for (int i = 0; i < mArrD.length; i++) { |
| 335 | mArrD[i] = mD; |
| 336 | if (i == 10) |
| 337 | mD++; |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | private void VarLoopL() { |
| 342 | for (int i = 0; i < mArrL.length; i++) { |
| 343 | mArrL[i] = mL; |
| 344 | if (i == 10) |
| 345 | mL = anotherObject; |
| 346 | } |
| 347 | } |
| 348 | // |
| 349 | // Driver and testers. |
| 350 | // |
| 351 | |
| 352 | public static void main(String[] args) { |
| 353 | DoStaticTests(); |
| 354 | new Main().DoInstanceTests(); |
| 355 | } |
| 356 | |
| 357 | private static void DoStaticTests() { |
| 358 | // Type Z. |
| 359 | sZ = true; |
| 360 | sArrZ = new boolean[100]; |
| 361 | SInvLoopZ(); |
| 362 | for (int i = 0; i < sArrZ.length; i++) { |
| 363 | expectEquals(true, sArrZ[i]); |
| 364 | } |
| 365 | SVarLoopZ(); |
| 366 | for (int i = 0; i < sArrZ.length; i++) { |
| 367 | expectEquals(i <= 10, sArrZ[i]); |
| 368 | } |
| 369 | // Type B. |
| 370 | sB = 1; |
| 371 | sArrB = new byte[100]; |
| 372 | SInvLoopB(); |
| 373 | for (int i = 0; i < sArrB.length; i++) { |
| 374 | expectEquals(1, sArrB[i]); |
| 375 | } |
| 376 | SVarLoopB(); |
| 377 | for (int i = 0; i < sArrB.length; i++) { |
| 378 | expectEquals(i <= 10 ? 1 : 2, sArrB[i]); |
| 379 | } |
| 380 | // Type C. |
| 381 | sC = 2; |
| 382 | sArrC = new char[100]; |
| 383 | SInvLoopC(); |
| 384 | for (int i = 0; i < sArrC.length; i++) { |
| 385 | expectEquals(2, sArrC[i]); |
| 386 | } |
| 387 | SVarLoopC(); |
| 388 | for (int i = 0; i < sArrC.length; i++) { |
| 389 | expectEquals(i <= 10 ? 2 : 3, sArrC[i]); |
| 390 | } |
| 391 | // Type S. |
| 392 | sS = 3; |
| 393 | sArrS = new short[100]; |
| 394 | SInvLoopS(); |
| 395 | for (int i = 0; i < sArrS.length; i++) { |
| 396 | expectEquals(3, sArrS[i]); |
| 397 | } |
| 398 | SVarLoopS(); |
| 399 | for (int i = 0; i < sArrS.length; i++) { |
| 400 | expectEquals(i <= 10 ? 3 : 4, sArrS[i]); |
| 401 | } |
| 402 | // Type I. |
| 403 | sI = 4; |
| 404 | sArrI = new int[100]; |
| 405 | SInvLoopI(); |
| 406 | for (int i = 0; i < sArrI.length; i++) { |
| 407 | expectEquals(4, sArrI[i]); |
| 408 | } |
| 409 | SVarLoopI(); |
| 410 | for (int i = 0; i < sArrI.length; i++) { |
| 411 | expectEquals(i <= 10 ? 4 : 5, sArrI[i]); |
| 412 | } |
| 413 | // Type J. |
| 414 | sJ = 5; |
| 415 | sArrJ = new long[100]; |
| 416 | SInvLoopJ(); |
| 417 | for (int i = 0; i < sArrJ.length; i++) { |
| 418 | expectEquals(5, sArrJ[i]); |
| 419 | } |
| 420 | SVarLoopJ(); |
| 421 | for (int i = 0; i < sArrJ.length; i++) { |
| 422 | expectEquals(i <= 10 ? 5 : 6, sArrJ[i]); |
| 423 | } |
| 424 | // Type F. |
| 425 | sF = 6.0f; |
| 426 | sArrF = new float[100]; |
| 427 | SInvLoopF(); |
| 428 | for (int i = 0; i < sArrF.length; i++) { |
| 429 | expectEquals(6, sArrF[i]); |
| 430 | } |
| 431 | SVarLoopF(); |
| 432 | for (int i = 0; i < sArrF.length; i++) { |
| 433 | expectEquals(i <= 10 ? 6 : 7, sArrF[i]); |
| 434 | } |
| 435 | // Type D. |
| 436 | sD = 7.0; |
| 437 | sArrD = new double[100]; |
| 438 | SInvLoopD(); |
| 439 | for (int i = 0; i < sArrD.length; i++) { |
| 440 | expectEquals(7.0, sArrD[i]); |
| 441 | } |
| 442 | SVarLoopD(); |
| 443 | for (int i = 0; i < sArrD.length; i++) { |
| 444 | expectEquals(i <= 10 ? 7 : 8, sArrD[i]); |
| 445 | } |
| 446 | // Type L. |
| 447 | sL = anObject; |
| 448 | sArrL = new Object[100]; |
| 449 | SInvLoopL(); |
| 450 | for (int i = 0; i < sArrL.length; i++) { |
| 451 | expectEquals(anObject, sArrL[i]); |
| 452 | } |
| 453 | SVarLoopL(); |
| 454 | for (int i = 0; i < sArrL.length; i++) { |
| 455 | expectEquals(i <= 10 ? anObject : anotherObject, sArrL[i]); |
| 456 | } |
| 457 | } |
| 458 | |
| 459 | private void DoInstanceTests() { |
| 460 | // Type Z. |
| 461 | mZ = true; |
| 462 | mArrZ = new boolean[100]; |
| 463 | InvLoopZ(); |
| 464 | for (int i = 0; i < mArrZ.length; i++) { |
| 465 | expectEquals(true, mArrZ[i]); |
| 466 | } |
| 467 | VarLoopZ(); |
| 468 | for (int i = 0; i < mArrZ.length; i++) { |
| 469 | expectEquals(i <= 10, mArrZ[i]); |
| 470 | } |
| 471 | // Type B. |
| 472 | mB = 1; |
| 473 | mArrB = new byte[100]; |
| 474 | InvLoopB(); |
| 475 | for (int i = 0; i < mArrB.length; i++) { |
| 476 | expectEquals(1, mArrB[i]); |
| 477 | } |
| 478 | VarLoopB(); |
| 479 | for (int i = 0; i < mArrB.length; i++) { |
| 480 | expectEquals(i <= 10 ? 1 : 2, mArrB[i]); |
| 481 | } |
| 482 | // Type C. |
| 483 | mC = 2; |
| 484 | mArrC = new char[100]; |
| 485 | InvLoopC(); |
| 486 | for (int i = 0; i < mArrC.length; i++) { |
| 487 | expectEquals(2, mArrC[i]); |
| 488 | } |
| 489 | VarLoopC(); |
| 490 | for (int i = 0; i < mArrC.length; i++) { |
| 491 | expectEquals(i <= 10 ? 2 : 3, mArrC[i]); |
| 492 | } |
| 493 | // Type S. |
| 494 | mS = 3; |
| 495 | mArrS = new short[100]; |
| 496 | InvLoopS(); |
| 497 | for (int i = 0; i < mArrS.length; i++) { |
| 498 | expectEquals(3, mArrS[i]); |
| 499 | } |
| 500 | VarLoopS(); |
| 501 | for (int i = 0; i < mArrS.length; i++) { |
| 502 | expectEquals(i <= 10 ? 3 : 4, mArrS[i]); |
| 503 | } |
| 504 | // Type I. |
| 505 | mI = 4; |
| 506 | mArrI = new int[100]; |
| 507 | InvLoopI(); |
| 508 | for (int i = 0; i < mArrI.length; i++) { |
| 509 | expectEquals(4, mArrI[i]); |
| 510 | } |
| 511 | VarLoopI(); |
| 512 | for (int i = 0; i < mArrI.length; i++) { |
| 513 | expectEquals(i <= 10 ? 4 : 5, mArrI[i]); |
| 514 | } |
| 515 | // Type J. |
| 516 | mJ = 5; |
| 517 | mArrJ = new long[100]; |
| 518 | InvLoopJ(); |
| 519 | for (int i = 0; i < mArrJ.length; i++) { |
| 520 | expectEquals(5, mArrJ[i]); |
| 521 | } |
| 522 | VarLoopJ(); |
| 523 | for (int i = 0; i < mArrJ.length; i++) { |
| 524 | expectEquals(i <= 10 ? 5 : 6, mArrJ[i]); |
| 525 | } |
| 526 | // Type F. |
| 527 | mF = 6.0f; |
| 528 | mArrF = new float[100]; |
| 529 | InvLoopF(); |
| 530 | for (int i = 0; i < mArrF.length; i++) { |
| 531 | expectEquals(6, mArrF[i]); |
| 532 | } |
| 533 | VarLoopF(); |
| 534 | for (int i = 0; i < mArrF.length; i++) { |
| 535 | expectEquals(i <= 10 ? 6 : 7, mArrF[i]); |
| 536 | } |
| 537 | // Type D. |
| 538 | mD = 7.0; |
| 539 | mArrD = new double[100]; |
| 540 | InvLoopD(); |
| 541 | for (int i = 0; i < mArrD.length; i++) { |
| 542 | expectEquals(7.0, mArrD[i]); |
| 543 | } |
| 544 | VarLoopD(); |
| 545 | for (int i = 0; i < mArrD.length; i++) { |
| 546 | expectEquals(i <= 10 ? 7 : 8, mArrD[i]); |
| 547 | } |
| 548 | // Type L. |
| 549 | mL = anObject; |
| 550 | mArrL = new Object[100]; |
| 551 | InvLoopL(); |
| 552 | for (int i = 0; i < mArrL.length; i++) { |
| 553 | expectEquals(anObject, mArrL[i]); |
| 554 | } |
| 555 | VarLoopL(); |
| 556 | for (int i = 0; i < mArrL.length; i++) { |
| 557 | expectEquals(i <= 10 ? anObject : anotherObject, mArrL[i]); |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | private static void expectEquals(boolean expected, boolean result) { |
| 562 | if (expected != result) { |
| 563 | throw new Error("Expected: " + expected + ", found: " + result); |
| 564 | } |
| 565 | } |
| 566 | |
| 567 | private static void expectEquals(byte expected, byte result) { |
| 568 | if (expected != result) { |
| 569 | throw new Error("Expected: " + expected + ", found: " + result); |
| 570 | } |
| 571 | } |
| 572 | |
| 573 | private static void expectEquals(char expected, char result) { |
| 574 | if (expected != result) { |
| 575 | throw new Error("Expected: " + expected + ", found: " + result); |
| 576 | } |
| 577 | } |
| 578 | |
| 579 | private static void expectEquals(short expected, short result) { |
| 580 | if (expected != result) { |
| 581 | throw new Error("Expected: " + expected + ", found: " + result); |
| 582 | } |
| 583 | } |
| 584 | |
| 585 | private static void expectEquals(int expected, int result) { |
| 586 | if (expected != result) { |
| 587 | throw new Error("Expected: " + expected + ", found: " + result); |
| 588 | } |
| 589 | } |
| 590 | |
| 591 | private static void expectEquals(long expected, long result) { |
| 592 | if (expected != result) { |
| 593 | throw new Error("Expected: " + expected + ", found: " + result); |
| 594 | } |
| 595 | } |
| 596 | |
| 597 | private static void expectEquals(float expected, float result) { |
| 598 | if (expected != result) { |
| 599 | throw new Error("Expected: " + expected + ", found: " + result); |
| 600 | } |
| 601 | } |
| 602 | |
| 603 | private static void expectEquals(double expected, double result) { |
| 604 | if (expected != result) { |
| 605 | throw new Error("Expected: " + expected + ", found: " + result); |
| 606 | } |
| 607 | } |
| 608 | |
| 609 | private static void expectEquals(Object expected, Object result) { |
| 610 | if (expected != result) { |
| 611 | throw new Error("Expected: " + expected + ", found: " + result); |
| 612 | } |
| 613 | } |
| 614 | } |