| 1 | #!./perl |
| 2 | |
| 3 | # We have the following types of loop: |
| 4 | # |
| 5 | # 1a) while(A) {B} |
| 6 | # 1b) B while A; |
| 7 | # |
| 8 | # 2a) until(A) {B} |
| 9 | # 2b) B until A; |
| 10 | # |
| 11 | # 3a) for(@A) {B} |
| 12 | # 3b) B for A; |
| 13 | # |
| 14 | # 4a) for (A;B;C) {D} |
| 15 | # |
| 16 | # 5a) { A } # a bare block is a loop which runs once |
| 17 | # |
| 18 | # Loops of type (b) don't allow for next/last/redo style |
| 19 | # control, so we ignore them here. Type (a) loops can |
| 20 | # all be labelled, so there are ten possibilities (each |
| 21 | # of 5 types, labelled/unlabelled). We therefore need |
| 22 | # thirty tests to try the three control statements against |
| 23 | # the ten types of loop. For the first four types it's useful |
| 24 | # to distinguish the case where next re-iterates from the case |
| 25 | # where it leaves the loop. That makes 38. |
| 26 | # All these tests rely on "last LABEL" |
| 27 | # so if they've *all* failed, maybe you broke that... |
| 28 | # |
| 29 | # These tests are followed by an extra test of nested loops. |
| 30 | # Feel free to add more here. |
| 31 | # |
| 32 | # -- .robin. <robin@kitsite.com> 2001-03-13 |
| 33 | |
| 34 | print "1..41\n"; |
| 35 | |
| 36 | my $ok; |
| 37 | |
| 38 | ## while() loop without a label |
| 39 | |
| 40 | TEST1: { # redo |
| 41 | |
| 42 | $ok = 0; |
| 43 | |
| 44 | my $x = 1; |
| 45 | my $first_time = 1; |
| 46 | while($x--) { |
| 47 | if (!$first_time) { |
| 48 | $ok = 1; |
| 49 | last TEST1; |
| 50 | } |
| 51 | $ok = 0; |
| 52 | $first_time = 0; |
| 53 | redo; |
| 54 | last TEST1; |
| 55 | } |
| 56 | continue { |
| 57 | $ok = 0; |
| 58 | last TEST1; |
| 59 | } |
| 60 | $ok = 0; |
| 61 | } |
| 62 | print ($ok ? "ok 1\n" : "not ok 1\n"); |
| 63 | |
| 64 | TEST2: { # next (succesful) |
| 65 | |
| 66 | $ok = 0; |
| 67 | |
| 68 | my $x = 2; |
| 69 | my $first_time = 1; |
| 70 | my $been_in_continue = 0; |
| 71 | while($x--) { |
| 72 | if (!$first_time) { |
| 73 | $ok = $been_in_continue; |
| 74 | last TEST2; |
| 75 | } |
| 76 | $ok = 0; |
| 77 | $first_time = 0; |
| 78 | next; |
| 79 | last TEST2; |
| 80 | } |
| 81 | continue { |
| 82 | $been_in_continue = 1; |
| 83 | } |
| 84 | $ok = 0; |
| 85 | } |
| 86 | print ($ok ? "ok 2\n" : "not ok 2\n"); |
| 87 | |
| 88 | TEST3: { # next (unsuccesful) |
| 89 | |
| 90 | $ok = 0; |
| 91 | |
| 92 | my $x = 1; |
| 93 | my $first_time = 1; |
| 94 | my $been_in_loop = 0; |
| 95 | my $been_in_continue = 0; |
| 96 | while($x--) { |
| 97 | $been_in_loop = 1; |
| 98 | if (!$first_time) { |
| 99 | $ok = 0; |
| 100 | last TEST3; |
| 101 | } |
| 102 | $ok = 0; |
| 103 | $first_time = 0; |
| 104 | next; |
| 105 | last TEST3; |
| 106 | } |
| 107 | continue { |
| 108 | $been_in_continue = 1; |
| 109 | } |
| 110 | $ok = $been_in_loop && $been_in_continue; |
| 111 | } |
| 112 | print ($ok ? "ok 3\n" : "not ok 3\n"); |
| 113 | |
| 114 | TEST4: { # last |
| 115 | |
| 116 | $ok = 0; |
| 117 | |
| 118 | my $x = 1; |
| 119 | my $first_time = 1; |
| 120 | while($x++) { |
| 121 | if (!$first_time) { |
| 122 | $ok = 0; |
| 123 | last TEST4; |
| 124 | } |
| 125 | $ok = 0; |
| 126 | $first_time = 0; |
| 127 | last; |
| 128 | last TEST4; |
| 129 | } |
| 130 | continue { |
| 131 | $ok = 0; |
| 132 | last TEST4; |
| 133 | } |
| 134 | $ok = 1; |
| 135 | } |
| 136 | print ($ok ? "ok 4\n" : "not ok 4\n"); |
| 137 | |
| 138 | |
| 139 | ## until() loop without a label |
| 140 | |
| 141 | TEST5: { # redo |
| 142 | |
| 143 | $ok = 0; |
| 144 | |
| 145 | my $x = 0; |
| 146 | my $first_time = 1; |
| 147 | until($x++) { |
| 148 | if (!$first_time) { |
| 149 | $ok = 1; |
| 150 | last TEST5; |
| 151 | } |
| 152 | $ok = 0; |
| 153 | $first_time = 0; |
| 154 | redo; |
| 155 | last TEST5; |
| 156 | } |
| 157 | continue { |
| 158 | $ok = 0; |
| 159 | last TEST5; |
| 160 | } |
| 161 | $ok = 0; |
| 162 | } |
| 163 | print ($ok ? "ok 5\n" : "not ok 5\n"); |
| 164 | |
| 165 | TEST6: { # next (succesful) |
| 166 | |
| 167 | $ok = 0; |
| 168 | |
| 169 | my $x = 0; |
| 170 | my $first_time = 1; |
| 171 | my $been_in_continue = 0; |
| 172 | until($x++ >= 2) { |
| 173 | if (!$first_time) { |
| 174 | $ok = $been_in_continue; |
| 175 | last TEST6; |
| 176 | } |
| 177 | $ok = 0; |
| 178 | $first_time = 0; |
| 179 | next; |
| 180 | last TEST6; |
| 181 | } |
| 182 | continue { |
| 183 | $been_in_continue = 1; |
| 184 | } |
| 185 | $ok = 0; |
| 186 | } |
| 187 | print ($ok ? "ok 6\n" : "not ok 6\n"); |
| 188 | |
| 189 | TEST7: { # next (unsuccesful) |
| 190 | |
| 191 | $ok = 0; |
| 192 | |
| 193 | my $x = 0; |
| 194 | my $first_time = 1; |
| 195 | my $been_in_loop = 0; |
| 196 | my $been_in_continue = 0; |
| 197 | until($x++) { |
| 198 | $been_in_loop = 1; |
| 199 | if (!$first_time) { |
| 200 | $ok = 0; |
| 201 | last TEST7; |
| 202 | } |
| 203 | $ok = 0; |
| 204 | $first_time = 0; |
| 205 | next; |
| 206 | last TEST7; |
| 207 | } |
| 208 | continue { |
| 209 | $been_in_continue = 1; |
| 210 | } |
| 211 | $ok = $been_in_loop && $been_in_continue; |
| 212 | } |
| 213 | print ($ok ? "ok 7\n" : "not ok 7\n"); |
| 214 | |
| 215 | TEST8: { # last |
| 216 | |
| 217 | $ok = 0; |
| 218 | |
| 219 | my $x = 0; |
| 220 | my $first_time = 1; |
| 221 | until($x++ == 10) { |
| 222 | if (!$first_time) { |
| 223 | $ok = 0; |
| 224 | last TEST8; |
| 225 | } |
| 226 | $ok = 0; |
| 227 | $first_time = 0; |
| 228 | last; |
| 229 | last TEST8; |
| 230 | } |
| 231 | continue { |
| 232 | $ok = 0; |
| 233 | last TEST8; |
| 234 | } |
| 235 | $ok = 1; |
| 236 | } |
| 237 | print ($ok ? "ok 8\n" : "not ok 8\n"); |
| 238 | |
| 239 | ## for(@array) loop without a label |
| 240 | |
| 241 | TEST9: { # redo |
| 242 | |
| 243 | $ok = 0; |
| 244 | |
| 245 | my $first_time = 1; |
| 246 | for(1) { |
| 247 | if (!$first_time) { |
| 248 | $ok = 1; |
| 249 | last TEST9; |
| 250 | } |
| 251 | $ok = 0; |
| 252 | $first_time = 0; |
| 253 | redo; |
| 254 | last TEST9; |
| 255 | } |
| 256 | continue { |
| 257 | $ok = 0; |
| 258 | last TEST9; |
| 259 | } |
| 260 | $ok = 0; |
| 261 | } |
| 262 | print ($ok ? "ok 9\n" : "not ok 9\n"); |
| 263 | |
| 264 | TEST10: { # next (succesful) |
| 265 | |
| 266 | $ok = 0; |
| 267 | |
| 268 | my $first_time = 1; |
| 269 | my $been_in_continue = 0; |
| 270 | for(1,2) { |
| 271 | if (!$first_time) { |
| 272 | $ok = $been_in_continue; |
| 273 | last TEST10; |
| 274 | } |
| 275 | $ok = 0; |
| 276 | $first_time = 0; |
| 277 | next; |
| 278 | last TEST10; |
| 279 | } |
| 280 | continue { |
| 281 | $been_in_continue = 1; |
| 282 | } |
| 283 | $ok = 0; |
| 284 | } |
| 285 | print ($ok ? "ok 10\n" : "not ok 10\n"); |
| 286 | |
| 287 | TEST11: { # next (unsuccesful) |
| 288 | |
| 289 | $ok = 0; |
| 290 | |
| 291 | my $first_time = 1; |
| 292 | my $been_in_loop = 0; |
| 293 | my $been_in_continue = 0; |
| 294 | for(1) { |
| 295 | $been_in_loop = 1; |
| 296 | if (!$first_time) { |
| 297 | $ok = 0; |
| 298 | last TEST11; |
| 299 | } |
| 300 | $ok = 0; |
| 301 | $first_time = 0; |
| 302 | next; |
| 303 | last TEST11; |
| 304 | } |
| 305 | continue { |
| 306 | $been_in_continue = 1; |
| 307 | } |
| 308 | $ok = $been_in_loop && $been_in_continue; |
| 309 | } |
| 310 | print ($ok ? "ok 11\n" : "not ok 11\n"); |
| 311 | |
| 312 | TEST12: { # last |
| 313 | |
| 314 | $ok = 0; |
| 315 | |
| 316 | my $first_time = 1; |
| 317 | for(1..10) { |
| 318 | if (!$first_time) { |
| 319 | $ok = 0; |
| 320 | last TEST12; |
| 321 | } |
| 322 | $ok = 0; |
| 323 | $first_time = 0; |
| 324 | last; |
| 325 | last TEST12; |
| 326 | } |
| 327 | continue { |
| 328 | $ok=0; |
| 329 | last TEST12; |
| 330 | } |
| 331 | $ok = 1; |
| 332 | } |
| 333 | print ($ok ? "ok 12\n" : "not ok 12\n"); |
| 334 | |
| 335 | ## for(;;) loop without a label |
| 336 | |
| 337 | TEST13: { # redo |
| 338 | |
| 339 | $ok = 0; |
| 340 | |
| 341 | for(my $first_time = 1; 1;) { |
| 342 | if (!$first_time) { |
| 343 | $ok = 1; |
| 344 | last TEST13; |
| 345 | } |
| 346 | $ok = 0; |
| 347 | $first_time=0; |
| 348 | |
| 349 | redo; |
| 350 | last TEST13; |
| 351 | } |
| 352 | $ok = 0; |
| 353 | } |
| 354 | print ($ok ? "ok 13\n" : "not ok 13\n"); |
| 355 | |
| 356 | TEST14: { # next (successful) |
| 357 | |
| 358 | $ok = 0; |
| 359 | |
| 360 | for(my $first_time = 1; 1; $first_time=0) { |
| 361 | if (!$first_time) { |
| 362 | $ok = 1; |
| 363 | last TEST14; |
| 364 | } |
| 365 | $ok = 0; |
| 366 | next; |
| 367 | last TEST14; |
| 368 | } |
| 369 | $ok = 0; |
| 370 | } |
| 371 | print ($ok ? "ok 14\n" : "not ok 14\n"); |
| 372 | |
| 373 | TEST15: { # next (unsuccesful) |
| 374 | |
| 375 | $ok = 0; |
| 376 | |
| 377 | my $x=1; |
| 378 | my $been_in_loop = 0; |
| 379 | for(my $first_time = 1; $x--;) { |
| 380 | $been_in_loop = 1; |
| 381 | if (!$first_time) { |
| 382 | $ok = 0; |
| 383 | last TEST15; |
| 384 | } |
| 385 | $ok = 0; |
| 386 | $first_time = 0; |
| 387 | next; |
| 388 | last TEST15; |
| 389 | } |
| 390 | $ok = $been_in_loop; |
| 391 | } |
| 392 | print ($ok ? "ok 15\n" : "not ok 15\n"); |
| 393 | |
| 394 | TEST16: { # last |
| 395 | |
| 396 | $ok = 0; |
| 397 | |
| 398 | for(my $first_time = 1; 1; last TEST16) { |
| 399 | if (!$first_time) { |
| 400 | $ok = 0; |
| 401 | last TEST16; |
| 402 | } |
| 403 | $ok = 0; |
| 404 | $first_time = 0; |
| 405 | last; |
| 406 | last TEST16; |
| 407 | } |
| 408 | $ok = 1; |
| 409 | } |
| 410 | print ($ok ? "ok 16\n" : "not ok 16\n"); |
| 411 | |
| 412 | ## bare block without a label |
| 413 | |
| 414 | TEST17: { # redo |
| 415 | |
| 416 | $ok = 0; |
| 417 | my $first_time = 1; |
| 418 | |
| 419 | { |
| 420 | if (!$first_time) { |
| 421 | $ok = 1; |
| 422 | last TEST17; |
| 423 | } |
| 424 | $ok = 0; |
| 425 | $first_time=0; |
| 426 | |
| 427 | redo; |
| 428 | last TEST17; |
| 429 | } |
| 430 | continue { |
| 431 | $ok = 0; |
| 432 | last TEST17; |
| 433 | } |
| 434 | $ok = 0; |
| 435 | } |
| 436 | print ($ok ? "ok 17\n" : "not ok 17\n"); |
| 437 | |
| 438 | TEST18: { # next |
| 439 | |
| 440 | $ok = 0; |
| 441 | { |
| 442 | next; |
| 443 | last TEST18; |
| 444 | } |
| 445 | continue { |
| 446 | $ok = 1; |
| 447 | last TEST18; |
| 448 | } |
| 449 | $ok = 0; |
| 450 | } |
| 451 | print ($ok ? "ok 18\n" : "not ok 18\n"); |
| 452 | |
| 453 | TEST19: { # last |
| 454 | |
| 455 | $ok = 0; |
| 456 | { |
| 457 | last; |
| 458 | last TEST19; |
| 459 | } |
| 460 | continue { |
| 461 | $ok = 0; |
| 462 | last TEST19; |
| 463 | } |
| 464 | $ok = 1; |
| 465 | } |
| 466 | print ($ok ? "ok 19\n" : "not ok 19\n"); |
| 467 | |
| 468 | |
| 469 | ### Now do it all again with labels |
| 470 | |
| 471 | ## while() loop with a label |
| 472 | |
| 473 | TEST20: { # redo |
| 474 | |
| 475 | $ok = 0; |
| 476 | |
| 477 | my $x = 1; |
| 478 | my $first_time = 1; |
| 479 | LABEL20: while($x--) { |
| 480 | if (!$first_time) { |
| 481 | $ok = 1; |
| 482 | last TEST20; |
| 483 | } |
| 484 | $ok = 0; |
| 485 | $first_time = 0; |
| 486 | redo LABEL20; |
| 487 | last TEST20; |
| 488 | } |
| 489 | continue { |
| 490 | $ok = 0; |
| 491 | last TEST20; |
| 492 | } |
| 493 | $ok = 0; |
| 494 | } |
| 495 | print ($ok ? "ok 20\n" : "not ok 20\n"); |
| 496 | |
| 497 | TEST21: { # next (succesful) |
| 498 | |
| 499 | $ok = 0; |
| 500 | |
| 501 | my $x = 2; |
| 502 | my $first_time = 1; |
| 503 | my $been_in_continue = 0; |
| 504 | LABEL21: while($x--) { |
| 505 | if (!$first_time) { |
| 506 | $ok = $been_in_continue; |
| 507 | last TEST21; |
| 508 | } |
| 509 | $ok = 0; |
| 510 | $first_time = 0; |
| 511 | next LABEL21; |
| 512 | last TEST21; |
| 513 | } |
| 514 | continue { |
| 515 | $been_in_continue = 1; |
| 516 | } |
| 517 | $ok = 0; |
| 518 | } |
| 519 | print ($ok ? "ok 21\n" : "not ok 21\n"); |
| 520 | |
| 521 | TEST22: { # next (unsuccesful) |
| 522 | |
| 523 | $ok = 0; |
| 524 | |
| 525 | my $x = 1; |
| 526 | my $first_time = 1; |
| 527 | my $been_in_loop = 0; |
| 528 | my $been_in_continue = 0; |
| 529 | LABEL22: while($x--) { |
| 530 | $been_in_loop = 1; |
| 531 | if (!$first_time) { |
| 532 | $ok = 0; |
| 533 | last TEST22; |
| 534 | } |
| 535 | $ok = 0; |
| 536 | $first_time = 0; |
| 537 | next LABEL22; |
| 538 | last TEST22; |
| 539 | } |
| 540 | continue { |
| 541 | $been_in_continue = 1; |
| 542 | } |
| 543 | $ok = $been_in_loop && $been_in_continue; |
| 544 | } |
| 545 | print ($ok ? "ok 22\n" : "not ok 22\n"); |
| 546 | |
| 547 | TEST23: { # last |
| 548 | |
| 549 | $ok = 0; |
| 550 | |
| 551 | my $x = 1; |
| 552 | my $first_time = 1; |
| 553 | LABEL23: while($x++) { |
| 554 | if (!$first_time) { |
| 555 | $ok = 0; |
| 556 | last TEST23; |
| 557 | } |
| 558 | $ok = 0; |
| 559 | $first_time = 0; |
| 560 | last LABEL23; |
| 561 | last TEST23; |
| 562 | } |
| 563 | continue { |
| 564 | $ok = 0; |
| 565 | last TEST23; |
| 566 | } |
| 567 | $ok = 1; |
| 568 | } |
| 569 | print ($ok ? "ok 23\n" : "not ok 23\n"); |
| 570 | |
| 571 | |
| 572 | ## until() loop with a label |
| 573 | |
| 574 | TEST24: { # redo |
| 575 | |
| 576 | $ok = 0; |
| 577 | |
| 578 | my $x = 0; |
| 579 | my $first_time = 1; |
| 580 | LABEL24: until($x++) { |
| 581 | if (!$first_time) { |
| 582 | $ok = 1; |
| 583 | last TEST24; |
| 584 | } |
| 585 | $ok = 0; |
| 586 | $first_time = 0; |
| 587 | redo LABEL24; |
| 588 | last TEST24; |
| 589 | } |
| 590 | continue { |
| 591 | $ok = 0; |
| 592 | last TEST24; |
| 593 | } |
| 594 | $ok = 0; |
| 595 | } |
| 596 | print ($ok ? "ok 24\n" : "not ok 24\n"); |
| 597 | |
| 598 | TEST25: { # next (succesful) |
| 599 | |
| 600 | $ok = 0; |
| 601 | |
| 602 | my $x = 0; |
| 603 | my $first_time = 1; |
| 604 | my $been_in_continue = 0; |
| 605 | LABEL25: until($x++ >= 2) { |
| 606 | if (!$first_time) { |
| 607 | $ok = $been_in_continue; |
| 608 | last TEST25; |
| 609 | } |
| 610 | $ok = 0; |
| 611 | $first_time = 0; |
| 612 | next LABEL25; |
| 613 | last TEST25; |
| 614 | } |
| 615 | continue { |
| 616 | $been_in_continue = 1; |
| 617 | } |
| 618 | $ok = 0; |
| 619 | } |
| 620 | print ($ok ? "ok 25\n" : "not ok 25\n"); |
| 621 | |
| 622 | TEST26: { # next (unsuccesful) |
| 623 | |
| 624 | $ok = 0; |
| 625 | |
| 626 | my $x = 0; |
| 627 | my $first_time = 1; |
| 628 | my $been_in_loop = 0; |
| 629 | my $been_in_continue = 0; |
| 630 | LABEL26: until($x++) { |
| 631 | $been_in_loop = 1; |
| 632 | if (!$first_time) { |
| 633 | $ok = 0; |
| 634 | last TEST26; |
| 635 | } |
| 636 | $ok = 0; |
| 637 | $first_time = 0; |
| 638 | next LABEL26; |
| 639 | last TEST26; |
| 640 | } |
| 641 | continue { |
| 642 | $been_in_continue = 1; |
| 643 | } |
| 644 | $ok = $been_in_loop && $been_in_continue; |
| 645 | } |
| 646 | print ($ok ? "ok 26\n" : "not ok 26\n"); |
| 647 | |
| 648 | TEST27: { # last |
| 649 | |
| 650 | $ok = 0; |
| 651 | |
| 652 | my $x = 0; |
| 653 | my $first_time = 1; |
| 654 | LABEL27: until($x++ == 10) { |
| 655 | if (!$first_time) { |
| 656 | $ok = 0; |
| 657 | last TEST27; |
| 658 | } |
| 659 | $ok = 0; |
| 660 | $first_time = 0; |
| 661 | last LABEL27; |
| 662 | last TEST27; |
| 663 | } |
| 664 | continue { |
| 665 | $ok = 0; |
| 666 | last TEST8; |
| 667 | } |
| 668 | $ok = 1; |
| 669 | } |
| 670 | print ($ok ? "ok 27\n" : "not ok 27\n"); |
| 671 | |
| 672 | ## for(@array) loop with a label |
| 673 | |
| 674 | TEST28: { # redo |
| 675 | |
| 676 | $ok = 0; |
| 677 | |
| 678 | my $first_time = 1; |
| 679 | LABEL28: for(1) { |
| 680 | if (!$first_time) { |
| 681 | $ok = 1; |
| 682 | last TEST28; |
| 683 | } |
| 684 | $ok = 0; |
| 685 | $first_time = 0; |
| 686 | redo LABEL28; |
| 687 | last TEST28; |
| 688 | } |
| 689 | continue { |
| 690 | $ok = 0; |
| 691 | last TEST28; |
| 692 | } |
| 693 | $ok = 0; |
| 694 | } |
| 695 | print ($ok ? "ok 28\n" : "not ok 28\n"); |
| 696 | |
| 697 | TEST29: { # next (succesful) |
| 698 | |
| 699 | $ok = 0; |
| 700 | |
| 701 | my $first_time = 1; |
| 702 | my $been_in_continue = 0; |
| 703 | LABEL29: for(1,2) { |
| 704 | if (!$first_time) { |
| 705 | $ok = $been_in_continue; |
| 706 | last TEST29; |
| 707 | } |
| 708 | $ok = 0; |
| 709 | $first_time = 0; |
| 710 | next LABEL29; |
| 711 | last TEST29; |
| 712 | } |
| 713 | continue { |
| 714 | $been_in_continue = 1; |
| 715 | } |
| 716 | $ok = 0; |
| 717 | } |
| 718 | print ($ok ? "ok 29\n" : "not ok 29\n"); |
| 719 | |
| 720 | TEST30: { # next (unsuccesful) |
| 721 | |
| 722 | $ok = 0; |
| 723 | |
| 724 | my $first_time = 1; |
| 725 | my $been_in_loop = 0; |
| 726 | my $been_in_continue = 0; |
| 727 | LABEL30: for(1) { |
| 728 | $been_in_loop = 1; |
| 729 | if (!$first_time) { |
| 730 | $ok = 0; |
| 731 | last TEST30; |
| 732 | } |
| 733 | $ok = 0; |
| 734 | $first_time = 0; |
| 735 | next LABEL30; |
| 736 | last TEST30; |
| 737 | } |
| 738 | continue { |
| 739 | $been_in_continue = 1; |
| 740 | } |
| 741 | $ok = $been_in_loop && $been_in_continue; |
| 742 | } |
| 743 | print ($ok ? "ok 30\n" : "not ok 30\n"); |
| 744 | |
| 745 | TEST31: { # last |
| 746 | |
| 747 | $ok = 0; |
| 748 | |
| 749 | my $first_time = 1; |
| 750 | LABEL31: for(1..10) { |
| 751 | if (!$first_time) { |
| 752 | $ok = 0; |
| 753 | last TEST31; |
| 754 | } |
| 755 | $ok = 0; |
| 756 | $first_time = 0; |
| 757 | last LABEL31; |
| 758 | last TEST31; |
| 759 | } |
| 760 | continue { |
| 761 | $ok=0; |
| 762 | last TEST31; |
| 763 | } |
| 764 | $ok = 1; |
| 765 | } |
| 766 | print ($ok ? "ok 31\n" : "not ok 31\n"); |
| 767 | |
| 768 | ## for(;;) loop with a label |
| 769 | |
| 770 | TEST32: { # redo |
| 771 | |
| 772 | $ok = 0; |
| 773 | |
| 774 | LABEL32: for(my $first_time = 1; 1;) { |
| 775 | if (!$first_time) { |
| 776 | $ok = 1; |
| 777 | last TEST32; |
| 778 | } |
| 779 | $ok = 0; |
| 780 | $first_time=0; |
| 781 | |
| 782 | redo LABEL32; |
| 783 | last TEST32; |
| 784 | } |
| 785 | $ok = 0; |
| 786 | } |
| 787 | print ($ok ? "ok 32\n" : "not ok 32\n"); |
| 788 | |
| 789 | TEST33: { # next (successful) |
| 790 | |
| 791 | $ok = 0; |
| 792 | |
| 793 | LABEL33: for(my $first_time = 1; 1; $first_time=0) { |
| 794 | if (!$first_time) { |
| 795 | $ok = 1; |
| 796 | last TEST33; |
| 797 | } |
| 798 | $ok = 0; |
| 799 | next LABEL33; |
| 800 | last TEST33; |
| 801 | } |
| 802 | $ok = 0; |
| 803 | } |
| 804 | print ($ok ? "ok 33\n" : "not ok 33\n"); |
| 805 | |
| 806 | TEST34: { # next (unsuccesful) |
| 807 | |
| 808 | $ok = 0; |
| 809 | |
| 810 | my $x=1; |
| 811 | my $been_in_loop = 0; |
| 812 | LABEL34: for(my $first_time = 1; $x--;) { |
| 813 | $been_in_loop = 1; |
| 814 | if (!$first_time) { |
| 815 | $ok = 0; |
| 816 | last TEST34; |
| 817 | } |
| 818 | $ok = 0; |
| 819 | $first_time = 0; |
| 820 | next LABEL34; |
| 821 | last TEST34; |
| 822 | } |
| 823 | $ok = $been_in_loop; |
| 824 | } |
| 825 | print ($ok ? "ok 34\n" : "not ok 34\n"); |
| 826 | |
| 827 | TEST35: { # last |
| 828 | |
| 829 | $ok = 0; |
| 830 | |
| 831 | LABEL35: for(my $first_time = 1; 1; last TEST16) { |
| 832 | if (!$first_time) { |
| 833 | $ok = 0; |
| 834 | last TEST35; |
| 835 | } |
| 836 | $ok = 0; |
| 837 | $first_time = 0; |
| 838 | last LABEL35; |
| 839 | last TEST35; |
| 840 | } |
| 841 | $ok = 1; |
| 842 | } |
| 843 | print ($ok ? "ok 35\n" : "not ok 35\n"); |
| 844 | |
| 845 | ## bare block with a label |
| 846 | |
| 847 | TEST36: { # redo |
| 848 | |
| 849 | $ok = 0; |
| 850 | my $first_time = 1; |
| 851 | |
| 852 | LABEL36: { |
| 853 | if (!$first_time) { |
| 854 | $ok = 1; |
| 855 | last TEST36; |
| 856 | } |
| 857 | $ok = 0; |
| 858 | $first_time=0; |
| 859 | |
| 860 | redo LABEL36; |
| 861 | last TEST36; |
| 862 | } |
| 863 | continue { |
| 864 | $ok = 0; |
| 865 | last TEST36; |
| 866 | } |
| 867 | $ok = 0; |
| 868 | } |
| 869 | print ($ok ? "ok 36\n" : "not ok 36\n"); |
| 870 | |
| 871 | TEST37: { # next |
| 872 | |
| 873 | $ok = 0; |
| 874 | LABEL37: { |
| 875 | next LABEL37; |
| 876 | last TEST37; |
| 877 | } |
| 878 | continue { |
| 879 | $ok = 1; |
| 880 | last TEST37; |
| 881 | } |
| 882 | $ok = 0; |
| 883 | } |
| 884 | print ($ok ? "ok 37\n" : "not ok 37\n"); |
| 885 | |
| 886 | TEST38: { # last |
| 887 | |
| 888 | $ok = 0; |
| 889 | LABEL38: { |
| 890 | last LABEL38; |
| 891 | last TEST38; |
| 892 | } |
| 893 | continue { |
| 894 | $ok = 0; |
| 895 | last TEST38; |
| 896 | } |
| 897 | $ok = 1; |
| 898 | } |
| 899 | print ($ok ? "ok 38\n" : "not ok 38\n"); |
| 900 | |
| 901 | ### Now test nested constructs |
| 902 | |
| 903 | TEST39: { |
| 904 | $ok = 0; |
| 905 | my ($x, $y, $z) = (1,1,1); |
| 906 | one39: while ($x--) { |
| 907 | $ok = 0; |
| 908 | two39: while ($y--) { |
| 909 | $ok = 0; |
| 910 | three39: while ($z--) { |
| 911 | next two39; |
| 912 | } |
| 913 | continue { |
| 914 | $ok = 0; |
| 915 | last TEST39; |
| 916 | } |
| 917 | } |
| 918 | continue { |
| 919 | $ok = 1; |
| 920 | last TEST39; |
| 921 | } |
| 922 | $ok = 0; |
| 923 | } |
| 924 | } |
| 925 | print ($ok ? "ok 39\n" : "not ok 39\n"); |
| 926 | |
| 927 | |
| 928 | ### Test that loop control is dynamicly scoped. |
| 929 | |
| 930 | sub test_last_label { last TEST40 } |
| 931 | |
| 932 | TEST40: { |
| 933 | $ok = 1; |
| 934 | test_last_label(); |
| 935 | $ok = 0; |
| 936 | } |
| 937 | print ($ok ? "ok 40\n" : "not ok 40\n"); |
| 938 | |
| 939 | sub test_last { last } |
| 940 | |
| 941 | TEST41: { |
| 942 | $ok = 1; |
| 943 | test_last(); |
| 944 | $ok = 0; |
| 945 | } |
| 946 | print ($ok ? "ok 41\n" : "not ok 41\n"); |