PathOps.java revision 893:f06f30b29f36
1/* 2 * Copyright 2008-2009 Sun Microsystems, Inc. All Rights Reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 */ 23 24/* @test 25 * @bug 4313887 26 * @summary Unit test for java.nio.file.Path path operations 27 */ 28 29import java.nio.file.*; 30 31public class PathOps { 32 33 static final java.io.PrintStream out = System.out; 34 35 private String input; 36 private Path path; 37 private Exception exc; 38 39 private PathOps(String s) { 40 out.println(); 41 input = s; 42 try { 43 path = FileSystems.getDefault().getPath(s); 44 out.format("%s -> %s", s, path); 45 } catch (Exception x) { 46 exc = x; 47 out.format("%s -> %s", s, x); 48 } 49 out.println(); 50 } 51 52 Path path() { 53 return path; 54 } 55 56 void fail() { 57 throw new RuntimeException("PathOps failed"); 58 } 59 60 void checkPath() { 61 if (path == null) { 62 throw new InternalError("path is null"); 63 } 64 } 65 66 void check(Object result, String expected) { 67 out.format("\tExpected: %s\n", expected); 68 out.format("\tActual: %s\n", result); 69 if (result == null) { 70 if (expected == null) return; 71 } else { 72 // compare string representations 73 if (expected != null && result.toString().equals(expected.toString())) 74 return; 75 } 76 fail(); 77 } 78 79 void check(Object result, boolean expected) { 80 check(result, Boolean.toString(expected)); 81 } 82 83 PathOps root(String expected) { 84 out.println("check root"); 85 checkPath(); 86 check(path.getRoot(), expected); 87 return this; 88 } 89 90 PathOps parent(String expected) { 91 out.println("check parent"); 92 checkPath(); 93 check(path.getParent(), expected); 94 return this; 95 } 96 97 PathOps name(String expected) { 98 out.println("check name"); 99 checkPath(); 100 check(path.getName(), expected); 101 return this; 102 } 103 104 PathOps element(int index, String expected) { 105 out.format("check element %d\n", index); 106 checkPath(); 107 check(path.getName(index), expected); 108 return this; 109 } 110 111 PathOps subpath(int startIndex, int endIndex, String expected) { 112 out.format("test subpath(%d,%d)\n", startIndex, endIndex); 113 checkPath(); 114 check(path.subpath(startIndex, endIndex), expected); 115 return this; 116 } 117 118 PathOps starts(String prefix) { 119 out.format("test startsWith with %s\n", prefix); 120 checkPath(); 121 Path s = FileSystems.getDefault().getPath(prefix); 122 check(path.startsWith(s), true); 123 return this; 124 } 125 126 PathOps notStarts(String prefix) { 127 out.format("test not startsWith with %s\n", prefix); 128 checkPath(); 129 Path s = FileSystems.getDefault().getPath(prefix); 130 check(path.startsWith(s), false); 131 return this; 132 } 133 134 PathOps ends(String suffix) { 135 out.format("test endsWith %s\n", suffix); 136 checkPath(); 137 Path s = FileSystems.getDefault().getPath(suffix); 138 check(path.endsWith(s), true); 139 return this; 140 } 141 142 PathOps notEnds(String suffix) { 143 out.format("test not endsWith %s\n", suffix); 144 checkPath(); 145 Path s = FileSystems.getDefault().getPath(suffix); 146 check(path.endsWith(s), false); 147 return this; 148 } 149 150 PathOps absolute() { 151 out.println("check path is absolute"); 152 checkPath(); 153 check(path.isAbsolute(), true); 154 return this; 155 } 156 157 PathOps notAbsolute() { 158 out.println("check path is not absolute"); 159 checkPath(); 160 check(path.isAbsolute(), false); 161 return this; 162 } 163 164 PathOps resolve(String other, String expected) { 165 out.format("test resolve %s\n", other); 166 checkPath(); 167 check(path.resolve(other), expected); 168 return this; 169 } 170 171 PathOps relativize(String other, String expected) { 172 out.format("test relativize %s\n", other); 173 checkPath(); 174 Path that = FileSystems.getDefault().getPath(other); 175 check(path.relativize(that), expected); 176 return this; 177 } 178 179 PathOps normalize(String expected) { 180 out.println("check normalized path"); 181 checkPath(); 182 check(path.normalize(), expected); 183 return this; 184 } 185 186 PathOps string(String expected) { 187 out.println("check string representation"); 188 checkPath(); 189 check(path, expected); 190 return this; 191 } 192 193 PathOps invalid() { 194 if (!(exc instanceof InvalidPathException)) { 195 out.println("InvalidPathException not thrown as expected"); 196 fail(); 197 } 198 return this; 199 } 200 201 static PathOps test(String s) { 202 return new PathOps(s); 203 } 204 205 // -- PathOpss -- 206 207 static void header(String s) { 208 out.println(); 209 out.println(); 210 out.println("-- " + s + " --"); 211 } 212 213 static void doWindowsTests() { 214 header("Windows specific tests"); 215 216 // all components present 217 test("C:\\a\\b\\c") 218 .root("C:\\") 219 .parent("C:\\a\\b") 220 .name("c"); 221 test("C:a\\b\\c") 222 .root("C:") 223 .parent("C:a\\b") 224 .name("c"); 225 test("\\\\server\\share\\a") 226 .root("\\\\server\\share\\") 227 .parent("\\\\server\\share\\") 228 .name("a"); 229 230 // root component only 231 test("C:\\") 232 .root("C:\\") 233 .parent(null) 234 .name(null); 235 test("C:") 236 .root("C:") 237 .parent(null) 238 .name(null); 239 test("\\\\server\\share\\") 240 .root("\\\\server\\share\\") 241 .parent(null) 242 .name(null); 243 244 // no root component 245 test("a\\b") 246 .root(null) 247 .parent("a") 248 .name("b"); 249 250 // name component only 251 test("foo") 252 .root(null) 253 .parent(null) 254 .name("foo"); 255 256 // startsWith 257 test("C:\\") 258 .starts("C:\\") 259 .starts("c:\\") 260 .notStarts("C") 261 .notStarts("C:"); 262 test("C:") 263 .starts("C:") 264 .starts("c:") 265 .notStarts("C"); 266 test("\\") 267 .starts("\\"); 268 test("C:\\foo\\bar") 269 .starts("C:\\") 270 .starts("C:\\foo") 271 .starts("C:\\FOO") 272 .starts("C:\\foo\\bar") 273 .starts("C:\\Foo\\Bar") 274 .notStarts("C:") 275 .notStarts("C") 276 .notStarts("C:foo"); 277 test("\\foo\\bar") 278 .starts("\\") 279 .starts("\\foo") 280 .starts("\\foO") 281 .starts("\\foo\\bar") 282 .starts("\\fOo\\BaR") 283 .notStarts("foo") 284 .notStarts("foo\\bar"); 285 test("foo\\bar") 286 .starts("foo") 287 .starts("foo\\bar") 288 .notStarts("\\"); 289 test("\\\\server\\share") 290 .starts("\\\\server\\share") 291 .starts("\\\\server\\share\\") 292 .notStarts("\\"); 293 294 // endsWith 295 test("C:\\") 296 .ends("C:\\") 297 .ends("c:\\") 298 .notEnds("\\"); 299 test("C:") 300 .ends("C:") 301 .ends("c:"); 302 test("\\") 303 .ends("\\"); 304 test("C:\\foo\\bar") 305 .ends("bar") 306 .ends("BAR") 307 .ends("foo\\bar") 308 .ends("Foo\\Bar") 309 .ends("C:\\foo\\bar") 310 .ends("c:\\foO\\baR") 311 .notEnds("r") 312 .notEnds("\\foo\\bar"); 313 test("\\foo\\bar") 314 .ends("bar") 315 .ends("BaR") 316 .ends("foo\\bar") 317 .ends("foO\\baR") 318 .ends("\\foo\\bar") 319 .ends("\\Foo\\Bar") 320 .notEnds("oo\\bar"); 321 test("foo\\bar") 322 .ends("bar") 323 .ends("BAR") 324 .ends("foo\\bar") 325 .ends("Foo\\Bar") 326 .notEnds("ar"); 327 test("\\\\server\\share") 328 .ends("\\\\server\\share") 329 .ends("\\\\server\\share\\") 330 .notEnds("shared") 331 .notEnds("\\"); 332 333 // elements 334 test("C:\\a\\b\\c") 335 .element(0, "a") 336 .element(1, "b") 337 .element(2, "c"); 338 test("foo.bar\\gus.alice") 339 .element(0, "foo.bar") 340 .element(1, "gus.alice"); 341 342 // subpath 343 test("C:\\foo") 344 .subpath(0, 1, "foo"); 345 test("C:foo") 346 .subpath(0, 1, "foo"); 347 test("foo") 348 .subpath(0, 1, "foo"); 349 test("C:\\foo\\bar\\gus") 350 .subpath(0, 1, "foo") 351 .subpath(0, 2, "foo\\bar") 352 .subpath(0, 3, "foo\\bar\\gus") 353 .subpath(1, 2, "bar") 354 .subpath(1, 3, "bar\\gus") 355 .subpath(2, 3, "gus"); 356 test("\\\\server\\share\\foo") 357 .subpath(0, 1, "foo"); 358 359 // isAbsolute 360 test("foo").notAbsolute(); 361 test("C:").notAbsolute(); 362 test("C:\\").absolute(); 363 test("C:\\abc").absolute(); 364 test("\\\\server\\share\\").absolute(); 365 366 // resolve 367 test("C:\\") 368 .resolve("foo", "C:\\foo") 369 .resolve("D:\\bar", "D:\\bar") 370 .resolve("\\\\server\\share\\bar", "\\\\server\\share\\bar") 371 .resolve("C:foo", "C:\\foo") 372 .resolve("D:foo", "D:foo"); 373 test("\\") 374 .resolve("foo", "\\foo") 375 .resolve("D:bar", "D:bar") 376 .resolve("C:\\bar", "C:\\bar") 377 .resolve("\\\\server\\share\\bar", "\\\\server\\share\\bar") 378 .resolve("\\foo", "\\foo"); 379 test("\\foo") 380 .resolve("bar", "\\foo\\bar") 381 .resolve("D:bar", "D:bar") 382 .resolve("C:\\bar", "C:\\bar") 383 .resolve("\\\\server\\share\\bar", "\\\\server\\share\\bar") 384 .resolve("\\bar", "\\bar"); 385 test("foo") 386 .resolve("bar", "foo\\bar") 387 .resolve("D:\\bar", "D:\\bar") 388 .resolve("\\\\server\\share\\bar", "\\\\server\\share\\bar") 389 .resolve("C:bar", "C:bar") 390 .resolve("D:foo", "D:foo"); 391 test("C:") 392 .resolve("foo", "C:foo"); 393 test("\\\\server\\share\\foo") 394 .resolve("bar", "\\\\server\\share\\foo\\bar") 395 .resolve("\\bar", "\\\\server\\share\\bar") 396 .resolve("D:\\bar", "D:\\bar") 397 .resolve("\\\\other\\share\\bar", "\\\\other\\share\\bar") 398 .resolve("D:bar", "D:bar"); 399 400 // relativize 401 test("foo\\bar") 402 .relativize("foo\\bar", null) 403 .relativize("foo", ".."); 404 test("C:\\a\\b\\c") 405 .relativize("C:\\a", "..\\.."); 406 test("\\\\server\\share\\foo") 407 .relativize("\\\\server\\share\\bar", "..\\bar"); 408 409 // normalize 410 test("C:\\") 411 .normalize("C:\\"); 412 test("C:\\.") 413 .normalize("C:\\"); 414 test("C:\\..") 415 .normalize("C:\\"); 416 test("\\\\server\\share") 417 .normalize("\\\\server\\share\\"); 418 test("\\\\server\\share\\.") 419 .normalize("\\\\server\\share\\"); 420 test("\\\\server\\share\\..") 421 .normalize("\\\\server\\share\\"); 422 test("C:") 423 .normalize("C:"); 424 test("C:.") 425 .normalize("C:"); 426 test("C:..") 427 .normalize("C:.."); 428 test("\\") 429 .normalize("\\"); 430 test("\\.") 431 .normalize("\\"); 432 test("\\..") 433 .normalize("\\"); 434 test("foo") 435 .normalize("foo"); 436 test("foo\\.") 437 .normalize("foo"); 438 test("foo\\..") 439 .normalize(null); 440 test("C:\\foo") 441 .normalize("C:\\foo"); 442 test("C:\\foo\\.") 443 .normalize("C:\\foo"); 444 test("C:\\.\\foo") 445 .normalize("C:\\foo"); 446 test("C:\\foo\\..") 447 .normalize("C:\\"); 448 test("C:\\..\\foo") 449 .normalize("C:\\foo"); 450 test("\\\\server\\share\\foo") 451 .normalize("\\\\server\\share\\foo"); 452 test("\\\\server\\share\\foo\\.") 453 .normalize("\\\\server\\share\\foo"); 454 test("\\\\server\\share\\.\\foo") 455 .normalize("\\\\server\\share\\foo"); 456 test("\\\\server\\share\\foo\\..") 457 .normalize("\\\\server\\share\\"); 458 test("\\\\server\\share\\..\\foo") 459 .normalize("\\\\server\\share\\foo"); 460 test("C:foo") 461 .normalize("C:foo"); 462 test("C:foo\\.") 463 .normalize("C:foo"); 464 test("C:.\\foo") 465 .normalize("C:foo"); 466 test("C:foo\\..") 467 .normalize("C:"); 468 test("C:..\\foo") 469 .normalize("C:..\\foo"); 470 test("\\foo") 471 .normalize("\\foo"); 472 test("\\foo\\.") 473 .normalize("\\foo"); 474 test("\\.\\foo") 475 .normalize("\\foo"); 476 test("\\foo\\..") 477 .normalize("\\"); 478 test("\\..\\foo") 479 .normalize("\\foo"); 480 test(".") 481 .normalize(null); 482 test("..") 483 .normalize(".."); 484 test("\\..\\..") 485 .normalize("\\"); 486 test("..\\..\\foo") 487 .normalize("..\\..\\foo"); 488 test("foo\\bar\\..") 489 .normalize("foo"); 490 test("foo\\bar\\.\\..") 491 .normalize("foo"); 492 test("foo\\bar\\gus\\..\\..") 493 .normalize("foo"); 494 test(".\\foo\\.\\bar\\.\\gus\\..\\.\\..") 495 .normalize("foo"); 496 497 // UNC corner cases 498 test("\\\\server\\share\\") 499 .root("\\\\server\\share\\") 500 .parent(null) 501 .name(null); 502 test("\\\\server") 503 .invalid(); 504 test("\\\\server\\") 505 .invalid(); 506 test("\\\\server\\share") 507 .root("\\\\server\\share\\") 508 .parent(null) 509 .name(null); 510 511 // invalid 512 test(":\\foo") 513 .invalid(); 514 test("C::") 515 .invalid(); 516 test("C:\\?") // invalid character 517 .invalid(); 518 test("C:\\*") // invalid character 519 .invalid(); 520 test("C:\\abc\u0001\\foo") 521 .invalid(); 522 test("C:\\\u0019\\foo") 523 .invalid(); 524 test("\\\\server\u0019\\share") 525 .invalid(); 526 test("\\\\server\\share\u0019") 527 .invalid(); 528 test("foo\u0000\bar") 529 .invalid(); 530 test("C:\\foo ") // trailing space 531 .invalid(); 532 test("C:\\foo \\bar") 533 .invalid(); 534 //test("C:\\foo.") // trailing dot 535 //.invalid(); 536 //test("C:\\foo...\\bar") 537 //.invalid(); 538 539 // normalization at construction time (remove redundant and replace slashes) 540 test("C:/a/b/c") 541 .string("C:\\a\\b\\c") 542 .root("C:\\") 543 .parent("C:\\a\\b"); 544 test("C://a//b//c") 545 .string("C:\\a\\b\\c") 546 .root("C:\\") 547 .parent("C:\\a\\b"); 548 549 // hashCode 550 header("hashCode"); 551 int h1 = test("C:\\foo").path().hashCode(); 552 int h2 = test("c:\\FOO").path().hashCode(); 553 if (h1 != h2) 554 throw new RuntimeException("PathOps failed"); 555 } 556 557 static void doUnixTests() { 558 header("Unix specific tests"); 559 560 // all components 561 test("/a/b/c") 562 .root("/") 563 .parent("/a/b") 564 .name("c"); 565 566 // root component only 567 test("/") 568 .root("/") 569 .parent(null) 570 .name(null); 571 572 // no root component 573 test("a/b") 574 .root(null) 575 .parent("a") 576 .name("b"); 577 578 // name component only 579 test("foo") 580 .root(null) 581 .parent(null) 582 .name("foo"); 583 584 // startsWith 585 test("/") 586 .starts("/") 587 .notStarts("/foo"); 588 test("/foo") 589 .starts("/") 590 .starts("/foo") 591 .notStarts("/f"); 592 test("/foo/bar") 593 .starts("/") 594 .starts("/foo") 595 .starts("/foo/bar") 596 .notStarts("/f") 597 .notStarts("foo") 598 .notStarts("foo/bar"); 599 test("foo") 600 .starts("foo") 601 .notStarts("f"); 602 test("foo/bar") 603 .starts("foo") 604 .starts("foo/bar") 605 .notStarts("f") 606 .notStarts("/foo") 607 .notStarts("/foo/bar"); 608 609 // endsWith 610 test("/") 611 .ends("/") 612 .notEnds("foo") 613 .notEnds("/foo"); 614 test("/foo") 615 .ends("foo") 616 .ends("/foo") 617 .notEnds("/"); 618 test("/foo/bar") 619 .ends("bar") 620 .ends("foo/bar") 621 .ends("/foo/bar") 622 .notEnds("/bar"); 623 test("foo") 624 .ends("foo"); 625 test("foo/bar") 626 .ends("bar") 627 .ends("foo/bar"); 628 629 // elements 630 test("a/b/c") 631 .element(0,"a") 632 .element(1,"b") 633 .element(2,"c"); 634 635 // isAbsolute 636 test("/") 637 .absolute(); 638 test("/tmp") 639 .absolute(); 640 test("tmp") 641 .notAbsolute(); 642 643 // resolve 644 test("/tmp") 645 .resolve("foo", "/tmp/foo") 646 .resolve("/foo", "/foo"); 647 test("tmp") 648 .resolve("foo", "tmp/foo") 649 .resolve("/foo", "/foo"); 650 651 // relativize 652 test("/a/b/c") 653 .relativize("/a/b/c", null) 654 .relativize("/a/b/c/d/e", "d/e") 655 .relativize("/a/x", "../../x"); 656 657 // normalize 658 test("/") 659 .normalize("/"); 660 test("foo") 661 .normalize("foo"); 662 test("/foo") 663 .normalize("/foo"); 664 test(".") 665 .normalize(null); 666 test("..") 667 .normalize(".."); 668 test("/..") 669 .normalize("/"); 670 test("/../..") 671 .normalize("/"); 672 test("foo/.") 673 .normalize("foo"); 674 test("./foo") 675 .normalize("foo"); 676 test("foo/..") 677 .normalize(null); 678 test("../foo") 679 .normalize("../foo"); 680 test("../../foo") 681 .normalize("../../foo"); 682 test("foo/bar/..") 683 .normalize("foo"); 684 test("foo/bar/gus/../..") 685 .normalize("foo"); 686 test("/foo/bar/gus/../..") 687 .normalize("/foo"); 688 689 // invalid 690 test("foo\u0000\bar") 691 .invalid(); 692 693 // normalization 694 test("//foo//bar") 695 .string("/foo/bar") 696 .root("/") 697 .parent("/foo") 698 .name("bar"); 699 } 700 701 static void npes() { 702 header("NullPointerException"); 703 704 Path path = FileSystems.getDefault().getPath("foo"); 705 706 try { 707 path.resolve((String)null); 708 throw new RuntimeException("NullPointerException not thrown"); 709 } catch (NullPointerException npe) { 710 } 711 712 try { 713 path.relativize(null); 714 throw new RuntimeException("NullPointerException not thrown"); 715 } catch (NullPointerException npe) { 716 } 717 718 try { 719 path.compareTo(null); 720 throw new RuntimeException("NullPointerException not thrown"); 721 } catch (NullPointerException npe) { 722 } 723 724 try { 725 path.startsWith(null); 726 throw new RuntimeException("NullPointerException not thrown"); 727 } catch (NullPointerException npe) { 728 } 729 730 try { 731 path.endsWith(null); 732 throw new RuntimeException("NullPointerException not thrown"); 733 } catch (NullPointerException npe) { 734 } 735 736 } 737 738 public static void main(String[] args) { 739 // all platforms 740 npes(); 741 742 // operating system specific 743 String osname = System.getProperty("os.name"); 744 if (osname.startsWith("Windows")) { 745 doWindowsTests(); 746 } 747 if (osname.equals("SunOS") || osname.equals("Linux")) { 748 doUnixTests(); 749 } 750 751 } 752} 753