library/std/src/path/tests.rs

   1 use super::*;
   2
   3 use crate::rc::Rc;
   4 use crate::sync::Arc;
   5
   6 macro_rules! t(
   7     ($path:expr, iter: $iter:expr) => (
   8         {
   9             let path = Path::new($path);
  10
  11             // Forward iteration
  12             let comps = path.iter()
  13                 .map(|p| p.to_string_lossy().into_owned())
  14                 .collect::<Vec<String>>();
  15             let exp: &[&str] = &$iter;
  16             let exps = exp.iter().map(|s| s.to_string()).collect::<Vec<String>>();
  17             assert!(comps == exps, "iter: Expected {:?}, found {:?}",
  18                     exps, comps);
  19
  20             // Reverse iteration
  21             let comps = Path::new($path).iter().rev()
  22                 .map(|p| p.to_string_lossy().into_owned())
  23                 .collect::<Vec<String>>();
  24             let exps = exps.into_iter().rev().collect::<Vec<String>>();
  25             assert!(comps == exps, "iter().rev(): Expected {:?}, found {:?}",
  26                     exps, comps);
  27         }
  28     );
  29
  30     ($path:expr, has_root: $has_root:expr, is_absolute: $is_absolute:expr) => (
  31         {
  32             let path = Path::new($path);
  33
  34             let act_root = path.has_root();
  35             assert!(act_root == $has_root, "has_root: Expected {:?}, found {:?}",
  36                     $has_root, act_root);
  37
  38             let act_abs = path.is_absolute();
  39             assert!(act_abs == $is_absolute, "is_absolute: Expected {:?}, found {:?}",
  40                     $is_absolute, act_abs);
  41         }
  42     );
  43
  44     ($path:expr, parent: $parent:expr, file_name: $file:expr) => (
  45         {
  46             let path = Path::new($path);
  47
  48             let parent = path.parent().map(|p| p.to_str().unwrap());
  49             let exp_parent: Option<&str> = $parent;
  50             assert!(parent == exp_parent, "parent: Expected {:?}, found {:?}",
  51                     exp_parent, parent);
  52
  53             let file = path.file_name().map(|p| p.to_str().unwrap());
  54             let exp_file: Option<&str> = $file;
  55             assert!(file == exp_file, "file_name: Expected {:?}, found {:?}",
  56                     exp_file, file);
  57         }
  58     );
  59
  60     ($path:expr, file_stem: $file_stem:expr, extension: $extension:expr) => (
  61         {
  62             let path = Path::new($path);
  63
  64             let stem = path.file_stem().map(|p| p.to_str().unwrap());
  65             let exp_stem: Option<&str> = $file_stem;
  66             assert!(stem == exp_stem, "file_stem: Expected {:?}, found {:?}",
  67                     exp_stem, stem);
  68
  69             let ext = path.extension().map(|p| p.to_str().unwrap());
  70             let exp_ext: Option<&str> = $extension;
  71             assert!(ext == exp_ext, "extension: Expected {:?}, found {:?}",
  72                     exp_ext, ext);
  73         }
  74     );
  75
  76     ($path:expr, iter: $iter:expr,
  77                  has_root: $has_root:expr, is_absolute: $is_absolute:expr,
  78                  parent: $parent:expr, file_name: $file:expr,
  79                  file_stem: $file_stem:expr, extension: $extension:expr) => (
  80         {
  81             t!($path, iter: $iter);
  82             t!($path, has_root: $has_root, is_absolute: $is_absolute);
  83             t!($path, parent: $parent, file_name: $file);
  84             t!($path, file_stem: $file_stem, extension: $extension);
  85         }
  86     );
  87 );
  88
  89 #[test]
  90 fn into() {
  91     use crate::borrow::Cow;
  92
  93     let static_path = Path::new("/home/foo");
  94     let static_cow_path: Cow<'static, Path> = static_path.into();
  95     let pathbuf = PathBuf::from("/home/foo");
  96
  97     {
  98         let path: &Path = &pathbuf;
  99         let borrowed_cow_path: Cow<'_, Path> = path.into();
 100
 101         assert_eq!(static_cow_path, borrowed_cow_path);
 102     }
 103
 104     let owned_cow_path: Cow<'static, Path> = pathbuf.into();
 105
 106     assert_eq!(static_cow_path, owned_cow_path);
 107 }
 108
 109 #[test]
 110 #[cfg(unix)]
 111 pub fn test_decompositions_unix() {
 112     t!("",
 113     iter: [],
 114     has_root: false,
 115     is_absolute: false,
 116     parent: None,
 117     file_name: None,
 118     file_stem: None,
 119     extension: None
 120     );
 121
 122     t!("foo",
 123     iter: ["foo"],
 124     has_root: false,
 125     is_absolute: false,
 126     parent: Some(""),
 127     file_name: Some("foo"),
 128     file_stem: Some("foo"),
 129     extension: None
 130     );
 131
 132     t!("/",
 133     iter: ["/"],
 134     has_root: true,
 135     is_absolute: true,
 136     parent: None,
 137     file_name: None,
 138     file_stem: None,
 139     extension: None
 140     );
 141
 142     t!("/foo",
 143     iter: ["/", "foo"],
 144     has_root: true,
 145     is_absolute: true,
 146     parent: Some("/"),
 147     file_name: Some("foo"),
 148     file_stem: Some("foo"),
 149     extension: None
 150     );
 151
 152     t!("foo/",
 153     iter: ["foo"],
 154     has_root: false,
 155     is_absolute: false,
 156     parent: Some(""),
 157     file_name: Some("foo"),
 158     file_stem: Some("foo"),
 159     extension: None
 160     );
 161
 162     t!("/foo/",
 163     iter: ["/", "foo"],
 164     has_root: true,
 165     is_absolute: true,
 166     parent: Some("/"),
 167     file_name: Some("foo"),
 168     file_stem: Some("foo"),
 169     extension: None
 170     );
 171
 172     t!("foo/bar",
 173     iter: ["foo", "bar"],
 174     has_root: false,
 175     is_absolute: false,
 176     parent: Some("foo"),
 177     file_name: Some("bar"),
 178     file_stem: Some("bar"),
 179     extension: None
 180     );
 181
 182     t!("/foo/bar",
 183     iter: ["/", "foo", "bar"],
 184     has_root: true,
 185     is_absolute: true,
 186     parent: Some("/foo"),
 187     file_name: Some("bar"),
 188     file_stem: Some("bar"),
 189     extension: None
 190     );
 191
 192     t!("///foo///",
 193     iter: ["/", "foo"],
 194     has_root: true,
 195     is_absolute: true,
 196     parent: Some("/"),
 197     file_name: Some("foo"),
 198     file_stem: Some("foo"),
 199     extension: None
 200     );
 201
 202     t!("///foo///bar",
 203     iter: ["/", "foo", "bar"],
 204     has_root: true,
 205     is_absolute: true,
 206     parent: Some("///foo"),
 207     file_name: Some("bar"),
 208     file_stem: Some("bar"),
 209     extension: None
 210     );
 211
 212     t!("./.",
 213     iter: ["."],
 214     has_root: false,
 215     is_absolute: false,
 216     parent: Some(""),
 217     file_name: None,
 218     file_stem: None,
 219     extension: None
 220     );
 221
 222     t!("/..",
 223     iter: ["/", ".."],
 224     has_root: true,
 225     is_absolute: true,
 226     parent: Some("/"),
 227     file_name: None,
 228     file_stem: None,
 229     extension: None
 230     );
 231
 232     t!("../",
 233     iter: [".."],
 234     has_root: false,
 235     is_absolute: false,
 236     parent: Some(""),
 237     file_name: None,
 238     file_stem: None,
 239     extension: None
 240     );
 241
 242     t!("foo/.",
 243     iter: ["foo"],
 244     has_root: false,
 245     is_absolute: false,
 246     parent: Some(""),
 247     file_name: Some("foo"),
 248     file_stem: Some("foo"),
 249     extension: None
 250     );
 251
 252     t!("foo/..",
 253     iter: ["foo", ".."],
 254     has_root: false,
 255     is_absolute: false,
 256     parent: Some("foo"),
 257     file_name: None,
 258     file_stem: None,
 259     extension: None
 260     );
 261
 262     t!("foo/./",
 263     iter: ["foo"],
 264     has_root: false,
 265     is_absolute: false,
 266     parent: Some(""),
 267     file_name: Some("foo"),
 268     file_stem: Some("foo"),
 269     extension: None
 270     );
 271
 272     t!("foo/./bar",
 273     iter: ["foo", "bar"],
 274     has_root: false,
 275     is_absolute: false,
 276     parent: Some("foo"),
 277     file_name: Some("bar"),
 278     file_stem: Some("bar"),
 279     extension: None
 280     );
 281
 282     t!("foo/../",
 283     iter: ["foo", ".."],
 284     has_root: false,
 285     is_absolute: false,
 286     parent: Some("foo"),
 287     file_name: None,
 288     file_stem: None,
 289     extension: None
 290     );
 291
 292     t!("foo/../bar",
 293     iter: ["foo", "..", "bar"],
 294     has_root: false,
 295     is_absolute: false,
 296     parent: Some("foo/.."),
 297     file_name: Some("bar"),
 298     file_stem: Some("bar"),
 299     extension: None
 300     );
 301
 302     t!("./a",
 303     iter: [".", "a"],
 304     has_root: false,
 305     is_absolute: false,
 306     parent: Some("."),
 307     file_name: Some("a"),
 308     file_stem: Some("a"),
 309     extension: None
 310     );
 311
 312     t!(".",
 313     iter: ["."],
 314     has_root: false,
 315     is_absolute: false,
 316     parent: Some(""),
 317     file_name: None,
 318     file_stem: None,
 319     extension: None
 320     );
 321
 322     t!("./",
 323     iter: ["."],
 324     has_root: false,
 325     is_absolute: false,
 326     parent: Some(""),
 327     file_name: None,
 328     file_stem: None,
 329     extension: None
 330     );
 331
 332     t!("a/b",
 333     iter: ["a", "b"],
 334     has_root: false,
 335     is_absolute: false,
 336     parent: Some("a"),
 337     file_name: Some("b"),
 338     file_stem: Some("b"),
 339     extension: None
 340     );
 341
 342     t!("a//b",
 343     iter: ["a", "b"],
 344     has_root: false,
 345     is_absolute: false,
 346     parent: Some("a"),
 347     file_name: Some("b"),
 348     file_stem: Some("b"),
 349     extension: None
 350     );
 351
 352     t!("a/./b",
 353     iter: ["a", "b"],
 354     has_root: false,
 355     is_absolute: false,
 356     parent: Some("a"),
 357     file_name: Some("b"),
 358     file_stem: Some("b"),
 359     extension: None
 360     );
 361
 362     t!("a/b/c",
 363     iter: ["a", "b", "c"],
 364     has_root: false,
 365     is_absolute: false,
 366     parent: Some("a/b"),
 367     file_name: Some("c"),
 368     file_stem: Some("c"),
 369     extension: None
 370     );
 371
 372     t!(".foo",
 373     iter: [".foo"],
 374     has_root: false,
 375     is_absolute: false,
 376     parent: Some(""),
 377     file_name: Some(".foo"),
 378     file_stem: Some(".foo"),
 379     extension: None
 380     );
 381 }
 382
 383 #[test]
 384 #[cfg(windows)]
 385 pub fn test_decompositions_windows() {
 386     t!("",
 387     iter: [],
 388     has_root: false,
 389     is_absolute: false,
 390     parent: None,
 391     file_name: None,
 392     file_stem: None,
 393     extension: None
 394     );
 395
 396     t!("foo",
 397     iter: ["foo"],
 398     has_root: false,
 399     is_absolute: false,
 400     parent: Some(""),
 401     file_name: Some("foo"),
 402     file_stem: Some("foo"),
 403     extension: None
 404     );
 405
 406     t!("/",
 407     iter: ["\\"],
 408     has_root: true,
 409     is_absolute: false,
 410     parent: None,
 411     file_name: None,
 412     file_stem: None,
 413     extension: None
 414     );
 415
 416     t!("\\",
 417     iter: ["\\"],
 418     has_root: true,
 419     is_absolute: false,
 420     parent: None,
 421     file_name: None,
 422     file_stem: None,
 423     extension: None
 424     );
 425
 426     t!("c:",
 427     iter: ["c:"],
 428     has_root: false,
 429     is_absolute: false,
 430     parent: None,
 431     file_name: None,
 432     file_stem: None,
 433     extension: None
 434     );
 435
 436     t!("c:\\",
 437     iter: ["c:", "\\"],
 438     has_root: true,
 439     is_absolute: true,
 440     parent: None,
 441     file_name: None,
 442     file_stem: None,
 443     extension: None
 444     );
 445
 446     t!("c:/",
 447     iter: ["c:", "\\"],
 448     has_root: true,
 449     is_absolute: true,
 450     parent: None,
 451     file_name: None,
 452     file_stem: None,
 453     extension: None
 454     );
 455
 456     t!("/foo",
 457     iter: ["\\", "foo"],
 458     has_root: true,
 459     is_absolute: false,
 460     parent: Some("/"),
 461     file_name: Some("foo"),
 462     file_stem: Some("foo"),
 463     extension: None
 464     );
 465
 466     t!("foo/",
 467     iter: ["foo"],
 468     has_root: false,
 469     is_absolute: false,
 470     parent: Some(""),
 471     file_name: Some("foo"),
 472     file_stem: Some("foo"),
 473     extension: None
 474     );
 475
 476     t!("/foo/",
 477     iter: ["\\", "foo"],
 478     has_root: true,
 479     is_absolute: false,
 480     parent: Some("/"),
 481     file_name: Some("foo"),
 482     file_stem: Some("foo"),
 483     extension: None
 484     );
 485
 486     t!("foo/bar",
 487     iter: ["foo", "bar"],
 488     has_root: false,
 489     is_absolute: false,
 490     parent: Some("foo"),
 491     file_name: Some("bar"),
 492     file_stem: Some("bar"),
 493     extension: None
 494     );
 495
 496     t!("/foo/bar",
 497     iter: ["\\", "foo", "bar"],
 498     has_root: true,
 499     is_absolute: false,
 500     parent: Some("/foo"),
 501     file_name: Some("bar"),
 502     file_stem: Some("bar"),
 503     extension: None
 504     );
 505
 506     t!("///foo///",
 507     iter: ["\\", "foo"],
 508     has_root: true,
 509     is_absolute: false,
 510     parent: Some("/"),
 511     file_name: Some("foo"),
 512     file_stem: Some("foo"),
 513     extension: None
 514     );
 515
 516     t!("///foo///bar",
 517     iter: ["\\", "foo", "bar"],
 518     has_root: true,
 519     is_absolute: false,
 520     parent: Some("///foo"),
 521     file_name: Some("bar"),
 522     file_stem: Some("bar"),
 523     extension: None
 524     );
 525
 526     t!("./.",
 527     iter: ["."],
 528     has_root: false,
 529     is_absolute: false,
 530     parent: Some(""),
 531     file_name: None,
 532     file_stem: None,
 533     extension: None
 534     );
 535
 536     t!("/..",
 537     iter: ["\\", ".."],
 538     has_root: true,
 539     is_absolute: false,
 540     parent: Some("/"),
 541     file_name: None,
 542     file_stem: None,
 543     extension: None
 544     );
 545
 546     t!("../",
 547     iter: [".."],
 548     has_root: false,
 549     is_absolute: false,
 550     parent: Some(""),
 551     file_name: None,
 552     file_stem: None,
 553     extension: None
 554     );
 555
 556     t!("foo/.",
 557     iter: ["foo"],
 558     has_root: false,
 559     is_absolute: false,
 560     parent: Some(""),
 561     file_name: Some("foo"),
 562     file_stem: Some("foo"),
 563     extension: None
 564     );
 565
 566     t!("foo/..",
 567     iter: ["foo", ".."],
 568     has_root: false,
 569     is_absolute: false,
 570     parent: Some("foo"),
 571     file_name: None,
 572     file_stem: None,
 573     extension: None
 574     );
 575
 576     t!("foo/./",
 577     iter: ["foo"],
 578     has_root: false,
 579     is_absolute: false,
 580     parent: Some(""),
 581     file_name: Some("foo"),
 582     file_stem: Some("foo"),
 583     extension: None
 584     );
 585
 586     t!("foo/./bar",
 587     iter: ["foo", "bar"],
 588     has_root: false,
 589     is_absolute: false,
 590     parent: Some("foo"),
 591     file_name: Some("bar"),
 592     file_stem: Some("bar"),
 593     extension: None
 594     );
 595
 596     t!("foo/../",
 597     iter: ["foo", ".."],
 598     has_root: false,
 599     is_absolute: false,
 600     parent: Some("foo"),
 601     file_name: None,
 602     file_stem: None,
 603     extension: None
 604     );
 605
 606     t!("foo/../bar",
 607     iter: ["foo", "..", "bar"],
 608     has_root: false,
 609     is_absolute: false,
 610     parent: Some("foo/.."),
 611     file_name: Some("bar"),
 612     file_stem: Some("bar"),
 613     extension: None
 614     );
 615
 616     t!("./a",
 617     iter: [".", "a"],
 618     has_root: false,
 619     is_absolute: false,
 620     parent: Some("."),
 621     file_name: Some("a"),
 622     file_stem: Some("a"),
 623     extension: None
 624     );
 625
 626     t!(".",
 627     iter: ["."],
 628     has_root: false,
 629     is_absolute: false,
 630     parent: Some(""),
 631     file_name: None,
 632     file_stem: None,
 633     extension: None
 634     );
 635
 636     t!("./",
 637     iter: ["."],
 638     has_root: false,
 639     is_absolute: false,
 640     parent: Some(""),
 641     file_name: None,
 642     file_stem: None,
 643     extension: None
 644     );
 645
 646     t!("a/b",
 647     iter: ["a", "b"],
 648     has_root: false,
 649     is_absolute: false,
 650     parent: Some("a"),
 651     file_name: Some("b"),
 652     file_stem: Some("b"),
 653     extension: None
 654     );
 655
 656     t!("a//b",
 657     iter: ["a", "b"],
 658     has_root: false,
 659     is_absolute: false,
 660     parent: Some("a"),
 661     file_name: Some("b"),
 662     file_stem: Some("b"),
 663     extension: None
 664     );
 665
 666     t!("a/./b",
 667     iter: ["a", "b"],
 668     has_root: false,
 669     is_absolute: false,
 670     parent: Some("a"),
 671     file_name: Some("b"),
 672     file_stem: Some("b"),
 673     extension: None
 674     );
 675
 676     t!("a/b/c",
 677        iter: ["a", "b", "c"],
 678        has_root: false,
 679        is_absolute: false,
 680        parent: Some("a/b"),
 681        file_name: Some("c"),
 682        file_stem: Some("c"),
 683        extension: None);
 684
 685     t!("a\\b\\c",
 686     iter: ["a", "b", "c"],
 687     has_root: false,
 688     is_absolute: false,
 689     parent: Some("a\\b"),
 690     file_name: Some("c"),
 691     file_stem: Some("c"),
 692     extension: None
 693     );
 694
 695     t!("\\a",
 696     iter: ["\\", "a"],
 697     has_root: true,
 698     is_absolute: false,
 699     parent: Some("\\"),
 700     file_name: Some("a"),
 701     file_stem: Some("a"),
 702     extension: None
 703     );
 704
 705     t!("c:\\foo.txt",
 706     iter: ["c:", "\\", "foo.txt"],
 707     has_root: true,
 708     is_absolute: true,
 709     parent: Some("c:\\"),
 710     file_name: Some("foo.txt"),
 711     file_stem: Some("foo"),
 712     extension: Some("txt")
 713     );
 714
 715     t!("\\\\server\\share\\foo.txt",
 716     iter: ["\\\\server\\share", "\\", "foo.txt"],
 717     has_root: true,
 718     is_absolute: true,
 719     parent: Some("\\\\server\\share\\"),
 720     file_name: Some("foo.txt"),
 721     file_stem: Some("foo"),
 722     extension: Some("txt")
 723     );
 724
 725     t!("\\\\server\\share",
 726     iter: ["\\\\server\\share", "\\"],
 727     has_root: true,
 728     is_absolute: true,
 729     parent: None,
 730     file_name: None,
 731     file_stem: None,
 732     extension: None
 733     );
 734
 735     t!("\\\\server",
 736     iter: ["\\", "server"],
 737     has_root: true,
 738     is_absolute: false,
 739     parent: Some("\\"),
 740     file_name: Some("server"),
 741     file_stem: Some("server"),
 742     extension: None
 743     );
 744
 745     t!("\\\\?\\bar\\foo.txt",
 746     iter: ["\\\\?\\bar", "\\", "foo.txt"],
 747     has_root: true,
 748     is_absolute: true,
 749     parent: Some("\\\\?\\bar\\"),
 750     file_name: Some("foo.txt"),
 751     file_stem: Some("foo"),
 752     extension: Some("txt")
 753     );
 754
 755     t!("\\\\?\\bar",
 756     iter: ["\\\\?\\bar"],
 757     has_root: true,
 758     is_absolute: true,
 759     parent: None,
 760     file_name: None,
 761     file_stem: None,
 762     extension: None
 763     );
 764
 765     t!("\\\\?\\",
 766     iter: ["\\\\?\\"],
 767     has_root: true,
 768     is_absolute: true,
 769     parent: None,
 770     file_name: None,
 771     file_stem: None,
 772     extension: None
 773     );
 774
 775     t!("\\\\?\\UNC\\server\\share\\foo.txt",
 776     iter: ["\\\\?\\UNC\\server\\share", "\\", "foo.txt"],
 777     has_root: true,
 778     is_absolute: true,
 779     parent: Some("\\\\?\\UNC\\server\\share\\"),
 780     file_name: Some("foo.txt"),
 781     file_stem: Some("foo"),
 782     extension: Some("txt")
 783     );
 784
 785     t!("\\\\?\\UNC\\server",
 786     iter: ["\\\\?\\UNC\\server"],
 787     has_root: true,
 788     is_absolute: true,
 789     parent: None,
 790     file_name: None,
 791     file_stem: None,
 792     extension: None
 793     );
 794
 795     t!("\\\\?\\UNC\\",
 796     iter: ["\\\\?\\UNC\\"],
 797     has_root: true,
 798     is_absolute: true,
 799     parent: None,
 800     file_name: None,
 801     file_stem: None,
 802     extension: None
 803     );
 804
 805     t!("\\\\?\\C:\\foo.txt",
 806     iter: ["\\\\?\\C:", "\\", "foo.txt"],
 807     has_root: true,
 808     is_absolute: true,
 809     parent: Some("\\\\?\\C:\\"),
 810     file_name: Some("foo.txt"),
 811     file_stem: Some("foo"),
 812     extension: Some("txt")
 813     );
 814
 815     t!("\\\\?\\C:\\",
 816     iter: ["\\\\?\\C:", "\\"],
 817     has_root: true,
 818     is_absolute: true,
 819     parent: None,
 820     file_name: None,
 821     file_stem: None,
 822     extension: None
 823     );
 824
 825     t!("\\\\?\\C:",
 826     iter: ["\\\\?\\C:"],
 827     has_root: true,
 828     is_absolute: true,
 829     parent: None,
 830     file_name: None,
 831     file_stem: None,
 832     extension: None
 833     );
 834
 835     t!("\\\\?\\foo/bar",
 836     iter: ["\\\\?\\foo/bar"],
 837     has_root: true,
 838     is_absolute: true,
 839     parent: None,
 840     file_name: None,
 841     file_stem: None,
 842     extension: None
 843     );
 844
 845     t!("\\\\?\\C:/foo",
 846     iter: ["\\\\?\\C:/foo"],
 847     has_root: true,
 848     is_absolute: true,
 849     parent: None,
 850     file_name: None,
 851     file_stem: None,
 852     extension: None
 853     );
 854
 855     t!("\\\\.\\foo\\bar",
 856     iter: ["\\\\.\\foo", "\\", "bar"],
 857     has_root: true,
 858     is_absolute: true,
 859     parent: Some("\\\\.\\foo\\"),
 860     file_name: Some("bar"),
 861     file_stem: Some("bar"),
 862     extension: None
 863     );
 864
 865     t!("\\\\.\\foo",
 866     iter: ["\\\\.\\foo", "\\"],
 867     has_root: true,
 868     is_absolute: true,
 869     parent: None,
 870     file_name: None,
 871     file_stem: None,
 872     extension: None
 873     );
 874
 875     t!("\\\\.\\foo/bar",
 876     iter: ["\\\\.\\foo", "\\", "bar"],
 877     has_root: true,
 878     is_absolute: true,
 879     parent: Some("\\\\.\\foo/"),
 880     file_name: Some("bar"),
 881     file_stem: Some("bar"),
 882     extension: None
 883     );
 884
 885     t!("\\\\.\\foo\\bar/baz",
 886     iter: ["\\\\.\\foo", "\\", "bar", "baz"],
 887     has_root: true,
 888     is_absolute: true,
 889     parent: Some("\\\\.\\foo\\bar"),
 890     file_name: Some("baz"),
 891     file_stem: Some("baz"),
 892     extension: None
 893     );
 894
 895     t!("\\\\.\\",
 896     iter: ["\\\\.\\", "\\"],
 897     has_root: true,
 898     is_absolute: true,
 899     parent: None,
 900     file_name: None,
 901     file_stem: None,
 902     extension: None
 903     );
 904
 905     t!("\\\\?\\a\\b\\",
 906     iter: ["\\\\?\\a", "\\", "b"],
 907     has_root: true,
 908     is_absolute: true,
 909     parent: Some("\\\\?\\a\\"),
 910     file_name: Some("b"),
 911     file_stem: Some("b"),
 912     extension: None
 913     );
 914 }
 915
 916 #[test]
 917 pub fn test_stem_ext() {
 918     t!("foo",
 919     file_stem: Some("foo"),
 920     extension: None
 921     );
 922
 923     t!("foo.",
 924     file_stem: Some("foo"),
 925     extension: Some("")
 926     );
 927
 928     t!(".foo",
 929     file_stem: Some(".foo"),
 930     extension: None
 931     );
 932
 933     t!("foo.txt",
 934     file_stem: Some("foo"),
 935     extension: Some("txt")
 936     );
 937
 938     t!("foo.bar.txt",
 939     file_stem: Some("foo.bar"),
 940     extension: Some("txt")
 941     );
 942
 943     t!("foo.bar.",
 944     file_stem: Some("foo.bar"),
 945     extension: Some("")
 946     );
 947
 948     t!(".", file_stem: None, extension: None);
 949
 950     t!("..", file_stem: None, extension: None);
 951
 952     t!("", file_stem: None, extension: None);
 953 }
 954
 955 #[test]
 956 pub fn test_push() {
 957     macro_rules! tp(
 958         ($path:expr, $push:expr, $expected:expr) => ( {
 959             let mut actual = PathBuf::from($path);
 960             actual.push($push);
 961             assert!(actual.to_str() == Some($expected),
 962                     "pushing {:?} onto {:?}: Expected {:?}, got {:?}",
 963                     $push, $path, $expected, actual.to_str().unwrap());
 964         });
 965     );
 966
 967     if cfg!(unix) || cfg!(all(target_env = "sgx", target_vendor = "fortanix")) {
 968         tp!("", "foo", "foo");
 969         tp!("foo", "bar", "foo/bar");
 970         tp!("foo/", "bar", "foo/bar");
 971         tp!("foo//", "bar", "foo//bar");
 972         tp!("foo/.", "bar", "foo/./bar");
 973         tp!("foo./.", "bar", "foo././bar");
 974         tp!("foo", "", "foo/");
 975         tp!("foo", ".", "foo/.");
 976         tp!("foo", "..", "foo/..");
 977         tp!("foo", "/", "/");
 978         tp!("/foo/bar", "/", "/");
 979         tp!("/foo/bar", "/baz", "/baz");
 980         tp!("/foo/bar", "./baz", "/foo/bar/./baz");
 981     } else {
 982         tp!("", "foo", "foo");
 983         tp!("foo", "bar", r"foo\bar");
 984         tp!("foo/", "bar", r"foo/bar");
 985         tp!(r"foo\", "bar", r"foo\bar");
 986         tp!("foo//", "bar", r"foo//bar");
 987         tp!(r"foo\\", "bar", r"foo\\bar");
 988         tp!("foo/.", "bar", r"foo/.\bar");
 989         tp!("foo./.", "bar", r"foo./.\bar");
 990         tp!(r"foo\.", "bar", r"foo\.\bar");
 991         tp!(r"foo.\.", "bar", r"foo.\.\bar");
 992         tp!("foo", "", "foo\\");
 993         tp!("foo", ".", r"foo\.");
 994         tp!("foo", "..", r"foo\..");
 995         tp!("foo", "/", "/");
 996         tp!("foo", r"\", r"\");
 997         tp!("/foo/bar", "/", "/");
 998         tp!(r"\foo\bar", r"\", r"\");
 999         tp!("/foo/bar", "/baz", "/baz");
1000         tp!("/foo/bar", r"\baz", r"\baz");
1001         tp!("/foo/bar", "./baz", r"/foo/bar\./baz");
1002         tp!("/foo/bar", r".\baz", r"/foo/bar\.\baz");
1003
1004         tp!("c:\\", "windows", "c:\\windows");
1005         tp!("c:", "windows", "c:windows");
1006
1007         tp!("a\\b\\c", "d", "a\\b\\c\\d");
1008         tp!("\\a\\b\\c", "d", "\\a\\b\\c\\d");
1009         tp!("a\\b", "c\\d", "a\\b\\c\\d");
1010         tp!("a\\b", "\\c\\d", "\\c\\d");
1011         tp!("a\\b", ".", "a\\b\\.");
1012         tp!("a\\b", "..\\c", "a\\b\\..\\c");
1013         tp!("a\\b", "C:a.txt", "C:a.txt");
1014         tp!("a\\b", "C:\\a.txt", "C:\\a.txt");
1015         tp!("C:\\a", "C:\\b.txt", "C:\\b.txt");
1016         tp!("C:\\a\\b\\c", "C:d", "C:d");
1017         tp!("C:a\\b\\c", "C:d", "C:d");
1018         tp!("C:", r"a\b\c", r"C:a\b\c");
1019         tp!("C:", r"..\a", r"C:..\a");
1020         tp!("\\\\server\\share\\foo", "bar", "\\\\server\\share\\foo\\bar");
1021         tp!("\\\\server\\share\\foo", "C:baz", "C:baz");
1022         tp!("\\\\?\\C:\\a\\b", "C:c\\d", "C:c\\d");
1023         tp!("\\\\?\\C:a\\b", "C:c\\d", "C:c\\d");
1024         tp!("\\\\?\\C:\\a\\b", "C:\\c\\d", "C:\\c\\d");
1025         tp!("\\\\?\\foo\\bar", "baz", "\\\\?\\foo\\bar\\baz");
1026         tp!("\\\\?\\UNC\\server\\share\\foo", "bar", "\\\\?\\UNC\\server\\share\\foo\\bar");
1027         tp!("\\\\?\\UNC\\server\\share", "C:\\a", "C:\\a");
1028         tp!("\\\\?\\UNC\\server\\share", "C:a", "C:a");
1029
1030         // Note: modified from old path API
1031         tp!("\\\\?\\UNC\\server", "foo", "\\\\?\\UNC\\server\\foo");
1032
1033         tp!("C:\\a", "\\\\?\\UNC\\server\\share", "\\\\?\\UNC\\server\\share");
1034         tp!("\\\\.\\foo\\bar", "baz", "\\\\.\\foo\\bar\\baz");
1035         tp!("\\\\.\\foo\\bar", "C:a", "C:a");
1036         // again, not sure about the following, but I'm assuming \\.\ should be verbatim
1037         tp!("\\\\.\\foo", "..\\bar", "\\\\.\\foo\\..\\bar");
1038
1039         tp!("\\\\?\\C:", "foo", "\\\\?\\C:\\foo"); // this is a weird one
1040     }
1041 }
1042
1043 #[test]
1044 pub fn test_pop() {
1045     macro_rules! tp(
1046         ($path:expr, $expected:expr, $output:expr) => ( {
1047             let mut actual = PathBuf::from($path);
1048             let output = actual.pop();
1049             assert!(actual.to_str() == Some($expected) && output == $output,
1050                     "popping from {:?}: Expected {:?}/{:?}, got {:?}/{:?}",
1051                     $path, $expected, $output,
1052                     actual.to_str().unwrap(), output);
1053         });
1054     );
1055
1056     tp!("", "", false);
1057     tp!("/", "/", false);
1058     tp!("foo", "", true);
1059     tp!(".", "", true);
1060     tp!("/foo", "/", true);
1061     tp!("/foo/bar", "/foo", true);
1062     tp!("foo/bar", "foo", true);
1063     tp!("foo/.", "", true);
1064     tp!("foo//bar", "foo", true);
1065
1066     if cfg!(windows) {
1067         tp!("a\\b\\c", "a\\b", true);
1068         tp!("\\a", "\\", true);
1069         tp!("\\", "\\", false);
1070
1071         tp!("C:\\a\\b", "C:\\a", true);
1072         tp!("C:\\a", "C:\\", true);
1073         tp!("C:\\", "C:\\", false);
1074         tp!("C:a\\b", "C:a", true);
1075         tp!("C:a", "C:", true);
1076         tp!("C:", "C:", false);
1077         tp!("\\\\server\\share\\a\\b", "\\\\server\\share\\a", true);
1078         tp!("\\\\server\\share\\a", "\\\\server\\share\\", true);
1079         tp!("\\\\server\\share", "\\\\server\\share", false);
1080         tp!("\\\\?\\a\\b\\c", "\\\\?\\a\\b", true);
1081         tp!("\\\\?\\a\\b", "\\\\?\\a\\", true);
1082         tp!("\\\\?\\a", "\\\\?\\a", false);
1083         tp!("\\\\?\\C:\\a\\b", "\\\\?\\C:\\a", true);
1084         tp!("\\\\?\\C:\\a", "\\\\?\\C:\\", true);
1085         tp!("\\\\?\\C:\\", "\\\\?\\C:\\", false);
1086         tp!("\\\\?\\UNC\\server\\share\\a\\b", "\\\\?\\UNC\\server\\share\\a", true);
1087         tp!("\\\\?\\UNC\\server\\share\\a", "\\\\?\\UNC\\server\\share\\", true);
1088         tp!("\\\\?\\UNC\\server\\share", "\\\\?\\UNC\\server\\share", false);
1089         tp!("\\\\.\\a\\b\\c", "\\\\.\\a\\b", true);
1090         tp!("\\\\.\\a\\b", "\\\\.\\a\\", true);
1091         tp!("\\\\.\\a", "\\\\.\\a", false);
1092
1093         tp!("\\\\?\\a\\b\\", "\\\\?\\a\\", true);
1094     }
1095 }
1096
1097 #[test]
1098 pub fn test_set_file_name() {
1099     macro_rules! tfn(
1100             ($path:expr, $file:expr, $expected:expr) => ( {
1101             let mut p = PathBuf::from($path);
1102             p.set_file_name($file);
1103             assert!(p.to_str() == Some($expected),
1104                     "setting file name of {:?} to {:?}: Expected {:?}, got {:?}",
1105                     $path, $file, $expected,
1106                     p.to_str().unwrap());
1107         });
1108     );
1109
1110     tfn!("foo", "foo", "foo");
1111     tfn!("foo", "bar", "bar");
1112     tfn!("foo", "", "");
1113     tfn!("", "foo", "foo");
1114     if cfg!(unix) || cfg!(all(target_env = "sgx", target_vendor = "fortanix")) {
1115         tfn!(".", "foo", "./foo");
1116         tfn!("foo/", "bar", "bar");
1117         tfn!("foo/.", "bar", "bar");
1118         tfn!("..", "foo", "../foo");
1119         tfn!("foo/..", "bar", "foo/../bar");
1120         tfn!("/", "foo", "/foo");
1121     } else {
1122         tfn!(".", "foo", r".\foo");
1123         tfn!(r"foo\", "bar", r"bar");
1124         tfn!(r"foo\.", "bar", r"bar");
1125         tfn!("..", "foo", r"..\foo");
1126         tfn!(r"foo\..", "bar", r"foo\..\bar");
1127         tfn!(r"\", "foo", r"\foo");
1128     }
1129 }
1130
1131 #[test]
1132 pub fn test_set_extension() {
1133     macro_rules! tfe(
1134             ($path:expr, $ext:expr, $expected:expr, $output:expr) => ( {
1135             let mut p = PathBuf::from($path);
1136             let output = p.set_extension($ext);
1137             assert!(p.to_str() == Some($expected) && output == $output,
1138                     "setting extension of {:?} to {:?}: Expected {:?}/{:?}, got {:?}/{:?}",
1139                     $path, $ext, $expected, $output,
1140                     p.to_str().unwrap(), output);
1141         });
1142     );
1143
1144     tfe!("foo", "txt", "foo.txt", true);
1145     tfe!("foo.bar", "txt", "foo.txt", true);
1146     tfe!("foo.bar.baz", "txt", "foo.bar.txt", true);
1147     tfe!(".test", "txt", ".test.txt", true);
1148     tfe!("foo.txt", "", "foo", true);
1149     tfe!("foo", "", "foo", true);
1150     tfe!("", "foo", "", false);
1151     tfe!(".", "foo", ".", false);
1152     tfe!("foo/", "bar", "foo.bar", true);
1153     tfe!("foo/.", "bar", "foo.bar", true);
1154     tfe!("..", "foo", "..", false);
1155     tfe!("foo/..", "bar", "foo/..", false);
1156     tfe!("/", "foo", "/", false);
1157 }
1158
1159 #[test]
1160 fn test_eq_receivers() {
1161     use crate::borrow::Cow;
1162
1163     let borrowed: &Path = Path::new("foo/bar");
1164     let mut owned: PathBuf = PathBuf::new();
1165     owned.push("foo");
1166     owned.push("bar");
1167     let borrowed_cow: Cow<'_, Path> = borrowed.into();
1168     let owned_cow: Cow<'_, Path> = owned.clone().into();
1169
1170     macro_rules! t {
1171         ($($current:expr),+) => {
1172             $(
1173                 assert_eq!($current, borrowed);
1174                 assert_eq!($current, owned);
1175                 assert_eq!($current, borrowed_cow);
1176                 assert_eq!($current, owned_cow);
1177             )+
1178         }
1179     }
1180
1181     t!(borrowed, owned, borrowed_cow, owned_cow);
1182 }
1183
1184 #[test]
1185 pub fn test_compare() {
1186     use crate::collections::hash_map::DefaultHasher;
1187     use crate::hash::{Hash, Hasher};
1188
1189     fn hash<T: Hash>(t: T) -> u64 {
1190         let mut s = DefaultHasher::new();
1191         t.hash(&mut s);
1192         s.finish()
1193     }
1194
1195     macro_rules! tc(
1196         ($path1:expr, $path2:expr, eq: $eq:expr,
1197          starts_with: $starts_with:expr, ends_with: $ends_with:expr,
1198          relative_from: $relative_from:expr) => ({
1199              let path1 = Path::new($path1);
1200              let path2 = Path::new($path2);
1201
1202              let eq = path1 == path2;
1203              assert!(eq == $eq, "{:?} == {:?}, expected {:?}, got {:?}",
1204                      $path1, $path2, $eq, eq);
1205              assert!($eq == (hash(path1) == hash(path2)),
1206                      "{:?} == {:?}, expected {:?}, got {} and {}",
1207                      $path1, $path2, $eq, hash(path1), hash(path2));
1208
1209              let starts_with = path1.starts_with(path2);
1210              assert!(starts_with == $starts_with,
1211                      "{:?}.starts_with({:?}), expected {:?}, got {:?}", $path1, $path2,
1212                      $starts_with, starts_with);
1213
1214              let ends_with = path1.ends_with(path2);
1215              assert!(ends_with == $ends_with,
1216                      "{:?}.ends_with({:?}), expected {:?}, got {:?}", $path1, $path2,
1217                      $ends_with, ends_with);
1218
1219              let relative_from = path1.strip_prefix(path2)
1220                                       .map(|p| p.to_str().unwrap())
1221                                       .ok();
1222              let exp: Option<&str> = $relative_from;
1223              assert!(relative_from == exp,
1224                      "{:?}.strip_prefix({:?}), expected {:?}, got {:?}",
1225                      $path1, $path2, exp, relative_from);
1226         });
1227     );
1228
1229     tc!("", "",
1230     eq: true,
1231     starts_with: true,
1232     ends_with: true,
1233     relative_from: Some("")
1234     );
1235
1236     tc!("foo", "",
1237     eq: false,
1238     starts_with: true,
1239     ends_with: true,
1240     relative_from: Some("foo")
1241     );
1242
1243     tc!("", "foo",
1244     eq: false,
1245     starts_with: false,
1246     ends_with: false,
1247     relative_from: None
1248     );
1249
1250     tc!("foo", "foo",
1251     eq: true,
1252     starts_with: true,
1253     ends_with: true,
1254     relative_from: Some("")
1255     );
1256
1257     tc!("foo/", "foo",
1258     eq: true,
1259     starts_with: true,
1260     ends_with: true,
1261     relative_from: Some("")
1262     );
1263
1264     tc!("foo/bar", "foo",
1265     eq: false,
1266     starts_with: true,
1267     ends_with: false,
1268     relative_from: Some("bar")
1269     );
1270
1271     tc!("foo/bar/baz", "foo/bar",
1272     eq: false,
1273     starts_with: true,
1274     ends_with: false,
1275     relative_from: Some("baz")
1276     );
1277
1278     tc!("foo/bar", "foo/bar/baz",
1279     eq: false,
1280     starts_with: false,
1281     ends_with: false,
1282     relative_from: None
1283     );
1284
1285     tc!("./foo/bar/", ".",
1286     eq: false,
1287     starts_with: true,
1288     ends_with: false,
1289     relative_from: Some("foo/bar")
1290     );
1291
1292     if cfg!(windows) {
1293         tc!(r"C:\src\rust\cargo-test\test\Cargo.toml",
1294         r"c:\src\rust\cargo-test\test",
1295         eq: false,
1296         starts_with: true,
1297         ends_with: false,
1298         relative_from: Some("Cargo.toml")
1299         );
1300
1301         tc!(r"c:\foo", r"C:\foo",
1302         eq: true,
1303         starts_with: true,
1304         ends_with: true,
1305         relative_from: Some("")
1306         );
1307     }
1308 }
1309
1310 #[test]
1311 fn test_components_debug() {
1312     let path = Path::new("/tmp");
1313
1314     let mut components = path.components();
1315
1316     let expected = "Components([RootDir, Normal(\"tmp\")])";
1317     let actual = format!("{:?}", components);
1318     assert_eq!(expected, actual);
1319
1320     let _ = components.next().unwrap();
1321     let expected = "Components([Normal(\"tmp\")])";
1322     let actual = format!("{:?}", components);
1323     assert_eq!(expected, actual);
1324
1325     let _ = components.next().unwrap();
1326     let expected = "Components([])";
1327     let actual = format!("{:?}", components);
1328     assert_eq!(expected, actual);
1329 }
1330
1331 #[cfg(unix)]
1332 #[test]
1333 fn test_iter_debug() {
1334     let path = Path::new("/tmp");
1335
1336     let mut iter = path.iter();
1337
1338     let expected = "Iter([\"/\", \"tmp\"])";
1339     let actual = format!("{:?}", iter);
1340     assert_eq!(expected, actual);
1341
1342     let _ = iter.next().unwrap();
1343     let expected = "Iter([\"tmp\"])";
1344     let actual = format!("{:?}", iter);
1345     assert_eq!(expected, actual);
1346
1347     let _ = iter.next().unwrap();
1348     let expected = "Iter([])";
1349     let actual = format!("{:?}", iter);
1350     assert_eq!(expected, actual);
1351 }
1352
1353 #[test]
1354 fn into_boxed() {
1355     let orig: &str = "some/sort/of/path";
1356     let path = Path::new(orig);
1357     let boxed: Box<Path> = Box::from(path);
1358     let path_buf = path.to_owned().into_boxed_path().into_path_buf();
1359     assert_eq!(path, &*boxed);
1360     assert_eq!(&*boxed, &*path_buf);
1361     assert_eq!(&*path_buf, path);
1362 }
1363
1364 #[test]
1365 fn test_clone_into() {
1366     let mut path_buf = PathBuf::from("supercalifragilisticexpialidocious");
1367     let path = Path::new("short");
1368     path.clone_into(&mut path_buf);
1369     assert_eq!(path, path_buf);
1370     assert!(path_buf.into_os_string().capacity() >= 15);
1371 }
1372
1373 #[test]
1374 fn display_format_flags() {
1375     assert_eq!(format!("a{:#<5}b", Path::new("").display()), "a#####b");
1376     assert_eq!(format!("a{:#<5}b", Path::new("a").display()), "aa####b");
1377 }
1378
1379 #[test]
1380 fn into_rc() {
1381     let orig = "hello/world";
1382     let path = Path::new(orig);
1383     let rc: Rc<Path> = Rc::from(path);
1384     let arc: Arc<Path> = Arc::from(path);
1385
1386     assert_eq!(&*rc, path);
1387     assert_eq!(&*arc, path);
1388
1389     let rc2: Rc<Path> = Rc::from(path.to_owned());
1390     let arc2: Arc<Path> = Arc::from(path.to_owned());
1391
1392     assert_eq!(&*rc2, path);
1393     assert_eq!(&*arc2, path);
1394 }