base/file_path_unittest.cc

   1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/basictypes.h"
   6 #include "base/file_path.h"
   7 #include "base/file_util.h"
   8 #include "base/utf_string_conversions.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10 #include "testing/platform_test.h"
  11
  12 // This macro helps avoid wrapped lines in the test structs.
  13 #define FPL(x) FILE_PATH_LITERAL(x)
  14
  15 struct UnaryTestData {
  16   const FilePath::CharType* input;
  17   const FilePath::CharType* expected;
  18 };
  19
  20 struct UnaryBooleanTestData {
  21   const FilePath::CharType* input;
  22   bool expected;
  23 };
  24
  25 struct BinaryTestData {
  26   const FilePath::CharType* inputs[2];
  27   const FilePath::CharType* expected;
  28 };
  29
  30 struct BinaryBooleanTestData {
  31   const FilePath::CharType* inputs[2];
  32   bool expected;
  33 };
  34
  35 struct BinaryIntTestData {
  36   const FilePath::CharType* inputs[2];
  37   int expected;
  38 };
  39
  40 // file_util winds up using autoreleased objects on the Mac, so this needs
  41 // to be a PlatformTest
  42 class FilePathTest : public PlatformTest {
  43  protected:
  44   virtual void SetUp() {
  45     PlatformTest::SetUp();
  46   }
  47   virtual void TearDown() {
  48     PlatformTest::TearDown();
  49   }
  50 };
  51
  52 TEST_F(FilePathTest, DirName) {
  53   const struct UnaryTestData cases[] = {
  54     { FPL(""),              FPL(".") },
  55     { FPL("aa"),            FPL(".") },
  56     { FPL("/aa/bb"),        FPL("/aa") },
  57     { FPL("/aa/bb/"),       FPL("/aa") },
  58     { FPL("/aa/bb//"),      FPL("/aa") },
  59     { FPL("/aa/bb/ccc"),    FPL("/aa/bb") },
  60     { FPL("/aa"),           FPL("/") },
  61     { FPL("/aa/"),          FPL("/") },
  62     { FPL("/"),             FPL("/") },
  63     { FPL("//"),            FPL("//") },
  64     { FPL("///"),           FPL("/") },
  65     { FPL("aa/"),           FPL(".") },
  66     { FPL("aa/bb"),         FPL("aa") },
  67     { FPL("aa/bb/"),        FPL("aa") },
  68     { FPL("aa/bb//"),       FPL("aa") },
  69     { FPL("aa//bb//"),      FPL("aa") },
  70     { FPL("aa//bb/"),       FPL("aa") },
  71     { FPL("aa//bb"),        FPL("aa") },
  72     { FPL("//aa/bb"),       FPL("//aa") },
  73     { FPL("//aa/"),         FPL("//") },
  74     { FPL("//aa"),          FPL("//") },
  75     { FPL("0:"),            FPL(".") },
  76     { FPL("@:"),            FPL(".") },
  77     { FPL("[:"),            FPL(".") },
  78     { FPL("`:"),            FPL(".") },
  79     { FPL("{:"),            FPL(".") },
  80     { FPL("\xB3:"),         FPL(".") },
  81     { FPL("\xC5:"),         FPL(".") },
  82 #if defined(OS_WIN)
  83     { FPL("\x0143:"),       FPL(".") },
  84 #endif  // OS_WIN
  85 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
  86     { FPL("c:"),            FPL("c:") },
  87     { FPL("C:"),            FPL("C:") },
  88     { FPL("A:"),            FPL("A:") },
  89     { FPL("Z:"),            FPL("Z:") },
  90     { FPL("a:"),            FPL("a:") },
  91     { FPL("z:"),            FPL("z:") },
  92     { FPL("c:aa"),          FPL("c:") },
  93     { FPL("c:/"),           FPL("c:/") },
  94     { FPL("c://"),          FPL("c://") },
  95     { FPL("c:///"),         FPL("c:/") },
  96     { FPL("c:/aa"),         FPL("c:/") },
  97     { FPL("c:/aa/"),        FPL("c:/") },
  98     { FPL("c:/aa/bb"),      FPL("c:/aa") },
  99     { FPL("c:aa/bb"),       FPL("c:aa") },
 100 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 101 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 102     { FPL("\\aa\\bb"),      FPL("\\aa") },
 103     { FPL("\\aa\\bb\\"),    FPL("\\aa") },
 104     { FPL("\\aa\\bb\\\\"),  FPL("\\aa") },
 105     { FPL("\\aa\\bb\\ccc"), FPL("\\aa\\bb") },
 106     { FPL("\\aa"),          FPL("\\") },
 107     { FPL("\\aa\\"),        FPL("\\") },
 108     { FPL("\\"),            FPL("\\") },
 109     { FPL("\\\\"),          FPL("\\\\") },
 110     { FPL("\\\\\\"),        FPL("\\") },
 111     { FPL("aa\\"),          FPL(".") },
 112     { FPL("aa\\bb"),        FPL("aa") },
 113     { FPL("aa\\bb\\"),      FPL("aa") },
 114     { FPL("aa\\bb\\\\"),    FPL("aa") },
 115     { FPL("aa\\\\bb\\\\"),  FPL("aa") },
 116     { FPL("aa\\\\bb\\"),    FPL("aa") },
 117     { FPL("aa\\\\bb"),      FPL("aa") },
 118     { FPL("\\\\aa\\bb"),    FPL("\\\\aa") },
 119     { FPL("\\\\aa\\"),      FPL("\\\\") },
 120     { FPL("\\\\aa"),        FPL("\\\\") },
 121 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 122     { FPL("c:\\"),          FPL("c:\\") },
 123     { FPL("c:\\\\"),        FPL("c:\\\\") },
 124     { FPL("c:\\\\\\"),      FPL("c:\\") },
 125     { FPL("c:\\aa"),        FPL("c:\\") },
 126     { FPL("c:\\aa\\"),      FPL("c:\\") },
 127     { FPL("c:\\aa\\bb"),    FPL("c:\\aa") },
 128     { FPL("c:aa\\bb"),      FPL("c:aa") },
 129 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 130 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 131   };
 132
 133   for (size_t i = 0; i < arraysize(cases); ++i) {
 134     FilePath input(cases[i].input);
 135     FilePath observed = input.DirName();
 136     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed.value()) <<
 137               "i: " << i << ", input: " << input.value();
 138   }
 139 }
 140
 141 TEST_F(FilePathTest, BaseName) {
 142   const struct UnaryTestData cases[] = {
 143     { FPL(""),              FPL("") },
 144     { FPL("aa"),            FPL("aa") },
 145     { FPL("/aa/bb"),        FPL("bb") },
 146     { FPL("/aa/bb/"),       FPL("bb") },
 147     { FPL("/aa/bb//"),      FPL("bb") },
 148     { FPL("/aa/bb/ccc"),    FPL("ccc") },
 149     { FPL("/aa"),           FPL("aa") },
 150     { FPL("/"),             FPL("/") },
 151     { FPL("//"),            FPL("//") },
 152     { FPL("///"),           FPL("/") },
 153     { FPL("aa/"),           FPL("aa") },
 154     { FPL("aa/bb"),         FPL("bb") },
 155     { FPL("aa/bb/"),        FPL("bb") },
 156     { FPL("aa/bb//"),       FPL("bb") },
 157     { FPL("aa//bb//"),      FPL("bb") },
 158     { FPL("aa//bb/"),       FPL("bb") },
 159     { FPL("aa//bb"),        FPL("bb") },
 160     { FPL("//aa/bb"),       FPL("bb") },
 161     { FPL("//aa/"),         FPL("aa") },
 162     { FPL("//aa"),          FPL("aa") },
 163     { FPL("0:"),            FPL("0:") },
 164     { FPL("@:"),            FPL("@:") },
 165     { FPL("[:"),            FPL("[:") },
 166     { FPL("`:"),            FPL("`:") },
 167     { FPL("{:"),            FPL("{:") },
 168     { FPL("\xB3:"),         FPL("\xB3:") },
 169     { FPL("\xC5:"),         FPL("\xC5:") },
 170 #if defined(OS_WIN)
 171     { FPL("\x0143:"),       FPL("\x0143:") },
 172 #endif  // OS_WIN
 173 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 174     { FPL("c:"),            FPL("") },
 175     { FPL("C:"),            FPL("") },
 176     { FPL("A:"),            FPL("") },
 177     { FPL("Z:"),            FPL("") },
 178     { FPL("a:"),            FPL("") },
 179     { FPL("z:"),            FPL("") },
 180     { FPL("c:aa"),          FPL("aa") },
 181     { FPL("c:/"),           FPL("/") },
 182     { FPL("c://"),          FPL("//") },
 183     { FPL("c:///"),         FPL("/") },
 184     { FPL("c:/aa"),         FPL("aa") },
 185     { FPL("c:/aa/"),        FPL("aa") },
 186     { FPL("c:/aa/bb"),      FPL("bb") },
 187     { FPL("c:aa/bb"),       FPL("bb") },
 188 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 189 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 190     { FPL("\\aa\\bb"),      FPL("bb") },
 191     { FPL("\\aa\\bb\\"),    FPL("bb") },
 192     { FPL("\\aa\\bb\\\\"),  FPL("bb") },
 193     { FPL("\\aa\\bb\\ccc"), FPL("ccc") },
 194     { FPL("\\aa"),          FPL("aa") },
 195     { FPL("\\"),            FPL("\\") },
 196     { FPL("\\\\"),          FPL("\\\\") },
 197     { FPL("\\\\\\"),        FPL("\\") },
 198     { FPL("aa\\"),          FPL("aa") },
 199     { FPL("aa\\bb"),        FPL("bb") },
 200     { FPL("aa\\bb\\"),      FPL("bb") },
 201     { FPL("aa\\bb\\\\"),    FPL("bb") },
 202     { FPL("aa\\\\bb\\\\"),  FPL("bb") },
 203     { FPL("aa\\\\bb\\"),    FPL("bb") },
 204     { FPL("aa\\\\bb"),      FPL("bb") },
 205     { FPL("\\\\aa\\bb"),    FPL("bb") },
 206     { FPL("\\\\aa\\"),      FPL("aa") },
 207     { FPL("\\\\aa"),        FPL("aa") },
 208 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 209     { FPL("c:\\"),          FPL("\\") },
 210     { FPL("c:\\\\"),        FPL("\\\\") },
 211     { FPL("c:\\\\\\"),      FPL("\\") },
 212     { FPL("c:\\aa"),        FPL("aa") },
 213     { FPL("c:\\aa\\"),      FPL("aa") },
 214     { FPL("c:\\aa\\bb"),    FPL("bb") },
 215     { FPL("c:aa\\bb"),      FPL("bb") },
 216 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 217 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 218   };
 219
 220   for (size_t i = 0; i < arraysize(cases); ++i) {
 221     FilePath input(cases[i].input);
 222     FilePath observed = input.BaseName();
 223     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed.value()) <<
 224               "i: " << i << ", input: " << input.value();
 225   }
 226 }
 227
 228 TEST_F(FilePathTest, Append) {
 229   const struct BinaryTestData cases[] = {
 230     { { FPL(""),           FPL("cc") }, FPL("cc") },
 231     { { FPL("."),          FPL("ff") }, FPL("ff") },
 232     { { FPL("/"),          FPL("cc") }, FPL("/cc") },
 233     { { FPL("/aa"),        FPL("") },   FPL("/aa") },
 234     { { FPL("/aa/"),       FPL("") },   FPL("/aa") },
 235     { { FPL("//aa"),       FPL("") },   FPL("//aa") },
 236     { { FPL("//aa/"),      FPL("") },   FPL("//aa") },
 237     { { FPL("//"),         FPL("aa") }, FPL("//aa") },
 238 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 239     { { FPL("c:"),         FPL("a") },  FPL("c:a") },
 240     { { FPL("c:"),         FPL("") },   FPL("c:") },
 241     { { FPL("c:/"),        FPL("a") },  FPL("c:/a") },
 242     { { FPL("c://"),       FPL("a") },  FPL("c://a") },
 243     { { FPL("c:///"),      FPL("a") },  FPL("c:/a") },
 244 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 245 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 246     // Append introduces the default separator character, so these test cases
 247     // need to be defined with different expected results on platforms that use
 248     // different default separator characters.
 249     { { FPL("\\"),         FPL("cc") }, FPL("\\cc") },
 250     { { FPL("\\aa"),       FPL("") },   FPL("\\aa") },
 251     { { FPL("\\aa\\"),     FPL("") },   FPL("\\aa") },
 252     { { FPL("\\\\aa"),     FPL("") },   FPL("\\\\aa") },
 253     { { FPL("\\\\aa\\"),   FPL("") },   FPL("\\\\aa") },
 254     { { FPL("\\\\"),       FPL("aa") }, FPL("\\\\aa") },
 255     { { FPL("/aa/bb"),     FPL("cc") }, FPL("/aa/bb\\cc") },
 256     { { FPL("/aa/bb/"),    FPL("cc") }, FPL("/aa/bb\\cc") },
 257     { { FPL("aa/bb/"),     FPL("cc") }, FPL("aa/bb\\cc") },
 258     { { FPL("aa/bb"),      FPL("cc") }, FPL("aa/bb\\cc") },
 259     { { FPL("a/b"),        FPL("c") },  FPL("a/b\\c") },
 260     { { FPL("a/b/"),       FPL("c") },  FPL("a/b\\c") },
 261     { { FPL("//aa"),       FPL("bb") }, FPL("//aa\\bb") },
 262     { { FPL("//aa/"),      FPL("bb") }, FPL("//aa\\bb") },
 263     { { FPL("\\aa\\bb"),   FPL("cc") }, FPL("\\aa\\bb\\cc") },
 264     { { FPL("\\aa\\bb\\"), FPL("cc") }, FPL("\\aa\\bb\\cc") },
 265     { { FPL("aa\\bb\\"),   FPL("cc") }, FPL("aa\\bb\\cc") },
 266     { { FPL("aa\\bb"),     FPL("cc") }, FPL("aa\\bb\\cc") },
 267     { { FPL("a\\b"),       FPL("c") },  FPL("a\\b\\c") },
 268     { { FPL("a\\b\\"),     FPL("c") },  FPL("a\\b\\c") },
 269     { { FPL("\\\\aa"),     FPL("bb") }, FPL("\\\\aa\\bb") },
 270     { { FPL("\\\\aa\\"),   FPL("bb") }, FPL("\\\\aa\\bb") },
 271 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 272     { { FPL("c:\\"),       FPL("a") },  FPL("c:\\a") },
 273     { { FPL("c:\\\\"),     FPL("a") },  FPL("c:\\\\a") },
 274     { { FPL("c:\\\\\\"),   FPL("a") },  FPL("c:\\a") },
 275     { { FPL("c:\\"),       FPL("") },   FPL("c:\\") },
 276     { { FPL("c:\\a"),      FPL("b") },  FPL("c:\\a\\b") },
 277     { { FPL("c:\\a\\"),    FPL("b") },  FPL("c:\\a\\b") },
 278 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 279 #else  // FILE_PATH_USES_WIN_SEPARATORS
 280     { { FPL("/aa/bb"),     FPL("cc") }, FPL("/aa/bb/cc") },
 281     { { FPL("/aa/bb/"),    FPL("cc") }, FPL("/aa/bb/cc") },
 282     { { FPL("aa/bb/"),     FPL("cc") }, FPL("aa/bb/cc") },
 283     { { FPL("aa/bb"),      FPL("cc") }, FPL("aa/bb/cc") },
 284     { { FPL("a/b"),        FPL("c") },  FPL("a/b/c") },
 285     { { FPL("a/b/"),       FPL("c") },  FPL("a/b/c") },
 286     { { FPL("//aa"),       FPL("bb") }, FPL("//aa/bb") },
 287     { { FPL("//aa/"),      FPL("bb") }, FPL("//aa/bb") },
 288 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 289     { { FPL("c:/"),        FPL("a") },  FPL("c:/a") },
 290     { { FPL("c:/"),        FPL("") },   FPL("c:/") },
 291     { { FPL("c:/a"),       FPL("b") },  FPL("c:/a/b") },
 292     { { FPL("c:/a/"),      FPL("b") },  FPL("c:/a/b") },
 293 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 294 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 295   };
 296
 297   for (size_t i = 0; i < arraysize(cases); ++i) {
 298     FilePath root(cases[i].inputs[0]);
 299     FilePath::StringType leaf(cases[i].inputs[1]);
 300     FilePath observed_str = root.Append(leaf);
 301     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed_str.value()) <<
 302               "i: " << i << ", root: " << root.value() << ", leaf: " << leaf;
 303     FilePath observed_path = root.Append(FilePath(leaf));
 304     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed_path.value()) <<
 305               "i: " << i << ", root: " << root.value() << ", leaf: " << leaf;
 306
 307     // TODO(erikkay): It would be nice to have a unicode test append value to
 308     // handle the case when AppendASCII is passed UTF8
 309 #if defined(OS_WIN)
 310     std::string ascii = WideToUTF8(leaf);
 311 #elif defined(OS_POSIX)
 312     std::string ascii = leaf;
 313 #endif
 314     observed_str = root.AppendASCII(ascii);
 315     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed_str.value()) <<
 316               "i: " << i << ", root: " << root.value() << ", leaf: " << leaf;
 317   }
 318 }
 319
 320 TEST_F(FilePathTest, StripTrailingSeparators) {
 321   const struct UnaryTestData cases[] = {
 322     { FPL(""),              FPL("") },
 323     { FPL("/"),             FPL("/") },
 324     { FPL("//"),            FPL("//") },
 325     { FPL("///"),           FPL("/") },
 326     { FPL("////"),          FPL("/") },
 327     { FPL("a/"),            FPL("a") },
 328     { FPL("a//"),           FPL("a") },
 329     { FPL("a///"),          FPL("a") },
 330     { FPL("a////"),         FPL("a") },
 331     { FPL("/a"),            FPL("/a") },
 332     { FPL("/a/"),           FPL("/a") },
 333     { FPL("/a//"),          FPL("/a") },
 334     { FPL("/a///"),         FPL("/a") },
 335     { FPL("/a////"),        FPL("/a") },
 336 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 337     { FPL("c:"),            FPL("c:") },
 338     { FPL("c:/"),           FPL("c:/") },
 339     { FPL("c://"),          FPL("c://") },
 340     { FPL("c:///"),         FPL("c:/") },
 341     { FPL("c:////"),        FPL("c:/") },
 342     { FPL("c:/a"),          FPL("c:/a") },
 343     { FPL("c:/a/"),         FPL("c:/a") },
 344     { FPL("c:/a//"),        FPL("c:/a") },
 345     { FPL("c:/a///"),       FPL("c:/a") },
 346     { FPL("c:/a////"),      FPL("c:/a") },
 347 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 348 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 349     { FPL("\\"),            FPL("\\") },
 350     { FPL("\\\\"),          FPL("\\\\") },
 351     { FPL("\\\\\\"),        FPL("\\") },
 352     { FPL("\\\\\\\\"),      FPL("\\") },
 353     { FPL("a\\"),           FPL("a") },
 354     { FPL("a\\\\"),         FPL("a") },
 355     { FPL("a\\\\\\"),       FPL("a") },
 356     { FPL("a\\\\\\\\"),     FPL("a") },
 357     { FPL("\\a"),           FPL("\\a") },
 358     { FPL("\\a\\"),         FPL("\\a") },
 359     { FPL("\\a\\\\"),       FPL("\\a") },
 360     { FPL("\\a\\\\\\"),     FPL("\\a") },
 361     { FPL("\\a\\\\\\\\"),   FPL("\\a") },
 362 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 363     { FPL("c:\\"),          FPL("c:\\") },
 364     { FPL("c:\\\\"),        FPL("c:\\\\") },
 365     { FPL("c:\\\\\\"),      FPL("c:\\") },
 366     { FPL("c:\\\\\\\\"),    FPL("c:\\") },
 367     { FPL("c:\\a"),         FPL("c:\\a") },
 368     { FPL("c:\\a\\"),       FPL("c:\\a") },
 369     { FPL("c:\\a\\\\"),     FPL("c:\\a") },
 370     { FPL("c:\\a\\\\\\"),   FPL("c:\\a") },
 371     { FPL("c:\\a\\\\\\\\"), FPL("c:\\a") },
 372 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 373 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 374   };
 375
 376   for (size_t i = 0; i < arraysize(cases); ++i) {
 377     FilePath input(cases[i].input);
 378     FilePath observed = input.StripTrailingSeparators();
 379     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed.value()) <<
 380               "i: " << i << ", input: " << input.value();
 381   }
 382 }
 383
 384 TEST_F(FilePathTest, IsAbsolute) {
 385   const struct UnaryBooleanTestData cases[] = {
 386     { FPL(""),       false },
 387     { FPL("a"),      false },
 388     { FPL("c:"),     false },
 389     { FPL("c:a"),    false },
 390     { FPL("a/b"),    false },
 391     { FPL("//"),     true },
 392     { FPL("//a"),    true },
 393     { FPL("c:a/b"),  false },
 394     { FPL("?:/a"),   false },
 395 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 396     { FPL("/"),      false },
 397     { FPL("/a"),     false },
 398     { FPL("/."),     false },
 399     { FPL("/.."),    false },
 400     { FPL("c:/"),    true },
 401     { FPL("c:/a"),   true },
 402     { FPL("c:/."),   true },
 403     { FPL("c:/.."),  true },
 404     { FPL("C:/a"),   true },
 405     { FPL("d:/a"),   true },
 406 #else  // FILE_PATH_USES_DRIVE_LETTERS
 407     { FPL("/"),      true },
 408     { FPL("/a"),     true },
 409     { FPL("/."),     true },
 410     { FPL("/.."),    true },
 411     { FPL("c:/"),    false },
 412 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 413 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 414     { FPL("a\\b"),   false },
 415     { FPL("\\\\"),   true },
 416     { FPL("\\\\a"),  true },
 417     { FPL("a\\b"),   false },
 418     { FPL("\\\\"),   true },
 419     { FPL("//a"),    true },
 420     { FPL("c:a\\b"), false },
 421     { FPL("?:\\a"),  false },
 422 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 423     { FPL("\\"),     false },
 424     { FPL("\\a"),    false },
 425     { FPL("\\."),    false },
 426     { FPL("\\.."),   false },
 427     { FPL("c:\\"),   true },
 428     { FPL("c:\\"),   true },
 429     { FPL("c:\\a"),  true },
 430     { FPL("c:\\."),  true },
 431     { FPL("c:\\.."), true },
 432     { FPL("C:\\a"),  true },
 433     { FPL("d:\\a"),  true },
 434 #else  // FILE_PATH_USES_DRIVE_LETTERS
 435     { FPL("\\"),     true },
 436     { FPL("\\a"),    true },
 437     { FPL("\\."),    true },
 438     { FPL("\\.."),   true },
 439     { FPL("c:\\"),   false },
 440 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 441 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 442   };
 443
 444   for (size_t i = 0; i < arraysize(cases); ++i) {
 445     FilePath input(cases[i].input);
 446     bool observed = input.IsAbsolute();
 447     EXPECT_EQ(cases[i].expected, observed) <<
 448               "i: " << i << ", input: " << input.value();
 449   }
 450 }
 451
 452 TEST_F(FilePathTest, PathComponentsTest) {
 453   const struct UnaryTestData cases[] = {
 454     { FPL("//foo/bar/baz/"),          FPL("|//|foo|bar|baz")},
 455     { FPL("///"),                     FPL("|/")},
 456     { FPL("/foo//bar//baz/"),         FPL("|/|foo|bar|baz")},
 457     { FPL("/foo/bar/baz/"),           FPL("|/|foo|bar|baz")},
 458     { FPL("/foo/bar/baz//"),          FPL("|/|foo|bar|baz")},
 459     { FPL("/foo/bar/baz///"),         FPL("|/|foo|bar|baz")},
 460     { FPL("/foo/bar/baz"),            FPL("|/|foo|bar|baz")},
 461     { FPL("/foo/bar.bot/baz.txt"),    FPL("|/|foo|bar.bot|baz.txt")},
 462     { FPL("//foo//bar/baz"),          FPL("|//|foo|bar|baz")},
 463     { FPL("/"),                       FPL("|/")},
 464     { FPL("foo"),                     FPL("|foo")},
 465     { FPL(""),                        FPL("")},
 466 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 467     { FPL("e:/foo"),                  FPL("|e:|/|foo")},
 468     { FPL("e:/"),                     FPL("|e:|/")},
 469     { FPL("e:"),                      FPL("|e:")},
 470 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 471 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 472     { FPL("../foo"),                  FPL("|..|foo")},
 473     { FPL("./foo"),                   FPL("|foo")},
 474     { FPL("../foo/bar/"),             FPL("|..|foo|bar") },
 475     { FPL("\\\\foo\\bar\\baz\\"),     FPL("|\\\\|foo|bar|baz")},
 476     { FPL("\\\\\\"),                  FPL("|\\")},
 477     { FPL("\\foo\\\\bar\\\\baz\\"),   FPL("|\\|foo|bar|baz")},
 478     { FPL("\\foo\\bar\\baz\\"),       FPL("|\\|foo|bar|baz")},
 479     { FPL("\\foo\\bar\\baz\\\\"),     FPL("|\\|foo|bar|baz")},
 480     { FPL("\\foo\\bar\\baz\\\\\\"),   FPL("|\\|foo|bar|baz")},
 481     { FPL("\\foo\\bar\\baz"),         FPL("|\\|foo|bar|baz")},
 482     { FPL("\\foo\\bar/baz\\\\\\"),    FPL("|\\|foo|bar|baz")},
 483     { FPL("/foo\\bar\\baz"),          FPL("|/|foo|bar|baz")},
 484     { FPL("\\foo\\bar.bot\\baz.txt"), FPL("|\\|foo|bar.bot|baz.txt")},
 485     { FPL("\\\\foo\\\\bar\\baz"),     FPL("|\\\\|foo|bar|baz")},
 486     { FPL("\\"),                      FPL("|\\")},
 487 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 488   };
 489
 490   for (size_t i = 0; i < arraysize(cases); ++i) {
 491     FilePath input(cases[i].input);
 492     std::vector<FilePath::StringType> comps;
 493     input.GetComponents(&comps);
 494
 495     FilePath::StringType observed;
 496     for (size_t j = 0; j < comps.size(); ++j) {
 497       observed.append(FILE_PATH_LITERAL("|"), 1);
 498       observed.append(comps[j]);
 499     }
 500     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed) <<
 501               "i: " << i << ", input: " << input.value();
 502   }
 503 }
 504
 505 TEST_F(FilePathTest, IsParentTest) {
 506   const struct BinaryBooleanTestData cases[] = {
 507     { { FPL("/"),             FPL("/foo/bar/baz") },      true},
 508     { { FPL("/foo/bar"),      FPL("/foo/bar/baz") },      true},
 509     { { FPL("/foo/bar/"),     FPL("/foo/bar/baz") },      true},
 510     { { FPL("//foo/bar/"),    FPL("//foo/bar/baz") },     true},
 511     { { FPL("/foo/bar"),      FPL("/foo2/bar/baz") },     false},
 512     { { FPL("/foo/bar.txt"),  FPL("/foo/bar/baz") },      false},
 513     { { FPL("/foo/bar"),      FPL("/foo/bar2/baz") },     false},
 514     { { FPL("/foo/bar"),      FPL("/foo/bar") },          false},
 515     { { FPL("/foo/bar/baz"),  FPL("/foo/bar") },          false},
 516     { { FPL("foo/bar"),       FPL("foo/bar/baz") },       true},
 517     { { FPL("foo/bar"),       FPL("foo2/bar/baz") },      false},
 518     { { FPL("foo/bar"),       FPL("foo/bar2/baz") },      false},
 519     { { FPL(""),              FPL("foo") },               false},
 520 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 521     { { FPL("c:/foo/bar"),    FPL("c:/foo/bar/baz") },    true},
 522     { { FPL("E:/foo/bar"),    FPL("e:/foo/bar/baz") },    true},
 523     { { FPL("f:/foo/bar"),    FPL("F:/foo/bar/baz") },    true},
 524     { { FPL("E:/Foo/bar"),    FPL("e:/foo/bar/baz") },    false},
 525     { { FPL("f:/foo/bar"),    FPL("F:/foo/Bar/baz") },    false},
 526     { { FPL("c:/"),           FPL("c:/foo/bar/baz") },    true},
 527     { { FPL("c:"),            FPL("c:/foo/bar/baz") },    true},
 528     { { FPL("c:/foo/bar"),    FPL("d:/foo/bar/baz") },    false},
 529     { { FPL("c:/foo/bar"),    FPL("D:/foo/bar/baz") },    false},
 530     { { FPL("C:/foo/bar"),    FPL("d:/foo/bar/baz") },    false},
 531     { { FPL("c:/foo/bar"),    FPL("c:/foo2/bar/baz") },   false},
 532     { { FPL("e:/foo/bar"),    FPL("E:/foo2/bar/baz") },   false},
 533     { { FPL("F:/foo/bar"),    FPL("f:/foo2/bar/baz") },   false},
 534     { { FPL("c:/foo/bar"),    FPL("c:/foo/bar2/baz") },   false},
 535 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 536 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 537     { { FPL("\\foo\\bar"),    FPL("\\foo\\bar\\baz") },   true},
 538     { { FPL("\\foo/bar"),     FPL("\\foo\\bar\\baz") },   true},
 539     { { FPL("\\foo/bar"),     FPL("\\foo/bar/baz") },     true},
 540     { { FPL("\\"),            FPL("\\foo\\bar\\baz") },   true},
 541     { { FPL(""),              FPL("\\foo\\bar\\baz") },   false},
 542     { { FPL("\\foo\\bar"),    FPL("\\foo2\\bar\\baz") },  false},
 543     { { FPL("\\foo\\bar"),    FPL("\\foo\\bar2\\baz") },  false},
 544 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 545   };
 546
 547   for (size_t i = 0; i < arraysize(cases); ++i) {
 548     FilePath parent(cases[i].inputs[0]);
 549     FilePath child(cases[i].inputs[1]);
 550
 551     EXPECT_EQ(parent.IsParent(child), cases[i].expected) <<
 552         "i: " << i << ", parent: " << parent.value() << ", child: " <<
 553         child.value();
 554   }
 555 }
 556
 557 TEST_F(FilePathTest, AppendRelativePathTest) {
 558   const struct BinaryTestData cases[] = {
 559 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 560     { { FPL("/"),             FPL("/foo/bar/baz") },      FPL("foo\\bar\\baz")},
 561 #else  // FILE_PATH_USES_WIN_SEPARATORS
 562     { { FPL("/"),             FPL("/foo/bar/baz") },      FPL("foo/bar/baz")},
 563 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 564     { { FPL("/foo/bar"),      FPL("/foo/bar/baz") },      FPL("baz")},
 565     { { FPL("/foo/bar/"),     FPL("/foo/bar/baz") },      FPL("baz")},
 566     { { FPL("//foo/bar/"),    FPL("//foo/bar/baz") },     FPL("baz")},
 567     { { FPL("/foo/bar"),      FPL("/foo2/bar/baz") },     FPL("")},
 568     { { FPL("/foo/bar.txt"),  FPL("/foo/bar/baz") },      FPL("")},
 569     { { FPL("/foo/bar"),      FPL("/foo/bar2/baz") },     FPL("")},
 570     { { FPL("/foo/bar"),      FPL("/foo/bar") },          FPL("")},
 571     { { FPL("/foo/bar/baz"),  FPL("/foo/bar") },          FPL("")},
 572     { { FPL("foo/bar"),       FPL("foo/bar/baz") },       FPL("baz")},
 573     { { FPL("foo/bar"),       FPL("foo2/bar/baz") },      FPL("")},
 574     { { FPL("foo/bar"),       FPL("foo/bar2/baz") },      FPL("")},
 575     { { FPL(""),              FPL("foo") },               FPL("")},
 576 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 577     { { FPL("c:/foo/bar"),    FPL("c:/foo/bar/baz") },    FPL("baz")},
 578     { { FPL("E:/foo/bar"),    FPL("e:/foo/bar/baz") },    FPL("baz")},
 579     { { FPL("f:/foo/bar"),    FPL("F:/foo/bar/baz") },    FPL("baz")},
 580     { { FPL("E:/Foo/bar"),    FPL("e:/foo/bar/baz") },    FPL("")},
 581     { { FPL("f:/foo/bar"),    FPL("F:/foo/Bar/baz") },    FPL("")},
 582 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 583     { { FPL("c:/"),           FPL("c:/foo/bar/baz") },    FPL("foo\\bar\\baz")},
 584     // TODO(akalin): Figure out how to handle the corner case in the
 585     // commented-out test case below.  Appending to an empty path gives
 586     // /foo\bar\baz but appending to a nonempty path "blah" gives
 587     // blah\foo\bar\baz.
 588     // { { FPL("c:"),            FPL("c:/foo/bar/baz") }, FPL("foo\\bar\\baz")},
 589 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 590     { { FPL("c:/foo/bar"),    FPL("d:/foo/bar/baz") },    FPL("")},
 591     { { FPL("c:/foo/bar"),    FPL("D:/foo/bar/baz") },    FPL("")},
 592     { { FPL("C:/foo/bar"),    FPL("d:/foo/bar/baz") },    FPL("")},
 593     { { FPL("c:/foo/bar"),    FPL("c:/foo2/bar/baz") },   FPL("")},
 594     { { FPL("e:/foo/bar"),    FPL("E:/foo2/bar/baz") },   FPL("")},
 595     { { FPL("F:/foo/bar"),    FPL("f:/foo2/bar/baz") },   FPL("")},
 596     { { FPL("c:/foo/bar"),    FPL("c:/foo/bar2/baz") },   FPL("")},
 597 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 598 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 599     { { FPL("\\foo\\bar"),    FPL("\\foo\\bar\\baz") },   FPL("baz")},
 600     { { FPL("\\foo/bar"),     FPL("\\foo\\bar\\baz") },   FPL("baz")},
 601     { { FPL("\\foo/bar"),     FPL("\\foo/bar/baz") },     FPL("baz")},
 602     { { FPL("\\"),            FPL("\\foo\\bar\\baz") },   FPL("foo\\bar\\baz")},
 603     { { FPL(""),              FPL("\\foo\\bar\\baz") },   FPL("")},
 604     { { FPL("\\foo\\bar"),    FPL("\\foo2\\bar\\baz") },  FPL("")},
 605     { { FPL("\\foo\\bar"),    FPL("\\foo\\bar2\\baz") },  FPL("")},
 606 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 607   };
 608
 609   const FilePath base(FPL("blah"));
 610
 611   for (size_t i = 0; i < arraysize(cases); ++i) {
 612     FilePath parent(cases[i].inputs[0]);
 613     FilePath child(cases[i].inputs[1]);
 614     {
 615       FilePath result;
 616       bool success = parent.AppendRelativePath(child, &result);
 617       EXPECT_EQ(cases[i].expected[0] != '\0', success) <<
 618         "i: " << i << ", parent: " << parent.value() << ", child: " <<
 619         child.value();
 620       EXPECT_STREQ(cases[i].expected, result.value().c_str()) <<
 621         "i: " << i << ", parent: " << parent.value() << ", child: " <<
 622         child.value();
 623     }
 624     {
 625       FilePath result(base);
 626       bool success = parent.AppendRelativePath(child, &result);
 627       EXPECT_EQ(cases[i].expected[0] != '\0', success) <<
 628         "i: " << i << ", parent: " << parent.value() << ", child: " <<
 629         child.value();
 630       EXPECT_EQ(base.Append(cases[i].expected).value(), result.value()) <<
 631         "i: " << i << ", parent: " << parent.value() << ", child: " <<
 632         child.value();
 633     }
 634   }
 635 }
 636
 637 TEST_F(FilePathTest, EqualityTest) {
 638   const struct BinaryBooleanTestData cases[] = {
 639     { { FPL("/foo/bar/baz"),  FPL("/foo/bar/baz") },      true},
 640     { { FPL("/foo/bar"),      FPL("/foo/bar/baz") },      false},
 641     { { FPL("/foo/bar/baz"),  FPL("/foo/bar") },          false},
 642     { { FPL("//foo/bar/"),    FPL("//foo/bar/") },        true},
 643     { { FPL("/foo/bar"),      FPL("/foo2/bar") },         false},
 644     { { FPL("/foo/bar.txt"),  FPL("/foo/bar") },          false},
 645     { { FPL("foo/bar"),       FPL("foo/bar") },           true},
 646     { { FPL("foo/bar"),       FPL("foo/bar/baz") },       false},
 647     { { FPL(""),              FPL("foo") },               false},
 648 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 649     { { FPL("c:/foo/bar"),    FPL("c:/foo/bar") },        true},
 650     { { FPL("E:/foo/bar"),    FPL("e:/foo/bar") },        true},
 651     { { FPL("f:/foo/bar"),    FPL("F:/foo/bar") },        true},
 652     { { FPL("E:/Foo/bar"),    FPL("e:/foo/bar") },        false},
 653     { { FPL("f:/foo/bar"),    FPL("F:/foo/Bar") },        false},
 654     { { FPL("c:/"),           FPL("c:/") },               true},
 655     { { FPL("c:"),            FPL("c:") },                true},
 656     { { FPL("c:/foo/bar"),    FPL("d:/foo/bar") },        false},
 657     { { FPL("c:/foo/bar"),    FPL("D:/foo/bar") },        false},
 658     { { FPL("C:/foo/bar"),    FPL("d:/foo/bar") },        false},
 659     { { FPL("c:/foo/bar"),    FPL("c:/foo2/bar") },       false},
 660 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 661 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 662     { { FPL("\\foo\\bar"),    FPL("\\foo\\bar") },        true},
 663     { { FPL("\\foo/bar"),     FPL("\\foo/bar") },         true},
 664     { { FPL("\\foo/bar"),     FPL("\\foo\\bar") },        false},
 665     { { FPL("\\"),            FPL("\\") },                true},
 666     { { FPL("\\"),            FPL("/") },                 false},
 667     { { FPL(""),              FPL("\\") },                false},
 668     { { FPL("\\foo\\bar"),    FPL("\\foo2\\bar") },       false},
 669     { { FPL("\\foo\\bar"),    FPL("\\foo\\bar2") },       false},
 670 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 671     { { FPL("c:\\foo\\bar"),    FPL("c:\\foo\\bar") },    true},
 672     { { FPL("E:\\foo\\bar"),    FPL("e:\\foo\\bar") },    true},
 673     { { FPL("f:\\foo\\bar"),    FPL("F:\\foo/bar") },     false},
 674 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 675 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 676   };
 677
 678   for (size_t i = 0; i < arraysize(cases); ++i) {
 679     FilePath a(cases[i].inputs[0]);
 680     FilePath b(cases[i].inputs[1]);
 681
 682     EXPECT_EQ(a == b, cases[i].expected) <<
 683       "equality i: " << i << ", a: " << a.value() << ", b: " <<
 684       b.value();
 685   }
 686
 687   for (size_t i = 0; i < arraysize(cases); ++i) {
 688     FilePath a(cases[i].inputs[0]);
 689     FilePath b(cases[i].inputs[1]);
 690
 691     EXPECT_EQ(a != b, !cases[i].expected) <<
 692       "inequality i: " << i << ", a: " << a.value() << ", b: " <<
 693       b.value();
 694   }
 695 }
 696
 697 TEST_F(FilePathTest, Extension) {
 698   FilePath base_dir(FILE_PATH_LITERAL("base_dir"));
 699
 700   FilePath jpg = base_dir.Append(FILE_PATH_LITERAL("foo.jpg"));
 701   EXPECT_EQ(FILE_PATH_LITERAL(".jpg"), jpg.Extension());
 702
 703   FilePath base = jpg.BaseName().RemoveExtension();
 704   EXPECT_EQ(FILE_PATH_LITERAL("foo"), base.value());
 705
 706   FilePath path_no_ext = base_dir.Append(base);
 707   EXPECT_EQ(path_no_ext.value(), jpg.RemoveExtension().value());
 708
 709   EXPECT_EQ(path_no_ext.value(), path_no_ext.RemoveExtension().value());
 710   EXPECT_EQ(FILE_PATH_LITERAL(""), path_no_ext.Extension());
 711 }
 712
 713 TEST_F(FilePathTest, Extension2) {
 714   const struct UnaryTestData cases[] = {
 715 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 716     { FPL("C:\\a\\b\\c.ext"),        FPL(".ext") },
 717     { FPL("C:\\a\\b\\c."),           FPL(".") },
 718     { FPL("C:\\a\\b\\c"),            FPL("") },
 719     { FPL("C:\\a\\b\\"),             FPL("") },
 720     { FPL("C:\\a\\b.\\"),            FPL(".") },
 721     { FPL("C:\\a\\b\\c.ext1.ext2"),  FPL(".ext2") },
 722     { FPL("C:\\foo.bar\\\\\\"),      FPL(".bar") },
 723     { FPL("C:\\foo.bar\\.."),        FPL("") },
 724     { FPL("C:\\foo.bar\\..\\\\"),    FPL("") },
 725 #endif
 726     { FPL("/foo/bar/baz.ext"),       FPL(".ext") },
 727     { FPL("/foo/bar/baz."),          FPL(".") },
 728     { FPL("/foo/bar/baz.."),         FPL(".") },
 729     { FPL("/foo/bar/baz"),           FPL("") },
 730     { FPL("/foo/bar/"),              FPL("") },
 731     { FPL("/foo/bar./"),             FPL(".") },
 732     { FPL("/foo/bar/baz.ext1.ext2"), FPL(".ext2") },
 733     { FPL("/foo.tar.gz"),            FPL(".tar.gz") },
 734     { FPL("/foo.tar.Z"),             FPL(".tar.Z") },
 735     { FPL("/foo.tar.bz2"),           FPL(".tar.bz2") },
 736     { FPL("/subversion-1.6.12.zip"), FPL(".zip") },
 737     { FPL("/foo.1234.gz"),           FPL(".1234.gz") },
 738     { FPL("/foo.12345.gz"),          FPL(".gz") },
 739     { FPL("/foo..gz"),               FPL(".gz") },
 740     { FPL("/foo.1234.tar.gz"),       FPL(".tar.gz") },
 741     { FPL("/foo.tar.tar.gz"),        FPL(".tar.gz") },
 742     { FPL("/foo.tar.gz.gz"),         FPL(".gz.gz") },
 743     { FPL("."),                      FPL("") },
 744     { FPL(".."),                     FPL("") },
 745     { FPL("./foo"),                  FPL("") },
 746     { FPL("./foo.ext"),              FPL(".ext") },
 747     { FPL("/foo.ext1/bar.ext2"),     FPL(".ext2") },
 748     { FPL("/foo.bar////"),           FPL(".bar") },
 749     { FPL("/foo.bar/.."),            FPL("") },
 750     { FPL("/foo.bar/..////"),        FPL("") },
 751   };
 752   for (unsigned int i = 0; i < arraysize(cases); ++i) {
 753     FilePath path(cases[i].input);
 754     FilePath::StringType extension = path.Extension();
 755     EXPECT_STREQ(cases[i].expected, extension.c_str()) << "i: " << i <<
 756         ", path: " << path.value();
 757   }
 758 }
 759
 760 TEST_F(FilePathTest, InsertBeforeExtension) {
 761   const struct BinaryTestData cases[] = {
 762     { { FPL(""),                FPL("") },        FPL("") },
 763     { { FPL(""),                FPL("txt") },     FPL("") },
 764     { { FPL("."),               FPL("txt") },     FPL("") },
 765     { { FPL(".."),              FPL("txt") },     FPL("") },
 766     { { FPL("foo.dll"),         FPL("txt") },     FPL("footxt.dll") },
 767     { { FPL("."),               FPL("") },        FPL(".") },
 768     { { FPL("foo.dll"),         FPL(".txt") },    FPL("foo.txt.dll") },
 769     { { FPL("foo"),             FPL("txt") },     FPL("footxt") },
 770     { { FPL("foo"),             FPL(".txt") },    FPL("foo.txt") },
 771     { { FPL("foo.baz.dll"),     FPL("txt") },     FPL("foo.baztxt.dll") },
 772     { { FPL("foo.baz.dll"),     FPL(".txt") },    FPL("foo.baz.txt.dll") },
 773     { { FPL("foo.dll"),         FPL("") },        FPL("foo.dll") },
 774     { { FPL("foo.dll"),         FPL(".") },       FPL("foo..dll") },
 775     { { FPL("foo"),             FPL("") },        FPL("foo") },
 776     { { FPL("foo"),             FPL(".") },       FPL("foo.") },
 777     { { FPL("foo.baz.dll"),     FPL("") },        FPL("foo.baz.dll") },
 778     { { FPL("foo.baz.dll"),     FPL(".") },       FPL("foo.baz..dll") },
 779 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 780     { { FPL("\\"),              FPL("") },        FPL("\\") },
 781     { { FPL("\\"),              FPL("txt") },     FPL("\\txt") },
 782     { { FPL("\\."),             FPL("txt") },     FPL("") },
 783     { { FPL("\\.."),            FPL("txt") },     FPL("") },
 784     { { FPL("\\."),             FPL("") },        FPL("\\.") },
 785     { { FPL("C:\\bar\\foo.dll"), FPL("txt") },
 786         FPL("C:\\bar\\footxt.dll") },
 787     { { FPL("C:\\bar.baz\\foodll"), FPL("txt") },
 788         FPL("C:\\bar.baz\\foodlltxt") },
 789     { { FPL("C:\\bar.baz\\foo.dll"), FPL("txt") },
 790         FPL("C:\\bar.baz\\footxt.dll") },
 791     { { FPL("C:\\bar.baz\\foo.dll.exe"), FPL("txt") },
 792         FPL("C:\\bar.baz\\foo.dlltxt.exe") },
 793     { { FPL("C:\\bar.baz\\foo"), FPL("") },
 794         FPL("C:\\bar.baz\\foo") },
 795     { { FPL("C:\\bar.baz\\foo.exe"), FPL("") },
 796         FPL("C:\\bar.baz\\foo.exe") },
 797     { { FPL("C:\\bar.baz\\foo.dll.exe"), FPL("") },
 798         FPL("C:\\bar.baz\\foo.dll.exe") },
 799     { { FPL("C:\\bar\\baz\\foo.exe"), FPL(" (1)") },
 800         FPL("C:\\bar\\baz\\foo (1).exe") },
 801     { { FPL("C:\\foo.baz\\\\"), FPL(" (1)") },    FPL("C:\\foo (1).baz") },
 802     { { FPL("C:\\foo.baz\\..\\"), FPL(" (1)") },  FPL("") },
 803 #endif
 804     { { FPL("/"),               FPL("") },        FPL("/") },
 805     { { FPL("/"),               FPL("txt") },     FPL("/txt") },
 806     { { FPL("/."),              FPL("txt") },     FPL("") },
 807     { { FPL("/.."),             FPL("txt") },     FPL("") },
 808     { { FPL("/."),              FPL("") },        FPL("/.") },
 809     { { FPL("/bar/foo.dll"),    FPL("txt") },     FPL("/bar/footxt.dll") },
 810     { { FPL("/bar.baz/foodll"), FPL("txt") },     FPL("/bar.baz/foodlltxt") },
 811     { { FPL("/bar.baz/foo.dll"), FPL("txt") },    FPL("/bar.baz/footxt.dll") },
 812     { { FPL("/bar.baz/foo.dll.exe"), FPL("txt") },
 813         FPL("/bar.baz/foo.dlltxt.exe") },
 814     { { FPL("/bar.baz/foo"),    FPL("") },        FPL("/bar.baz/foo") },
 815     { { FPL("/bar.baz/foo.exe"), FPL("") },       FPL("/bar.baz/foo.exe") },
 816     { { FPL("/bar.baz/foo.dll.exe"), FPL("") },   FPL("/bar.baz/foo.dll.exe") },
 817     { { FPL("/bar/baz/foo.exe"), FPL(" (1)") },   FPL("/bar/baz/foo (1).exe") },
 818     { { FPL("/bar/baz/..////"), FPL(" (1)") },    FPL("") },
 819   };
 820   for (unsigned int i = 0; i < arraysize(cases); ++i) {
 821     FilePath path(cases[i].inputs[0]);
 822     FilePath result = path.InsertBeforeExtension(cases[i].inputs[1]);
 823     EXPECT_EQ(cases[i].expected, result.value()) << "i: " << i <<
 824         ", path: " << path.value() << ", insert: " << cases[i].inputs[1];
 825   }
 826 }
 827
 828 TEST_F(FilePathTest, RemoveExtension) {
 829   const struct UnaryTestData cases[] = {
 830     { FPL(""),                    FPL("") },
 831     { FPL("."),                   FPL(".") },
 832     { FPL(".."),                  FPL("..") },
 833     { FPL("foo.dll"),             FPL("foo") },
 834     { FPL("./foo.dll"),           FPL("./foo") },
 835     { FPL("foo..dll"),            FPL("foo.") },
 836     { FPL("foo"),                 FPL("foo") },
 837     { FPL("foo."),                FPL("foo") },
 838     { FPL("foo.."),               FPL("foo.") },
 839     { FPL("foo.baz.dll"),         FPL("foo.baz") },
 840     { FPL("foo.tar.gz"),          FPL("foo") },
 841 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 842     { FPL("C:\\foo.bar\\foo"),    FPL("C:\\foo.bar\\foo") },
 843     { FPL("C:\\foo.bar\\..\\\\"), FPL("C:\\foo.bar\\..\\\\") },
 844 #endif
 845     { FPL("/foo.bar/foo"),        FPL("/foo.bar/foo") },
 846     { FPL("/foo.bar/..////"),     FPL("/foo.bar/..////") },
 847   };
 848   for (unsigned int i = 0; i < arraysize(cases); ++i) {
 849     FilePath path(cases[i].input);
 850     FilePath removed = path.RemoveExtension();
 851     EXPECT_EQ(cases[i].expected, removed.value()) << "i: " << i <<
 852         ", path: " << path.value();
 853   }
 854 }
 855
 856 TEST_F(FilePathTest, ReplaceExtension) {
 857   const struct BinaryTestData cases[] = {
 858     { { FPL(""),              FPL("") },      FPL("") },
 859     { { FPL(""),              FPL("txt") },   FPL("") },
 860     { { FPL("."),             FPL("txt") },   FPL("") },
 861     { { FPL(".."),            FPL("txt") },   FPL("") },
 862     { { FPL("."),             FPL("") },      FPL("") },
 863     { { FPL("foo.dll"),       FPL("txt") },   FPL("foo.txt") },
 864     { { FPL("./foo.dll"),     FPL("txt") },   FPL("./foo.txt") },
 865     { { FPL("foo..dll"),      FPL("txt") },   FPL("foo..txt") },
 866     { { FPL("foo.dll"),       FPL(".txt") },  FPL("foo.txt") },
 867     { { FPL("foo"),           FPL("txt") },   FPL("foo.txt") },
 868     { { FPL("foo."),          FPL("txt") },   FPL("foo.txt") },
 869     { { FPL("foo.."),         FPL("txt") },   FPL("foo..txt") },
 870     { { FPL("foo"),           FPL(".txt") },  FPL("foo.txt") },
 871     { { FPL("foo.baz.dll"),   FPL("txt") },   FPL("foo.baz.txt") },
 872     { { FPL("foo.baz.dll"),   FPL(".txt") },  FPL("foo.baz.txt") },
 873     { { FPL("foo.dll"),       FPL("") },      FPL("foo") },
 874     { { FPL("foo.dll"),       FPL(".") },     FPL("foo") },
 875     { { FPL("foo"),           FPL("") },      FPL("foo") },
 876     { { FPL("foo"),           FPL(".") },     FPL("foo") },
 877     { { FPL("foo.baz.dll"),   FPL("") },      FPL("foo.baz") },
 878     { { FPL("foo.baz.dll"),   FPL(".") },     FPL("foo.baz") },
 879 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 880     { { FPL("C:\\foo.bar\\foo"),    FPL("baz") }, FPL("C:\\foo.bar\\foo.baz") },
 881     { { FPL("C:\\foo.bar\\..\\\\"), FPL("baz") }, FPL("") },
 882 #endif
 883     { { FPL("/foo.bar/foo"),        FPL("baz") }, FPL("/foo.bar/foo.baz") },
 884     { { FPL("/foo.bar/..////"),     FPL("baz") }, FPL("") },
 885   };
 886   for (unsigned int i = 0; i < arraysize(cases); ++i) {
 887     FilePath path(cases[i].inputs[0]);
 888     FilePath replaced = path.ReplaceExtension(cases[i].inputs[1]);
 889     EXPECT_EQ(cases[i].expected, replaced.value()) << "i: " << i <<
 890         ", path: " << path.value() << ", replace: " << cases[i].inputs[1];
 891   }
 892 }
 893
 894 TEST_F(FilePathTest, MatchesExtension) {
 895   const struct BinaryBooleanTestData cases[] = {
 896     { { FPL("foo"),                     FPL("") },                    true},
 897     { { FPL("foo"),                     FPL(".") },                   false},
 898     { { FPL("foo."),                    FPL("") },                    false},
 899     { { FPL("foo."),                    FPL(".") },                   true},
 900     { { FPL("foo.txt"),                 FPL(".dll") },                false},
 901     { { FPL("foo.txt"),                 FPL(".txt") },                true},
 902     { { FPL("foo.txt.dll"),             FPL(".txt") },                false},
 903     { { FPL("foo.txt.dll"),             FPL(".dll") },                true},
 904     { { FPL("foo.TXT"),                 FPL(".txt") },                true},
 905     { { FPL("foo.txt"),                 FPL(".TXT") },                true},
 906     { { FPL("foo.tXt"),                 FPL(".txt") },                true},
 907     { { FPL("foo.txt"),                 FPL(".tXt") },                true},
 908     { { FPL("foo.tXt"),                 FPL(".TXT") },                true},
 909     { { FPL("foo.tXt"),                 FPL(".tXt") },                true},
 910 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 911     { { FPL("c:/foo.txt.dll"),          FPL(".txt") },                false},
 912     { { FPL("c:/foo.txt"),              FPL(".txt") },                true},
 913 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 914 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 915     { { FPL("c:\\bar\\foo.txt.dll"),    FPL(".txt") },                false},
 916     { { FPL("c:\\bar\\foo.txt"),        FPL(".txt") },                true},
 917 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 918     { { FPL("/bar/foo.txt.dll"),        FPL(".txt") },                false},
 919     { { FPL("/bar/foo.txt"),            FPL(".txt") },                true},
 920 #if defined(OS_WIN) || defined(OS_MACOSX)
 921     // Umlauts A, O, U: direct comparison, and upper case vs. lower case
 922     { { FPL("foo.\u00E4\u00F6\u00FC"),  FPL(".\u00E4\u00F6\u00FC") }, true},
 923     { { FPL("foo.\u00C4\u00D6\u00DC"),  FPL(".\u00E4\u00F6\u00FC") }, true},
 924     // C with circumflex: direct comparison, and upper case vs. lower case
 925     { { FPL("foo.\u0109"),              FPL(".\u0109") },             true},
 926     { { FPL("foo.\u0108"),              FPL(".\u0109") },             true},
 927 #endif
 928   };
 929
 930   for (size_t i = 0; i < arraysize(cases); ++i) {
 931     FilePath path(cases[i].inputs[0]);
 932     FilePath::StringType ext(cases[i].inputs[1]);
 933
 934     EXPECT_EQ(cases[i].expected, path.MatchesExtension(ext)) <<
 935         "i: " << i << ", path: " << path.value() << ", ext: " << ext;
 936   }
 937 }
 938
 939 TEST_F(FilePathTest, CompareIgnoreCase) {
 940   const struct BinaryIntTestData cases[] = {
 941     { { FPL("foo"),                          FPL("foo") },                  0},
 942     { { FPL("FOO"),                          FPL("foo") },                  0},
 943     { { FPL("foo.ext"),                      FPL("foo.ext") },              0},
 944     { { FPL("FOO.EXT"),                      FPL("foo.ext") },              0},
 945     { { FPL("Foo.Ext"),                      FPL("foo.ext") },              0},
 946     { { FPL("foO"),                          FPL("foo") },                  0},
 947     { { FPL("foo"),                          FPL("foO") },                  0},
 948     { { FPL("fOo"),                          FPL("foo") },                  0},
 949     { { FPL("foo"),                          FPL("fOo") },                  0},
 950     { { FPL("bar"),                          FPL("foo") },                 -1},
 951     { { FPL("foo"),                          FPL("bar") },                  1},
 952     { { FPL("BAR"),                          FPL("foo") },                 -1},
 953     { { FPL("FOO"),                          FPL("bar") },                  1},
 954     { { FPL("bar"),                          FPL("FOO") },                 -1},
 955     { { FPL("foo"),                          FPL("BAR") },                  1},
 956     { { FPL("BAR"),                          FPL("FOO") },                 -1},
 957     { { FPL("FOO"),                          FPL("BAR") },                  1},
 958     // German "Eszett" (lower case and the new-fangled upper case)
 959     // Note that uc(<lowercase eszett>) => "SS", NOT <uppercase eszett>!
 960     // However, neither Windows nor Mac OSX converts these.
 961     // (or even have glyphs for <uppercase eszett>)
 962     { { FPL("\u00DF"),                       FPL("\u00DF") },               0},
 963     { { FPL("\u1E9E"),                       FPL("\u1E9E") },               0},
 964     { { FPL("\u00DF"),                       FPL("\u1E9E") },              -1},
 965     { { FPL("SS"),                           FPL("\u00DF") },              -1},
 966     { { FPL("SS"),                           FPL("\u1E9E") },              -1},
 967 #if defined(OS_WIN) || defined(OS_MACOSX)
 968     // Umlauts A, O, U: direct comparison, and upper case vs. lower case
 969     { { FPL("\u00E4\u00F6\u00FC"),           FPL("\u00E4\u00F6\u00FC") },   0},
 970     { { FPL("\u00C4\u00D6\u00DC"),           FPL("\u00E4\u00F6\u00FC") },   0},
 971     // C with circumflex: direct comparison, and upper case vs. lower case
 972     { { FPL("\u0109"),                       FPL("\u0109") },               0},
 973     { { FPL("\u0108"),                       FPL("\u0109") },               0},
 974     // Cyrillic letter SHA: direct comparison, and upper case vs. lower case
 975     { { FPL("\u0428"),                       FPL("\u0428") },               0},
 976     { { FPL("\u0428"),                       FPL("\u0448") },               0},
 977     // Greek letter DELTA: direct comparison, and upper case vs. lower case
 978     { { FPL("\u0394"),                       FPL("\u0394") },               0},
 979     { { FPL("\u0394"),                       FPL("\u03B4") },               0},
 980     // Japanese full-width A: direct comparison, and upper case vs. lower case
 981     // Note that full-width and standard characters are considered different.
 982     { { FPL("\uFF21"),                       FPL("\uFF21") },               0},
 983     { { FPL("\uFF21"),                       FPL("\uFF41") },               0},
 984     { { FPL("A"),                            FPL("\uFF21") },              -1},
 985     { { FPL("A"),                            FPL("\uFF41") },              -1},
 986     { { FPL("a"),                            FPL("\uFF21") },              -1},
 987     { { FPL("a"),                            FPL("\uFF41") },              -1},
 988 #endif
 989 #if defined(OS_MACOSX)
 990     // Codepoints > 0x1000
 991     // Georgian letter DON: direct comparison, and upper case vs. lower case
 992     { { FPL("\u10A3"),                       FPL("\u10A3") },               0},
 993     { { FPL("\u10A3"),                       FPL("\u10D3") },               0},
 994     // Combining characters vs. pre-composed characters, upper and lower case
 995     { { FPL("k\u0301u\u032Do\u0304\u0301n"), FPL("\u1E31\u1E77\u1E53n") },  0},
 996     { { FPL("k\u0301u\u032Do\u0304\u0301n"), FPL("kuon") },                 1},
 997     { { FPL("kuon"), FPL("k\u0301u\u032Do\u0304\u0301n") },                -1},
 998     { { FPL("K\u0301U\u032DO\u0304\u0301N"), FPL("KUON") },                 1},
 999     { { FPL("KUON"), FPL("K\u0301U\u032DO\u0304\u0301N") },                -1},
1000     { { FPL("k\u0301u\u032Do\u0304\u0301n"), FPL("KUON") },                 1},
1001     { { FPL("K\u0301U\u032DO\u0304\u0301N"), FPL("\u1E31\u1E77\u1E53n") },  0},
1002     { { FPL("k\u0301u\u032Do\u0304\u0301n"), FPL("\u1E30\u1E76\u1E52n") },  0},
1003     { { FPL("k\u0301u\u032Do\u0304\u0302n"), FPL("\u1E30\u1E76\u1E52n") },  1},
1004 #endif
1005   };
1006
1007   for (size_t i = 0; i < arraysize(cases); ++i) {
1008     FilePath::StringType s1(cases[i].inputs[0]);
1009     FilePath::StringType s2(cases[i].inputs[1]);
1010     int result = FilePath::CompareIgnoreCase(s1, s2);
1011     EXPECT_EQ(cases[i].expected, result) <<
1012         "i: " << i << ", s1: " << s1 << ", s2: " << s2;
1013   }
1014 }
1015
1016 TEST_F(FilePathTest, ReferencesParent) {
1017   const struct UnaryBooleanTestData cases[] = {
1018     { FPL("."),        false },
1019     { FPL(".."),       true },
1020     { FPL("a.."),      false },
1021     { FPL("..a"),      false },
1022     { FPL("../"),      true },
1023     { FPL("/.."),      true },
1024     { FPL("/../"),     true },
1025     { FPL("/a../"),    false },
1026     { FPL("/..a/"),    false },
1027     { FPL("//.."),     true },
1028     { FPL("..//"),     true },
1029     { FPL("//..//"),   true },
1030     { FPL("a//..//c"), true },
1031     { FPL("../b/c"),   true },
1032     { FPL("/../b/c"),  true },
1033     { FPL("a/b/.."),   true },
1034     { FPL("a/b/../"),  true },
1035     { FPL("a/../c"),   true },
1036     { FPL("a/b/c"),    false },
1037   };
1038
1039   for (size_t i = 0; i < arraysize(cases); ++i) {
1040     FilePath input(cases[i].input);
1041     bool observed = input.ReferencesParent();
1042     EXPECT_EQ(cases[i].expected, observed) <<
1043               "i: " << i << ", input: " << input.value();
1044   }
1045 }
1046
1047 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
1048 TEST_F(FilePathTest, NormalizeWindowsPathSeparators) {
1049   const struct UnaryTestData cases[] = {
1050     { FPL("foo/bar"), FPL("foo\\bar") },
1051     { FPL("foo/bar\\betz"), FPL("foo\\bar\\betz") },
1052     { FPL("foo\\bar"), FPL("foo\\bar") },
1053     { FPL("foo\\bar/betz"), FPL("foo\\bar\\betz") },
1054     { FPL("foo"), FPL("foo") },
1055     // Trailing slashes don't automatically get stripped.  That's what
1056     // StripTrailingSeparators() is for.
1057     { FPL("foo\\"), FPL("foo\\") },
1058     { FPL("foo/"), FPL("foo\\") },
1059     { FPL("foo/bar\\"), FPL("foo\\bar\\") },
1060     { FPL("foo\\bar/"), FPL("foo\\bar\\") },
1061     { FPL("foo/bar/"), FPL("foo\\bar\\") },
1062     { FPL("foo\\bar\\"), FPL("foo\\bar\\") },
1063     { FPL("\\foo/bar"), FPL("\\foo\\bar") },
1064     { FPL("/foo\\bar"), FPL("\\foo\\bar") },
1065     { FPL("c:/foo/bar/"), FPL("c:\\foo\\bar\\") },
1066     { FPL("/foo/bar/"), FPL("\\foo\\bar\\") },
1067     { FPL("\\foo\\bar\\"), FPL("\\foo\\bar\\") },
1068     { FPL("c:\\foo/bar"), FPL("c:\\foo\\bar") },
1069     { FPL("//foo\\bar\\"), FPL("\\\\foo\\bar\\") },
1070     { FPL("\\\\foo\\bar\\"), FPL("\\\\foo\\bar\\") },
1071     { FPL("//foo\\bar\\"), FPL("\\\\foo\\bar\\") },
1072     // This method does not normalize the number of path separators.
1073     { FPL("foo\\\\bar"), FPL("foo\\\\bar") },
1074     { FPL("foo//bar"), FPL("foo\\\\bar") },
1075     { FPL("foo/\\bar"), FPL("foo\\\\bar") },
1076     { FPL("foo\\/bar"), FPL("foo\\\\bar") },
1077     { FPL("///foo\\\\bar"), FPL("\\\\\\foo\\\\bar") },
1078     { FPL("foo//bar///"), FPL("foo\\\\bar\\\\\\") },
1079     { FPL("foo/\\bar/\\"), FPL("foo\\\\bar\\\\") },
1080     { FPL("/\\foo\\/bar"), FPL("\\\\foo\\\\bar") },
1081   };
1082   for (size_t i = 0; i < arraysize(cases); ++i) {
1083     FilePath input(cases[i].input);
1084     FilePath observed = input.NormalizeWindowsPathSeparators();
1085     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed.value()) <<
1086               "i: " << i << ", input: " << input.value();
1087   }
1088 }
1089 #endif