base/file_path_unittest.cc

   1 // Copyright (c) 2011 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 struct UTF8TestData {
  41   const FilePath::CharType* native;
  42   const char* utf8;
  43 };
  44
  45 // file_util winds up using autoreleased objects on the Mac, so this needs
  46 // to be a PlatformTest
  47 class FilePathTest : public PlatformTest {
  48  protected:
  49   virtual void SetUp() {
  50     PlatformTest::SetUp();
  51   }
  52   virtual void TearDown() {
  53     PlatformTest::TearDown();
  54   }
  55 };
  56
  57 TEST_F(FilePathTest, DirName) {
  58   const struct UnaryTestData cases[] = {
  59     { FPL(""),              FPL(".") },
  60     { FPL("aa"),            FPL(".") },
  61     { FPL("/aa/bb"),        FPL("/aa") },
  62     { FPL("/aa/bb/"),       FPL("/aa") },
  63     { FPL("/aa/bb//"),      FPL("/aa") },
  64     { FPL("/aa/bb/ccc"),    FPL("/aa/bb") },
  65     { FPL("/aa"),           FPL("/") },
  66     { FPL("/aa/"),          FPL("/") },
  67     { FPL("/"),             FPL("/") },
  68     { FPL("//"),            FPL("//") },
  69     { FPL("///"),           FPL("/") },
  70     { FPL("aa/"),           FPL(".") },
  71     { FPL("aa/bb"),         FPL("aa") },
  72     { FPL("aa/bb/"),        FPL("aa") },
  73     { FPL("aa/bb//"),       FPL("aa") },
  74     { FPL("aa//bb//"),      FPL("aa") },
  75     { FPL("aa//bb/"),       FPL("aa") },
  76     { FPL("aa//bb"),        FPL("aa") },
  77     { FPL("//aa/bb"),       FPL("//aa") },
  78     { FPL("//aa/"),         FPL("//") },
  79     { FPL("//aa"),          FPL("//") },
  80     { FPL("0:"),            FPL(".") },
  81     { FPL("@:"),            FPL(".") },
  82     { FPL("[:"),            FPL(".") },
  83     { FPL("`:"),            FPL(".") },
  84     { FPL("{:"),            FPL(".") },
  85     { FPL("\xB3:"),         FPL(".") },
  86     { FPL("\xC5:"),         FPL(".") },
  87 #if defined(OS_WIN)
  88     { FPL("\x0143:"),       FPL(".") },
  89 #endif  // OS_WIN
  90 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
  91     { FPL("c:"),            FPL("c:") },
  92     { FPL("C:"),            FPL("C:") },
  93     { FPL("A:"),            FPL("A:") },
  94     { FPL("Z:"),            FPL("Z:") },
  95     { FPL("a:"),            FPL("a:") },
  96     { FPL("z:"),            FPL("z:") },
  97     { FPL("c:aa"),          FPL("c:") },
  98     { FPL("c:/"),           FPL("c:/") },
  99     { FPL("c://"),          FPL("c://") },
 100     { FPL("c:///"),         FPL("c:/") },
 101     { FPL("c:/aa"),         FPL("c:/") },
 102     { FPL("c:/aa/"),        FPL("c:/") },
 103     { FPL("c:/aa/bb"),      FPL("c:/aa") },
 104     { FPL("c:aa/bb"),       FPL("c:aa") },
 105 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 106 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 107     { FPL("\\aa\\bb"),      FPL("\\aa") },
 108     { FPL("\\aa\\bb\\"),    FPL("\\aa") },
 109     { FPL("\\aa\\bb\\\\"),  FPL("\\aa") },
 110     { FPL("\\aa\\bb\\ccc"), FPL("\\aa\\bb") },
 111     { FPL("\\aa"),          FPL("\\") },
 112     { FPL("\\aa\\"),        FPL("\\") },
 113     { FPL("\\"),            FPL("\\") },
 114     { FPL("\\\\"),          FPL("\\\\") },
 115     { FPL("\\\\\\"),        FPL("\\") },
 116     { FPL("aa\\"),          FPL(".") },
 117     { FPL("aa\\bb"),        FPL("aa") },
 118     { FPL("aa\\bb\\"),      FPL("aa") },
 119     { FPL("aa\\bb\\\\"),    FPL("aa") },
 120     { FPL("aa\\\\bb\\\\"),  FPL("aa") },
 121     { FPL("aa\\\\bb\\"),    FPL("aa") },
 122     { FPL("aa\\\\bb"),      FPL("aa") },
 123     { FPL("\\\\aa\\bb"),    FPL("\\\\aa") },
 124     { FPL("\\\\aa\\"),      FPL("\\\\") },
 125     { FPL("\\\\aa"),        FPL("\\\\") },
 126 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 127     { FPL("c:\\"),          FPL("c:\\") },
 128     { FPL("c:\\\\"),        FPL("c:\\\\") },
 129     { FPL("c:\\\\\\"),      FPL("c:\\") },
 130     { FPL("c:\\aa"),        FPL("c:\\") },
 131     { FPL("c:\\aa\\"),      FPL("c:\\") },
 132     { FPL("c:\\aa\\bb"),    FPL("c:\\aa") },
 133     { FPL("c:aa\\bb"),      FPL("c:aa") },
 134 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 135 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 136   };
 137
 138   for (size_t i = 0; i < arraysize(cases); ++i) {
 139     FilePath input(cases[i].input);
 140     FilePath observed = input.DirName();
 141     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed.value()) <<
 142               "i: " << i << ", input: " << input.value();
 143   }
 144 }
 145
 146 TEST_F(FilePathTest, BaseName) {
 147   const struct UnaryTestData cases[] = {
 148     { FPL(""),              FPL("") },
 149     { FPL("aa"),            FPL("aa") },
 150     { FPL("/aa/bb"),        FPL("bb") },
 151     { FPL("/aa/bb/"),       FPL("bb") },
 152     { FPL("/aa/bb//"),      FPL("bb") },
 153     { FPL("/aa/bb/ccc"),    FPL("ccc") },
 154     { FPL("/aa"),           FPL("aa") },
 155     { FPL("/"),             FPL("/") },
 156     { FPL("//"),            FPL("//") },
 157     { FPL("///"),           FPL("/") },
 158     { FPL("aa/"),           FPL("aa") },
 159     { FPL("aa/bb"),         FPL("bb") },
 160     { FPL("aa/bb/"),        FPL("bb") },
 161     { FPL("aa/bb//"),       FPL("bb") },
 162     { FPL("aa//bb//"),      FPL("bb") },
 163     { FPL("aa//bb/"),       FPL("bb") },
 164     { FPL("aa//bb"),        FPL("bb") },
 165     { FPL("//aa/bb"),       FPL("bb") },
 166     { FPL("//aa/"),         FPL("aa") },
 167     { FPL("//aa"),          FPL("aa") },
 168     { FPL("0:"),            FPL("0:") },
 169     { FPL("@:"),            FPL("@:") },
 170     { FPL("[:"),            FPL("[:") },
 171     { FPL("`:"),            FPL("`:") },
 172     { FPL("{:"),            FPL("{:") },
 173     { FPL("\xB3:"),         FPL("\xB3:") },
 174     { FPL("\xC5:"),         FPL("\xC5:") },
 175 #if defined(OS_WIN)
 176     { FPL("\x0143:"),       FPL("\x0143:") },
 177 #endif  // OS_WIN
 178 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 179     { FPL("c:"),            FPL("") },
 180     { FPL("C:"),            FPL("") },
 181     { FPL("A:"),            FPL("") },
 182     { FPL("Z:"),            FPL("") },
 183     { FPL("a:"),            FPL("") },
 184     { FPL("z:"),            FPL("") },
 185     { FPL("c:aa"),          FPL("aa") },
 186     { FPL("c:/"),           FPL("/") },
 187     { FPL("c://"),          FPL("//") },
 188     { FPL("c:///"),         FPL("/") },
 189     { FPL("c:/aa"),         FPL("aa") },
 190     { FPL("c:/aa/"),        FPL("aa") },
 191     { FPL("c:/aa/bb"),      FPL("bb") },
 192     { FPL("c:aa/bb"),       FPL("bb") },
 193 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 194 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 195     { FPL("\\aa\\bb"),      FPL("bb") },
 196     { FPL("\\aa\\bb\\"),    FPL("bb") },
 197     { FPL("\\aa\\bb\\\\"),  FPL("bb") },
 198     { FPL("\\aa\\bb\\ccc"), FPL("ccc") },
 199     { FPL("\\aa"),          FPL("aa") },
 200     { FPL("\\"),            FPL("\\") },
 201     { FPL("\\\\"),          FPL("\\\\") },
 202     { FPL("\\\\\\"),        FPL("\\") },
 203     { FPL("aa\\"),          FPL("aa") },
 204     { FPL("aa\\bb"),        FPL("bb") },
 205     { FPL("aa\\bb\\"),      FPL("bb") },
 206     { FPL("aa\\bb\\\\"),    FPL("bb") },
 207     { FPL("aa\\\\bb\\\\"),  FPL("bb") },
 208     { FPL("aa\\\\bb\\"),    FPL("bb") },
 209     { FPL("aa\\\\bb"),      FPL("bb") },
 210     { FPL("\\\\aa\\bb"),    FPL("bb") },
 211     { FPL("\\\\aa\\"),      FPL("aa") },
 212     { FPL("\\\\aa"),        FPL("aa") },
 213 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 214     { FPL("c:\\"),          FPL("\\") },
 215     { FPL("c:\\\\"),        FPL("\\\\") },
 216     { FPL("c:\\\\\\"),      FPL("\\") },
 217     { FPL("c:\\aa"),        FPL("aa") },
 218     { FPL("c:\\aa\\"),      FPL("aa") },
 219     { FPL("c:\\aa\\bb"),    FPL("bb") },
 220     { FPL("c:aa\\bb"),      FPL("bb") },
 221 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 222 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 223   };
 224
 225   for (size_t i = 0; i < arraysize(cases); ++i) {
 226     FilePath input(cases[i].input);
 227     FilePath observed = input.BaseName();
 228     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed.value()) <<
 229               "i: " << i << ", input: " << input.value();
 230   }
 231 }
 232
 233 TEST_F(FilePathTest, Append) {
 234   const struct BinaryTestData cases[] = {
 235     { { FPL(""),           FPL("cc") }, FPL("cc") },
 236     { { FPL("."),          FPL("ff") }, FPL("ff") },
 237     { { FPL("/"),          FPL("cc") }, FPL("/cc") },
 238     { { FPL("/aa"),        FPL("") },   FPL("/aa") },
 239     { { FPL("/aa/"),       FPL("") },   FPL("/aa") },
 240     { { FPL("//aa"),       FPL("") },   FPL("//aa") },
 241     { { FPL("//aa/"),      FPL("") },   FPL("//aa") },
 242     { { FPL("//"),         FPL("aa") }, FPL("//aa") },
 243 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 244     { { FPL("c:"),         FPL("a") },  FPL("c:a") },
 245     { { FPL("c:"),         FPL("") },   FPL("c:") },
 246     { { FPL("c:/"),        FPL("a") },  FPL("c:/a") },
 247     { { FPL("c://"),       FPL("a") },  FPL("c://a") },
 248     { { FPL("c:///"),      FPL("a") },  FPL("c:/a") },
 249 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 250 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 251     // Append introduces the default separator character, so these test cases
 252     // need to be defined with different expected results on platforms that use
 253     // different default separator characters.
 254     { { FPL("\\"),         FPL("cc") }, FPL("\\cc") },
 255     { { FPL("\\aa"),       FPL("") },   FPL("\\aa") },
 256     { { FPL("\\aa\\"),     FPL("") },   FPL("\\aa") },
 257     { { FPL("\\\\aa"),     FPL("") },   FPL("\\\\aa") },
 258     { { FPL("\\\\aa\\"),   FPL("") },   FPL("\\\\aa") },
 259     { { FPL("\\\\"),       FPL("aa") }, FPL("\\\\aa") },
 260     { { FPL("/aa/bb"),     FPL("cc") }, FPL("/aa/bb\\cc") },
 261     { { FPL("/aa/bb/"),    FPL("cc") }, FPL("/aa/bb\\cc") },
 262     { { FPL("aa/bb/"),     FPL("cc") }, FPL("aa/bb\\cc") },
 263     { { FPL("aa/bb"),      FPL("cc") }, FPL("aa/bb\\cc") },
 264     { { FPL("a/b"),        FPL("c") },  FPL("a/b\\c") },
 265     { { FPL("a/b/"),       FPL("c") },  FPL("a/b\\c") },
 266     { { FPL("//aa"),       FPL("bb") }, FPL("//aa\\bb") },
 267     { { FPL("//aa/"),      FPL("bb") }, FPL("//aa\\bb") },
 268     { { FPL("\\aa\\bb"),   FPL("cc") }, FPL("\\aa\\bb\\cc") },
 269     { { FPL("\\aa\\bb\\"), FPL("cc") }, FPL("\\aa\\bb\\cc") },
 270     { { FPL("aa\\bb\\"),   FPL("cc") }, FPL("aa\\bb\\cc") },
 271     { { FPL("aa\\bb"),     FPL("cc") }, FPL("aa\\bb\\cc") },
 272     { { FPL("a\\b"),       FPL("c") },  FPL("a\\b\\c") },
 273     { { FPL("a\\b\\"),     FPL("c") },  FPL("a\\b\\c") },
 274     { { FPL("\\\\aa"),     FPL("bb") }, FPL("\\\\aa\\bb") },
 275     { { FPL("\\\\aa\\"),   FPL("bb") }, FPL("\\\\aa\\bb") },
 276 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 277     { { FPL("c:\\"),       FPL("a") },  FPL("c:\\a") },
 278     { { FPL("c:\\\\"),     FPL("a") },  FPL("c:\\\\a") },
 279     { { FPL("c:\\\\\\"),   FPL("a") },  FPL("c:\\a") },
 280     { { FPL("c:\\"),       FPL("") },   FPL("c:\\") },
 281     { { FPL("c:\\a"),      FPL("b") },  FPL("c:\\a\\b") },
 282     { { FPL("c:\\a\\"),    FPL("b") },  FPL("c:\\a\\b") },
 283 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 284 #else  // FILE_PATH_USES_WIN_SEPARATORS
 285     { { FPL("/aa/bb"),     FPL("cc") }, FPL("/aa/bb/cc") },
 286     { { FPL("/aa/bb/"),    FPL("cc") }, FPL("/aa/bb/cc") },
 287     { { FPL("aa/bb/"),     FPL("cc") }, FPL("aa/bb/cc") },
 288     { { FPL("aa/bb"),      FPL("cc") }, FPL("aa/bb/cc") },
 289     { { FPL("a/b"),        FPL("c") },  FPL("a/b/c") },
 290     { { FPL("a/b/"),       FPL("c") },  FPL("a/b/c") },
 291     { { FPL("//aa"),       FPL("bb") }, FPL("//aa/bb") },
 292     { { FPL("//aa/"),      FPL("bb") }, FPL("//aa/bb") },
 293 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 294     { { FPL("c:/"),        FPL("a") },  FPL("c:/a") },
 295     { { FPL("c:/"),        FPL("") },   FPL("c:/") },
 296     { { FPL("c:/a"),       FPL("b") },  FPL("c:/a/b") },
 297     { { FPL("c:/a/"),      FPL("b") },  FPL("c:/a/b") },
 298 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 299 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 300   };
 301
 302   for (size_t i = 0; i < arraysize(cases); ++i) {
 303     FilePath root(cases[i].inputs[0]);
 304     FilePath::StringType leaf(cases[i].inputs[1]);
 305     FilePath observed_str = root.Append(leaf);
 306     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed_str.value()) <<
 307               "i: " << i << ", root: " << root.value() << ", leaf: " << leaf;
 308     FilePath observed_path = root.Append(FilePath(leaf));
 309     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed_path.value()) <<
 310               "i: " << i << ", root: " << root.value() << ", leaf: " << leaf;
 311
 312     // TODO(erikkay): It would be nice to have a unicode test append value to
 313     // handle the case when AppendASCII is passed UTF8
 314 #if defined(OS_WIN)
 315     std::string ascii = WideToUTF8(leaf);
 316 #elif defined(OS_POSIX)
 317     std::string ascii = leaf;
 318 #endif
 319     observed_str = root.AppendASCII(ascii);
 320     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed_str.value()) <<
 321               "i: " << i << ", root: " << root.value() << ", leaf: " << leaf;
 322   }
 323 }
 324
 325 TEST_F(FilePathTest, StripTrailingSeparators) {
 326   const struct UnaryTestData cases[] = {
 327     { FPL(""),              FPL("") },
 328     { FPL("/"),             FPL("/") },
 329     { FPL("//"),            FPL("//") },
 330     { FPL("///"),           FPL("/") },
 331     { FPL("////"),          FPL("/") },
 332     { FPL("a/"),            FPL("a") },
 333     { FPL("a//"),           FPL("a") },
 334     { FPL("a///"),          FPL("a") },
 335     { FPL("a////"),         FPL("a") },
 336     { FPL("/a"),            FPL("/a") },
 337     { FPL("/a/"),           FPL("/a") },
 338     { FPL("/a//"),          FPL("/a") },
 339     { FPL("/a///"),         FPL("/a") },
 340     { FPL("/a////"),        FPL("/a") },
 341 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 342     { FPL("c:"),            FPL("c:") },
 343     { FPL("c:/"),           FPL("c:/") },
 344     { FPL("c://"),          FPL("c://") },
 345     { FPL("c:///"),         FPL("c:/") },
 346     { FPL("c:////"),        FPL("c:/") },
 347     { FPL("c:/a"),          FPL("c:/a") },
 348     { FPL("c:/a/"),         FPL("c:/a") },
 349     { FPL("c:/a//"),        FPL("c:/a") },
 350     { FPL("c:/a///"),       FPL("c:/a") },
 351     { FPL("c:/a////"),      FPL("c:/a") },
 352 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 353 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 354     { FPL("\\"),            FPL("\\") },
 355     { FPL("\\\\"),          FPL("\\\\") },
 356     { FPL("\\\\\\"),        FPL("\\") },
 357     { FPL("\\\\\\\\"),      FPL("\\") },
 358     { FPL("a\\"),           FPL("a") },
 359     { FPL("a\\\\"),         FPL("a") },
 360     { FPL("a\\\\\\"),       FPL("a") },
 361     { FPL("a\\\\\\\\"),     FPL("a") },
 362     { FPL("\\a"),           FPL("\\a") },
 363     { FPL("\\a\\"),         FPL("\\a") },
 364     { FPL("\\a\\\\"),       FPL("\\a") },
 365     { FPL("\\a\\\\\\"),     FPL("\\a") },
 366     { FPL("\\a\\\\\\\\"),   FPL("\\a") },
 367 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 368     { FPL("c:\\"),          FPL("c:\\") },
 369     { FPL("c:\\\\"),        FPL("c:\\\\") },
 370     { FPL("c:\\\\\\"),      FPL("c:\\") },
 371     { FPL("c:\\\\\\\\"),    FPL("c:\\") },
 372     { FPL("c:\\a"),         FPL("c:\\a") },
 373     { FPL("c:\\a\\"),       FPL("c:\\a") },
 374     { FPL("c:\\a\\\\"),     FPL("c:\\a") },
 375     { FPL("c:\\a\\\\\\"),   FPL("c:\\a") },
 376     { FPL("c:\\a\\\\\\\\"), FPL("c:\\a") },
 377 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 378 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 379   };
 380
 381   for (size_t i = 0; i < arraysize(cases); ++i) {
 382     FilePath input(cases[i].input);
 383     FilePath observed = input.StripTrailingSeparators();
 384     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed.value()) <<
 385               "i: " << i << ", input: " << input.value();
 386   }
 387 }
 388
 389 TEST_F(FilePathTest, IsAbsolute) {
 390   const struct UnaryBooleanTestData cases[] = {
 391     { FPL(""),       false },
 392     { FPL("a"),      false },
 393     { FPL("c:"),     false },
 394     { FPL("c:a"),    false },
 395     { FPL("a/b"),    false },
 396     { FPL("//"),     true },
 397     { FPL("//a"),    true },
 398     { FPL("c:a/b"),  false },
 399     { FPL("?:/a"),   false },
 400 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 401     { FPL("/"),      false },
 402     { FPL("/a"),     false },
 403     { FPL("/."),     false },
 404     { FPL("/.."),    false },
 405     { FPL("c:/"),    true },
 406     { FPL("c:/a"),   true },
 407     { FPL("c:/."),   true },
 408     { FPL("c:/.."),  true },
 409     { FPL("C:/a"),   true },
 410     { FPL("d:/a"),   true },
 411 #else  // FILE_PATH_USES_DRIVE_LETTERS
 412     { FPL("/"),      true },
 413     { FPL("/a"),     true },
 414     { FPL("/."),     true },
 415     { FPL("/.."),    true },
 416     { FPL("c:/"),    false },
 417 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 418 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 419     { FPL("a\\b"),   false },
 420     { FPL("\\\\"),   true },
 421     { FPL("\\\\a"),  true },
 422     { FPL("a\\b"),   false },
 423     { FPL("\\\\"),   true },
 424     { FPL("//a"),    true },
 425     { FPL("c:a\\b"), false },
 426     { FPL("?:\\a"),  false },
 427 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 428     { FPL("\\"),     false },
 429     { FPL("\\a"),    false },
 430     { FPL("\\."),    false },
 431     { FPL("\\.."),   false },
 432     { FPL("c:\\"),   true },
 433     { FPL("c:\\"),   true },
 434     { FPL("c:\\a"),  true },
 435     { FPL("c:\\."),  true },
 436     { FPL("c:\\.."), true },
 437     { FPL("C:\\a"),  true },
 438     { FPL("d:\\a"),  true },
 439 #else  // FILE_PATH_USES_DRIVE_LETTERS
 440     { FPL("\\"),     true },
 441     { FPL("\\a"),    true },
 442     { FPL("\\."),    true },
 443     { FPL("\\.."),   true },
 444     { FPL("c:\\"),   false },
 445 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 446 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 447   };
 448
 449   for (size_t i = 0; i < arraysize(cases); ++i) {
 450     FilePath input(cases[i].input);
 451     bool observed = input.IsAbsolute();
 452     EXPECT_EQ(cases[i].expected, observed) <<
 453               "i: " << i << ", input: " << input.value();
 454   }
 455 }
 456
 457 TEST_F(FilePathTest, PathComponentsTest) {
 458   const struct UnaryTestData cases[] = {
 459     { FPL("//foo/bar/baz/"),          FPL("|//|foo|bar|baz")},
 460     { FPL("///"),                     FPL("|/")},
 461     { FPL("/foo//bar//baz/"),         FPL("|/|foo|bar|baz")},
 462     { FPL("/foo/bar/baz/"),           FPL("|/|foo|bar|baz")},
 463     { FPL("/foo/bar/baz//"),          FPL("|/|foo|bar|baz")},
 464     { FPL("/foo/bar/baz///"),         FPL("|/|foo|bar|baz")},
 465     { FPL("/foo/bar/baz"),            FPL("|/|foo|bar|baz")},
 466     { FPL("/foo/bar.bot/baz.txt"),    FPL("|/|foo|bar.bot|baz.txt")},
 467     { FPL("//foo//bar/baz"),          FPL("|//|foo|bar|baz")},
 468     { FPL("/"),                       FPL("|/")},
 469     { FPL("foo"),                     FPL("|foo")},
 470     { FPL(""),                        FPL("")},
 471 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 472     { FPL("e:/foo"),                  FPL("|e:|/|foo")},
 473     { FPL("e:/"),                     FPL("|e:|/")},
 474     { FPL("e:"),                      FPL("|e:")},
 475 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 476 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 477     { FPL("../foo"),                  FPL("|..|foo")},
 478     { FPL("./foo"),                   FPL("|foo")},
 479     { FPL("../foo/bar/"),             FPL("|..|foo|bar") },
 480     { FPL("\\\\foo\\bar\\baz\\"),     FPL("|\\\\|foo|bar|baz")},
 481     { FPL("\\\\\\"),                  FPL("|\\")},
 482     { FPL("\\foo\\\\bar\\\\baz\\"),   FPL("|\\|foo|bar|baz")},
 483     { FPL("\\foo\\bar\\baz\\"),       FPL("|\\|foo|bar|baz")},
 484     { FPL("\\foo\\bar\\baz\\\\"),     FPL("|\\|foo|bar|baz")},
 485     { FPL("\\foo\\bar\\baz\\\\\\"),   FPL("|\\|foo|bar|baz")},
 486     { FPL("\\foo\\bar\\baz"),         FPL("|\\|foo|bar|baz")},
 487     { FPL("\\foo\\bar/baz\\\\\\"),    FPL("|\\|foo|bar|baz")},
 488     { FPL("/foo\\bar\\baz"),          FPL("|/|foo|bar|baz")},
 489     { FPL("\\foo\\bar.bot\\baz.txt"), FPL("|\\|foo|bar.bot|baz.txt")},
 490     { FPL("\\\\foo\\\\bar\\baz"),     FPL("|\\\\|foo|bar|baz")},
 491     { FPL("\\"),                      FPL("|\\")},
 492 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 493   };
 494
 495   for (size_t i = 0; i < arraysize(cases); ++i) {
 496     FilePath input(cases[i].input);
 497     std::vector<FilePath::StringType> comps;
 498     input.GetComponents(&comps);
 499
 500     FilePath::StringType observed;
 501     for (size_t j = 0; j < comps.size(); ++j) {
 502       observed.append(FILE_PATH_LITERAL("|"), 1);
 503       observed.append(comps[j]);
 504     }
 505     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed) <<
 506               "i: " << i << ", input: " << input.value();
 507   }
 508 }
 509
 510 TEST_F(FilePathTest, IsParentTest) {
 511   const struct BinaryBooleanTestData cases[] = {
 512     { { FPL("/"),             FPL("/foo/bar/baz") },      true},
 513     { { FPL("/foo/bar"),      FPL("/foo/bar/baz") },      true},
 514     { { FPL("/foo/bar/"),     FPL("/foo/bar/baz") },      true},
 515     { { FPL("//foo/bar/"),    FPL("//foo/bar/baz") },     true},
 516     { { FPL("/foo/bar"),      FPL("/foo2/bar/baz") },     false},
 517     { { FPL("/foo/bar.txt"),  FPL("/foo/bar/baz") },      false},
 518     { { FPL("/foo/bar"),      FPL("/foo/bar2/baz") },     false},
 519     { { FPL("/foo/bar"),      FPL("/foo/bar") },          false},
 520     { { FPL("/foo/bar/baz"),  FPL("/foo/bar") },          false},
 521     { { FPL("foo/bar"),       FPL("foo/bar/baz") },       true},
 522     { { FPL("foo/bar"),       FPL("foo2/bar/baz") },      false},
 523     { { FPL("foo/bar"),       FPL("foo/bar2/baz") },      false},
 524     { { FPL(""),              FPL("foo") },               false},
 525 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 526     { { FPL("c:/foo/bar"),    FPL("c:/foo/bar/baz") },    true},
 527     { { FPL("E:/foo/bar"),    FPL("e:/foo/bar/baz") },    true},
 528     { { FPL("f:/foo/bar"),    FPL("F:/foo/bar/baz") },    true},
 529     { { FPL("E:/Foo/bar"),    FPL("e:/foo/bar/baz") },    false},
 530     { { FPL("f:/foo/bar"),    FPL("F:/foo/Bar/baz") },    false},
 531     { { FPL("c:/"),           FPL("c:/foo/bar/baz") },    true},
 532     { { FPL("c:"),            FPL("c:/foo/bar/baz") },    true},
 533     { { FPL("c:/foo/bar"),    FPL("d:/foo/bar/baz") },    false},
 534     { { FPL("c:/foo/bar"),    FPL("D:/foo/bar/baz") },    false},
 535     { { FPL("C:/foo/bar"),    FPL("d:/foo/bar/baz") },    false},
 536     { { FPL("c:/foo/bar"),    FPL("c:/foo2/bar/baz") },   false},
 537     { { FPL("e:/foo/bar"),    FPL("E:/foo2/bar/baz") },   false},
 538     { { FPL("F:/foo/bar"),    FPL("f:/foo2/bar/baz") },   false},
 539     { { FPL("c:/foo/bar"),    FPL("c:/foo/bar2/baz") },   false},
 540 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 541 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 542     { { FPL("\\foo\\bar"),    FPL("\\foo\\bar\\baz") },   true},
 543     { { FPL("\\foo/bar"),     FPL("\\foo\\bar\\baz") },   true},
 544     { { FPL("\\foo/bar"),     FPL("\\foo/bar/baz") },     true},
 545     { { FPL("\\"),            FPL("\\foo\\bar\\baz") },   true},
 546     { { FPL(""),              FPL("\\foo\\bar\\baz") },   false},
 547     { { FPL("\\foo\\bar"),    FPL("\\foo2\\bar\\baz") },  false},
 548     { { FPL("\\foo\\bar"),    FPL("\\foo\\bar2\\baz") },  false},
 549 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 550   };
 551
 552   for (size_t i = 0; i < arraysize(cases); ++i) {
 553     FilePath parent(cases[i].inputs[0]);
 554     FilePath child(cases[i].inputs[1]);
 555
 556     EXPECT_EQ(parent.IsParent(child), cases[i].expected) <<
 557         "i: " << i << ", parent: " << parent.value() << ", child: " <<
 558         child.value();
 559   }
 560 }
 561
 562 TEST_F(FilePathTest, AppendRelativePathTest) {
 563   const struct BinaryTestData cases[] = {
 564 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 565     { { FPL("/"),             FPL("/foo/bar/baz") },      FPL("foo\\bar\\baz")},
 566 #else  // FILE_PATH_USES_WIN_SEPARATORS
 567     { { FPL("/"),             FPL("/foo/bar/baz") },      FPL("foo/bar/baz")},
 568 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 569     { { FPL("/foo/bar"),      FPL("/foo/bar/baz") },      FPL("baz")},
 570     { { FPL("/foo/bar/"),     FPL("/foo/bar/baz") },      FPL("baz")},
 571     { { FPL("//foo/bar/"),    FPL("//foo/bar/baz") },     FPL("baz")},
 572     { { FPL("/foo/bar"),      FPL("/foo2/bar/baz") },     FPL("")},
 573     { { FPL("/foo/bar.txt"),  FPL("/foo/bar/baz") },      FPL("")},
 574     { { FPL("/foo/bar"),      FPL("/foo/bar2/baz") },     FPL("")},
 575     { { FPL("/foo/bar"),      FPL("/foo/bar") },          FPL("")},
 576     { { FPL("/foo/bar/baz"),  FPL("/foo/bar") },          FPL("")},
 577     { { FPL("foo/bar"),       FPL("foo/bar/baz") },       FPL("baz")},
 578     { { FPL("foo/bar"),       FPL("foo2/bar/baz") },      FPL("")},
 579     { { FPL("foo/bar"),       FPL("foo/bar2/baz") },      FPL("")},
 580     { { FPL(""),              FPL("foo") },               FPL("")},
 581 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 582     { { FPL("c:/foo/bar"),    FPL("c:/foo/bar/baz") },    FPL("baz")},
 583     { { FPL("E:/foo/bar"),    FPL("e:/foo/bar/baz") },    FPL("baz")},
 584     { { FPL("f:/foo/bar"),    FPL("F:/foo/bar/baz") },    FPL("baz")},
 585     { { FPL("E:/Foo/bar"),    FPL("e:/foo/bar/baz") },    FPL("")},
 586     { { FPL("f:/foo/bar"),    FPL("F:/foo/Bar/baz") },    FPL("")},
 587 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 588     { { FPL("c:/"),           FPL("c:/foo/bar/baz") },    FPL("foo\\bar\\baz")},
 589     // TODO(akalin): Figure out how to handle the corner case in the
 590     // commented-out test case below.  Appending to an empty path gives
 591     // /foo\bar\baz but appending to a nonempty path "blah" gives
 592     // blah\foo\bar\baz.
 593     // { { FPL("c:"),            FPL("c:/foo/bar/baz") }, FPL("foo\\bar\\baz")},
 594 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 595     { { FPL("c:/foo/bar"),    FPL("d:/foo/bar/baz") },    FPL("")},
 596     { { FPL("c:/foo/bar"),    FPL("D:/foo/bar/baz") },    FPL("")},
 597     { { FPL("C:/foo/bar"),    FPL("d:/foo/bar/baz") },    FPL("")},
 598     { { FPL("c:/foo/bar"),    FPL("c:/foo2/bar/baz") },   FPL("")},
 599     { { FPL("e:/foo/bar"),    FPL("E:/foo2/bar/baz") },   FPL("")},
 600     { { FPL("F:/foo/bar"),    FPL("f:/foo2/bar/baz") },   FPL("")},
 601     { { FPL("c:/foo/bar"),    FPL("c:/foo/bar2/baz") },   FPL("")},
 602 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 603 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 604     { { FPL("\\foo\\bar"),    FPL("\\foo\\bar\\baz") },   FPL("baz")},
 605     { { FPL("\\foo/bar"),     FPL("\\foo\\bar\\baz") },   FPL("baz")},
 606     { { FPL("\\foo/bar"),     FPL("\\foo/bar/baz") },     FPL("baz")},
 607     { { FPL("\\"),            FPL("\\foo\\bar\\baz") },   FPL("foo\\bar\\baz")},
 608     { { FPL(""),              FPL("\\foo\\bar\\baz") },   FPL("")},
 609     { { FPL("\\foo\\bar"),    FPL("\\foo2\\bar\\baz") },  FPL("")},
 610     { { FPL("\\foo\\bar"),    FPL("\\foo\\bar2\\baz") },  FPL("")},
 611 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 612   };
 613
 614   const FilePath base(FPL("blah"));
 615
 616   for (size_t i = 0; i < arraysize(cases); ++i) {
 617     FilePath parent(cases[i].inputs[0]);
 618     FilePath child(cases[i].inputs[1]);
 619     {
 620       FilePath result;
 621       bool success = parent.AppendRelativePath(child, &result);
 622       EXPECT_EQ(cases[i].expected[0] != '\0', success) <<
 623         "i: " << i << ", parent: " << parent.value() << ", child: " <<
 624         child.value();
 625       EXPECT_STREQ(cases[i].expected, result.value().c_str()) <<
 626         "i: " << i << ", parent: " << parent.value() << ", child: " <<
 627         child.value();
 628     }
 629     {
 630       FilePath result(base);
 631       bool success = parent.AppendRelativePath(child, &result);
 632       EXPECT_EQ(cases[i].expected[0] != '\0', success) <<
 633         "i: " << i << ", parent: " << parent.value() << ", child: " <<
 634         child.value();
 635       EXPECT_EQ(base.Append(cases[i].expected).value(), result.value()) <<
 636         "i: " << i << ", parent: " << parent.value() << ", child: " <<
 637         child.value();
 638     }
 639   }
 640 }
 641
 642 TEST_F(FilePathTest, EqualityTest) {
 643   const struct BinaryBooleanTestData cases[] = {
 644     { { FPL("/foo/bar/baz"),  FPL("/foo/bar/baz") },      true},
 645     { { FPL("/foo/bar"),      FPL("/foo/bar/baz") },      false},
 646     { { FPL("/foo/bar/baz"),  FPL("/foo/bar") },          false},
 647     { { FPL("//foo/bar/"),    FPL("//foo/bar/") },        true},
 648     { { FPL("/foo/bar"),      FPL("/foo2/bar") },         false},
 649     { { FPL("/foo/bar.txt"),  FPL("/foo/bar") },          false},
 650     { { FPL("foo/bar"),       FPL("foo/bar") },           true},
 651     { { FPL("foo/bar"),       FPL("foo/bar/baz") },       false},
 652     { { FPL(""),              FPL("foo") },               false},
 653 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 654     { { FPL("c:/foo/bar"),    FPL("c:/foo/bar") },        true},
 655     { { FPL("E:/foo/bar"),    FPL("e:/foo/bar") },        true},
 656     { { FPL("f:/foo/bar"),    FPL("F:/foo/bar") },        true},
 657     { { FPL("E:/Foo/bar"),    FPL("e:/foo/bar") },        false},
 658     { { FPL("f:/foo/bar"),    FPL("F:/foo/Bar") },        false},
 659     { { FPL("c:/"),           FPL("c:/") },               true},
 660     { { FPL("c:"),            FPL("c:") },                true},
 661     { { FPL("c:/foo/bar"),    FPL("d:/foo/bar") },        false},
 662     { { FPL("c:/foo/bar"),    FPL("D:/foo/bar") },        false},
 663     { { FPL("C:/foo/bar"),    FPL("d:/foo/bar") },        false},
 664     { { FPL("c:/foo/bar"),    FPL("c:/foo2/bar") },       false},
 665 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 666 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 667     { { FPL("\\foo\\bar"),    FPL("\\foo\\bar") },        true},
 668     { { FPL("\\foo/bar"),     FPL("\\foo/bar") },         true},
 669     { { FPL("\\foo/bar"),     FPL("\\foo\\bar") },        false},
 670     { { FPL("\\"),            FPL("\\") },                true},
 671     { { FPL("\\"),            FPL("/") },                 false},
 672     { { FPL(""),              FPL("\\") },                false},
 673     { { FPL("\\foo\\bar"),    FPL("\\foo2\\bar") },       false},
 674     { { FPL("\\foo\\bar"),    FPL("\\foo\\bar2") },       false},
 675 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 676     { { FPL("c:\\foo\\bar"),    FPL("c:\\foo\\bar") },    true},
 677     { { FPL("E:\\foo\\bar"),    FPL("e:\\foo\\bar") },    true},
 678     { { FPL("f:\\foo\\bar"),    FPL("F:\\foo/bar") },     false},
 679 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 680 #endif  // FILE_PATH_USES_WIN_SEPARATORS
 681   };
 682
 683   for (size_t i = 0; i < arraysize(cases); ++i) {
 684     FilePath a(cases[i].inputs[0]);
 685     FilePath b(cases[i].inputs[1]);
 686
 687     EXPECT_EQ(a == b, cases[i].expected) <<
 688       "equality i: " << i << ", a: " << a.value() << ", b: " <<
 689       b.value();
 690   }
 691
 692   for (size_t i = 0; i < arraysize(cases); ++i) {
 693     FilePath a(cases[i].inputs[0]);
 694     FilePath b(cases[i].inputs[1]);
 695
 696     EXPECT_EQ(a != b, !cases[i].expected) <<
 697       "inequality i: " << i << ", a: " << a.value() << ", b: " <<
 698       b.value();
 699   }
 700 }
 701
 702 TEST_F(FilePathTest, Extension) {
 703   FilePath base_dir(FILE_PATH_LITERAL("base_dir"));
 704
 705   FilePath jpg = base_dir.Append(FILE_PATH_LITERAL("foo.jpg"));
 706   EXPECT_EQ(FILE_PATH_LITERAL(".jpg"), jpg.Extension());
 707
 708   FilePath base = jpg.BaseName().RemoveExtension();
 709   EXPECT_EQ(FILE_PATH_LITERAL("foo"), base.value());
 710
 711   FilePath path_no_ext = base_dir.Append(base);
 712   EXPECT_EQ(path_no_ext.value(), jpg.RemoveExtension().value());
 713
 714   EXPECT_EQ(path_no_ext.value(), path_no_ext.RemoveExtension().value());
 715   EXPECT_EQ(FILE_PATH_LITERAL(""), path_no_ext.Extension());
 716 }
 717
 718 TEST_F(FilePathTest, Extension2) {
 719   const struct UnaryTestData cases[] = {
 720 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 721     { FPL("C:\\a\\b\\c.ext"),        FPL(".ext") },
 722     { FPL("C:\\a\\b\\c."),           FPL(".") },
 723     { FPL("C:\\a\\b\\c"),            FPL("") },
 724     { FPL("C:\\a\\b\\"),             FPL("") },
 725     { FPL("C:\\a\\b.\\"),            FPL(".") },
 726     { FPL("C:\\a\\b\\c.ext1.ext2"),  FPL(".ext2") },
 727     { FPL("C:\\foo.bar\\\\\\"),      FPL(".bar") },
 728     { FPL("C:\\foo.bar\\.."),        FPL("") },
 729     { FPL("C:\\foo.bar\\..\\\\"),    FPL("") },
 730 #endif
 731     { FPL("/foo/bar/baz.ext"),       FPL(".ext") },
 732     { FPL("/foo/bar/baz."),          FPL(".") },
 733     { FPL("/foo/bar/baz.."),         FPL(".") },
 734     { FPL("/foo/bar/baz"),           FPL("") },
 735     { FPL("/foo/bar/"),              FPL("") },
 736     { FPL("/foo/bar./"),             FPL(".") },
 737     { FPL("/foo/bar/baz.ext1.ext2"), FPL(".ext2") },
 738     { FPL("/foo.tar.gz"),            FPL(".tar.gz") },
 739     { FPL("/foo.tar.Z"),             FPL(".tar.Z") },
 740     { FPL("/foo.tar.bz2"),           FPL(".tar.bz2") },
 741     { FPL("/subversion-1.6.12.zip"), FPL(".zip") },
 742     { FPL("/foo.1234.gz"),           FPL(".1234.gz") },
 743     { FPL("/foo.12345.gz"),          FPL(".gz") },
 744     { FPL("/foo..gz"),               FPL(".gz") },
 745     { FPL("/foo.1234.tar.gz"),       FPL(".tar.gz") },
 746     { FPL("/foo.tar.tar.gz"),        FPL(".tar.gz") },
 747     { FPL("/foo.tar.gz.gz"),         FPL(".gz.gz") },
 748     { FPL("."),                      FPL("") },
 749     { FPL(".."),                     FPL("") },
 750     { FPL("./foo"),                  FPL("") },
 751     { FPL("./foo.ext"),              FPL(".ext") },
 752     { FPL("/foo.ext1/bar.ext2"),     FPL(".ext2") },
 753     { FPL("/foo.bar////"),           FPL(".bar") },
 754     { FPL("/foo.bar/.."),            FPL("") },
 755     { FPL("/foo.bar/..////"),        FPL("") },
 756   };
 757   for (unsigned int i = 0; i < arraysize(cases); ++i) {
 758     FilePath path(cases[i].input);
 759     FilePath::StringType extension = path.Extension();
 760     EXPECT_STREQ(cases[i].expected, extension.c_str()) << "i: " << i <<
 761         ", path: " << path.value();
 762   }
 763 }
 764
 765 TEST_F(FilePathTest, InsertBeforeExtension) {
 766   const struct BinaryTestData cases[] = {
 767     { { FPL(""),                FPL("") },        FPL("") },
 768     { { FPL(""),                FPL("txt") },     FPL("") },
 769     { { FPL("."),               FPL("txt") },     FPL("") },
 770     { { FPL(".."),              FPL("txt") },     FPL("") },
 771     { { FPL("foo.dll"),         FPL("txt") },     FPL("footxt.dll") },
 772     { { FPL("."),               FPL("") },        FPL(".") },
 773     { { FPL("foo.dll"),         FPL(".txt") },    FPL("foo.txt.dll") },
 774     { { FPL("foo"),             FPL("txt") },     FPL("footxt") },
 775     { { FPL("foo"),             FPL(".txt") },    FPL("foo.txt") },
 776     { { FPL("foo.baz.dll"),     FPL("txt") },     FPL("foo.baztxt.dll") },
 777     { { FPL("foo.baz.dll"),     FPL(".txt") },    FPL("foo.baz.txt.dll") },
 778     { { FPL("foo.dll"),         FPL("") },        FPL("foo.dll") },
 779     { { FPL("foo.dll"),         FPL(".") },       FPL("foo..dll") },
 780     { { FPL("foo"),             FPL("") },        FPL("foo") },
 781     { { FPL("foo"),             FPL(".") },       FPL("foo.") },
 782     { { FPL("foo.baz.dll"),     FPL("") },        FPL("foo.baz.dll") },
 783     { { FPL("foo.baz.dll"),     FPL(".") },       FPL("foo.baz..dll") },
 784 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 785     { { FPL("\\"),              FPL("") },        FPL("\\") },
 786     { { FPL("\\"),              FPL("txt") },     FPL("\\txt") },
 787     { { FPL("\\."),             FPL("txt") },     FPL("") },
 788     { { FPL("\\.."),            FPL("txt") },     FPL("") },
 789     { { FPL("\\."),             FPL("") },        FPL("\\.") },
 790     { { FPL("C:\\bar\\foo.dll"), FPL("txt") },
 791         FPL("C:\\bar\\footxt.dll") },
 792     { { FPL("C:\\bar.baz\\foodll"), FPL("txt") },
 793         FPL("C:\\bar.baz\\foodlltxt") },
 794     { { FPL("C:\\bar.baz\\foo.dll"), FPL("txt") },
 795         FPL("C:\\bar.baz\\footxt.dll") },
 796     { { FPL("C:\\bar.baz\\foo.dll.exe"), FPL("txt") },
 797         FPL("C:\\bar.baz\\foo.dlltxt.exe") },
 798     { { FPL("C:\\bar.baz\\foo"), FPL("") },
 799         FPL("C:\\bar.baz\\foo") },
 800     { { FPL("C:\\bar.baz\\foo.exe"), FPL("") },
 801         FPL("C:\\bar.baz\\foo.exe") },
 802     { { FPL("C:\\bar.baz\\foo.dll.exe"), FPL("") },
 803         FPL("C:\\bar.baz\\foo.dll.exe") },
 804     { { FPL("C:\\bar\\baz\\foo.exe"), FPL(" (1)") },
 805         FPL("C:\\bar\\baz\\foo (1).exe") },
 806     { { FPL("C:\\foo.baz\\\\"), FPL(" (1)") },    FPL("C:\\foo (1).baz") },
 807     { { FPL("C:\\foo.baz\\..\\"), FPL(" (1)") },  FPL("") },
 808 #endif
 809     { { FPL("/"),               FPL("") },        FPL("/") },
 810     { { FPL("/"),               FPL("txt") },     FPL("/txt") },
 811     { { FPL("/."),              FPL("txt") },     FPL("") },
 812     { { FPL("/.."),             FPL("txt") },     FPL("") },
 813     { { FPL("/."),              FPL("") },        FPL("/.") },
 814     { { FPL("/bar/foo.dll"),    FPL("txt") },     FPL("/bar/footxt.dll") },
 815     { { FPL("/bar.baz/foodll"), FPL("txt") },     FPL("/bar.baz/foodlltxt") },
 816     { { FPL("/bar.baz/foo.dll"), FPL("txt") },    FPL("/bar.baz/footxt.dll") },
 817     { { FPL("/bar.baz/foo.dll.exe"), FPL("txt") },
 818         FPL("/bar.baz/foo.dlltxt.exe") },
 819     { { FPL("/bar.baz/foo"),    FPL("") },        FPL("/bar.baz/foo") },
 820     { { FPL("/bar.baz/foo.exe"), FPL("") },       FPL("/bar.baz/foo.exe") },
 821     { { FPL("/bar.baz/foo.dll.exe"), FPL("") },   FPL("/bar.baz/foo.dll.exe") },
 822     { { FPL("/bar/baz/foo.exe"), FPL(" (1)") },   FPL("/bar/baz/foo (1).exe") },
 823     { { FPL("/bar/baz/..////"), FPL(" (1)") },    FPL("") },
 824   };
 825   for (unsigned int i = 0; i < arraysize(cases); ++i) {
 826     FilePath path(cases[i].inputs[0]);
 827     FilePath result = path.InsertBeforeExtension(cases[i].inputs[1]);
 828     EXPECT_EQ(cases[i].expected, result.value()) << "i: " << i <<
 829         ", path: " << path.value() << ", insert: " << cases[i].inputs[1];
 830   }
 831 }
 832
 833 TEST_F(FilePathTest, RemoveExtension) {
 834   const struct UnaryTestData cases[] = {
 835     { FPL(""),                    FPL("") },
 836     { FPL("."),                   FPL(".") },
 837     { FPL(".."),                  FPL("..") },
 838     { FPL("foo.dll"),             FPL("foo") },
 839     { FPL("./foo.dll"),           FPL("./foo") },
 840     { FPL("foo..dll"),            FPL("foo.") },
 841     { FPL("foo"),                 FPL("foo") },
 842     { FPL("foo."),                FPL("foo") },
 843     { FPL("foo.."),               FPL("foo.") },
 844     { FPL("foo.baz.dll"),         FPL("foo.baz") },
 845     { FPL("foo.tar.gz"),          FPL("foo") },
 846 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 847     { FPL("C:\\foo.bar\\foo"),    FPL("C:\\foo.bar\\foo") },
 848     { FPL("C:\\foo.bar\\..\\\\"), FPL("C:\\foo.bar\\..\\\\") },
 849 #endif
 850     { FPL("/foo.bar/foo"),        FPL("/foo.bar/foo") },
 851     { FPL("/foo.bar/..////"),     FPL("/foo.bar/..////") },
 852   };
 853   for (unsigned int i = 0; i < arraysize(cases); ++i) {
 854     FilePath path(cases[i].input);
 855     FilePath removed = path.RemoveExtension();
 856     EXPECT_EQ(cases[i].expected, removed.value()) << "i: " << i <<
 857         ", path: " << path.value();
 858   }
 859 }
 860
 861 TEST_F(FilePathTest, ReplaceExtension) {
 862   const struct BinaryTestData cases[] = {
 863     { { FPL(""),              FPL("") },      FPL("") },
 864     { { FPL(""),              FPL("txt") },   FPL("") },
 865     { { FPL("."),             FPL("txt") },   FPL("") },
 866     { { FPL(".."),            FPL("txt") },   FPL("") },
 867     { { FPL("."),             FPL("") },      FPL("") },
 868     { { FPL("foo.dll"),       FPL("txt") },   FPL("foo.txt") },
 869     { { FPL("./foo.dll"),     FPL("txt") },   FPL("./foo.txt") },
 870     { { FPL("foo..dll"),      FPL("txt") },   FPL("foo..txt") },
 871     { { FPL("foo.dll"),       FPL(".txt") },  FPL("foo.txt") },
 872     { { FPL("foo"),           FPL("txt") },   FPL("foo.txt") },
 873     { { FPL("foo."),          FPL("txt") },   FPL("foo.txt") },
 874     { { FPL("foo.."),         FPL("txt") },   FPL("foo..txt") },
 875     { { FPL("foo"),           FPL(".txt") },  FPL("foo.txt") },
 876     { { FPL("foo.baz.dll"),   FPL("txt") },   FPL("foo.baz.txt") },
 877     { { FPL("foo.baz.dll"),   FPL(".txt") },  FPL("foo.baz.txt") },
 878     { { FPL("foo.dll"),       FPL("") },      FPL("foo") },
 879     { { FPL("foo.dll"),       FPL(".") },     FPL("foo") },
 880     { { FPL("foo"),           FPL("") },      FPL("foo") },
 881     { { FPL("foo"),           FPL(".") },     FPL("foo") },
 882     { { FPL("foo.baz.dll"),   FPL("") },      FPL("foo.baz") },
 883     { { FPL("foo.baz.dll"),   FPL(".") },     FPL("foo.baz") },
 884 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 885     { { FPL("C:\\foo.bar\\foo"),    FPL("baz") }, FPL("C:\\foo.bar\\foo.baz") },
 886     { { FPL("C:\\foo.bar\\..\\\\"), FPL("baz") }, FPL("") },
 887 #endif
 888     { { FPL("/foo.bar/foo"),        FPL("baz") }, FPL("/foo.bar/foo.baz") },
 889     { { FPL("/foo.bar/..////"),     FPL("baz") }, FPL("") },
 890   };
 891   for (unsigned int i = 0; i < arraysize(cases); ++i) {
 892     FilePath path(cases[i].inputs[0]);
 893     FilePath replaced = path.ReplaceExtension(cases[i].inputs[1]);
 894     EXPECT_EQ(cases[i].expected, replaced.value()) << "i: " << i <<
 895         ", path: " << path.value() << ", replace: " << cases[i].inputs[1];
 896   }
 897 }
 898
 899 TEST_F(FilePathTest, MatchesExtension) {
 900   const struct BinaryBooleanTestData cases[] = {
 901     { { FPL("foo"),                     FPL("") },                    true},
 902     { { FPL("foo"),                     FPL(".") },                   false},
 903     { { FPL("foo."),                    FPL("") },                    false},
 904     { { FPL("foo."),                    FPL(".") },                   true},
 905     { { FPL("foo.txt"),                 FPL(".dll") },                false},
 906     { { FPL("foo.txt"),                 FPL(".txt") },                true},
 907     { { FPL("foo.txt.dll"),             FPL(".txt") },                false},
 908     { { FPL("foo.txt.dll"),             FPL(".dll") },                true},
 909     { { FPL("foo.TXT"),                 FPL(".txt") },                true},
 910     { { FPL("foo.txt"),                 FPL(".TXT") },                true},
 911     { { FPL("foo.tXt"),                 FPL(".txt") },                true},
 912     { { FPL("foo.txt"),                 FPL(".tXt") },                true},
 913     { { FPL("foo.tXt"),                 FPL(".TXT") },                true},
 914     { { FPL("foo.tXt"),                 FPL(".tXt") },                true},
 915 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 916     { { FPL("c:/foo.txt.dll"),          FPL(".txt") },                false},
 917     { { FPL("c:/foo.txt"),              FPL(".txt") },                true},
 918 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 919 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
 920     { { FPL("c:\\bar\\foo.txt.dll"),    FPL(".txt") },                false},
 921     { { FPL("c:\\bar\\foo.txt"),        FPL(".txt") },                true},
 922 #endif  // FILE_PATH_USES_DRIVE_LETTERS
 923     { { FPL("/bar/foo.txt.dll"),        FPL(".txt") },                false},
 924     { { FPL("/bar/foo.txt"),            FPL(".txt") },                true},
 925 #if defined(OS_WIN) || defined(OS_MACOSX)
 926     // Umlauts A, O, U: direct comparison, and upper case vs. lower case
 927     { { FPL("foo.\u00E4\u00F6\u00FC"),  FPL(".\u00E4\u00F6\u00FC") }, true},
 928     { { FPL("foo.\u00C4\u00D6\u00DC"),  FPL(".\u00E4\u00F6\u00FC") }, true},
 929     // C with circumflex: direct comparison, and upper case vs. lower case
 930     { { FPL("foo.\u0109"),              FPL(".\u0109") },             true},
 931     { { FPL("foo.\u0108"),              FPL(".\u0109") },             true},
 932 #endif
 933   };
 934
 935   for (size_t i = 0; i < arraysize(cases); ++i) {
 936     FilePath path(cases[i].inputs[0]);
 937     FilePath::StringType ext(cases[i].inputs[1]);
 938
 939     EXPECT_EQ(cases[i].expected, path.MatchesExtension(ext)) <<
 940         "i: " << i << ", path: " << path.value() << ", ext: " << ext;
 941   }
 942 }
 943
 944 TEST_F(FilePathTest, CompareIgnoreCase) {
 945   const struct BinaryIntTestData cases[] = {
 946     { { FPL("foo"),                          FPL("foo") },                  0},
 947     { { FPL("FOO"),                          FPL("foo") },                  0},
 948     { { FPL("foo.ext"),                      FPL("foo.ext") },              0},
 949     { { FPL("FOO.EXT"),                      FPL("foo.ext") },              0},
 950     { { FPL("Foo.Ext"),                      FPL("foo.ext") },              0},
 951     { { FPL("foO"),                          FPL("foo") },                  0},
 952     { { FPL("foo"),                          FPL("foO") },                  0},
 953     { { FPL("fOo"),                          FPL("foo") },                  0},
 954     { { FPL("foo"),                          FPL("fOo") },                  0},
 955     { { FPL("bar"),                          FPL("foo") },                 -1},
 956     { { FPL("foo"),                          FPL("bar") },                  1},
 957     { { FPL("BAR"),                          FPL("foo") },                 -1},
 958     { { FPL("FOO"),                          FPL("bar") },                  1},
 959     { { FPL("bar"),                          FPL("FOO") },                 -1},
 960     { { FPL("foo"),                          FPL("BAR") },                  1},
 961     { { FPL("BAR"),                          FPL("FOO") },                 -1},
 962     { { FPL("FOO"),                          FPL("BAR") },                  1},
 963     // German "Eszett" (lower case and the new-fangled upper case)
 964     // Note that uc(<lowercase eszett>) => "SS", NOT <uppercase eszett>!
 965     // However, neither Windows nor Mac OSX converts these.
 966     // (or even have glyphs for <uppercase eszett>)
 967     { { FPL("\u00DF"),                       FPL("\u00DF") },               0},
 968     { { FPL("\u1E9E"),                       FPL("\u1E9E") },               0},
 969     { { FPL("\u00DF"),                       FPL("\u1E9E") },              -1},
 970     { { FPL("SS"),                           FPL("\u00DF") },              -1},
 971     { { FPL("SS"),                           FPL("\u1E9E") },              -1},
 972 #if defined(OS_WIN) || defined(OS_MACOSX)
 973     // Umlauts A, O, U: direct comparison, and upper case vs. lower case
 974     { { FPL("\u00E4\u00F6\u00FC"),           FPL("\u00E4\u00F6\u00FC") },   0},
 975     { { FPL("\u00C4\u00D6\u00DC"),           FPL("\u00E4\u00F6\u00FC") },   0},
 976     // C with circumflex: direct comparison, and upper case vs. lower case
 977     { { FPL("\u0109"),                       FPL("\u0109") },               0},
 978     { { FPL("\u0108"),                       FPL("\u0109") },               0},
 979     // Cyrillic letter SHA: direct comparison, and upper case vs. lower case
 980     { { FPL("\u0428"),                       FPL("\u0428") },               0},
 981     { { FPL("\u0428"),                       FPL("\u0448") },               0},
 982     // Greek letter DELTA: direct comparison, and upper case vs. lower case
 983     { { FPL("\u0394"),                       FPL("\u0394") },               0},
 984     { { FPL("\u0394"),                       FPL("\u03B4") },               0},
 985     // Japanese full-width A: direct comparison, and upper case vs. lower case
 986     // Note that full-width and standard characters are considered different.
 987     { { FPL("\uFF21"),                       FPL("\uFF21") },               0},
 988     { { FPL("\uFF21"),                       FPL("\uFF41") },               0},
 989     { { FPL("A"),                            FPL("\uFF21") },              -1},
 990     { { FPL("A"),                            FPL("\uFF41") },              -1},
 991     { { FPL("a"),                            FPL("\uFF21") },              -1},
 992     { { FPL("a"),                            FPL("\uFF41") },              -1},
 993 #endif
 994 #if defined(OS_MACOSX)
 995     // Codepoints > 0x1000
 996     // Georgian letter DON: direct comparison, and upper case vs. lower case
 997     { { FPL("\u10A3"),                       FPL("\u10A3") },               0},
 998     { { FPL("\u10A3"),                       FPL("\u10D3") },               0},
 999     // Combining characters vs. pre-composed characters, upper and lower case
1000     { { FPL("k\u0301u\u032Do\u0304\u0301n"), FPL("\u1E31\u1E77\u1E53n") },  0},
1001     { { FPL("k\u0301u\u032Do\u0304\u0301n"), FPL("kuon") },                 1},
1002     { { FPL("kuon"), FPL("k\u0301u\u032Do\u0304\u0301n") },                -1},
1003     { { FPL("K\u0301U\u032DO\u0304\u0301N"), FPL("KUON") },                 1},
1004     { { FPL("KUON"), FPL("K\u0301U\u032DO\u0304\u0301N") },                -1},
1005     { { FPL("k\u0301u\u032Do\u0304\u0301n"), FPL("KUON") },                 1},
1006     { { FPL("K\u0301U\u032DO\u0304\u0301N"), FPL("\u1E31\u1E77\u1E53n") },  0},
1007     { { FPL("k\u0301u\u032Do\u0304\u0301n"), FPL("\u1E30\u1E76\u1E52n") },  0},
1008     { { FPL("k\u0301u\u032Do\u0304\u0302n"), FPL("\u1E30\u1E76\u1E52n") },  1},
1009 #endif
1010   };
1011
1012   for (size_t i = 0; i < arraysize(cases); ++i) {
1013     FilePath::StringType s1(cases[i].inputs[0]);
1014     FilePath::StringType s2(cases[i].inputs[1]);
1015     int result = FilePath::CompareIgnoreCase(s1, s2);
1016     EXPECT_EQ(cases[i].expected, result) <<
1017         "i: " << i << ", s1: " << s1 << ", s2: " << s2;
1018   }
1019 }
1020
1021 TEST_F(FilePathTest, ReferencesParent) {
1022   const struct UnaryBooleanTestData cases[] = {
1023     { FPL("."),        false },
1024     { FPL(".."),       true },
1025     { FPL("a.."),      false },
1026     { FPL("..a"),      false },
1027     { FPL("../"),      true },
1028     { FPL("/.."),      true },
1029     { FPL("/../"),     true },
1030     { FPL("/a../"),    false },
1031     { FPL("/..a/"),    false },
1032     { FPL("//.."),     true },
1033     { FPL("..//"),     true },
1034     { FPL("//..//"),   true },
1035     { FPL("a//..//c"), true },
1036     { FPL("../b/c"),   true },
1037     { FPL("/../b/c"),  true },
1038     { FPL("a/b/.."),   true },
1039     { FPL("a/b/../"),  true },
1040     { FPL("a/../c"),   true },
1041     { FPL("a/b/c"),    false },
1042   };
1043
1044   for (size_t i = 0; i < arraysize(cases); ++i) {
1045     FilePath input(cases[i].input);
1046     bool observed = input.ReferencesParent();
1047     EXPECT_EQ(cases[i].expected, observed) <<
1048               "i: " << i << ", input: " << input.value();
1049   }
1050 }
1051
1052 TEST_F(FilePathTest, FromUTF8Unsafe_And_AsUTF8Unsafe) {
1053   const struct UTF8TestData cases[] = {
1054     { FPL("foo.txt"), "foo.txt" },
1055     // "aeo" with accents. Use http://0xcc.net/jsescape/ to decode them.
1056     { FPL("\u00E0\u00E8\u00F2.txt"), "\xC3\xA0\xC3\xA8\xC3\xB2.txt" },
1057     // Full-width "ABC".
1058     { FPL("\uFF21\uFF22\uFF23.txt"),
1059       "\xEF\xBC\xA1\xEF\xBC\xA2\xEF\xBC\xA3.txt" },
1060   };
1061
1062   for (size_t i = 0; i < arraysize(cases); ++i) {
1063     // Test FromUTF8Unsafe() works.
1064     FilePath from_utf8 = FilePath::FromUTF8Unsafe(cases[i].utf8);
1065     EXPECT_EQ(cases[i].native, from_utf8.value())
1066         << "i: " << i << ", input: " << cases[i].native;
1067     // Test AsUTF8Unsafe() works.
1068     FilePath from_native = FilePath(cases[i].native);
1069     EXPECT_EQ(cases[i].utf8, from_native.AsUTF8Unsafe())
1070         << "i: " << i << ", input: " << cases[i].native;
1071     // Test the two file paths are identical.
1072     EXPECT_EQ(from_utf8.value(), from_native.value());
1073   }
1074 }
1075
1076 #if defined(FILE_PATH_USES_WIN_SEPARATORS)
1077 TEST_F(FilePathTest, NormalizeWindowsPathSeparators) {
1078   const struct UnaryTestData cases[] = {
1079     { FPL("foo/bar"), FPL("foo\\bar") },
1080     { FPL("foo/bar\\betz"), FPL("foo\\bar\\betz") },
1081     { FPL("foo\\bar"), FPL("foo\\bar") },
1082     { FPL("foo\\bar/betz"), FPL("foo\\bar\\betz") },
1083     { FPL("foo"), FPL("foo") },
1084     // Trailing slashes don't automatically get stripped.  That's what
1085     // StripTrailingSeparators() is for.
1086     { FPL("foo\\"), FPL("foo\\") },
1087     { FPL("foo/"), FPL("foo\\") },
1088     { FPL("foo/bar\\"), FPL("foo\\bar\\") },
1089     { FPL("foo\\bar/"), FPL("foo\\bar\\") },
1090     { FPL("foo/bar/"), FPL("foo\\bar\\") },
1091     { FPL("foo\\bar\\"), FPL("foo\\bar\\") },
1092     { FPL("\\foo/bar"), FPL("\\foo\\bar") },
1093     { FPL("/foo\\bar"), FPL("\\foo\\bar") },
1094     { FPL("c:/foo/bar/"), FPL("c:\\foo\\bar\\") },
1095     { FPL("/foo/bar/"), FPL("\\foo\\bar\\") },
1096     { FPL("\\foo\\bar\\"), FPL("\\foo\\bar\\") },
1097     { FPL("c:\\foo/bar"), FPL("c:\\foo\\bar") },
1098     { FPL("//foo\\bar\\"), FPL("\\\\foo\\bar\\") },
1099     { FPL("\\\\foo\\bar\\"), FPL("\\\\foo\\bar\\") },
1100     { FPL("//foo\\bar\\"), FPL("\\\\foo\\bar\\") },
1101     // This method does not normalize the number of path separators.
1102     { FPL("foo\\\\bar"), FPL("foo\\\\bar") },
1103     { FPL("foo//bar"), FPL("foo\\\\bar") },
1104     { FPL("foo/\\bar"), FPL("foo\\\\bar") },
1105     { FPL("foo\\/bar"), FPL("foo\\\\bar") },
1106     { FPL("///foo\\\\bar"), FPL("\\\\\\foo\\\\bar") },
1107     { FPL("foo//bar///"), FPL("foo\\\\bar\\\\\\") },
1108     { FPL("foo/\\bar/\\"), FPL("foo\\\\bar\\\\") },
1109     { FPL("/\\foo\\/bar"), FPL("\\\\foo\\\\bar") },
1110   };
1111   for (size_t i = 0; i < arraysize(cases); ++i) {
1112     FilePath input(cases[i].input);
1113     FilePath observed = input.NormalizeWindowsPathSeparators();
1114     EXPECT_EQ(FilePath::StringType(cases[i].expected), observed.value()) <<
1115               "i: " << i << ", input: " << input.value();
1116   }
1117 }
1118
1119 #endif