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      1 // Copyright (c) 2009 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/i18n/file_util_icu.h"
      6 
      7 #include "base/file_util.h"
      8 #include "base/path_service.h"
      9 #include "base/utf_string_conversions.h"
     10 #include "testing/gtest/include/gtest/gtest.h"
     11 #include "testing/platform_test.h"
     12 
     13 // file_util winds up using autoreleased objects on the Mac, so this needs
     14 // to be a PlatformTest
     15 class FileUtilICUTest : public PlatformTest {
     16  protected:
     17   virtual void SetUp() {
     18     PlatformTest::SetUp();
     19     // Name a subdirectory of the temp directory.
     20     ASSERT_TRUE(PathService::Get(base::DIR_TEMP, &test_dir_));
     21     test_dir_ = test_dir_.Append(FILE_PATH_LITERAL("FileUtilTest"));
     22 
     23     // Create a fresh, empty copy of this directory.
     24     file_util::Delete(test_dir_, true);
     25     file_util::CreateDirectory(test_dir_);
     26   }
     27   virtual void TearDown() {
     28     PlatformTest::TearDown();
     29     // Clean up test directory
     30     ASSERT_TRUE(file_util::Delete(test_dir_, true));
     31     ASSERT_FALSE(file_util::PathExists(test_dir_));
     32   }
     33 
     34   // the path to temporary directory used to contain the test operations
     35   FilePath test_dir_;
     36 };
     37 
     38 #if defined(OS_POSIX) && !defined(OS_MACOSX)
     39 
     40 // Linux disallows some evil ASCII characters, but passes all non-ASCII.
     41 static const struct goodbad_pair {
     42   const char* bad_name;
     43   const char* good_name;
     44 } kIllegalCharacterCases[] = {
     45   {"bad*file:name?.jpg", "bad-file-name-.jpg"},
     46   {"**********::::.txt", "--------------.txt"},
     47   {"\xe9\xf0zzzz.\xff", "\xe9\xf0zzzz.\xff"},
     48 };
     49 
     50 TEST_F(FileUtilICUTest, ReplaceIllegalCharacersInPathLinuxTest) {
     51   for (size_t i = 0; i < arraysize(kIllegalCharacterCases); ++i) {
     52     std::string bad_name(kIllegalCharacterCases[i].bad_name);
     53     file_util::ReplaceIllegalCharactersInPath(&bad_name, '-');
     54     EXPECT_EQ(kIllegalCharacterCases[i].good_name, bad_name);
     55   }
     56 }
     57 
     58 #else
     59 
     60 // For Mac & Windows, which both do Unicode validation on filenames. These
     61 // characters are given as wide strings since its more convenient to specify
     62 // unicode characters. For Mac they should be converted to UTF-8.
     63 static const struct goodbad_pair {
     64   const wchar_t* bad_name;
     65   const wchar_t* good_name;
     66 } kIllegalCharacterCases[] = {
     67   {L"bad*file:name?.jpg", L"bad-file-name-.jpg"},
     68   {L"**********::::.txt", L"--------------.txt"},
     69   // We can't use UCNs (universal character names) for C0/C1 characters and
     70   // U+007F, but \x escape is interpreted by MSVC and gcc as we intend.
     71   {L"bad\x0003\x0091 file\u200E\u200Fname.png", L"bad-- file--name.png"},
     72 #if defined(OS_WIN)
     73   {L"bad*file\\name.jpg", L"bad-file-name.jpg"},
     74   {L"\t  bad*file\\name/.jpg ", L"bad-file-name-.jpg"},
     75 #elif defined(OS_MACOSX)
     76   {L"bad*file?name.jpg", L"bad-file-name.jpg"},
     77   {L"\t  bad*file?name/.jpg ", L"bad-file-name-.jpg"},
     78 #endif
     79   {L"this_file_name is okay!.mp3", L"this_file_name is okay!.mp3"},
     80   {L"\u4E00\uAC00.mp3", L"\u4E00\uAC00.mp3"},
     81   {L"\u0635\u200C\u0644.mp3", L"\u0635\u200C\u0644.mp3"},
     82   {L"\U00010330\U00010331.mp3", L"\U00010330\U00010331.mp3"},
     83   // Unassigned codepoints are ok.
     84   {L"\u0378\U00040001.mp3", L"\u0378\U00040001.mp3"},
     85   // Non-characters are not allowed.
     86   {L"bad\uFFFFfile\U0010FFFEname.jpg ", L"bad-file-name.jpg"},
     87   {L"bad\uFDD0file\uFDEFname.jpg ", L"bad-file-name.jpg"},
     88 };
     89 
     90 TEST_F(FileUtilICUTest, ReplaceIllegalCharactersInPathTest) {
     91   for (size_t i = 0; i < arraysize(kIllegalCharacterCases); ++i) {
     92 #if defined(OS_WIN)
     93     std::wstring bad_name(kIllegalCharacterCases[i].bad_name);
     94     file_util::ReplaceIllegalCharactersInPath(&bad_name, '-');
     95     EXPECT_EQ(kIllegalCharacterCases[i].good_name, bad_name);
     96 #elif defined(OS_MACOSX)
     97     std::string bad_name(WideToUTF8(kIllegalCharacterCases[i].bad_name));
     98     file_util::ReplaceIllegalCharactersInPath(&bad_name, '-');
     99     EXPECT_EQ(WideToUTF8(kIllegalCharacterCases[i].good_name), bad_name);
    100 #endif
    101   }
    102 }
    103 
    104 #endif
    105 
    106