Move l10n_util to app/

chrome/common/l10n_util_unittest.cc

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "build/build_config.h"
-
-#include "base/basictypes.h"
-#include "base/file_util.h"
-#include "base/path_service.h"
-#include "base/stl_util-inl.h"
-#include "base/string_util.h"
-#if defined(OS_WIN)
-#include "base/win_util.h"
-#endif
-#include "chrome/common/chrome_paths.h"
-#include "chrome/common/l10n_util.h"
-#if !defined(OS_MACOSX)
-#include "chrome/test/data/resource.h"
-#endif
-#include "testing/gtest/include/gtest/gtest.h"
-#include "testing/platform_test.h"
-#include "unicode/locid.h"
-
-namespace {
-
-class StringWrapper {
- public:
-  explicit StringWrapper(const std::wstring& string) : string_(string) {}
-  const std::wstring& string() const { return string_; }
-
- private:
-  std::wstring string_;
-
-  DISALLOW_COPY_AND_ASSIGN(StringWrapper);
-};
-
-l10n_util::TextDirection GetTextDirection(const char* locale_name) {
-  return l10n_util::GetTextDirectionForLocale(locale_name);
-}
-
-}  // namespace
-
-class L10nUtilTest : public PlatformTest {
-};
-
-#if defined(OS_WIN)
-TEST_F(L10nUtilTest, GetString) {
-  std::wstring s = l10n_util::GetString(IDS_SIMPLE);
-  EXPECT_EQ(std::wstring(L"Hello World!"), s);
-
-  s = l10n_util::GetStringF(IDS_PLACEHOLDERS, L"chrome", L"10");
-  EXPECT_EQ(std::wstring(L"Hello, chrome. Your number is 10."), s);
-
-  s = l10n_util::GetStringF(IDS_PLACEHOLDERS_2, 20);
-  EXPECT_EQ(std::wstring(L"You owe me $20."), s);
-}
-#endif  // defined(OS_WIN)
-
-TEST_F(L10nUtilTest, TruncateString) {
-  std::wstring string(L"foooooey    bxxxar baz");
-
-  // Make sure it doesn't modify the string if length > string length.
-  EXPECT_EQ(string, l10n_util::TruncateString(string, 100));
-
-  // Test no characters.
-  EXPECT_EQ(L"", l10n_util::TruncateString(string, 0));
-
-  // Test 1 character.
-  EXPECT_EQ(L"\x2026", l10n_util::TruncateString(string, 1));
-
-  // Test adds ... at right spot when there is enough room to break at a
-  // word boundary.
-  EXPECT_EQ(L"foooooey\x2026", l10n_util::TruncateString(string, 14));
-
-  // Test adds ... at right spot when there is not enough space in first word.
-  EXPECT_EQ(L"f\x2026", l10n_util::TruncateString(string, 2));
-
-  // Test adds ... at right spot when there is not enough room to break at a
-  // word boundary.
-  EXPECT_EQ(L"foooooey\x2026", l10n_util::TruncateString(string, 11));
-
-  // Test completely truncates string if break is on initial whitespace.
-  EXPECT_EQ(L"\x2026", l10n_util::TruncateString(L"   ", 2));
-}
-
-void SetICUDefaultLocale(const std::wstring& locale_string) {
-  Locale locale(WideToASCII(locale_string).c_str());
-  UErrorCode error_code = U_ZERO_ERROR;
-  Locale::setDefault(locale, error_code);
-  EXPECT_TRUE(U_SUCCESS(error_code));
-}
-
-#if defined(OS_WIN) || defined(OS_LINUX)
-// We are disabling this test on MacOS because GetApplicationLocale() as an
-// API isn't something that we'll easily be able to unit test in this manner.
-// The meaning of that API, on the Mac, is "the locale used by Cocoa's main
-// nib file", which clearly can't be stubbed by a test app that doesn't use
-// Cocoa.
-TEST_F(L10nUtilTest, GetAppLocale) {
-  // Use a temporary locale dir so we don't have to actually build the locale
-  // dlls for this test.
-  FilePath orig_locale_dir;
-  PathService::Get(chrome::DIR_LOCALES, &orig_locale_dir);
-  FilePath new_locale_dir;
-  EXPECT_TRUE(file_util::CreateNewTempDirectory(
-      FILE_PATH_LITERAL("l10n_util_test"),
-      &new_locale_dir));
-  PathService::Override(chrome::DIR_LOCALES, new_locale_dir.ToWStringHack());
-  // Make fake locale files.
-  std::string filenames[] = {
-    "en-US",
-    "en-GB",
-    "fr",
-    "es-419",
-    "es",
-    "zh-TW",
-    "zh-CN",
-    "he",
-    "fil",
-    "nb",
-    "or",
-  };
-
-#if defined(OS_WIN)
-  static const char kLocaleFileExtension[] = ".dll";
-#elif defined(OS_POSIX)
-  static const char kLocaleFileExtension[] = ".pak";
-#endif
-  for (size_t i = 0; i < arraysize(filenames); ++i) {
-    FilePath filename = new_locale_dir.AppendASCII(
-        filenames[i] + kLocaleFileExtension);
-    file_util::WriteFile(filename, "", 0);
-  }
-
-  // Keep a copy of ICU's default locale before we overwrite it.
-  Locale locale = Locale::getDefault();
-
-  SetICUDefaultLocale(L"en-US");
-  EXPECT_EQ(L"en-US", l10n_util::GetApplicationLocale(L""));
-
-  SetICUDefaultLocale(L"en-GB");
-  EXPECT_EQ(L"en-GB", l10n_util::GetApplicationLocale(L""));
-
-  SetICUDefaultLocale(L"fr-CA");
-  EXPECT_EQ(L"fr", l10n_util::GetApplicationLocale(L""));
-
-  SetICUDefaultLocale(L"xx");
-  EXPECT_EQ(L"en-US", l10n_util::GetApplicationLocale(L""));
-
-  SetICUDefaultLocale(L"en-US");
-  EXPECT_EQ(L"fr", l10n_util::GetApplicationLocale(L"fr"));
-  EXPECT_EQ(L"fr", l10n_util::GetApplicationLocale(L"fr-CA"));
-
-  SetICUDefaultLocale(L"en-US");
-  // Aliases iw, no, tl to he, nb, fil.
-  EXPECT_EQ(L"he", l10n_util::GetApplicationLocale(L"iw"));
-  EXPECT_EQ(L"nb", l10n_util::GetApplicationLocale(L"no"));
-  EXPECT_EQ(L"fil", l10n_util::GetApplicationLocale(L"tl"));
-  // es-419 and es-XX (where XX is not Spain) should be
-  // mapped to es-419 (Latin American Spanish).
-  EXPECT_EQ(L"es-419", l10n_util::GetApplicationLocale(L"es-419"));
-  EXPECT_EQ(L"es", l10n_util::GetApplicationLocale(L"es-ES"));
-  EXPECT_EQ(L"es-419", l10n_util::GetApplicationLocale(L"es-AR"));
-
-  SetICUDefaultLocale(L"es-MX");
-  EXPECT_EQ(L"es-419", l10n_util::GetApplicationLocale(L""));
-
-  SetICUDefaultLocale(L"es-AR");
-  EXPECT_EQ(L"es-419", l10n_util::GetApplicationLocale(L""));
-  EXPECT_EQ(L"es", l10n_util::GetApplicationLocale(L"es"));
-
-  SetICUDefaultLocale(L"es-ES");
-  EXPECT_EQ(L"es", l10n_util::GetApplicationLocale(L""));
-
-  SetICUDefaultLocale(L"es");
-  EXPECT_EQ(L"es", l10n_util::GetApplicationLocale(L""));
-
-  SetICUDefaultLocale(L"zh-HK");
-  EXPECT_EQ(L"zh-TW", l10n_util::GetApplicationLocale(L""));
-  EXPECT_EQ(L"zh-CN", l10n_util::GetApplicationLocale(L"zh-CN"));
-
-  SetICUDefaultLocale(L"zh-MK");
-  EXPECT_EQ(L"zh-TW", l10n_util::GetApplicationLocale(L""));
-
-  SetICUDefaultLocale(L"zh-SG");
-  EXPECT_EQ(L"zh-CN", l10n_util::GetApplicationLocale(L""));
-
-  SetICUDefaultLocale(L"he");
-  EXPECT_EQ(L"en-US", l10n_util::GetApplicationLocale(L"en"));
-
-#if defined(OS_WIN)
-  // Oriya should be blocked unless OS is Vista or newer.
-  if (win_util::GetWinVersion() < win_util::WINVERSION_VISTA) {
-    SetICUDefaultLocale(L"or");
-    EXPECT_EQ(L"en-US", l10n_util::GetApplicationLocale(L""));
-    SetICUDefaultLocale(L"en-GB");
-    EXPECT_EQ(L"en-GB", l10n_util::GetApplicationLocale(L"or"));
-  } else {
-    SetICUDefaultLocale(L"or");
-    EXPECT_EQ(L"or", l10n_util::GetApplicationLocale(L""));
-    SetICUDefaultLocale(L"en-GB");
-    EXPECT_EQ(L"or", l10n_util::GetApplicationLocale(L"or"));
-  }
-#endif
-
-  // Clean up.
-  PathService::Override(chrome::DIR_LOCALES, orig_locale_dir.ToWStringHack());
-  file_util::Delete(new_locale_dir, true);
-  UErrorCode error_code = U_ZERO_ERROR;
-  Locale::setDefault(locale, error_code);
-}
-#endif
-
-TEST_F(L10nUtilTest, SortStringsUsingFunction) {
-  std::vector<StringWrapper*> strings;
-  strings.push_back(new StringWrapper(L"C"));
-  strings.push_back(new StringWrapper(L"d"));
-  strings.push_back(new StringWrapper(L"b"));
-  strings.push_back(new StringWrapper(L"a"));
-  l10n_util::SortStringsUsingMethod(L"en-US", &strings, &StringWrapper::string);
-  ASSERT_TRUE(L"a" == strings[0]->string());
-  ASSERT_TRUE(L"b" == strings[1]->string());
-  ASSERT_TRUE(L"C" == strings[2]->string());
-  ASSERT_TRUE(L"d" == strings[3]->string());
-  STLDeleteElements(&strings);
-}
-
-TEST_F(L10nUtilTest, GetFirstStrongCharacterDirection) {
-  // Test pure LTR string.
-  std::wstring string(L"foo bar");
-  EXPECT_EQ(l10n_util::LEFT_TO_RIGHT,
-            l10n_util::GetFirstStrongCharacterDirection(string));
-
-  // Test bidi string in which the first character with strong directionality
-  // is a character with type L.
-  string.assign(L"foo \x05d0 bar");
-  EXPECT_EQ(l10n_util::LEFT_TO_RIGHT,
-            l10n_util::GetFirstStrongCharacterDirection(string));
-
-  // Test bidi string in which the first character with strong directionality
-  // is a character with type R.
-  string.assign(L"\x05d0 foo bar");
-  EXPECT_EQ(l10n_util::RIGHT_TO_LEFT,
-            l10n_util::GetFirstStrongCharacterDirection(string));
-
-  // Test bidi string which starts with a character with weak directionality
-  // and in which the first character with strong directionality is a character
-  // with type L.
-  string.assign(L"!foo \x05d0 bar");
-  EXPECT_EQ(l10n_util::LEFT_TO_RIGHT,
-            l10n_util::GetFirstStrongCharacterDirection(string));
-
-  // Test bidi string which starts with a character with weak directionality
-  // and in which the first character with strong directionality is a character
-  // with type R.
-  string.assign(L",\x05d0 foo bar");
-  EXPECT_EQ(l10n_util::RIGHT_TO_LEFT,
-            l10n_util::GetFirstStrongCharacterDirection(string));
-
-  // Test bidi string in which the first character with strong directionality
-  // is a character with type LRE.
-  string.assign(L"\x202a \x05d0 foo  bar");
-  EXPECT_EQ(l10n_util::LEFT_TO_RIGHT,
-            l10n_util::GetFirstStrongCharacterDirection(string));
-
-  // Test bidi string in which the first character with strong directionality
-  // is a character with type LRO.
-  string.assign(L"\x202d \x05d0 foo  bar");
-  EXPECT_EQ(l10n_util::LEFT_TO_RIGHT,
-            l10n_util::GetFirstStrongCharacterDirection(string));
-
-  // Test bidi string in which the first character with strong directionality
-  // is a character with type RLE.
-  string.assign(L"\x202b foo \x05d0 bar");
-  EXPECT_EQ(l10n_util::RIGHT_TO_LEFT,
-            l10n_util::GetFirstStrongCharacterDirection(string));
-
-  // Test bidi string in which the first character with strong directionality
-  // is a character with type RLO.
-  string.assign(L"\x202e foo \x05d0 bar");
-  EXPECT_EQ(l10n_util::RIGHT_TO_LEFT,
-            l10n_util::GetFirstStrongCharacterDirection(string));
-
-  // Test bidi string in which the first character with strong directionality
-  // is a character with type AL.
-  string.assign(L"\x0622 foo \x05d0 bar");
-  EXPECT_EQ(l10n_util::RIGHT_TO_LEFT,
-            l10n_util::GetFirstStrongCharacterDirection(string));
-
-  // Test a string without strong directionality characters.
-  string.assign(L",!.{}");
-  EXPECT_EQ(l10n_util::LEFT_TO_RIGHT,
-            l10n_util::GetFirstStrongCharacterDirection(string));
-
-  // Test empty string.
-  string.assign(L"");
-  EXPECT_EQ(l10n_util::LEFT_TO_RIGHT,
-            l10n_util::GetFirstStrongCharacterDirection(string));
-
-  // Test characters in non-BMP (e.g. Phoenician letters. Please refer to
-  // http://demo.icu-project.org/icu-bin/ubrowse?scr=151&b=10910 for more
-  // information).
-#if defined(WCHAR_T_IS_UTF32)
-  string.assign(L" ! \x10910" L"abc 123");
-#elif defined(WCHAR_T_IS_UTF16)
-  string.assign(L" ! \xd802\xdd10" L"abc 123");
-#else
-#error wchar_t should be either UTF-16 or UTF-32
-#endif
-  EXPECT_EQ(l10n_util::RIGHT_TO_LEFT,
-            l10n_util::GetFirstStrongCharacterDirection(string));
-
-#if defined(WCHAR_T_IS_UTF32)
-  string.assign(L" ! \x10401" L"abc 123");
-#elif defined(WCHAR_T_IS_UTF16)
-  string.assign(L" ! \xd801\xdc01" L"abc 123");
-#else
-#error wchar_t should be either UTF-16 or UTF-32
-#endif
-  EXPECT_EQ(l10n_util::LEFT_TO_RIGHT,
-            l10n_util::GetFirstStrongCharacterDirection(string));
-}
-
-typedef struct {
-  std::wstring path;
-  std::wstring wrapped_path;
-} PathAndWrappedPath;
-
-TEST_F(L10nUtilTest, WrapPathWithLTRFormatting) {
-  std::wstring kSeparator;
-  kSeparator.push_back(static_cast<wchar_t>(FilePath::kSeparators[0]));
-  const PathAndWrappedPath test_data[] = {
-    // Test common path, such as "c:\foo\bar".
-    { L"c:" + kSeparator + L"foo" + kSeparator + L"bar",
-      L"\x202a"L"c:" + kSeparator + L"foo" + kSeparator +
-      L"bar\x202c"
-    },
-    // Test path with file name, such as "c:\foo\bar\test.jpg".
-    { L"c:" + kSeparator + L"foo" + kSeparator + L"bar" + kSeparator +
-      L"test.jpg",
-      L"\x202a"L"c:" + kSeparator + L"foo" + kSeparator +
-      L"bar" + kSeparator + L"test.jpg\x202c"
-    },
-    // Test path ending with punctuation, such as "c:\(foo)\bar.".
-    { L"c:" + kSeparator + L"(foo)" + kSeparator + L"bar.",
-      L"\x202a"L"c:" + kSeparator + L"(foo)" + kSeparator +
-      L"bar.\x202c"
-    },
-    // Test path ending with separator, such as "c:\foo\bar\".
-    { L"c:" + kSeparator + L"foo" + kSeparator + L"bar" + kSeparator,
-      L"\x202a"L"c:" + kSeparator + L"foo" + kSeparator +
-      L"bar" + kSeparator + L"\x202c",
-    },
-    // Test path with RTL character.
-    { L"c:" + kSeparator + L"\x05d0",
-      L"\x202a"L"c:" + kSeparator + L"\x05d0\x202c",
-    },
-    // Test path with 2 level RTL directory names.
-    { L"c:" + kSeparator + L"\x05d0" + kSeparator + L"\x0622",
-      L"\x202a"L"c:" + kSeparator + L"\x05d0" + kSeparator +
-      L"\x0622\x202c",
-    },
-    // Test path with mixed RTL/LTR directory names and ending with punctuation.
-    { L"c:" + kSeparator + L"\x05d0" + kSeparator + L"\x0622" + kSeparator +
-      L"(foo)" + kSeparator + L"b.a.r.",
-      L"\x202a"L"c:" + kSeparator + L"\x05d0" + kSeparator +
-      L"\x0622" + kSeparator + L"(foo)" + kSeparator +
-      L"b.a.r.\x202c",
-    },
-    // Test path without driver name, such as "/foo/bar/test/jpg".
-    { kSeparator + L"foo" + kSeparator + L"bar" + kSeparator + L"test.jpg",
-      L"\x202a" + kSeparator + L"foo" + kSeparator + L"bar" +
-      kSeparator + L"test.jpg" + L"\x202c"
-    },
-    // Test path start with current directory, such as "./foo".
-    { L"." + kSeparator + L"foo",
-      L"\x202a"L"." + kSeparator + L"foo" + L"\x202c"
-    },
-    // Test path start with parent directory, such as "../foo/bar.jpg".
-    { L".." + kSeparator + L"foo" + kSeparator + L"bar.jpg",
-      L"\x202a"L".." + kSeparator + L"foo" + kSeparator +
-      L"bar.jpg" + L"\x202c"
-    },
-    // Test absolute path, such as "//foo/bar.jpg".
-    { kSeparator + kSeparator + L"foo" + kSeparator + L"bar.jpg",
-      L"\x202a" + kSeparator + kSeparator + L"foo" + kSeparator +
-      L"bar.jpg" + L"\x202c"
-    },
-    // Test path with mixed RTL/LTR directory names.
-    { L"c:" + kSeparator + L"foo" + kSeparator + L"\x05d0" + kSeparator +
-      L"\x0622" + kSeparator + L"\x05d1.jpg",
-      L"\x202a"L"c:" + kSeparator + L"foo" + kSeparator + L"\x05d0" +
-      kSeparator + L"\x0622" + kSeparator + L"\x05d1.jpg" + L"\x202c",
-    },
-    // Test empty path.
-    { L"",
-      L"\x202a\x202c"
-    }
-  };
-  for (unsigned int i = 0; i < arraysize(test_data); ++i) {
-    string16 localized_file_path_string;
-    FilePath path = FilePath::FromWStringHack(test_data[i].path);
-    l10n_util::WrapPathWithLTRFormatting(path, &localized_file_path_string);
-    std::wstring wrapped_path = UTF16ToWide(localized_file_path_string);
-    EXPECT_EQ(wrapped_path, test_data[i].wrapped_path);
-  }
-}
-
-TEST_F(L10nUtilTest, GetTextDirection) {
-  EXPECT_EQ(l10n_util::RIGHT_TO_LEFT, GetTextDirection("ar"));
-  EXPECT_EQ(l10n_util::RIGHT_TO_LEFT, GetTextDirection("ar_EG"));
-  EXPECT_EQ(l10n_util::RIGHT_TO_LEFT, GetTextDirection("he"));
-  EXPECT_EQ(l10n_util::RIGHT_TO_LEFT, GetTextDirection("he_IL"));
-  // iw is an obsolete code for Hebrew.
-  EXPECT_EQ(l10n_util::RIGHT_TO_LEFT, GetTextDirection("iw"));
-#if 0
-  // Enable these when we localize to Farsi, Urdu, Azerbaijani
-  // written in Arabic and Dhivehi. At the moment, our copy of
-  // ICU data does not have entry for them.
-  EXPECT_EQ(l10n_util::RIGHT_TO_LEFT, GetTextDirection("fa"));
-  EXPECT_EQ(l10n_util::RIGHT_TO_LEFT, GetTextDirection("ur"));
-  EXPECT_EQ(l10n_util::RIGHT_TO_LEFT, GetTextDirection("az_Arab"));
-  // Dhivehi that uses Thaana script.
-  EXPECT_EQ(l10n_util::RIGHT_TO_LEFT, GetTextDirection("dv"));
-#endif
-  EXPECT_EQ(l10n_util::LEFT_TO_RIGHT, GetTextDirection("en"));
-  // Chinese in China with '-'.
-  EXPECT_EQ(l10n_util::LEFT_TO_RIGHT, GetTextDirection("zh-CN"));
-  // Filipino : 3-letter code
-  EXPECT_EQ(l10n_util::LEFT_TO_RIGHT, GetTextDirection("fil"));
-  // Russian
-  EXPECT_EQ(l10n_util::LEFT_TO_RIGHT, GetTextDirection("ru"));
-  // Japanese that uses multiple scripts
-  EXPECT_EQ(l10n_util::LEFT_TO_RIGHT, GetTextDirection("ja"));
-}