Move sys_string_conversions to base/strings.

base/sys_string_conversions_unittest.cc

-// Copyright (c) 2011 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 <string>
-
-#include "base/basictypes.h"
-#include "base/string_piece.h"
-#include "base/test/scoped_locale.h"
-#include "base/utf_string_conversions.h"
-#include "base/sys_string_conversions.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-#ifdef WCHAR_T_IS_UTF32
-static const std::wstring kSysWideOldItalicLetterA = L"\x10300";
-#else
-static const std::wstring kSysWideOldItalicLetterA = L"\xd800\xdf00";
-#endif
-
-TEST(SysStrings, SysWideToUTF8) {
-  using base::SysWideToUTF8;
-  EXPECT_EQ("Hello, world", SysWideToUTF8(L"Hello, world"));
-  EXPECT_EQ("\xe4\xbd\xa0\xe5\xa5\xbd", SysWideToUTF8(L"\x4f60\x597d"));
-
-  // >16 bits
-  EXPECT_EQ("\xF0\x90\x8C\x80", SysWideToUTF8(kSysWideOldItalicLetterA));
-
-  // Error case. When Windows finds a UTF-16 character going off the end of
-  // a string, it just converts that literal value to UTF-8, even though this
-  // is invalid.
-  //
-  // This is what XP does, but Vista has different behavior, so we don't bother
-  // verifying it:
-  // EXPECT_EQ("\xE4\xBD\xA0\xED\xA0\x80zyxw",
-  //           SysWideToUTF8(L"\x4f60\xd800zyxw"));
-
-  // Test embedded NULLs.
-  std::wstring wide_null(L"a");
-  wide_null.push_back(0);
-  wide_null.push_back('b');
-
-  std::string expected_null("a");
-  expected_null.push_back(0);
-  expected_null.push_back('b');
-
-  EXPECT_EQ(expected_null, SysWideToUTF8(wide_null));
-}
-
-TEST(SysStrings, SysUTF8ToWide) {
-  using base::SysUTF8ToWide;
-  EXPECT_EQ(L"Hello, world", SysUTF8ToWide("Hello, world"));
-  EXPECT_EQ(L"\x4f60\x597d", SysUTF8ToWide("\xe4\xbd\xa0\xe5\xa5\xbd"));
-  // >16 bits
-  EXPECT_EQ(kSysWideOldItalicLetterA, SysUTF8ToWide("\xF0\x90\x8C\x80"));
-
-  // Error case. When Windows finds an invalid UTF-8 character, it just skips
-  // it. This seems weird because it's inconsistent with the reverse conversion.
-  //
-  // This is what XP does, but Vista has different behavior, so we don't bother
-  // verifying it:
-  // EXPECT_EQ(L"\x4f60zyxw", SysUTF8ToWide("\xe4\xbd\xa0\xe5\xa5zyxw"));
-
-  // Test embedded NULLs.
-  std::string utf8_null("a");
-  utf8_null.push_back(0);
-  utf8_null.push_back('b');
-
-  std::wstring expected_null(L"a");
-  expected_null.push_back(0);
-  expected_null.push_back('b');
-
-  EXPECT_EQ(expected_null, SysUTF8ToWide(utf8_null));
-}
-
-#if defined(OS_LINUX)  // Tests depend on setting a specific Linux locale.
-
-TEST(SysStrings, SysWideToNativeMB) {
-  using base::SysWideToNativeMB;
-  base::ScopedLocale locale("en_US.utf-8");
-  EXPECT_EQ("Hello, world", SysWideToNativeMB(L"Hello, world"));
-  EXPECT_EQ("\xe4\xbd\xa0\xe5\xa5\xbd", SysWideToNativeMB(L"\x4f60\x597d"));
-
-  // >16 bits
-  EXPECT_EQ("\xF0\x90\x8C\x80", SysWideToNativeMB(kSysWideOldItalicLetterA));
-
-  // Error case. When Windows finds a UTF-16 character going off the end of
-  // a string, it just converts that literal value to UTF-8, even though this
-  // is invalid.
-  //
-  // This is what XP does, but Vista has different behavior, so we don't bother
-  // verifying it:
-  // EXPECT_EQ("\xE4\xBD\xA0\xED\xA0\x80zyxw",
-  //           SysWideToNativeMB(L"\x4f60\xd800zyxw"));
-
-  // Test embedded NULLs.
-  std::wstring wide_null(L"a");
-  wide_null.push_back(0);
-  wide_null.push_back('b');
-
-  std::string expected_null("a");
-  expected_null.push_back(0);
-  expected_null.push_back('b');
-
-  EXPECT_EQ(expected_null, SysWideToNativeMB(wide_null));
-}
-
-// We assume the test is running in a UTF8 locale.
-TEST(SysStrings, SysNativeMBToWide) {
-  using base::SysNativeMBToWide;
-  base::ScopedLocale locale("en_US.utf-8");
-  EXPECT_EQ(L"Hello, world", SysNativeMBToWide("Hello, world"));
-  EXPECT_EQ(L"\x4f60\x597d", SysNativeMBToWide("\xe4\xbd\xa0\xe5\xa5\xbd"));
-  // >16 bits
-  EXPECT_EQ(kSysWideOldItalicLetterA, SysNativeMBToWide("\xF0\x90\x8C\x80"));
-
-  // Error case. When Windows finds an invalid UTF-8 character, it just skips
-  // it. This seems weird because it's inconsistent with the reverse conversion.
-  //
-  // This is what XP does, but Vista has different behavior, so we don't bother
-  // verifying it:
-  // EXPECT_EQ(L"\x4f60zyxw", SysNativeMBToWide("\xe4\xbd\xa0\xe5\xa5zyxw"));
-
-  // Test embedded NULLs.
-  std::string utf8_null("a");
-  utf8_null.push_back(0);
-  utf8_null.push_back('b');
-
-  std::wstring expected_null(L"a");
-  expected_null.push_back(0);
-  expected_null.push_back('b');
-
-  EXPECT_EQ(expected_null, SysNativeMBToWide(utf8_null));
-}
-
-static const wchar_t* const kConvertRoundtripCases[] = {
-  L"Google Video",
-  // "网页 图片 资讯更多 »"
-  L"\x7f51\x9875\x0020\x56fe\x7247\x0020\x8d44\x8baf\x66f4\x591a\x0020\x00bb",
-  //  "Παγκόσμιος Ιστός"
-  L"\x03a0\x03b1\x03b3\x03ba\x03cc\x03c3\x03bc\x03b9"
-  L"\x03bf\x03c2\x0020\x0399\x03c3\x03c4\x03cc\x03c2",
-  // "Поиск страниц на русском"
-  L"\x041f\x043e\x0438\x0441\x043a\x0020\x0441\x0442"
-  L"\x0440\x0430\x043d\x0438\x0446\x0020\x043d\x0430"
-  L"\x0020\x0440\x0443\x0441\x0441\x043a\x043e\x043c",
-  // "전체서비스"
-  L"\xc804\xccb4\xc11c\xbe44\xc2a4",
-
-  // Test characters that take more than 16 bits. This will depend on whether
-  // wchar_t is 16 or 32 bits.
-#if defined(WCHAR_T_IS_UTF16)
-  L"\xd800\xdf00",
-  // ?????  (Mathematical Alphanumeric Symbols (U+011d40 - U+011d44 : A,B,C,D,E)
-  L"\xd807\xdd40\xd807\xdd41\xd807\xdd42\xd807\xdd43\xd807\xdd44",
-#elif defined(WCHAR_T_IS_UTF32)
-  L"\x10300",
-  // ?????  (Mathematical Alphanumeric Symbols (U+011d40 - U+011d44 : A,B,C,D,E)
-  L"\x11d40\x11d41\x11d42\x11d43\x11d44",
-#endif
-};
-
-
-TEST(SysStrings, SysNativeMBAndWide) {
-  base::ScopedLocale locale("en_US.utf-8");
-  for (size_t i = 0; i < arraysize(kConvertRoundtripCases); ++i) {
-    std::wstring wide = kConvertRoundtripCases[i];
-    std::wstring trip = base::SysNativeMBToWide(base::SysWideToNativeMB(wide));
-    EXPECT_EQ(wide.size(), trip.size());
-    EXPECT_EQ(wide, trip);
-  }
-
-  // We assume our test is running in UTF-8, so double check through ICU.
-  for (size_t i = 0; i < arraysize(kConvertRoundtripCases); ++i) {
-    std::wstring wide = kConvertRoundtripCases[i];
-    std::wstring trip = base::SysNativeMBToWide(WideToUTF8(wide));
-    EXPECT_EQ(wide.size(), trip.size());
-    EXPECT_EQ(wide, trip);
-  }
-
-  for (size_t i = 0; i < arraysize(kConvertRoundtripCases); ++i) {
-    std::wstring wide = kConvertRoundtripCases[i];
-    std::wstring trip = UTF8ToWide(base::SysWideToNativeMB(wide));
-    EXPECT_EQ(wide.size(), trip.size());
-    EXPECT_EQ(wide, trip);
-  }
-}
-#endif  // OS_LINUX