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- // 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 "butil/basictypes.h"
- #include "butil/strings/string_piece.h"
- #include "butil/strings/sys_string_conversions.h"
- #include "butil/strings/utf_string_conversions.h"
- #include "scoped_locale.h"
- #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
- namespace butil {
- TEST(SysStrings, 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) {
- 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));
- }
- // FIXME(gejun): Following cases fail due to failure of setlocale
- #if 0 //defined(OS_LINUX) // Tests depend on setting a specific Linux locale.
- TEST(SysStrings, SysWideToNativeMB) {
- 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) {
- 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) {
- ScopedLocale locale("en_US.utf-8");
- for (size_t i = 0; i < arraysize(kConvertRoundtripCases); ++i) {
- std::wstring wide = kConvertRoundtripCases[i];
- std::wstring trip = SysNativeMBToWide(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 = 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(SysWideToNativeMB(wide));
- EXPECT_EQ(wide.size(), trip.size());
- EXPECT_EQ(wide, trip);
- }
- }
- #endif // OS_LINUX
- } // namespace butil
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