зеркало из https://github.com/mozilla/gecko-dev.git
69 строки
2.2 KiB
C++
69 строки
2.2 KiB
C++
// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/string_piece.h"
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#include "base/sys_string_conversions.h"
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#include "testing/gtest/include/gtest/gtest.h"
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#ifdef WCHAR_T_IS_UTF32
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static const std::wstring kSysWideOldItalicLetterA = L"\x10300";
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#else
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static const std::wstring kSysWideOldItalicLetterA = L"\xd800\xdf00";
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#endif
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TEST(SysStrings, SysWideToUTF8) {
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using base::SysWideToUTF8;
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EXPECT_EQ("Hello, world", SysWideToUTF8(L"Hello, world"));
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EXPECT_EQ("\xe4\xbd\xa0\xe5\xa5\xbd", SysWideToUTF8(L"\x4f60\x597d"));
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// >16 bits
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EXPECT_EQ("\xF0\x90\x8C\x80", SysWideToUTF8(kSysWideOldItalicLetterA));
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// Error case. When Windows finds a UTF-16 character going off the end of
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// a string, it just converts that literal value to UTF-8, even though this
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// is invalid.
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//
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// This is what XP does, but Vista has different behavior, so we don't bother
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// verifying it:
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//EXPECT_EQ("\xE4\xBD\xA0\xED\xA0\x80zyxw",
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// SysWideToUTF8(L"\x4f60\xd800zyxw"));
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// Test embedded NULLs.
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std::wstring wide_null(L"a");
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wide_null.push_back(0);
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wide_null.push_back('b');
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std::string expected_null("a");
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expected_null.push_back(0);
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expected_null.push_back('b');
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EXPECT_EQ(expected_null, SysWideToUTF8(wide_null));
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}
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TEST(SysStrings, SysUTF8ToWide) {
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using base::SysUTF8ToWide;
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EXPECT_EQ(L"Hello, world", SysUTF8ToWide("Hello, world"));
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EXPECT_EQ(L"\x4f60\x597d", SysUTF8ToWide("\xe4\xbd\xa0\xe5\xa5\xbd"));
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// >16 bits
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EXPECT_EQ(kSysWideOldItalicLetterA, SysUTF8ToWide("\xF0\x90\x8C\x80"));
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// Error case. When Windows finds an invalid UTF-8 character, it just skips
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// it. This seems weird because it's inconsistent with the reverse conversion.
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//
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// This is what XP does, but Vista has different behavior, so we don't bother
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// verifying it:
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//EXPECT_EQ(L"\x4f60zyxw", SysUTF8ToWide("\xe4\xbd\xa0\xe5\xa5zyxw"));
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// Test embedded NULLs.
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std::string utf8_null("a");
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utf8_null.push_back(0);
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utf8_null.push_back('b');
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std::wstring expected_null(L"a");
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expected_null.push_back(0);
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expected_null.push_back('b');
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EXPECT_EQ(expected_null, SysUTF8ToWide(utf8_null));
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}
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