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// 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 "base/string_piece.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));
}
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