You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
212 lines
7.1 KiB
212 lines
7.1 KiB
// Copyright (c) 2010 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 <stddef.h>
|
|
|
|
#include "base/logging.h"
|
|
#include "base/macros.h"
|
|
#include "base/strings/string_piece.h"
|
|
#include "base/strings/string_util.h"
|
|
#include "base/strings/utf_string_conversions.h"
|
|
#include "build/build_config.h"
|
|
#include "testing/gtest/include/gtest/gtest.h"
|
|
|
|
namespace base {
|
|
|
|
namespace {
|
|
|
|
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
|
|
};
|
|
|
|
} // namespace
|
|
|
|
TEST(UTFStringConversionsTest, ConvertUTF8AndWide) {
|
|
// we round-trip all the wide strings through UTF-8 to make sure everything
|
|
// agrees on the conversion. This uses the stream operators to test them
|
|
// simultaneously.
|
|
for (size_t i = 0; i < arraysize(kConvertRoundtripCases); ++i) {
|
|
std::ostringstream utf8;
|
|
utf8 << WideToUTF8(kConvertRoundtripCases[i]);
|
|
std::wostringstream wide;
|
|
wide << UTF8ToWide(utf8.str());
|
|
|
|
EXPECT_EQ(kConvertRoundtripCases[i], wide.str());
|
|
}
|
|
}
|
|
|
|
TEST(UTFStringConversionsTest, ConvertUTF8AndWideEmptyString) {
|
|
// An empty std::wstring should be converted to an empty std::string,
|
|
// and vice versa.
|
|
std::wstring wempty;
|
|
std::string empty;
|
|
EXPECT_EQ(empty, WideToUTF8(wempty));
|
|
EXPECT_EQ(wempty, UTF8ToWide(empty));
|
|
}
|
|
|
|
TEST(UTFStringConversionsTest, ConvertUTF8ToWide) {
|
|
struct UTF8ToWideCase {
|
|
const char* utf8;
|
|
const wchar_t* wide;
|
|
bool success;
|
|
} convert_cases[] = {
|
|
// Regular UTF-8 input.
|
|
{"\xe4\xbd\xa0\xe5\xa5\xbd", L"\x4f60\x597d", true},
|
|
// Non-character is passed through.
|
|
{"\xef\xbf\xbfHello", L"\xffffHello", true},
|
|
// Truncated UTF-8 sequence.
|
|
{"\xe4\xa0\xe5\xa5\xbd", L"\xfffd\x597d", false},
|
|
// Truncated off the end.
|
|
{"\xe5\xa5\xbd\xe4\xa0", L"\x597d\xfffd", false},
|
|
// Non-shortest-form UTF-8.
|
|
{"\xf0\x84\xbd\xa0\xe5\xa5\xbd", L"\xfffd\xfffd\xfffd\xfffd\x597d", false},
|
|
// This UTF-8 character decodes to a UTF-16 surrogate, which is illegal.
|
|
{"\xed\xb0\x80", L"\xfffd\xfffd\xfffd", false},
|
|
// Non-BMP characters. The second is a non-character regarded as valid.
|
|
// The result will either be in UTF-16 or UTF-32.
|
|
#if defined(WCHAR_T_IS_UTF16)
|
|
{"A\xF0\x90\x8C\x80z", L"A\xd800\xdf00z", true},
|
|
{"A\xF4\x8F\xBF\xBEz", L"A\xdbff\xdffez", true},
|
|
#elif defined(WCHAR_T_IS_UTF32)
|
|
{"A\xF0\x90\x8C\x80z", L"A\x10300z", true},
|
|
{"A\xF4\x8F\xBF\xBEz", L"A\x10fffez", true},
|
|
#endif
|
|
};
|
|
|
|
for (size_t i = 0; i < arraysize(convert_cases); i++) {
|
|
std::wstring converted;
|
|
EXPECT_EQ(convert_cases[i].success,
|
|
UTF8ToWide(convert_cases[i].utf8,
|
|
strlen(convert_cases[i].utf8),
|
|
&converted));
|
|
std::wstring expected(convert_cases[i].wide);
|
|
EXPECT_EQ(expected, converted);
|
|
}
|
|
|
|
// Manually test an embedded NULL.
|
|
std::wstring converted;
|
|
EXPECT_TRUE(UTF8ToWide("\00Z\t", 3, &converted));
|
|
ASSERT_EQ(3U, converted.length());
|
|
EXPECT_EQ(static_cast<wchar_t>(0), converted[0]);
|
|
EXPECT_EQ('Z', converted[1]);
|
|
EXPECT_EQ('\t', converted[2]);
|
|
|
|
// Make sure that conversion replaces, not appends.
|
|
EXPECT_TRUE(UTF8ToWide("B", 1, &converted));
|
|
ASSERT_EQ(1U, converted.length());
|
|
EXPECT_EQ('B', converted[0]);
|
|
}
|
|
|
|
#if defined(WCHAR_T_IS_UTF16)
|
|
// This test is only valid when wchar_t == UTF-16.
|
|
TEST(UTFStringConversionsTest, ConvertUTF16ToUTF8) {
|
|
struct WideToUTF8Case {
|
|
const wchar_t* utf16;
|
|
const char* utf8;
|
|
bool success;
|
|
} convert_cases[] = {
|
|
// Regular UTF-16 input.
|
|
{L"\x4f60\x597d", "\xe4\xbd\xa0\xe5\xa5\xbd", true},
|
|
// Test a non-BMP character.
|
|
{L"\xd800\xdf00", "\xF0\x90\x8C\x80", true},
|
|
// Non-characters are passed through.
|
|
{L"\xffffHello", "\xEF\xBF\xBFHello", true},
|
|
{L"\xdbff\xdffeHello", "\xF4\x8F\xBF\xBEHello", true},
|
|
// The first character is a truncated UTF-16 character.
|
|
{L"\xd800\x597d", "\xef\xbf\xbd\xe5\xa5\xbd", false},
|
|
// Truncated at the end.
|
|
{L"\x597d\xd800", "\xe5\xa5\xbd\xef\xbf\xbd", false},
|
|
};
|
|
|
|
for (const auto& test : convert_cases) {
|
|
std::string converted;
|
|
EXPECT_EQ(test.success,
|
|
WideToUTF8(test.utf16, wcslen(test.utf16), &converted));
|
|
std::string expected(test.utf8);
|
|
EXPECT_EQ(expected, converted);
|
|
}
|
|
}
|
|
|
|
#elif defined(WCHAR_T_IS_UTF32)
|
|
// This test is only valid when wchar_t == UTF-32.
|
|
TEST(UTFStringConversionsTest, ConvertUTF32ToUTF8) {
|
|
struct WideToUTF8Case {
|
|
const wchar_t* utf32;
|
|
const char* utf8;
|
|
bool success;
|
|
} convert_cases[] = {
|
|
// Regular 16-bit input.
|
|
{L"\x4f60\x597d", "\xe4\xbd\xa0\xe5\xa5\xbd", true},
|
|
// Test a non-BMP character.
|
|
{L"A\x10300z", "A\xF0\x90\x8C\x80z", true},
|
|
// Non-characters are passed through.
|
|
{L"\xffffHello", "\xEF\xBF\xBFHello", true},
|
|
{L"\x10fffeHello", "\xF4\x8F\xBF\xBEHello", true},
|
|
// Invalid Unicode code points.
|
|
{L"\xfffffffHello", "\xEF\xBF\xBDHello", false},
|
|
// The first character is a truncated UTF-16 character.
|
|
{L"\xd800\x597d", "\xef\xbf\xbd\xe5\xa5\xbd", false},
|
|
{L"\xdc01Hello", "\xef\xbf\xbdHello", false},
|
|
};
|
|
|
|
for (const auto& test : convert_cases) {
|
|
std::string converted;
|
|
EXPECT_EQ(test.success,
|
|
WideToUTF8(test.utf32, wcslen(test.utf32), &converted));
|
|
std::string expected(test.utf8);
|
|
EXPECT_EQ(expected, converted);
|
|
}
|
|
}
|
|
#endif // defined(WCHAR_T_IS_UTF32)
|
|
|
|
TEST(UTFStringConversionsTest, ConvertMultiString) {
|
|
static char16 multi16[] = {
|
|
'f', 'o', 'o', '\0',
|
|
'b', 'a', 'r', '\0',
|
|
'b', 'a', 'z', '\0',
|
|
'\0'
|
|
};
|
|
static char multi[] = {
|
|
'f', 'o', 'o', '\0',
|
|
'b', 'a', 'r', '\0',
|
|
'b', 'a', 'z', '\0',
|
|
'\0'
|
|
};
|
|
string16 multistring16;
|
|
memcpy(WriteInto(&multistring16, arraysize(multi16)), multi16,
|
|
sizeof(multi16));
|
|
EXPECT_EQ(arraysize(multi16) - 1, multistring16.length());
|
|
std::string expected;
|
|
memcpy(WriteInto(&expected, arraysize(multi)), multi, sizeof(multi));
|
|
EXPECT_EQ(arraysize(multi) - 1, expected.length());
|
|
const std::string& converted = UTF16ToUTF8(multistring16);
|
|
EXPECT_EQ(arraysize(multi) - 1, converted.length());
|
|
EXPECT_EQ(expected, converted);
|
|
}
|
|
|
|
} // namespace base
|