Implement wide->UTF-8 string conversion more correctly
diff --git a/include/gtest/internal/gtest-port.h b/include/gtest/internal/gtest-port.h
index 8dbc2d0..5be0d53 100644
--- a/include/gtest/internal/gtest-port.h
+++ b/include/gtest/internal/gtest-port.h
@@ -225,6 +225,12 @@
#include <sys/mman.h>
#endif // GTEST_HAS_STD_STRING && defined(GTEST_OS_LINUX)
+// Determines whether the system compiler uses UTF-16 for encoding wide strings.
+#if defined(GTEST_OS_WINDOWS) || defined(GTEST_OS_CYGWIN) || \
+ defined(__SYMBIAN32__)
+#define GTEST_WIDE_STRING_USES_UTF16_ 1
+#endif
+
// Defines some utility macros.
// The GNU compiler emits a warning if nested "if" statements are followed by
diff --git a/src/gtest-internal-inl.h b/src/gtest-internal-inl.h
index 7757191..2633d69 100644
--- a/src/gtest-internal-inl.h
+++ b/src/gtest-internal-inl.h
@@ -133,8 +133,30 @@
internal::Int32 repeat_;
} GTEST_ATTRIBUTE_UNUSED;
-// Converts a Unicode code-point to its UTF-8 encoding.
-String ToUtf8String(wchar_t wchar);
+// Converts a Unicode code point to a narrow string in UTF-8 encoding.
+// code_point parameter is of type UInt32 because wchar_t may not be
+// wide enough to contain a code point.
+// The output buffer str must containt at least 32 characters.
+// The function returns the address of the output buffer.
+// If the code_point is not a valid Unicode code point
+// (i.e. outside of Unicode range U+0 to U+10FFFF) it will be output
+// as '(Invalid Unicode 0xXXXXXXXX)'.
+char* CodePointToUtf8(UInt32 code_point, char* str);
+
+// Converts a wide string to a narrow string in UTF-8 encoding.
+// The wide string is assumed to have the following encoding:
+// UTF-16 if sizeof(wchar_t) == 2 (on Windows, Cygwin, Symbian OS)
+// UTF-32 if sizeof(wchar_t) == 4 (on Linux)
+// Parameter str points to a null-terminated wide string.
+// Parameter num_chars may additionally limit the number
+// of wchar_t characters processed. -1 is used when the entire string
+// should be processed.
+// If the string contains code points that are not valid Unicode code points
+// (i.e. outside of Unicode range U+0 to U+10FFFF) they will be output
+// as '(Invalid Unicode 0xXXXXXXXX)'. If the string is in UTF16 encoding
+// and contains invalid UTF-16 surrogate pairs, values in those pairs
+// will be encoded as individual Unicode characters from Basic Normal Plane.
+String WideStringToUtf8(const wchar_t* str, int num_chars);
// Returns the number of active threads, or 0 when there is an error.
size_t GetThreadCount();
diff --git a/src/gtest.cc b/src/gtest.cc
index a0a0520..740eb74 100644
--- a/src/gtest.cc
+++ b/src/gtest.cc
@@ -784,16 +784,19 @@
// encoding, and streams the result to the given Message object.
static void StreamWideCharsToMessage(const wchar_t* wstr, size_t len,
Message* msg) {
- for (size_t i = 0; i != len; i++) {
- // TODO(wan): consider allowing a testing::String object to
- // contain '\0'. This will make it behave more like std::string,
- // and will allow ToUtf8String() to return the correct encoding
- // for '\0' s.t. we can get rid of the conditional here (and in
- // several other places).
- if (wstr[i]) {
- *msg << internal::ToUtf8String(wstr[i]);
+ // TODO(wan): consider allowing a testing::String object to
+ // contain '\0'. This will make it behave more like std::string,
+ // and will allow ToUtf8String() to return the correct encoding
+ // for '\0' s.t. we can get rid of the conditional here (and in
+ // several other places).
+ for (size_t i = 0; i != len; ) { // NOLINT
+ if (wstr[i] != L'\0') {
+ *msg << WideStringToUtf8(wstr + i, len - i);
+ while (i != len && wstr[i] != L'\0')
+ i++;
} else {
*msg << '\0';
+ i++;
}
}
}
@@ -852,8 +855,10 @@
Message msg;
// A String object cannot contain '\0', so we print "\\0" when wchar is
// L'\0'.
- msg << "L'" << (wchar ? ToUtf8String(wchar).c_str() : "\\0") << "' ("
- << wchar_as_uint64 << ", 0x" << ::std::setbase(16)
+ char buffer[32]; // CodePointToUtf8 requires a buffer that big.
+ msg << "L'"
+ << (wchar ? CodePointToUtf8(static_cast<UInt32>(wchar), buffer) : "\\0")
+ << "' (" << wchar_as_uint64 << ", 0x" << ::std::setbase(16)
<< wchar_as_uint64 << ")";
return msg.GetString();
}
@@ -1317,31 +1322,118 @@
return low_bits;
}
-// Converts a Unicode code-point to its UTF-8 encoding.
-String ToUtf8String(wchar_t wchar) {
- char str[5] = {}; // Initializes str to all '\0' characters.
-
- UInt32 code = static_cast<UInt32>(wchar);
- if (code <= kMaxCodePoint1) {
- str[0] = static_cast<char>(code); // 0xxxxxxx
- } else if (code <= kMaxCodePoint2) {
- str[1] = static_cast<char>(0x80 | ChopLowBits(&code, 6)); // 10xxxxxx
- str[0] = static_cast<char>(0xC0 | code); // 110xxxxx
- } else if (code <= kMaxCodePoint3) {
- str[2] = static_cast<char>(0x80 | ChopLowBits(&code, 6)); // 10xxxxxx
- str[1] = static_cast<char>(0x80 | ChopLowBits(&code, 6)); // 10xxxxxx
- str[0] = static_cast<char>(0xE0 | code); // 1110xxxx
- } else if (code <= kMaxCodePoint4) {
- str[3] = static_cast<char>(0x80 | ChopLowBits(&code, 6)); // 10xxxxxx
- str[2] = static_cast<char>(0x80 | ChopLowBits(&code, 6)); // 10xxxxxx
- str[1] = static_cast<char>(0x80 | ChopLowBits(&code, 6)); // 10xxxxxx
- str[0] = static_cast<char>(0xF0 | code); // 11110xxx
+// Converts a Unicode code point to a narrow string in UTF-8 encoding.
+// code_point parameter is of type UInt32 because wchar_t may not be
+// wide enough to contain a code point.
+// The output buffer str must containt at least 32 characters.
+// The function returns the address of the output buffer.
+// If the code_point is not a valid Unicode code point
+// (i.e. outside of Unicode range U+0 to U+10FFFF) it will be output
+// as '(Invalid Unicode 0xXXXXXXXX)'.
+char* CodePointToUtf8(UInt32 code_point, char* str) {
+ if (code_point <= kMaxCodePoint1) {
+ str[1] = '\0';
+ str[0] = static_cast<char>(code_point); // 0xxxxxxx
+ } else if (code_point <= kMaxCodePoint2) {
+ str[2] = '\0';
+ str[1] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
+ str[0] = static_cast<char>(0xC0 | code_point); // 110xxxxx
+ } else if (code_point <= kMaxCodePoint3) {
+ str[3] = '\0';
+ str[2] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
+ str[1] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
+ str[0] = static_cast<char>(0xE0 | code_point); // 1110xxxx
+ } else if (code_point <= kMaxCodePoint4) {
+ str[4] = '\0';
+ str[3] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
+ str[2] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
+ str[1] = static_cast<char>(0x80 | ChopLowBits(&code_point, 6)); // 10xxxxxx
+ str[0] = static_cast<char>(0xF0 | code_point); // 11110xxx
} else {
- return String::Format("(Invalid Unicode 0x%llX)",
- static_cast<UInt64>(wchar));
+ // The longest string String::Format can produce when invoked
+ // with these parameters is 28 character long (not including
+ // the terminating nul character). We are asking for 32 character
+ // buffer just in case. This is also enough for strncpy to
+ // null-terminate the destination string.
+ // MSVC 8 deprecates strncpy(), so we want to suppress warning
+ // 4996 (deprecated function) there.
+#ifdef GTEST_OS_WINDOWS // We are on Windows.
+#pragma warning(push) // Saves the current warning state.
+#pragma warning(disable:4996) // Temporarily disables warning 4996.
+#endif
+ strncpy(str, String::Format("(Invalid Unicode 0x%X)", code_point).c_str(),
+ 32);
+#ifdef GTEST_OS_WINDOWS // We are on Windows.
+#pragma warning(pop) // Restores the warning state.
+#endif
+ str[31] = '\0'; // Makes sure no change in the format to strncpy leaves
+ // the result unterminated.
}
+ return str;
+}
- return String(str);
+// The following two functions only make sense if the the system
+// uses UTF-16 for wide string encoding. All supported systems
+// with 16 bit wchar_t (Windows, Cygwin, Symbian OS) do use UTF-16.
+
+// Determines if the arguments constitute UTF-16 surrogate pair
+// and thus should be combined into a single Unicode code point
+// using CreateCodePointFromUtf16SurrogatePair.
+inline bool IsUtf16SurrogatePair(wchar_t first, wchar_t second) {
+ if (sizeof(wchar_t) == 2)
+ return (first & 0xFC00) == 0xD800 && (second & 0xFC00) == 0xDC00;
+ else
+ return false;
+}
+
+// Creates a Unicode code point from UTF16 surrogate pair.
+inline UInt32 CreateCodePointFromUtf16SurrogatePair(wchar_t first,
+ wchar_t second) {
+ if (sizeof(wchar_t) == 2) {
+ const UInt32 mask = (1 << 10) - 1;
+ return (((first & mask) << 10) | (second & mask)) + 0x10000;
+ } else {
+ // This should not be called, but we provide a sensible default
+ // in case it is.
+ return static_cast<UInt32>(first);
+ }
+}
+
+// Converts a wide string to a narrow string in UTF-8 encoding.
+// The wide string is assumed to have the following encoding:
+// UTF-16 if sizeof(wchar_t) == 2 (on Windows, Cygwin, Symbian OS)
+// UTF-32 if sizeof(wchar_t) == 4 (on Linux)
+// Parameter str points to a null-terminated wide string.
+// Parameter num_chars may additionally limit the number
+// of wchar_t characters processed. -1 is used when the entire string
+// should be processed.
+// If the string contains code points that are not valid Unicode code points
+// (i.e. outside of Unicode range U+0 to U+10FFFF) they will be output
+// as '(Invalid Unicode 0xXXXXXXXX)'. If the string is in UTF16 encoding
+// and contains invalid UTF-16 surrogate pairs, values in those pairs
+// will be encoded as individual Unicode characters from Basic Normal Plane.
+String WideStringToUtf8(const wchar_t* str, int num_chars) {
+ if (num_chars == -1)
+ num_chars = wcslen(str);
+
+ StrStream stream;
+ for (int i = 0; i < num_chars; ++i) {
+ UInt32 unicode_code_point;
+
+ if (str[i] == L'\0') {
+ break;
+ } else if (i + 1 < num_chars && IsUtf16SurrogatePair(str[i], str[i + 1])) {
+ unicode_code_point = CreateCodePointFromUtf16SurrogatePair(str[i],
+ str[i + 1]);
+ i++;
+ } else {
+ unicode_code_point = static_cast<UInt32>(str[i]);
+ }
+
+ char buffer[32]; // CodePointToUtf8 requires a buffer this big.
+ stream << CodePointToUtf8(unicode_code_point, buffer);
+ }
+ return StrStreamToString(&stream);
}
// Converts a wide C string to a String using the UTF-8 encoding.
@@ -1349,12 +1441,7 @@
String String::ShowWideCString(const wchar_t * wide_c_str) {
if (wide_c_str == NULL) return String("(null)");
- StrStream ss;
- while (*wide_c_str) {
- ss << internal::ToUtf8String(*wide_c_str++);
- }
-
- return internal::StrStreamToString(&ss);
+ return String(internal::WideStringToUtf8(wide_c_str, -1).c_str());
}
// Similar to ShowWideCString(), except that this function encloses
diff --git a/test/gtest_unittest.cc b/test/gtest_unittest.cc
index 9f1cbe9..eecaf4e 100644
--- a/test/gtest_unittest.cc
+++ b/test/gtest_unittest.cc
@@ -101,6 +101,7 @@
using testing::TPRT_SUCCESS;
using testing::UnitTest;
using testing::internal::AppendUserMessage;
+using testing::internal::CodePointToUtf8;
using testing::internal::EqFailure;
using testing::internal::FloatingPoint;
using testing::internal::GTestFlagSaver;
@@ -111,8 +112,8 @@
using testing::internal::String;
using testing::internal::TestProperty;
using testing::internal::TestResult;
-using testing::internal::ToUtf8String;
using testing::internal::UnitTestImpl;
+using testing::internal::WideStringToUtf8;
// This line tests that we can define tests in an unnamed namespace.
namespace {
@@ -142,65 +143,184 @@
}
#endif // __SYMBIAN32__
-// Tests ToUtf8String().
+//
+// Tests CodePointToUtf8().
// Tests that the NUL character L'\0' is encoded correctly.
-TEST(ToUtf8StringTest, CanEncodeNul) {
- EXPECT_STREQ("", ToUtf8String(L'\0').c_str());
+TEST(CodePointToUtf8Test, CanEncodeNul) {
+ char buffer[32];
+ EXPECT_STREQ("", CodePointToUtf8(L'\0', buffer));
}
// Tests that ASCII characters are encoded correctly.
-TEST(ToUtf8StringTest, CanEncodeAscii) {
- EXPECT_STREQ("a", ToUtf8String(L'a').c_str());
- EXPECT_STREQ("Z", ToUtf8String(L'Z').c_str());
- EXPECT_STREQ("&", ToUtf8String(L'&').c_str());
- EXPECT_STREQ("\x7F", ToUtf8String(L'\x7F').c_str());
+TEST(CodePointToUtf8Test, CanEncodeAscii) {
+ char buffer[32];
+ EXPECT_STREQ("a", CodePointToUtf8(L'a', buffer));
+ EXPECT_STREQ("Z", CodePointToUtf8(L'Z', buffer));
+ EXPECT_STREQ("&", CodePointToUtf8(L'&', buffer));
+ EXPECT_STREQ("\x7F", CodePointToUtf8(L'\x7F', buffer));
}
// Tests that Unicode code-points that have 8 to 11 bits are encoded
// as 110xxxxx 10xxxxxx.
-TEST(ToUtf8StringTest, CanEncode8To11Bits) {
+TEST(CodePointToUtf8Test, CanEncode8To11Bits) {
+ char buffer[32];
// 000 1101 0011 => 110-00011 10-010011
- EXPECT_STREQ("\xC3\x93", ToUtf8String(L'\xD3').c_str());
+ EXPECT_STREQ("\xC3\x93", CodePointToUtf8(L'\xD3', buffer));
// 101 0111 0110 => 110-10101 10-110110
- EXPECT_STREQ("\xD5\xB6", ToUtf8String(L'\x576').c_str());
+ EXPECT_STREQ("\xD5\xB6", CodePointToUtf8(L'\x576', buffer));
}
// Tests that Unicode code-points that have 12 to 16 bits are encoded
// as 1110xxxx 10xxxxxx 10xxxxxx.
-TEST(ToUtf8StringTest, CanEncode12To16Bits) {
+TEST(CodePointToUtf8Test, CanEncode12To16Bits) {
+ char buffer[32];
// 0000 1000 1101 0011 => 1110-0000 10-100011 10-010011
- EXPECT_STREQ("\xE0\xA3\x93", ToUtf8String(L'\x8D3').c_str());
+ EXPECT_STREQ("\xE0\xA3\x93", CodePointToUtf8(L'\x8D3', buffer));
// 1100 0111 0100 1101 => 1110-1100 10-011101 10-001101
- EXPECT_STREQ("\xEC\x9D\x8D", ToUtf8String(L'\xC74D').c_str());
+ EXPECT_STREQ("\xEC\x9D\x8D", CodePointToUtf8(L'\xC74D', buffer));
}
-#if !defined(GTEST_OS_WINDOWS) && !defined(GTEST_OS_CYGWIN) && \
- !defined(__SYMBIAN32__)
-
+#ifndef GTEST_WIDE_STRING_USES_UTF16_
// Tests in this group require a wchar_t to hold > 16 bits, and thus
// are skipped on Windows, Cygwin, and Symbian, where a wchar_t is
-// 16-bit wide.
+// 16-bit wide. This code may not compile on those systems.
// Tests that Unicode code-points that have 17 to 21 bits are encoded
// as 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx.
-TEST(ToUtf8StringTest, CanEncode17To21Bits) {
+TEST(CodePointToUtf8Test, CanEncode17To21Bits) {
+ char buffer[32];
// 0 0001 0000 1000 1101 0011 => 11110-000 10-010000 10-100011 10-010011
- EXPECT_STREQ("\xF0\x90\xA3\x93", ToUtf8String(L'\x108D3').c_str());
+ EXPECT_STREQ("\xF0\x90\xA3\x93", CodePointToUtf8(L'\x108D3', buffer));
- // 1 0111 1000 0110 0011 0100 => 11110-101 10-111000 10-011000 10-110100
- EXPECT_STREQ("\xF5\xB8\x98\xB4", ToUtf8String(L'\x178634').c_str());
+ // 0 0001 0000 0100 0000 0000 => 11110-000 10-010000 10-010000 10-000000
+ EXPECT_STREQ("\xF0\x90\x90\x80", CodePointToUtf8(L'\x10400', buffer));
+
+ // 1 0000 1000 0110 0011 0100 => 11110-100 10-001000 10-011000 10-110100
+ EXPECT_STREQ("\xF4\x88\x98\xB4", CodePointToUtf8(L'\x108634', buffer));
}
// Tests that encoding an invalid code-point generates the expected result.
-TEST(ToUtf8StringTest, CanEncodeInvalidCodePoint) {
+TEST(CodePointToUtf8Test, CanEncodeInvalidCodePoint) {
+ char buffer[32];
EXPECT_STREQ("(Invalid Unicode 0x1234ABCD)",
- ToUtf8String(L'\x1234ABCD').c_str());
+ CodePointToUtf8(L'\x1234ABCD', buffer));
}
-#endif // Windows, Cygwin, or Symbian
+#endif // GTEST_WIDE_STRING_USES_UTF16_
+
+// Tests WideStringToUtf8().
+
+// Tests that the NUL character L'\0' is encoded correctly.
+TEST(WideStringToUtf8Test, CanEncodeNul) {
+ EXPECT_STREQ("", WideStringToUtf8(L"", 0).c_str());
+ EXPECT_STREQ("", WideStringToUtf8(L"", -1).c_str());
+}
+
+// Tests that ASCII strings are encoded correctly.
+TEST(WideStringToUtf8Test, CanEncodeAscii) {
+ EXPECT_STREQ("a", WideStringToUtf8(L"a", 1).c_str());
+ EXPECT_STREQ("ab", WideStringToUtf8(L"ab", 2).c_str());
+ EXPECT_STREQ("a", WideStringToUtf8(L"a", -1).c_str());
+ EXPECT_STREQ("ab", WideStringToUtf8(L"ab", -1).c_str());
+}
+
+// Tests that Unicode code-points that have 8 to 11 bits are encoded
+// as 110xxxxx 10xxxxxx.
+TEST(WideStringToUtf8Test, CanEncode8To11Bits) {
+ // 000 1101 0011 => 110-00011 10-010011
+ EXPECT_STREQ("\xC3\x93", WideStringToUtf8(L"\xD3", 1).c_str());
+ EXPECT_STREQ("\xC3\x93", WideStringToUtf8(L"\xD3", -1).c_str());
+
+ // 101 0111 0110 => 110-10101 10-110110
+ EXPECT_STREQ("\xD5\xB6", WideStringToUtf8(L"\x576", 1).c_str());
+ EXPECT_STREQ("\xD5\xB6", WideStringToUtf8(L"\x576", -1).c_str());
+}
+
+// Tests that Unicode code-points that have 12 to 16 bits are encoded
+// as 1110xxxx 10xxxxxx 10xxxxxx.
+TEST(WideStringToUtf8Test, CanEncode12To16Bits) {
+ // 0000 1000 1101 0011 => 1110-0000 10-100011 10-010011
+ EXPECT_STREQ("\xE0\xA3\x93", WideStringToUtf8(L"\x8D3", 1).c_str());
+ EXPECT_STREQ("\xE0\xA3\x93", WideStringToUtf8(L"\x8D3", -1).c_str());
+
+ // 1100 0111 0100 1101 => 1110-1100 10-011101 10-001101
+ EXPECT_STREQ("\xEC\x9D\x8D", WideStringToUtf8(L"\xC74D", 1).c_str());
+ EXPECT_STREQ("\xEC\x9D\x8D", WideStringToUtf8(L"\xC74D", -1).c_str());
+}
+
+// Tests that the conversion stops when the function encounters \0 character.
+TEST(WideStringToUtf8Test, StopsOnNulCharacter) {
+ EXPECT_STREQ("ABC", WideStringToUtf8(L"ABC\0XYZ", 100).c_str());
+}
+
+// Tests that the conversion stops when the function reaches the limit
+// specified by the 'length' parameter.
+TEST(WideStringToUtf8Test, StopsWhenLengthLimitReached) {
+ EXPECT_STREQ("ABC", WideStringToUtf8(L"ABCDEF", 3).c_str());
+}
+
+
+#ifndef GTEST_WIDE_STRING_USES_UTF16_
+// Tests that Unicode code-points that have 17 to 21 bits are encoded
+// as 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx. This code may not compile
+// on the systems using UTF-16 encoding.
+TEST(WideStringToUtf8Test, CanEncode17To21Bits) {
+ // 0 0001 0000 1000 1101 0011 => 11110-000 10-010000 10-100011 10-010011
+ EXPECT_STREQ("\xF0\x90\xA3\x93", WideStringToUtf8(L"\x108D3", 1).c_str());
+ EXPECT_STREQ("\xF0\x90\xA3\x93", WideStringToUtf8(L"\x108D3", -1).c_str());
+
+ // 1 0000 1000 0110 0011 0100 => 11110-100 10-001000 10-011000 10-110100
+ EXPECT_STREQ("\xF4\x88\x98\xB4", WideStringToUtf8(L"\x108634", 1).c_str());
+ EXPECT_STREQ("\xF4\x88\x98\xB4", WideStringToUtf8(L"\x108634", -1).c_str());
+}
+
+// Tests that encoding an invalid code-point generates the expected result.
+TEST(WideStringToUtf8Test, CanEncodeInvalidCodePoint) {
+ EXPECT_STREQ("(Invalid Unicode 0xABCDFF)",
+ WideStringToUtf8(L"\xABCDFF", -1).c_str());
+}
+#else
+// Tests that surrogate pairs are encoded correctly on the systems using
+// UTF-16 encoding in the wide strings.
+TEST(WideStringToUtf8Test, CanEncodeValidUtf16SUrrogatePairs) {
+ EXPECT_STREQ("\xF0\x90\x90\x80",
+ WideStringToUtf8(L"\xD801\xDC00", -1).c_str());
+}
+
+// Tests that encoding an invalid UTF-16 surrogate pair
+// generates the expected result.
+TEST(WideStringToUtf8Test, CanEncodeInvalidUtf16SurrogatePair) {
+ // Leading surrogate is at the end of the string.
+ EXPECT_STREQ("\xED\xA0\x80", WideStringToUtf8(L"\xD800", -1).c_str());
+ // Leading surrogate is not followed by the trailing surrogate.
+ EXPECT_STREQ("\xED\xA0\x80$", WideStringToUtf8(L"\xD800$", -1).c_str());
+ // Trailing surrogate appearas without a leading surrogate.
+ EXPECT_STREQ("\xED\xB0\x80PQR", WideStringToUtf8(L"\xDC00PQR", -1).c_str());
+}
+#endif // GTEST_WIDE_STRING_USES_UTF16_
+
+// Tests that codepoint concatenation works correctly.
+#ifndef GTEST_WIDE_STRING_USES_UTF16_
+TEST(WideStringToUtf8Test, ConcatenatesCodepointsCorrectly) {
+ EXPECT_STREQ(
+ "\xF4\x88\x98\xB4"
+ "\xEC\x9D\x8D"
+ "\n"
+ "\xD5\xB6"
+ "\xE0\xA3\x93"
+ "\xF4\x88\x98\xB4",
+ WideStringToUtf8(L"\x108634\xC74D\n\x576\x8D3\x108634", -1).c_str());
+}
+#else
+TEST(WideStringToUtf8Test, ConcatenatesCodepointsCorrectly) {
+ EXPECT_STREQ(
+ "\xEC\x9D\x8D" "\n" "\xD5\xB6" "\xE0\xA3\x93",
+ WideStringToUtf8(L"\xC74D\n\x576\x8D3", -1).c_str());
+}
+#endif // GTEST_WIDE_STRING_USES_UTF16_
// Tests the List template class.